src/lib/dom.generated.d.ts - main - githubmirror/TypeScript

src/lib/dom.generated.d.ts
45 109 строк2 MB
Jake Bailey
DOM update (#63183)
28 фев 2026, 03:56
28 фев 2026, 03:560c2c7a3
/// <reference lib="es2015" />
/// <reference lib="es2018.asynciterable" />

/////////////////////////////
/// Window APIs
/////////////////////////////

interface AacEncoderConfig {
    format?: AacBitstreamFormat;
}

interface AddEventListenerOptions extends EventListenerOptions {
    once?: boolean;
    passive?: boolean;
    signal?: AbortSignal;
}

interface AddressErrors {
    addressLine?: string;
    city?: string;
    country?: string;
    dependentLocality?: string;
    organization?: string;
    phone?: string;
    postalCode?: string;
    recipient?: string;
    region?: string;
    sortingCode?: string;
}

interface AesCbcParams extends Algorithm {
    iv: BufferSource;
}

interface AesCtrParams extends Algorithm {
    counter: BufferSource;
    length: number;
}

interface AesDerivedKeyParams extends Algorithm {
    length: number;
}

interface AesGcmParams extends Algorithm {
    additionalData?: BufferSource;
    iv: BufferSource;
    tagLength?: number;
}

interface AesKeyAlgorithm extends KeyAlgorithm {
    length: number;
}

interface AesKeyGenParams extends Algorithm {
    length: number;
}

interface Algorithm {
    name: string;
}

interface AllAcceptedCredentialsOptions {
    allAcceptedCredentialIds: Base64URLString[];
    rpId: string;
    userId: Base64URLString;
}

interface AnalyserOptions extends AudioNodeOptions {
    fftSize?: number;
    maxDecibels?: number;
    minDecibels?: number;
    smoothingTimeConstant?: number;
}

interface AnimationEventInit extends EventInit {
    animationName?: string;
    elapsedTime?: number;
    pseudoElement?: string;
}

interface AnimationPlaybackEventInit extends EventInit {
    currentTime?: CSSNumberish | null;
    timelineTime?: CSSNumberish | null;
}

interface AssignedNodesOptions {
    flatten?: boolean;
}

interface AudioBufferOptions {
    length: number;
    numberOfChannels?: number;
    sampleRate: number;
}

interface AudioBufferSourceOptions {
    buffer?: AudioBuffer | null;
    detune?: number;
    loop?: boolean;
    loopEnd?: number;
    loopStart?: number;
    playbackRate?: number;
}

interface AudioConfiguration {
    bitrate?: number;
    channels?: string;
    contentType: string;
    samplerate?: number;
    spatialRendering?: boolean;
}

interface AudioContextOptions {
    latencyHint?: AudioContextLatencyCategory | number;
    sampleRate?: number;
}

interface AudioDataCopyToOptions {
    format?: AudioSampleFormat;
    frameCount?: number;
    frameOffset?: number;
    planeIndex: number;
}

interface AudioDataInit {
    data: BufferSource;
    format: AudioSampleFormat;
    numberOfChannels: number;
    numberOfFrames: number;
    sampleRate: number;
    timestamp: number;
    transfer?: ArrayBuffer[];
}

interface AudioDecoderConfig {
    codec: string;
    description?: AllowSharedBufferSource;
    numberOfChannels: number;
    sampleRate: number;
}

interface AudioDecoderInit {
    error: WebCodecsErrorCallback;
    output: AudioDataOutputCallback;
}

interface AudioDecoderSupport {
    config?: AudioDecoderConfig;
    supported?: boolean;
}

interface AudioEncoderConfig {
    aac?: AacEncoderConfig;
    bitrate?: number;
    bitrateMode?: BitrateMode;
    codec: string;
    numberOfChannels: number;
    opus?: OpusEncoderConfig;
    sampleRate: number;
}

interface AudioEncoderInit {
    error: WebCodecsErrorCallback;
    output: EncodedAudioChunkOutputCallback;
}

interface AudioEncoderSupport {
    config?: AudioEncoderConfig;
    supported?: boolean;
}

interface AudioNodeOptions {
    channelCount?: number;
    channelCountMode?: ChannelCountMode;
    channelInterpretation?: ChannelInterpretation;
}

interface AudioProcessingEventInit extends EventInit {
    inputBuffer: AudioBuffer;
    outputBuffer: AudioBuffer;
    playbackTime: number;
}

interface AudioTimestamp {
    contextTime?: number;
    performanceTime?: DOMHighResTimeStamp;
}

interface AudioWorkletNodeOptions extends AudioNodeOptions {
    numberOfInputs?: number;
    numberOfOutputs?: number;
    outputChannelCount?: number[];
    parameterData?: Record<string, number>;
    processorOptions?: any;
}

interface AuthenticationExtensionsClientInputs {
    appid?: string;
    credProps?: boolean;
    credentialProtectionPolicy?: string;
    enforceCredentialProtectionPolicy?: boolean;
    hmacCreateSecret?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobInputs;
    minPinLength?: boolean;
    prf?: AuthenticationExtensionsPRFInputs;
}

interface AuthenticationExtensionsClientInputsJSON {
    appid?: string;
    credProps?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobInputsJSON;
    prf?: AuthenticationExtensionsPRFInputsJSON;
}

interface AuthenticationExtensionsClientOutputs {
    appid?: boolean;
    credProps?: CredentialPropertiesOutput;
    hmacCreateSecret?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobOutputs;
    prf?: AuthenticationExtensionsPRFOutputs;
}

interface AuthenticationExtensionsClientOutputsJSON {
    appid?: boolean;
    credProps?: CredentialPropertiesOutput;
    largeBlob?: AuthenticationExtensionsLargeBlobOutputsJSON;
    prf?: AuthenticationExtensionsPRFOutputsJSON;
}

interface AuthenticationExtensionsLargeBlobInputs {
    read?: boolean;
    support?: string;
    write?: BufferSource;
}

interface AuthenticationExtensionsLargeBlobInputsJSON {
    read?: boolean;
    support?: string;
    write?: Base64URLString;
}

interface AuthenticationExtensionsLargeBlobOutputs {
    blob?: ArrayBuffer;
    supported?: boolean;
    written?: boolean;
}

interface AuthenticationExtensionsLargeBlobOutputsJSON {
    blob?: Base64URLString;
    supported?: boolean;
    written?: boolean;
}

interface AuthenticationExtensionsPRFInputs {
    eval?: AuthenticationExtensionsPRFValues;
    evalByCredential?: Record<string, AuthenticationExtensionsPRFValues>;
}

interface AuthenticationExtensionsPRFInputsJSON {
    eval?: AuthenticationExtensionsPRFValuesJSON;
    evalByCredential?: Record<string, AuthenticationExtensionsPRFValuesJSON>;
}

interface AuthenticationExtensionsPRFOutputs {
    enabled?: boolean;
    results?: AuthenticationExtensionsPRFValues;
}

interface AuthenticationExtensionsPRFOutputsJSON {
    enabled?: boolean;
    results?: AuthenticationExtensionsPRFValuesJSON;
}

interface AuthenticationExtensionsPRFValues {
    first: BufferSource;
    second?: BufferSource;
}

interface AuthenticationExtensionsPRFValuesJSON {
    first: Base64URLString;
    second?: Base64URLString;
}

interface AuthenticationResponseJSON {
    authenticatorAttachment?: string;
    clientExtensionResults: AuthenticationExtensionsClientOutputsJSON;
    id: string;
    rawId: Base64URLString;
    response: AuthenticatorAssertionResponseJSON;
    type: string;
}

interface AuthenticatorAssertionResponseJSON {
    authenticatorData: Base64URLString;
    clientDataJSON: Base64URLString;
    signature: Base64URLString;
    userHandle?: Base64URLString;
}

interface AuthenticatorAttestationResponseJSON {
    attestationObject: Base64URLString;
    authenticatorData: Base64URLString;
    clientDataJSON: Base64URLString;
    publicKey?: Base64URLString;
    publicKeyAlgorithm: COSEAlgorithmIdentifier;
    transports: string[];
}

interface AuthenticatorSelectionCriteria {
    authenticatorAttachment?: AuthenticatorAttachment;
    requireResidentKey?: boolean;
    residentKey?: ResidentKeyRequirement;
    userVerification?: UserVerificationRequirement;
}

interface AvcEncoderConfig {
    format?: AvcBitstreamFormat;
}

interface BiquadFilterOptions extends AudioNodeOptions {
    Q?: number;
    detune?: number;
    frequency?: number;
    gain?: number;
    type?: BiquadFilterType;
}

interface BlobEventInit extends EventInit {
    data: Blob;
    timecode?: DOMHighResTimeStamp;
}

interface BlobPropertyBag {
    endings?: EndingType;
    type?: string;
}

interface CSSMatrixComponentOptions {
    is2D?: boolean;
}

interface CSSNumericType {
    angle?: number;
    flex?: number;
    frequency?: number;
    length?: number;
    percent?: number;
    percentHint?: CSSNumericBaseType;
    resolution?: number;
    time?: number;
}

interface CSSStyleSheetInit {
    baseURL?: string;
    disabled?: boolean;
    media?: MediaList | string;
}

interface CacheQueryOptions {
    ignoreMethod?: boolean;
    ignoreSearch?: boolean;
    ignoreVary?: boolean;
}

interface CanvasRenderingContext2DSettings {
    alpha?: boolean;
    colorSpace?: PredefinedColorSpace;
    desynchronized?: boolean;
    willReadFrequently?: boolean;
}

interface CaretPositionFromPointOptions {
    shadowRoots?: ShadowRoot[];
}

interface ChannelMergerOptions extends AudioNodeOptions {
    numberOfInputs?: number;
}

interface ChannelSplitterOptions extends AudioNodeOptions {
    numberOfOutputs?: number;
}

interface CheckVisibilityOptions {
    checkOpacity?: boolean;
    checkVisibilityCSS?: boolean;
    contentVisibilityAuto?: boolean;
    opacityProperty?: boolean;
    visibilityProperty?: boolean;
}

interface ClientQueryOptions {
    includeUncontrolled?: boolean;
    type?: ClientTypes;
}

interface ClipboardEventInit extends EventInit {
    clipboardData?: DataTransfer | null;
}

interface ClipboardItemOptions {
    presentationStyle?: PresentationStyle;
}

interface CloseEventInit extends EventInit {
    code?: number;
    reason?: string;
    wasClean?: boolean;
}

interface CommandEventInit extends EventInit {
    command?: string;
    source?: Element | null;
}

interface CompositionEventInit extends UIEventInit {
    data?: string;
}

interface ComputedEffectTiming extends EffectTiming {
    activeDuration?: CSSNumberish;
    currentIteration?: number | null;
    endTime?: CSSNumberish;
    localTime?: CSSNumberish | null;
    progress?: number | null;
    startTime?: CSSNumberish;
}

interface ComputedKeyframe {
    composite: CompositeOperationOrAuto;
    computedOffset: number;
    easing: string;
    offset: number | null;
    [property: string]: string | number | null | undefined;
}

interface ConstantSourceOptions {
    offset?: number;
}

interface ConstrainBooleanOrDOMStringParameters {
    exact?: boolean | string;
    ideal?: boolean | string;
}

interface ConstrainBooleanParameters {
    exact?: boolean;
    ideal?: boolean;
}

interface ConstrainDOMStringParameters {
    exact?: string | string[];
    ideal?: string | string[];
}

interface ConstrainDoubleRange extends DoubleRange {
    exact?: number;
    ideal?: number;
}

interface ConstrainULongRange extends ULongRange {
    exact?: number;
    ideal?: number;
}

interface ContentVisibilityAutoStateChangeEventInit extends EventInit {
    skipped?: boolean;
}

interface ConvolverOptions extends AudioNodeOptions {
    buffer?: AudioBuffer | null;
    disableNormalization?: boolean;
}

interface CookieChangeEventInit extends EventInit {
    changed?: CookieList;
    deleted?: CookieList;
}

interface CookieInit {
    domain?: string | null;
    expires?: DOMHighResTimeStamp | null;
    name: string;
    partitioned?: boolean;
    path?: string;
    sameSite?: CookieSameSite;
    value: string;
}

interface CookieListItem {
    name?: string;
    value?: string;
}

interface CookieStoreDeleteOptions {
    domain?: string | null;
    name: string;
    partitioned?: boolean;
    path?: string;
}

interface CookieStoreGetOptions {
    name?: string;
    url?: string;
}

interface CredentialCreationOptions {
    publicKey?: PublicKeyCredentialCreationOptions;
    signal?: AbortSignal;
}

interface CredentialPropertiesOutput {
    rk?: boolean;
}

interface CredentialRequestOptions {
    mediation?: CredentialMediationRequirement;
    publicKey?: PublicKeyCredentialRequestOptions;
    signal?: AbortSignal;
}

interface CryptoKeyPair {
    privateKey: CryptoKey;
    publicKey: CryptoKey;
}

interface CurrentUserDetailsOptions {
    displayName: string;
    name: string;
    rpId: string;
    userId: Base64URLString;
}

interface CustomEventInit<T = any> extends EventInit {
    detail?: T;
}

interface DOMMatrix2DInit {
    a?: number;
    b?: number;
    c?: number;
    d?: number;
    e?: number;
    f?: number;
    m11?: number;
    m12?: number;
    m21?: number;
    m22?: number;
    m41?: number;
    m42?: number;
}

interface DOMMatrixInit extends DOMMatrix2DInit {
    is2D?: boolean;
    m13?: number;
    m14?: number;
    m23?: number;
    m24?: number;
    m31?: number;
    m32?: number;
    m33?: number;
    m34?: number;
    m43?: number;
    m44?: number;
}

interface DOMPointInit {
    w?: number;
    x?: number;
    y?: number;
    z?: number;
}

interface DOMQuadInit {
    p1?: DOMPointInit;
    p2?: DOMPointInit;
    p3?: DOMPointInit;
    p4?: DOMPointInit;
}

interface DOMRectInit {
    height?: number;
    width?: number;
    x?: number;
    y?: number;
}

interface DelayOptions extends AudioNodeOptions {
    delayTime?: number;
    maxDelayTime?: number;
}

interface DeviceMotionEventAccelerationInit {
    x?: number | null;
    y?: number | null;
    z?: number | null;
}

interface DeviceMotionEventInit extends EventInit {
    acceleration?: DeviceMotionEventAccelerationInit;
    accelerationIncludingGravity?: DeviceMotionEventAccelerationInit;
    interval?: number;
    rotationRate?: DeviceMotionEventRotationRateInit;
}

interface DeviceMotionEventRotationRateInit {
    alpha?: number | null;
    beta?: number | null;
    gamma?: number | null;
}

interface DeviceOrientationEventInit extends EventInit {
    absolute?: boolean;
    alpha?: number | null;
    beta?: number | null;
    gamma?: number | null;
}

interface DisplayMediaStreamOptions {
    audio?: boolean | MediaTrackConstraints;
    video?: boolean | MediaTrackConstraints;
}

interface DocumentTimelineOptions {
    originTime?: DOMHighResTimeStamp;
}

interface DoubleRange {
    max?: number;
    min?: number;
}

interface DragEventInit extends MouseEventInit {
    dataTransfer?: DataTransfer | null;
}

interface DynamicsCompressorOptions extends AudioNodeOptions {
    attack?: number;
    knee?: number;
    ratio?: number;
    release?: number;
    threshold?: number;
}

interface EcKeyAlgorithm extends KeyAlgorithm {
    namedCurve: NamedCurve;
}

interface EcKeyGenParams extends Algorithm {
    namedCurve: NamedCurve;
}

interface EcKeyImportParams extends Algorithm {
    namedCurve: NamedCurve;
}

interface EcdhKeyDeriveParams extends Algorithm {
    public: CryptoKey;
}

interface EcdsaParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
}

interface EffectTiming {
    delay?: number;
    direction?: PlaybackDirection;
    duration?: number | CSSNumericValue | string;
    easing?: string;
    endDelay?: number;
    fill?: FillMode;
    iterationStart?: number;
    iterations?: number;
    playbackRate?: number;
}

interface ElementCreationOptions {
    customElementRegistry?: CustomElementRegistry | null;
    is?: string;
}

interface ElementDefinitionOptions {
    extends?: string;
}

interface EncodedAudioChunkInit {
    data: AllowSharedBufferSource;
    duration?: number;
    timestamp: number;
    transfer?: ArrayBuffer[];
    type: EncodedAudioChunkType;
}

interface EncodedAudioChunkMetadata {
    decoderConfig?: AudioDecoderConfig;
}

interface EncodedVideoChunkInit {
    data: AllowSharedBufferSource;
    duration?: number;
    timestamp: number;
    type: EncodedVideoChunkType;
}

interface EncodedVideoChunkMetadata {
    decoderConfig?: VideoDecoderConfig;
    svc?: SvcOutputMetadata;
}

interface ErrorEventInit extends EventInit {
    colno?: number;
    error?: any;
    filename?: string;
    lineno?: number;
    message?: string;
}

interface EventInit {
    bubbles?: boolean;
    cancelable?: boolean;
    composed?: boolean;
}

interface EventListenerOptions {
    capture?: boolean;
}

interface EventModifierInit extends UIEventInit {
    altKey?: boolean;
    ctrlKey?: boolean;
    metaKey?: boolean;
    modifierAltGraph?: boolean;
    modifierCapsLock?: boolean;
    modifierFn?: boolean;
    modifierFnLock?: boolean;
    modifierHyper?: boolean;
    modifierNumLock?: boolean;
    modifierScrollLock?: boolean;
    modifierSuper?: boolean;
    modifierSymbol?: boolean;
    modifierSymbolLock?: boolean;
    shiftKey?: boolean;
}

interface EventSourceInit {
    withCredentials?: boolean;
}

interface FilePropertyBag extends BlobPropertyBag {
    lastModified?: number;
}

interface FileSystemCreateWritableOptions {
    keepExistingData?: boolean;
}

interface FileSystemFlags {
    create?: boolean;
    exclusive?: boolean;
}

interface FileSystemGetDirectoryOptions {
    create?: boolean;
}

interface FileSystemGetFileOptions {
    create?: boolean;
}

interface FileSystemRemoveOptions {
    recursive?: boolean;
}

interface FocusEventInit extends UIEventInit {
    relatedTarget?: EventTarget | null;
}

interface FocusOptions {
    focusVisible?: boolean;
    preventScroll?: boolean;
}

interface FontFaceDescriptors {
    ascentOverride?: string;
    descentOverride?: string;
    display?: FontDisplay;
    featureSettings?: string;
    lineGapOverride?: string;
    stretch?: string;
    style?: string;
    unicodeRange?: string;
    variationSettings?: string;
    weight?: string;
}

interface FontFaceSetLoadEventInit extends EventInit {
    fontfaces?: FontFace[];
}

interface FormDataEventInit extends EventInit {
    formData: FormData;
}

interface FullscreenOptions {
    navigationUI?: FullscreenNavigationUI;
}

interface GPUBindGroupDescriptor extends GPUObjectDescriptorBase {
    entries: GPUBindGroupEntry[];
    layout: GPUBindGroupLayout;
}

interface GPUBindGroupEntry {
    binding: GPUIndex32;
    resource: GPUBindingResource;
}

interface GPUBindGroupLayoutDescriptor extends GPUObjectDescriptorBase {
    entries: GPUBindGroupLayoutEntry[];
}

interface GPUBindGroupLayoutEntry {
    binding: GPUIndex32;
    buffer?: GPUBufferBindingLayout;
    externalTexture?: GPUExternalTextureBindingLayout;
    sampler?: GPUSamplerBindingLayout;
    storageTexture?: GPUStorageTextureBindingLayout;
    texture?: GPUTextureBindingLayout;
    visibility: GPUShaderStageFlags;
}

interface GPUBlendComponent {
    dstFactor?: GPUBlendFactor;
    operation?: GPUBlendOperation;
    srcFactor?: GPUBlendFactor;
}

interface GPUBlendState {
    alpha: GPUBlendComponent;
    color: GPUBlendComponent;
}

interface GPUBufferBinding {
    buffer: GPUBuffer;
    offset?: GPUSize64;
    size?: GPUSize64;
}

interface GPUBufferBindingLayout {
    hasDynamicOffset?: boolean;
    minBindingSize?: GPUSize64;
    type?: GPUBufferBindingType;
}

interface GPUBufferDescriptor extends GPUObjectDescriptorBase {
    mappedAtCreation?: boolean;
    size: GPUSize64;
    usage: GPUBufferUsageFlags;
}

interface GPUCanvasConfiguration {
    alphaMode?: GPUCanvasAlphaMode;
    colorSpace?: PredefinedColorSpace;
    device: GPUDevice;
    format: GPUTextureFormat;
    toneMapping?: GPUCanvasToneMapping;
    usage?: GPUTextureUsageFlags;
    viewFormats?: GPUTextureFormat[];
}

interface GPUCanvasToneMapping {
    mode?: GPUCanvasToneMappingMode;
}

interface GPUColorDict {
    a: number;
    b: number;
    g: number;
    r: number;
}

interface GPUColorTargetState {
    blend?: GPUBlendState;
    format: GPUTextureFormat;
    writeMask?: GPUColorWriteFlags;
}

interface GPUCommandBufferDescriptor extends GPUObjectDescriptorBase {
}

interface GPUCommandEncoderDescriptor extends GPUObjectDescriptorBase {
}

interface GPUComputePassDescriptor extends GPUObjectDescriptorBase {
    timestampWrites?: GPUComputePassTimestampWrites;
}

interface GPUComputePassTimestampWrites {
    beginningOfPassWriteIndex?: GPUSize32;
    endOfPassWriteIndex?: GPUSize32;
    querySet: GPUQuerySet;
}

interface GPUComputePipelineDescriptor extends GPUPipelineDescriptorBase {
    compute: GPUProgrammableStage;
}

interface GPUCopyExternalImageDestInfo extends GPUTexelCopyTextureInfo {
    colorSpace?: PredefinedColorSpace;
    premultipliedAlpha?: boolean;
}

interface GPUCopyExternalImageSourceInfo {
    flipY?: boolean;
    origin?: GPUOrigin2D;
    source: GPUCopyExternalImageSource;
}

interface GPUDepthStencilState {
    depthBias?: GPUDepthBias;
    depthBiasClamp?: number;
    depthBiasSlopeScale?: number;
    depthCompare?: GPUCompareFunction;
    depthWriteEnabled?: boolean;
    format: GPUTextureFormat;
    stencilBack?: GPUStencilFaceState;
    stencilFront?: GPUStencilFaceState;
    stencilReadMask?: GPUStencilValue;
    stencilWriteMask?: GPUStencilValue;
}

interface GPUDeviceDescriptor extends GPUObjectDescriptorBase {
    defaultQueue?: GPUQueueDescriptor;
    requiredFeatures?: GPUFeatureName[];
    requiredLimits?: Record<string, GPUSize64 | undefined>;
}

interface GPUExtent3DDict {
    depthOrArrayLayers?: GPUIntegerCoordinate;
    height?: GPUIntegerCoordinate;
    width: GPUIntegerCoordinate;
}

interface GPUExternalTextureBindingLayout {
}

interface GPUExternalTextureDescriptor extends GPUObjectDescriptorBase {
    colorSpace?: PredefinedColorSpace;
    source: HTMLVideoElement | VideoFrame;
}

interface GPUFragmentState extends GPUProgrammableStage {
    targets: (GPUColorTargetState | null)[];
}

interface GPUMultisampleState {
    alphaToCoverageEnabled?: boolean;
    count?: GPUSize32;
    mask?: GPUSampleMask;
}

interface GPUObjectDescriptorBase {
    label?: string;
}

interface GPUOrigin2DDict {
    x?: GPUIntegerCoordinate;
    y?: GPUIntegerCoordinate;
}

interface GPUOrigin3DDict {
    x?: GPUIntegerCoordinate;
    y?: GPUIntegerCoordinate;
    z?: GPUIntegerCoordinate;
}

interface GPUPipelineDescriptorBase extends GPUObjectDescriptorBase {
    layout: GPUPipelineLayout | GPUAutoLayoutMode;
}

interface GPUPipelineErrorInit {
    reason: GPUPipelineErrorReason;
}

interface GPUPipelineLayoutDescriptor extends GPUObjectDescriptorBase {
    bindGroupLayouts: (GPUBindGroupLayout | null)[];
}

interface GPUPrimitiveState {
    cullMode?: GPUCullMode;
    frontFace?: GPUFrontFace;
    stripIndexFormat?: GPUIndexFormat;
    topology?: GPUPrimitiveTopology;
    unclippedDepth?: boolean;
}

interface GPUProgrammableStage {
    constants?: Record<string, GPUPipelineConstantValue>;
    entryPoint?: string;
    module: GPUShaderModule;
}

interface GPUQuerySetDescriptor extends GPUObjectDescriptorBase {
    count: GPUSize32;
    type: GPUQueryType;
}

interface GPUQueueDescriptor extends GPUObjectDescriptorBase {
}

interface GPURenderBundleDescriptor extends GPUObjectDescriptorBase {
}

interface GPURenderBundleEncoderDescriptor extends GPURenderPassLayout {
    depthReadOnly?: boolean;
    stencilReadOnly?: boolean;
}

interface GPURenderPassColorAttachment {
    clearValue?: GPUColor;
    depthSlice?: GPUIntegerCoordinate;
    loadOp: GPULoadOp;
    resolveTarget?: GPUTexture | GPUTextureView;
    storeOp: GPUStoreOp;
    view: GPUTexture | GPUTextureView;
}

interface GPURenderPassDepthStencilAttachment {
    depthClearValue?: number;
    depthLoadOp?: GPULoadOp;
    depthReadOnly?: boolean;
    depthStoreOp?: GPUStoreOp;
    stencilClearValue?: GPUStencilValue;
    stencilLoadOp?: GPULoadOp;
    stencilReadOnly?: boolean;
    stencilStoreOp?: GPUStoreOp;
    view: GPUTexture | GPUTextureView;
}

interface GPURenderPassDescriptor extends GPUObjectDescriptorBase {
    colorAttachments: (GPURenderPassColorAttachment | null)[];
    depthStencilAttachment?: GPURenderPassDepthStencilAttachment;
    maxDrawCount?: GPUSize64;
    occlusionQuerySet?: GPUQuerySet;
    timestampWrites?: GPURenderPassTimestampWrites;
}

interface GPURenderPassLayout extends GPUObjectDescriptorBase {
    colorFormats: (GPUTextureFormat | null)[];
    depthStencilFormat?: GPUTextureFormat;
    sampleCount?: GPUSize32;
}

interface GPURenderPassTimestampWrites {
    beginningOfPassWriteIndex?: GPUSize32;
    endOfPassWriteIndex?: GPUSize32;
    querySet: GPUQuerySet;
}

interface GPURenderPipelineDescriptor extends GPUPipelineDescriptorBase {
    depthStencil?: GPUDepthStencilState;
    fragment?: GPUFragmentState;
    multisample?: GPUMultisampleState;
    primitive?: GPUPrimitiveState;
    vertex: GPUVertexState;
}

interface GPURequestAdapterOptions {
    forceFallbackAdapter?: boolean;
    powerPreference?: GPUPowerPreference;
}

interface GPUSamplerBindingLayout {
    type?: GPUSamplerBindingType;
}

interface GPUSamplerDescriptor extends GPUObjectDescriptorBase {
    addressModeU?: GPUAddressMode;
    addressModeV?: GPUAddressMode;
    addressModeW?: GPUAddressMode;
    compare?: GPUCompareFunction;
    lodMaxClamp?: number;
    lodMinClamp?: number;
    magFilter?: GPUFilterMode;
    maxAnisotropy?: number;
    minFilter?: GPUFilterMode;
    mipmapFilter?: GPUMipmapFilterMode;
}

interface GPUShaderModuleDescriptor extends GPUObjectDescriptorBase {
    code: string;
}

interface GPUStencilFaceState {
    compare?: GPUCompareFunction;
    depthFailOp?: GPUStencilOperation;
    failOp?: GPUStencilOperation;
    passOp?: GPUStencilOperation;
}

interface GPUStorageTextureBindingLayout {
    access?: GPUStorageTextureAccess;
    format: GPUTextureFormat;
    viewDimension?: GPUTextureViewDimension;
}

interface GPUTexelCopyBufferInfo extends GPUTexelCopyBufferLayout {
    buffer: GPUBuffer;
}

interface GPUTexelCopyBufferLayout {
    bytesPerRow?: GPUSize32;
    offset?: GPUSize64;
    rowsPerImage?: GPUSize32;
}

interface GPUTexelCopyTextureInfo {
    aspect?: GPUTextureAspect;
    mipLevel?: GPUIntegerCoordinate;
    origin?: GPUOrigin3D;
    texture: GPUTexture;
}

interface GPUTextureBindingLayout {
    multisampled?: boolean;
    sampleType?: GPUTextureSampleType;
    viewDimension?: GPUTextureViewDimension;
}

interface GPUTextureDescriptor extends GPUObjectDescriptorBase {
    dimension?: GPUTextureDimension;
    format: GPUTextureFormat;
    mipLevelCount?: GPUIntegerCoordinate;
    sampleCount?: GPUSize32;
    size: GPUExtent3D;
    usage: GPUTextureUsageFlags;
    viewFormats?: GPUTextureFormat[];
}

interface GPUTextureViewDescriptor extends GPUObjectDescriptorBase {
    arrayLayerCount?: GPUIntegerCoordinate;
    aspect?: GPUTextureAspect;
    baseArrayLayer?: GPUIntegerCoordinate;
    baseMipLevel?: GPUIntegerCoordinate;
    dimension?: GPUTextureViewDimension;
    format?: GPUTextureFormat;
    mipLevelCount?: GPUIntegerCoordinate;
    usage?: GPUTextureUsageFlags;
}

interface GPUUncapturedErrorEventInit extends EventInit {
    error: GPUError;
}

interface GPUVertexAttribute {
    format: GPUVertexFormat;
    offset: GPUSize64;
    shaderLocation: GPUIndex32;
}

interface GPUVertexBufferLayout {
    arrayStride: GPUSize64;
    attributes: GPUVertexAttribute[];
    stepMode?: GPUVertexStepMode;
}

interface GPUVertexState extends GPUProgrammableStage {
    buffers?: (GPUVertexBufferLayout | null)[];
}

interface GainOptions extends AudioNodeOptions {
    gain?: number;
}

interface GamepadEffectParameters {
    duration?: number;
    leftTrigger?: number;
    rightTrigger?: number;
    startDelay?: number;
    strongMagnitude?: number;
    weakMagnitude?: number;
}

interface GamepadEventInit extends EventInit {
    gamepad?: Gamepad | null;
}

interface GetAnimationsOptions {
    subtree?: boolean;
}

interface GetComposedRangesOptions {
    shadowRoots?: ShadowRoot[];
}

interface GetHTMLOptions {
    serializableShadowRoots?: boolean;
    shadowRoots?: ShadowRoot[];
}

interface GetNotificationOptions {
    tag?: string;
}

interface GetRootNodeOptions {
    composed?: boolean;
}

interface HashChangeEventInit extends EventInit {
    newURL?: string;
    oldURL?: string;
}

interface HkdfParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    info: BufferSource;
    salt: BufferSource;
}

interface HmacImportParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    length?: number;
}

interface HmacKeyAlgorithm extends KeyAlgorithm {
    hash: KeyAlgorithm;
    length: number;
}

interface HmacKeyGenParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    length?: number;
}

interface IDBDatabaseInfo {
    name?: string;
    version?: number;
}

interface IDBIndexParameters {
    multiEntry?: boolean;
    unique?: boolean;
}

interface IDBObjectStoreParameters {
    autoIncrement?: boolean;
    keyPath?: string | string[] | null;
}

interface IDBTransactionOptions {
    durability?: IDBTransactionDurability;
}

interface IDBVersionChangeEventInit extends EventInit {
    newVersion?: number | null;
    oldVersion?: number;
}

interface IIRFilterOptions extends AudioNodeOptions {
    feedback: number[];
    feedforward: number[];
}

interface IdleRequestOptions {
    timeout?: number;
}

interface ImageBitmapOptions {
    colorSpaceConversion?: ColorSpaceConversion;
    imageOrientation?: ImageOrientation;
    premultiplyAlpha?: PremultiplyAlpha;
    resizeHeight?: number;
    resizeQuality?: ResizeQuality;
    resizeWidth?: number;
}

interface ImageBitmapRenderingContextSettings {
    alpha?: boolean;
}

interface ImageDataSettings {
    colorSpace?: PredefinedColorSpace;
    pixelFormat?: ImageDataPixelFormat;
}

interface ImageDecodeOptions {
    completeFramesOnly?: boolean;
    frameIndex?: number;
}

interface ImageDecodeResult {
    complete: boolean;
    image: VideoFrame;
}

interface ImageDecoderInit {
    colorSpaceConversion?: ColorSpaceConversion;
    data: ImageBufferSource;
    desiredHeight?: number;
    desiredWidth?: number;
    preferAnimation?: boolean;
    transfer?: ArrayBuffer[];
    type: string;
}

interface ImageEncodeOptions {
    quality?: number;
    type?: string;
}

interface ImportNodeOptions {
    customElementRegistry?: CustomElementRegistry;
    selfOnly?: boolean;
}

interface InputEventInit extends UIEventInit {
    data?: string | null;
    dataTransfer?: DataTransfer | null;
    inputType?: string;
    isComposing?: boolean;
    targetRanges?: StaticRange[];
}

interface IntersectionObserverInit {
    root?: Element | Document | null;
    rootMargin?: string;
    scrollMargin?: string;
    threshold?: number | number[];
}

interface JsonWebKey {
    alg?: string;
    crv?: string;
    d?: string;
    dp?: string;
    dq?: string;
    e?: string;
    ext?: boolean;
    k?: string;
    key_ops?: string[];
    kty?: string;
    n?: string;
    oth?: RsaOtherPrimesInfo[];
    p?: string;
    q?: string;
    qi?: string;
    use?: string;
    x?: string;
    y?: string;
}

interface KeyAlgorithm {
    name: string;
}

interface KeySystemTrackConfiguration {
    robustness?: string;
}

interface KeyboardEventInit extends EventModifierInit {
    /** @deprecated `charCode` is inconsistent across environments, consider using `key` instead. */
    charCode?: number;
    code?: string;
    isComposing?: boolean;
    key?: string;
    /** @deprecated `keyCode` is inconsistent across environments, consider using `key` instead. */
    keyCode?: number;
    location?: number;
    repeat?: boolean;
}

interface Keyframe {
    composite?: CompositeOperationOrAuto;
    easing?: string;
    offset?: number | null;
    [property: string]: string | number | null | undefined;
}

interface KeyframeAnimationOptions extends KeyframeEffectOptions {
    id?: string;
    rangeEnd?: TimelineRangeOffset | CSSNumericValue | CSSKeywordValue | string;
    rangeStart?: TimelineRangeOffset | CSSNumericValue | CSSKeywordValue | string;
    timeline?: AnimationTimeline | null;
}

interface KeyframeEffectOptions extends EffectTiming {
    composite?: CompositeOperation;
    iterationComposite?: IterationCompositeOperation;
    pseudoElement?: string | null;
}

interface LockInfo {
    clientId?: string;
    mode?: LockMode;
    name?: string;
}

interface LockManagerSnapshot {
    held?: LockInfo[];
    pending?: LockInfo[];
}

interface LockOptions {
    ifAvailable?: boolean;
    mode?: LockMode;
    signal?: AbortSignal;
    steal?: boolean;
}

interface MIDIConnectionEventInit extends EventInit {
    port?: MIDIPort;
}

interface MIDIMessageEventInit extends EventInit {
    data?: Uint8Array<ArrayBuffer>;
}

interface MIDIOptions {
    software?: boolean;
    sysex?: boolean;
}

interface MediaCapabilitiesDecodingInfo extends MediaCapabilitiesInfo {
    keySystemAccess: MediaKeySystemAccess | null;
}

interface MediaCapabilitiesEncodingInfo extends MediaCapabilitiesInfo {
}

interface MediaCapabilitiesInfo {
    powerEfficient: boolean;
    smooth: boolean;
    supported: boolean;
}

interface MediaCapabilitiesKeySystemConfiguration {
    audio?: KeySystemTrackConfiguration;
    distinctiveIdentifier?: MediaKeysRequirement;
    initDataType?: string;
    keySystem: string;
    persistentState?: MediaKeysRequirement;
    sessionTypes?: string[];
    video?: KeySystemTrackConfiguration;
}

interface MediaConfiguration {
    audio?: AudioConfiguration;
    video?: VideoConfiguration;
}

interface MediaDecodingConfiguration extends MediaConfiguration {
    keySystemConfiguration?: MediaCapabilitiesKeySystemConfiguration;
    type: MediaDecodingType;
}

interface MediaElementAudioSourceOptions {
    mediaElement: HTMLMediaElement;
}

interface MediaEncodingConfiguration extends MediaConfiguration {
    type: MediaEncodingType;
}

interface MediaEncryptedEventInit extends EventInit {
    initData?: ArrayBuffer | null;
    initDataType?: string;
}

interface MediaImage {
    sizes?: string;
    src: string;
    type?: string;
}

interface MediaKeyMessageEventInit extends EventInit {
    message: ArrayBuffer;
    messageType: MediaKeyMessageType;
}

interface MediaKeySystemConfiguration {
    audioCapabilities?: MediaKeySystemMediaCapability[];
    distinctiveIdentifier?: MediaKeysRequirement;
    initDataTypes?: string[];
    label?: string;
    persistentState?: MediaKeysRequirement;
    sessionTypes?: string[];
    videoCapabilities?: MediaKeySystemMediaCapability[];
}

interface MediaKeySystemMediaCapability {
    contentType?: string;
    encryptionScheme?: string | null;
    robustness?: string;
}

interface MediaKeysPolicy {
    minHdcpVersion?: string;
}

interface MediaMetadataInit {
    album?: string;
    artist?: string;
    artwork?: MediaImage[];
    title?: string;
}

interface MediaPositionState {
    duration?: number;
    playbackRate?: number;
    position?: number;
}

interface MediaQueryListEventInit extends EventInit {
    matches?: boolean;
    media?: string;
}

interface MediaRecorderOptions {
    audioBitsPerSecond?: number;
    bitsPerSecond?: number;
    mimeType?: string;
    videoBitsPerSecond?: number;
}

interface MediaSessionActionDetails {
    action: MediaSessionAction;
    fastSeek?: boolean;
    seekOffset?: number;
    seekTime?: number;
}

interface MediaSettingsRange {
    max?: number;
    min?: number;
    step?: number;
}

interface MediaStreamAudioSourceOptions {
    mediaStream: MediaStream;
}

interface MediaStreamConstraints {
    audio?: boolean | MediaTrackConstraints;
    peerIdentity?: string;
    preferCurrentTab?: boolean;
    video?: boolean | MediaTrackConstraints;
}

interface MediaStreamTrackEventInit extends EventInit {
    track: MediaStreamTrack;
}

interface MediaTrackCapabilities {
    aspectRatio?: DoubleRange;
    autoGainControl?: boolean[];
    backgroundBlur?: boolean[];
    channelCount?: ULongRange;
    deviceId?: string;
    displaySurface?: string;
    echoCancellation?: (boolean | string)[];
    facingMode?: string[];
    frameRate?: DoubleRange;
    groupId?: string;
    height?: ULongRange;
    noiseSuppression?: boolean[];
    sampleRate?: ULongRange;
    sampleSize?: ULongRange;
    width?: ULongRange;
}

interface MediaTrackConstraintSet {
    aspectRatio?: ConstrainDouble;
    autoGainControl?: ConstrainBoolean;
    backgroundBlur?: ConstrainBoolean;
    channelCount?: ConstrainULong;
    deviceId?: ConstrainDOMString;
    displaySurface?: ConstrainDOMString;
    echoCancellation?: ConstrainBooleanOrDOMString;
    facingMode?: ConstrainDOMString;
    frameRate?: ConstrainDouble;
    groupId?: ConstrainDOMString;
    height?: ConstrainULong;
    noiseSuppression?: ConstrainBoolean;
    sampleRate?: ConstrainULong;
    sampleSize?: ConstrainULong;
    width?: ConstrainULong;
}

interface MediaTrackConstraints extends MediaTrackConstraintSet {
    advanced?: MediaTrackConstraintSet[];
}

interface MediaTrackSettings {
    aspectRatio?: number;
    autoGainControl?: boolean;
    backgroundBlur?: boolean;
    channelCount?: number;
    deviceId?: string;
    displaySurface?: string;
    echoCancellation?: boolean | string;
    facingMode?: string;
    frameRate?: number;
    groupId?: string;
    height?: number;
    noiseSuppression?: boolean;
    sampleRate?: number;
    sampleSize?: number;
    torch?: boolean;
    whiteBalanceMode?: string;
    width?: number;
    zoom?: number;
}

interface MediaTrackSupportedConstraints {
    aspectRatio?: boolean;
    autoGainControl?: boolean;
    backgroundBlur?: boolean;
    channelCount?: boolean;
    deviceId?: boolean;
    displaySurface?: boolean;
    echoCancellation?: boolean;
    facingMode?: boolean;
    frameRate?: boolean;
    groupId?: boolean;
    height?: boolean;
    noiseSuppression?: boolean;
    sampleRate?: boolean;
    sampleSize?: boolean;
    width?: boolean;
}

interface MessageEventInit<T = any> extends EventInit {
    data?: T;
    lastEventId?: string;
    origin?: string;
    ports?: MessagePort[];
    source?: MessageEventSource | null;
}

interface MouseEventInit extends EventModifierInit {
    button?: number;
    buttons?: number;
    clientX?: number;
    clientY?: number;
    movementX?: number;
    movementY?: number;
    relatedTarget?: EventTarget | null;
    screenX?: number;
    screenY?: number;
}

interface MultiCacheQueryOptions extends CacheQueryOptions {
    cacheName?: string;
}

interface MutationObserverInit {
    /** Set to a list of attribute local names (without namespace) if not all attribute mutations need to be observed and attributes is true or omitted. */
    attributeFilter?: string[];
    /** Set to true if attributes is true or omitted and target's attribute value before the mutation needs to be recorded. */
    attributeOldValue?: boolean;
    /** Set to true if mutations to target's attributes are to be observed. Can be omitted if attributeOldValue or attributeFilter is specified. */
    attributes?: boolean;
    /** Set to true if mutations to target's data are to be observed. Can be omitted if characterDataOldValue is specified. */
    characterData?: boolean;
    /** Set to true if characterData is set to true or omitted and target's data before the mutation needs to be recorded. */
    characterDataOldValue?: boolean;
    /** Set to true if mutations to target's children are to be observed. */
    childList?: boolean;
    /** Set to true if mutations to not just target, but also target's descendants are to be observed. */
    subtree?: boolean;
}

interface NavigateEventInit extends EventInit {
    canIntercept?: boolean;
    destination: NavigationDestination;
    downloadRequest?: string | null;
    formData?: FormData | null;
    hasUAVisualTransition?: boolean;
    hashChange?: boolean;
    info?: any;
    navigationType?: NavigationType;
    signal: AbortSignal;
    sourceElement?: Element | null;
    userInitiated?: boolean;
}

interface NavigationCurrentEntryChangeEventInit extends EventInit {
    from: NavigationHistoryEntry;
    navigationType?: NavigationType | null;
}

interface NavigationInterceptOptions {
    focusReset?: NavigationFocusReset;
    handler?: NavigationInterceptHandler;
    precommitHandler?: NavigationPrecommitHandler;
    scroll?: NavigationScrollBehavior;
}

interface NavigationNavigateOptions extends NavigationOptions {
    history?: NavigationHistoryBehavior;
    state?: any;
}

interface NavigationOptions {
    info?: any;
}

interface NavigationPreloadState {
    enabled?: boolean;
    headerValue?: string;
}

interface NavigationReloadOptions extends NavigationOptions {
    state?: any;
}

interface NavigationResult {
    committed?: Promise<NavigationHistoryEntry>;
    finished?: Promise<NavigationHistoryEntry>;
}

interface NavigationUpdateCurrentEntryOptions {
    state: any;
}

interface NotificationOptions {
    badge?: string;
    body?: string;
    data?: any;
    dir?: NotificationDirection;
    icon?: string;
    lang?: string;
    requireInteraction?: boolean;
    silent?: boolean | null;
    tag?: string;
}

interface OfflineAudioCompletionEventInit extends EventInit {
    renderedBuffer: AudioBuffer;
}

interface OfflineAudioContextOptions {
    length: number;
    numberOfChannels?: number;
    sampleRate: number;
}

interface OptionalEffectTiming {
    delay?: number;
    direction?: PlaybackDirection;
    duration?: number | string;
    easing?: string;
    endDelay?: number;
    fill?: FillMode;
    iterationStart?: number;
    iterations?: number;
    playbackRate?: number;
}

interface OpusEncoderConfig {
    complexity?: number;
    format?: OpusBitstreamFormat;
    frameDuration?: number;
    packetlossperc?: number;
    usedtx?: boolean;
    useinbandfec?: boolean;
}

interface OscillatorOptions extends AudioNodeOptions {
    detune?: number;
    frequency?: number;
    periodicWave?: PeriodicWave;
    type?: OscillatorType;
}

interface PageRevealEventInit extends EventInit {
    viewTransition?: ViewTransition | null;
}

interface PageSwapEventInit extends EventInit {
    activation?: NavigationActivation | null;
    viewTransition?: ViewTransition | null;
}

interface PageTransitionEventInit extends EventInit {
    persisted?: boolean;
}

interface PannerOptions extends AudioNodeOptions {
    coneInnerAngle?: number;
    coneOuterAngle?: number;
    coneOuterGain?: number;
    distanceModel?: DistanceModelType;
    maxDistance?: number;
    orientationX?: number;
    orientationY?: number;
    orientationZ?: number;
    panningModel?: PanningModelType;
    positionX?: number;
    positionY?: number;
    positionZ?: number;
    refDistance?: number;
    rolloffFactor?: number;
}

interface PayerErrors {
    email?: string;
    name?: string;
    phone?: string;
}

interface PaymentCurrencyAmount {
    currency: string;
    value: string;
}

interface PaymentDetailsBase {
    displayItems?: PaymentItem[];
    modifiers?: PaymentDetailsModifier[];
    shippingOptions?: PaymentShippingOption[];
}

interface PaymentDetailsInit extends PaymentDetailsBase {
    id?: string;
    total: PaymentItem;
}

interface PaymentDetailsModifier {
    additionalDisplayItems?: PaymentItem[];
    data?: any;
    supportedMethods: string;
    total?: PaymentItem;
}

interface PaymentDetailsUpdate extends PaymentDetailsBase {
    error?: string;
    paymentMethodErrors?: any;
    shippingAddressErrors?: AddressErrors;
    total?: PaymentItem;
}

interface PaymentItem {
    amount: PaymentCurrencyAmount;
    label: string;
    pending?: boolean;
}

interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
    methodDetails?: any;
    methodName?: string;
}

interface PaymentMethodData {
    data?: any;
    supportedMethods: string;
}

interface PaymentOptions {
    requestPayerEmail?: boolean;
    requestPayerName?: boolean;
    requestPayerPhone?: boolean;
    requestShipping?: boolean;
    shippingType?: PaymentShippingType;
}

interface PaymentRequestUpdateEventInit extends EventInit {
}

interface PaymentShippingOption {
    amount: PaymentCurrencyAmount;
    id: string;
    label: string;
    selected?: boolean;
}

interface PaymentValidationErrors {
    error?: string;
    payer?: PayerErrors;
    shippingAddress?: AddressErrors;
}

interface Pbkdf2Params extends Algorithm {
    hash: HashAlgorithmIdentifier;
    iterations: number;
    salt: BufferSource;
}

interface PerformanceMarkOptions {
    detail?: any;
    startTime?: DOMHighResTimeStamp;
}

interface PerformanceMeasureOptions {
    detail?: any;
    duration?: DOMHighResTimeStamp;
    end?: string | DOMHighResTimeStamp;
    start?: string | DOMHighResTimeStamp;
}

interface PerformanceObserverInit {
    buffered?: boolean;
    entryTypes?: string[];
    type?: string;
}

interface PeriodicWaveConstraints {
    disableNormalization?: boolean;
}

interface PeriodicWaveOptions extends PeriodicWaveConstraints {
    imag?: number[] | Float32Array;
    real?: number[] | Float32Array;
}

interface PermissionDescriptor {
    name: PermissionName;
}

interface PhotoCapabilities {
    fillLightMode?: FillLightMode[];
    imageHeight?: MediaSettingsRange;
    imageWidth?: MediaSettingsRange;
    redEyeReduction?: RedEyeReduction;
}

interface PhotoSettings {
    fillLightMode?: FillLightMode;
    imageHeight?: number;
    imageWidth?: number;
    redEyeReduction?: boolean;
}

interface PictureInPictureEventInit extends EventInit {
    pictureInPictureWindow: PictureInPictureWindow;
}

interface PlaneLayout {
    offset: number;
    stride: number;
}

interface PointerEventInit extends MouseEventInit {
    altitudeAngle?: number;
    azimuthAngle?: number;
    coalescedEvents?: PointerEvent[];
    height?: number;
    isPrimary?: boolean;
    pointerId?: number;
    pointerType?: string;
    predictedEvents?: PointerEvent[];
    pressure?: number;
    tangentialPressure?: number;
    tiltX?: number;
    tiltY?: number;
    twist?: number;
    width?: number;
}

interface PointerLockOptions {
    unadjustedMovement?: boolean;
}

interface PopStateEventInit extends EventInit {
    hasUAVisualTransition?: boolean;
    state?: any;
}

interface PositionOptions {
    enableHighAccuracy?: boolean;
    maximumAge?: number;
    timeout?: number;
}

interface ProgressEventInit extends EventInit {
    lengthComputable?: boolean;
    loaded?: number;
    total?: number;
}

interface PromiseRejectionEventInit extends EventInit {
    promise: Promise<any>;
    reason?: any;
}

interface PropertyDefinition {
    inherits: boolean;
    initialValue?: string;
    name: string;
    syntax?: string;
}

interface PropertyIndexedKeyframes {
    composite?: CompositeOperationOrAuto | CompositeOperationOrAuto[];
    easing?: string | string[];
    offset?: number | (number | null)[];
    [property: string]: string | string[] | number | null | (number | null)[] | undefined;
}

interface PublicKeyCredentialCreationOptions {
    attestation?: AttestationConveyancePreference;
    authenticatorSelection?: AuthenticatorSelectionCriteria;
    challenge: BufferSource;
    excludeCredentials?: PublicKeyCredentialDescriptor[];
    extensions?: AuthenticationExtensionsClientInputs;
    pubKeyCredParams: PublicKeyCredentialParameters[];
    rp: PublicKeyCredentialRpEntity;
    timeout?: number;
    user: PublicKeyCredentialUserEntity;
}

interface PublicKeyCredentialCreationOptionsJSON {
    attestation?: string;
    authenticatorSelection?: AuthenticatorSelectionCriteria;
    challenge: Base64URLString;
    excludeCredentials?: PublicKeyCredentialDescriptorJSON[];
    extensions?: AuthenticationExtensionsClientInputsJSON;
    hints?: string[];
    pubKeyCredParams: PublicKeyCredentialParameters[];
    rp: PublicKeyCredentialRpEntity;
    timeout?: number;
    user: PublicKeyCredentialUserEntityJSON;
}

interface PublicKeyCredentialDescriptor {
    id: BufferSource;
    transports?: AuthenticatorTransport[];
    type: PublicKeyCredentialType;
}

interface PublicKeyCredentialDescriptorJSON {
    id: Base64URLString;
    transports?: string[];
    type: string;
}

interface PublicKeyCredentialEntity {
    name: string;
}

interface PublicKeyCredentialParameters {
    alg: COSEAlgorithmIdentifier;
    type: PublicKeyCredentialType;
}

interface PublicKeyCredentialRequestOptions {
    allowCredentials?: PublicKeyCredentialDescriptor[];
    challenge: BufferSource;
    extensions?: AuthenticationExtensionsClientInputs;
    rpId?: string;
    timeout?: number;
    userVerification?: UserVerificationRequirement;
}

interface PublicKeyCredentialRequestOptionsJSON {
    allowCredentials?: PublicKeyCredentialDescriptorJSON[];
    challenge: Base64URLString;
    extensions?: AuthenticationExtensionsClientInputsJSON;
    hints?: string[];
    rpId?: string;
    timeout?: number;
    userVerification?: string;
}

interface PublicKeyCredentialRpEntity extends PublicKeyCredentialEntity {
    id?: string;
}

interface PublicKeyCredentialUserEntity extends PublicKeyCredentialEntity {
    displayName: string;
    id: BufferSource;
}

interface PublicKeyCredentialUserEntityJSON {
    displayName: string;
    id: Base64URLString;
    name: string;
}

interface PushSubscriptionJSON {
    endpoint?: string;
    expirationTime?: EpochTimeStamp | null;
    keys?: Record<string, string>;
}

interface PushSubscriptionOptionsInit {
    applicationServerKey?: BufferSource | string | null;
    userVisibleOnly?: boolean;
}

interface QueuingStrategy<T = any> {
    highWaterMark?: number;
    size?: QueuingStrategySize<T>;
}

interface QueuingStrategyInit {
    /**
     * Creates a new ByteLengthQueuingStrategy with the provided high water mark.
     *
     * Note that the provided high water mark will not be validated ahead of time. Instead, if it is negative, NaN, or not a number, the resulting ByteLengthQueuingStrategy will cause the corresponding stream constructor to throw.
     */
    highWaterMark: number;
}

interface RTCAnswerOptions extends RTCOfferAnswerOptions {
}

interface RTCCertificateExpiration {
    expires?: number;
}

interface RTCConfiguration {
    bundlePolicy?: RTCBundlePolicy;
    certificates?: RTCCertificate[];
    iceCandidatePoolSize?: number;
    iceServers?: RTCIceServer[];
    iceTransportPolicy?: RTCIceTransportPolicy;
    rtcpMuxPolicy?: RTCRtcpMuxPolicy;
}

interface RTCDTMFToneChangeEventInit extends EventInit {
    tone?: string;
}

interface RTCDataChannelEventInit extends EventInit {
    channel: RTCDataChannel;
}

interface RTCDataChannelInit {
    id?: number;
    maxPacketLifeTime?: number;
    maxRetransmits?: number;
    negotiated?: boolean;
    ordered?: boolean;
    protocol?: string;
}

interface RTCDtlsFingerprint {
    algorithm?: string;
    value?: string;
}

interface RTCEncodedAudioFrameMetadata extends RTCEncodedFrameMetadata {
    sequenceNumber?: number;
}

interface RTCEncodedFrameMetadata {
    contributingSources?: number[];
    mimeType?: string;
    payloadType?: number;
    rtpTimestamp?: number;
    synchronizationSource?: number;
}

interface RTCEncodedVideoFrameMetadata extends RTCEncodedFrameMetadata {
    dependencies?: number[];
    frameId?: number;
    height?: number;
    spatialIndex?: number;
    temporalIndex?: number;
    timestamp?: number;
    width?: number;
}

interface RTCErrorEventInit extends EventInit {
    error: RTCError;
}

interface RTCErrorInit {
    errorDetail: RTCErrorDetailType;
    httpRequestStatusCode?: number;
    receivedAlert?: number;
    sctpCauseCode?: number;
    sdpLineNumber?: number;
    sentAlert?: number;
}

interface RTCIceCandidateInit {
    candidate?: string;
    sdpMLineIndex?: number | null;
    sdpMid?: string | null;
    usernameFragment?: string | null;
}

interface RTCIceCandidatePairStats extends RTCStats {
    availableIncomingBitrate?: number;
    availableOutgoingBitrate?: number;
    bytesDiscardedOnSend?: number;
    bytesReceived?: number;
    bytesSent?: number;
    consentRequestsSent?: number;
    currentRoundTripTime?: number;
    lastPacketReceivedTimestamp?: DOMHighResTimeStamp;
    lastPacketSentTimestamp?: DOMHighResTimeStamp;
    localCandidateId: string;
    nominated?: boolean;
    packetsDiscardedOnSend?: number;
    packetsReceived?: number;
    packetsSent?: number;
    remoteCandidateId: string;
    requestsReceived?: number;
    requestsSent?: number;
    responsesReceived?: number;
    responsesSent?: number;
    state: RTCStatsIceCandidatePairState;
    totalRoundTripTime?: number;
    transportId: string;
}

interface RTCIceServer {
    credential?: string;
    urls: string | string[];
    username?: string;
}

interface RTCInboundRtpStreamStats extends RTCReceivedRtpStreamStats {
    audioLevel?: number;
    bytesReceived?: number;
    concealedSamples?: number;
    concealmentEvents?: number;
    decoderImplementation?: string;
    estimatedPlayoutTimestamp?: DOMHighResTimeStamp;
    fecBytesReceived?: number;
    fecPacketsDiscarded?: number;
    fecPacketsReceived?: number;
    fecSsrc?: number;
    firCount?: number;
    frameHeight?: number;
    frameWidth?: number;
    framesAssembledFromMultiplePackets?: number;
    framesDecoded?: number;
    framesDropped?: number;
    framesPerSecond?: number;
    framesReceived?: number;
    framesRendered?: number;
    freezeCount?: number;
    headerBytesReceived?: number;
    insertedSamplesForDeceleration?: number;
    jitterBufferDelay?: number;
    jitterBufferEmittedCount?: number;
    jitterBufferMinimumDelay?: number;
    jitterBufferTargetDelay?: number;
    keyFramesDecoded?: number;
    lastPacketReceivedTimestamp?: DOMHighResTimeStamp;
    mid?: string;
    nackCount?: number;
    packetsDiscarded?: number;
    pauseCount?: number;
    playoutId?: string;
    pliCount?: number;
    qpSum?: number;
    remoteId?: string;
    removedSamplesForAcceleration?: number;
    retransmittedBytesReceived?: number;
    retransmittedPacketsReceived?: number;
    rtxSsrc?: number;
    silentConcealedSamples?: number;
    totalAssemblyTime?: number;
    totalAudioEnergy?: number;
    totalDecodeTime?: number;
    totalFreezesDuration?: number;
    totalInterFrameDelay?: number;
    totalPausesDuration?: number;
    totalProcessingDelay?: number;
    totalSamplesDuration?: number;
    totalSamplesReceived?: number;
    totalSquaredInterFrameDelay?: number;
    trackIdentifier: string;
}

interface RTCLocalIceCandidateInit extends RTCIceCandidateInit {
}

interface RTCLocalSessionDescriptionInit {
    sdp?: string;
    type?: RTCSdpType;
}

interface RTCOfferAnswerOptions {
}

interface RTCOfferOptions extends RTCOfferAnswerOptions {
    iceRestart?: boolean;
    offerToReceiveAudio?: boolean;
    offerToReceiveVideo?: boolean;
}

interface RTCOutboundRtpStreamStats extends RTCSentRtpStreamStats {
    active?: boolean;
    firCount?: number;
    frameHeight?: number;
    frameWidth?: number;
    framesEncoded?: number;
    framesPerSecond?: number;
    framesSent?: number;
    headerBytesSent?: number;
    hugeFramesSent?: number;
    keyFramesEncoded?: number;
    mediaSourceId?: string;
    mid?: string;
    nackCount?: number;
    pliCount?: number;
    qpSum?: number;
    qualityLimitationDurations?: Record<string, number>;
    qualityLimitationReason?: RTCQualityLimitationReason;
    qualityLimitationResolutionChanges?: number;
    remoteId?: string;
    retransmittedBytesSent?: number;
    retransmittedPacketsSent?: number;
    rid?: string;
    rtxSsrc?: number;
    scalabilityMode?: string;
    targetBitrate?: number;
    totalEncodeTime?: number;
    totalEncodedBytesTarget?: number;
    totalPacketSendDelay?: number;
}

interface RTCPeerConnectionIceErrorEventInit extends EventInit {
    address?: string | null;
    errorCode: number;
    errorText?: string;
    port?: number | null;
    url?: string;
}

interface RTCPeerConnectionIceEventInit extends EventInit {
    candidate?: RTCIceCandidate | null;
}

interface RTCReceivedRtpStreamStats extends RTCRtpStreamStats {
    jitter?: number;
    packetsLost?: number;
    packetsReceived?: number;
}

interface RTCRtcpParameters {
    cname?: string;
    reducedSize?: boolean;
}

interface RTCRtpCapabilities {
    codecs: RTCRtpCodec[];
    headerExtensions: RTCRtpHeaderExtensionCapability[];
}

interface RTCRtpCodec {
    channels?: number;
    clockRate: number;
    mimeType: string;
    sdpFmtpLine?: string;
}

interface RTCRtpCodecParameters extends RTCRtpCodec {
    payloadType: number;
}

interface RTCRtpCodingParameters {
    rid?: string;
}

interface RTCRtpContributingSource {
    audioLevel?: number;
    rtpTimestamp: number;
    source: number;
    timestamp: DOMHighResTimeStamp;
}

interface RTCRtpEncodingParameters extends RTCRtpCodingParameters {
    active?: boolean;
    maxBitrate?: number;
    maxFramerate?: number;
    networkPriority?: RTCPriorityType;
    priority?: RTCPriorityType;
    scaleResolutionDownBy?: number;
}

interface RTCRtpHeaderExtensionCapability {
    uri: string;
}

interface RTCRtpHeaderExtensionParameters {
    encrypted?: boolean;
    id: number;
    uri: string;
}

interface RTCRtpParameters {
    codecs: RTCRtpCodecParameters[];
    headerExtensions: RTCRtpHeaderExtensionParameters[];
    rtcp: RTCRtcpParameters;
}

interface RTCRtpReceiveParameters extends RTCRtpParameters {
}

interface RTCRtpSendParameters extends RTCRtpParameters {
    degradationPreference?: RTCDegradationPreference;
    encodings: RTCRtpEncodingParameters[];
    transactionId: string;
}

interface RTCRtpStreamStats extends RTCStats {
    codecId?: string;
    kind: string;
    ssrc: number;
    transportId?: string;
}

interface RTCRtpSynchronizationSource extends RTCRtpContributingSource {
}

interface RTCRtpTransceiverInit {
    direction?: RTCRtpTransceiverDirection;
    sendEncodings?: RTCRtpEncodingParameters[];
    streams?: MediaStream[];
}

interface RTCSentRtpStreamStats extends RTCRtpStreamStats {
    bytesSent?: number;
    packetsSent?: number;
}

interface RTCSessionDescriptionInit {
    sdp?: string;
    type: RTCSdpType;
}

interface RTCSetParameterOptions {
}

interface RTCStats {
    id: string;
    timestamp: DOMHighResTimeStamp;
    type: RTCStatsType;
}

interface RTCTrackEventInit extends EventInit {
    receiver: RTCRtpReceiver;
    streams?: MediaStream[];
    track: MediaStreamTrack;
    transceiver: RTCRtpTransceiver;
}

interface RTCTransportStats extends RTCStats {
    bytesReceived?: number;
    bytesSent?: number;
    dtlsCipher?: string;
    dtlsRole?: RTCDtlsRole;
    dtlsState: RTCDtlsTransportState;
    iceLocalUsernameFragment?: string;
    iceRole?: RTCIceRole;
    iceState?: RTCIceTransportState;
    localCertificateId?: string;
    packetsReceived?: number;
    packetsSent?: number;
    remoteCertificateId?: string;
    selectedCandidatePairChanges?: number;
    selectedCandidatePairId?: string;
    srtpCipher?: string;
    tlsVersion?: string;
}

interface ReadableStreamBYOBReaderReadOptions {
    min?: number;
}

interface ReadableStreamGetReaderOptions {
    /**
     * Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
     *
     * This call behaves the same way as the no-argument variant, except that it only works on readable byte streams, i.e. streams which were constructed specifically with the ability to handle "bring your own buffer" reading. The returned BYOB reader provides the ability to directly read individual chunks from the stream via its read() method, into developer-supplied buffers, allowing more precise control over allocation.
     */
    mode?: ReadableStreamReaderMode;
}

interface ReadableStreamIteratorOptions {
    /**
     * Asynchronously iterates over the chunks in the stream's internal queue.
     *
     * Asynchronously iterating over the stream will lock it, preventing any other consumer from acquiring a reader. The lock will be released if the async iterator's return() method is called, e.g. by breaking out of the loop.
     *
     * By default, calling the async iterator's return() method will also cancel the stream. To prevent this, use the stream's values() method, passing true for the preventCancel option.
     */
    preventCancel?: boolean;
}

interface ReadableStreamReadDoneResult<T> {
    done: true;
    value: T | undefined;
}

interface ReadableStreamReadValueResult<T> {
    done: false;
    value: T;
}

interface ReadableWritablePair<R = any, W = any> {
    readable: ReadableStream<R>;
    /**
     * Provides a convenient, chainable way of piping this readable stream through a transform stream (or any other { writable, readable } pair). It simply pipes the stream into the writable side of the supplied pair, and returns the readable side for further use.
     *
     * Piping a stream will lock it for the duration of the pipe, preventing any other consumer from acquiring a reader.
     */
    writable: WritableStream<W>;
}

interface RegistrationOptions {
    scope?: string;
    type?: WorkerType;
    updateViaCache?: ServiceWorkerUpdateViaCache;
}

interface RegistrationResponseJSON {
    authenticatorAttachment?: string;
    clientExtensionResults: AuthenticationExtensionsClientOutputsJSON;
    id: string;
    rawId: Base64URLString;
    response: AuthenticatorAttestationResponseJSON;
    type: string;
}

interface Report {
    body?: ReportBody | null;
    type?: string;
    url?: string;
}

interface ReportBody {
}

interface ReportingObserverOptions {
    buffered?: boolean;
    types?: string[];
}

interface RequestInit {
    /** A BodyInit object or null to set request's body. */
    body?: BodyInit | null;
    /** A string indicating how the request will interact with the browser's cache to set request's cache. */
    cache?: RequestCache;
    /** A string indicating whether credentials will be sent with the request always, never, or only when sent to a same-origin URL. Sets request's credentials. */
    credentials?: RequestCredentials;
    /** A Headers object, an object literal, or an array of two-item arrays to set request's headers. */
    headers?: HeadersInit;
    /** A cryptographic hash of the resource to be fetched by request. Sets request's integrity. */
    integrity?: string;
    /** A boolean to set request's keepalive. */
    keepalive?: boolean;
    /** A string to set request's method. */
    method?: string;
    /** A string to indicate whether the request will use CORS, or will be restricted to same-origin URLs. Sets request's mode. */
    mode?: RequestMode;
    priority?: RequestPriority;
    /** A string indicating whether request follows redirects, results in an error upon encountering a redirect, or returns the redirect (in an opaque fashion). Sets request's redirect. */
    redirect?: RequestRedirect;
    /** A string whose value is a same-origin URL, "about:client", or the empty string, to set request's referrer. */
    referrer?: string;
    /** A referrer policy to set request's referrerPolicy. */
    referrerPolicy?: ReferrerPolicy;
    /** An AbortSignal to set request's signal. */
    signal?: AbortSignal | null;
    /** Can only be null. Used to disassociate request from any Window. */
    window?: null;
}

interface ResizeObserverOptions {
    box?: ResizeObserverBoxOptions;
}

interface ResponseInit {
    headers?: HeadersInit;
    status?: number;
    statusText?: string;
}

interface RsaHashedImportParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
}

interface RsaHashedKeyAlgorithm extends RsaKeyAlgorithm {
    hash: KeyAlgorithm;
}

interface RsaHashedKeyGenParams extends RsaKeyGenParams {
    hash: HashAlgorithmIdentifier;
}

interface RsaKeyAlgorithm extends KeyAlgorithm {
    modulusLength: number;
    publicExponent: BigInteger;
}

interface RsaKeyGenParams extends Algorithm {
    modulusLength: number;
    publicExponent: BigInteger;
}

interface RsaOaepParams extends Algorithm {
    label?: BufferSource;
}

interface RsaOtherPrimesInfo {
    d?: string;
    r?: string;
    t?: string;
}

interface RsaPssParams extends Algorithm {
    saltLength: number;
}

interface SVGBoundingBoxOptions {
    clipped?: boolean;
    fill?: boolean;
    markers?: boolean;
    stroke?: boolean;
}

interface SanitizerAttributeNamespace {
    name: string;
    namespace?: string | null;
}

interface SanitizerConfig {
    attributes?: SanitizerAttribute[];
    comments?: boolean;
    dataAttributes?: boolean;
    elements?: SanitizerElementWithAttributes[];
    removeAttributes?: SanitizerAttribute[];
    removeElements?: SanitizerElement[];
    replaceWithChildrenElements?: SanitizerElement[];
}

interface SanitizerElementNamespace {
    name: string;
    namespace?: string | null;
}

interface SanitizerElementNamespaceWithAttributes extends SanitizerElementNamespace {
    attributes?: SanitizerAttribute[];
    removeAttributes?: SanitizerAttribute[];
}

interface SchedulerPostTaskOptions {
    delay?: number;
    priority?: TaskPriority;
    signal?: AbortSignal;
}

interface ScrollIntoViewOptions extends ScrollOptions {
    block?: ScrollLogicalPosition;
    inline?: ScrollLogicalPosition;
}

interface ScrollOptions {
    behavior?: ScrollBehavior;
}

interface ScrollTimelineOptions {
    axis?: ScrollAxis;
    source?: Element | null;
}

interface ScrollToOptions extends ScrollOptions {
    left?: number;
    top?: number;
}

interface SecurityPolicyViolationEventInit extends EventInit {
    blockedURI?: string;
    columnNumber?: number;
    disposition?: SecurityPolicyViolationEventDisposition;
    documentURI?: string;
    effectiveDirective?: string;
    lineNumber?: number;
    originalPolicy?: string;
    referrer?: string;
    sample?: string;
    sourceFile?: string;
    statusCode?: number;
    violatedDirective?: string;
}

interface ShadowRootInit {
    clonable?: boolean;
    customElementRegistry?: CustomElementRegistry | null;
    delegatesFocus?: boolean;
    mode: ShadowRootMode;
    serializable?: boolean;
    slotAssignment?: SlotAssignmentMode;
}

interface ShareData {
    files?: File[];
    text?: string;
    title?: string;
    url?: string;
}

interface ShowPopoverOptions {
    source?: HTMLElement;
}

interface SpeechRecognitionErrorEventInit extends EventInit {
    error: SpeechRecognitionErrorCode;
    message?: string;
}

interface SpeechRecognitionEventInit extends EventInit {
    resultIndex?: number;
    results: SpeechRecognitionResultList;
}

interface SpeechSynthesisErrorEventInit extends SpeechSynthesisEventInit {
    error: SpeechSynthesisErrorCode;
}

interface SpeechSynthesisEventInit extends EventInit {
    charIndex?: number;
    charLength?: number;
    elapsedTime?: number;
    name?: string;
    utterance: SpeechSynthesisUtterance;
}

interface StartViewTransitionOptions {
    types?: string[] | null;
    update?: ViewTransitionUpdateCallback | null;
}

interface StaticRangeInit {
    endContainer: Node;
    endOffset: number;
    startContainer: Node;
    startOffset: number;
}

interface StereoPannerOptions extends AudioNodeOptions {
    pan?: number;
}

interface StorageEstimate {
    quota?: number;
    usage?: number;
}

interface StorageEventInit extends EventInit {
    key?: string | null;
    newValue?: string | null;
    oldValue?: string | null;
    storageArea?: Storage | null;
    url?: string;
}

interface StreamPipeOptions {
    preventAbort?: boolean;
    preventCancel?: boolean;
    /**
     * Pipes this readable stream to a given writable stream destination. The way in which the piping process behaves under various error conditions can be customized with a number of passed options. It returns a promise that fulfills when the piping process completes successfully, or rejects if any errors were encountered.
     *
     * Piping a stream will lock it for the duration of the pipe, preventing any other consumer from acquiring a reader.
     *
     * Errors and closures of the source and destination streams propagate as follows:
     *
     * An error in this source readable stream will abort destination, unless preventAbort is truthy. The returned promise will be rejected with the source's error, or with any error that occurs during aborting the destination.
     *
     * An error in destination will cancel this source readable stream, unless preventCancel is truthy. The returned promise will be rejected with the destination's error, or with any error that occurs during canceling the source.
     *
     * When this source readable stream closes, destination will be closed, unless preventClose is truthy. The returned promise will be fulfilled once this process completes, unless an error is encountered while closing the destination, in which case it will be rejected with that error.
     *
     * If destination starts out closed or closing, this source readable stream will be canceled, unless preventCancel is true. The returned promise will be rejected with an error indicating piping to a closed stream failed, or with any error that occurs during canceling the source.
     *
     * The signal option can be set to an AbortSignal to allow aborting an ongoing pipe operation via the corresponding AbortController. In this case, this source readable stream will be canceled, and destination aborted, unless the respective options preventCancel or preventAbort are set.
     */
    preventClose?: boolean;
    signal?: AbortSignal;
}

interface StructuredSerializeOptions {
    transfer?: Transferable[];
}

interface SubmitEventInit extends EventInit {
    submitter?: HTMLElement | null;
}

interface SvcOutputMetadata {
    temporalLayerId?: number;
}

interface TaskControllerInit {
    priority?: TaskPriority;
}

interface TaskPriorityChangeEventInit extends EventInit {
    previousPriority: TaskPriority;
}

interface TaskSignalAnyInit {
    priority?: TaskPriority | TaskSignal;
}

interface TextDecodeOptions {
    stream?: boolean;
}

interface TextDecoderOptions {
    fatal?: boolean;
    ignoreBOM?: boolean;
}

interface TextEncoderEncodeIntoResult {
    read: number;
    written: number;
}

interface TimelineRangeOffset {
    offset?: CSSNumericValue;
    rangeName?: string | null;
}

interface ToggleEventInit extends EventInit {
    newState?: string;
    oldState?: string;
    source?: Element | null;
}

interface TogglePopoverOptions extends ShowPopoverOptions {
    force?: boolean;
}

interface TouchEventInit extends EventModifierInit {
    changedTouches?: Touch[];
    targetTouches?: Touch[];
    touches?: Touch[];
}

interface TouchInit {
    altitudeAngle?: number;
    azimuthAngle?: number;
    clientX?: number;
    clientY?: number;
    force?: number;
    identifier: number;
    pageX?: number;
    pageY?: number;
    radiusX?: number;
    radiusY?: number;
    rotationAngle?: number;
    screenX?: number;
    screenY?: number;
    target: EventTarget;
    touchType?: TouchType;
}

interface TrackEventInit extends EventInit {
    track?: TextTrack | null;
}

interface Transformer<I = any, O = any> {
    flush?: TransformerFlushCallback<O>;
    readableType?: undefined;
    start?: TransformerStartCallback<O>;
    transform?: TransformerTransformCallback<I, O>;
    writableType?: undefined;
}

interface TransitionEventInit extends EventInit {
    elapsedTime?: number;
    propertyName?: string;
    pseudoElement?: string;
}

interface UIEventInit extends EventInit {
    detail?: number;
    view?: Window | null;
    /** @deprecated */
    which?: number;
}

interface ULongRange {
    max?: number;
    min?: number;
}

interface URLPatternComponentResult {
    groups: Record<string, string | undefined>;
    input: string;
}

interface URLPatternInit {
    baseURL?: string;
    hash?: string;
    hostname?: string;
    password?: string;
    pathname?: string;
    port?: string;
    protocol?: string;
    search?: string;
    username?: string;
}

interface URLPatternOptions {
    ignoreCase?: boolean;
}

interface URLPatternResult {
    hash: URLPatternComponentResult;
    hostname: URLPatternComponentResult;
    inputs: URLPatternInput[];
    password: URLPatternComponentResult;
    pathname: URLPatternComponentResult;
    port: URLPatternComponentResult;
    protocol: URLPatternComponentResult;
    search: URLPatternComponentResult;
    username: URLPatternComponentResult;
}

interface UnderlyingByteSource {
    autoAllocateChunkSize?: number;
    cancel?: UnderlyingSourceCancelCallback;
    pull?: (controller: ReadableByteStreamController) => void | PromiseLike<void>;
    start?: (controller: ReadableByteStreamController) => any;
    type: "bytes";
}

interface UnderlyingDefaultSource<R = any> {
    cancel?: UnderlyingSourceCancelCallback;
    pull?: (controller: ReadableStreamDefaultController<R>) => void | PromiseLike<void>;
    start?: (controller: ReadableStreamDefaultController<R>) => any;
    type?: undefined;
}

interface UnderlyingSink<W = any> {
    abort?: UnderlyingSinkAbortCallback;
    close?: UnderlyingSinkCloseCallback;
    start?: UnderlyingSinkStartCallback;
    type?: undefined;
    write?: UnderlyingSinkWriteCallback<W>;
}

interface UnderlyingSource<R = any> {
    autoAllocateChunkSize?: number;
    cancel?: UnderlyingSourceCancelCallback;
    pull?: UnderlyingSourcePullCallback<R>;
    start?: UnderlyingSourceStartCallback<R>;
    type?: ReadableStreamType;
}

interface UnknownCredentialOptions {
    credentialId: Base64URLString;
    rpId: string;
}

interface ValidityStateFlags {
    badInput?: boolean;
    customError?: boolean;
    patternMismatch?: boolean;
    rangeOverflow?: boolean;
    rangeUnderflow?: boolean;
    stepMismatch?: boolean;
    tooLong?: boolean;
    tooShort?: boolean;
    typeMismatch?: boolean;
    valueMissing?: boolean;
}

interface VideoColorSpaceInit {
    fullRange?: boolean | null;
    matrix?: VideoMatrixCoefficients | null;
    primaries?: VideoColorPrimaries | null;
    transfer?: VideoTransferCharacteristics | null;
}

interface VideoConfiguration {
    bitrate: number;
    colorGamut?: ColorGamut;
    contentType: string;
    framerate: number;
    hasAlphaChannel?: boolean;
    hdrMetadataType?: HdrMetadataType;
    height: number;
    scalabilityMode?: string;
    transferFunction?: TransferFunction;
    width: number;
}

interface VideoDecoderConfig {
    codec: string;
    codedHeight?: number;
    codedWidth?: number;
    colorSpace?: VideoColorSpaceInit;
    description?: AllowSharedBufferSource;
    displayAspectHeight?: number;
    displayAspectWidth?: number;
    hardwareAcceleration?: HardwareAcceleration;
    optimizeForLatency?: boolean;
}

interface VideoDecoderInit {
    error: WebCodecsErrorCallback;
    output: VideoFrameOutputCallback;
}

interface VideoDecoderSupport {
    config?: VideoDecoderConfig;
    supported?: boolean;
}

interface VideoEncoderConfig {
    alpha?: AlphaOption;
    avc?: AvcEncoderConfig;
    bitrate?: number;
    bitrateMode?: VideoEncoderBitrateMode;
    codec: string;
    contentHint?: string;
    displayHeight?: number;
    displayWidth?: number;
    framerate?: number;
    hardwareAcceleration?: HardwareAcceleration;
    height: number;
    latencyMode?: LatencyMode;
    scalabilityMode?: string;
    width: number;
}

interface VideoEncoderEncodeOptions {
    avc?: VideoEncoderEncodeOptionsForAvc;
    keyFrame?: boolean;
}

interface VideoEncoderEncodeOptionsForAvc {
    quantizer?: number | null;
}

interface VideoEncoderInit {
    error: WebCodecsErrorCallback;
    output: EncodedVideoChunkOutputCallback;
}

interface VideoEncoderSupport {
    config?: VideoEncoderConfig;
    supported?: boolean;
}

interface VideoFrameBufferInit {
    codedHeight: number;
    codedWidth: number;
    colorSpace?: VideoColorSpaceInit;
    displayHeight?: number;
    displayWidth?: number;
    duration?: number;
    format: VideoPixelFormat;
    layout?: PlaneLayout[];
    timestamp: number;
    visibleRect?: DOMRectInit;
}

interface VideoFrameCallbackMetadata {
    captureTime?: DOMHighResTimeStamp;
    expectedDisplayTime: DOMHighResTimeStamp;
    height: number;
    mediaTime: number;
    presentationTime: DOMHighResTimeStamp;
    presentedFrames: number;
    processingDuration?: number;
    receiveTime?: DOMHighResTimeStamp;
    rtpTimestamp?: number;
    width: number;
}

interface VideoFrameCopyToOptions {
    colorSpace?: PredefinedColorSpace;
    format?: VideoPixelFormat;
    layout?: PlaneLayout[];
    rect?: DOMRectInit;
}

interface VideoFrameInit {
    alpha?: AlphaOption;
    displayHeight?: number;
    displayWidth?: number;
    duration?: number;
    timestamp?: number;
    visibleRect?: DOMRectInit;
}

interface ViewTimelineOptions {
    axis?: ScrollAxis;
    inset?: string | (CSSNumericValue | CSSKeywordValue)[];
    subject?: Element;
}

interface WaveShaperOptions extends AudioNodeOptions {
    curve?: number[] | Float32Array;
    oversample?: OverSampleType;
}

interface WebGLContextAttributes {
    alpha?: boolean;
    antialias?: boolean;
    depth?: boolean;
    desynchronized?: boolean;
    failIfMajorPerformanceCaveat?: boolean;
    powerPreference?: WebGLPowerPreference;
    premultipliedAlpha?: boolean;
    preserveDrawingBuffer?: boolean;
    stencil?: boolean;
    xrCompatible?: boolean;
}

interface WebGLContextEventInit extends EventInit {
    statusMessage?: string;
}

interface WebTransportCloseInfo {
    closeCode?: number;
    reason?: string;
}

interface WebTransportErrorOptions {
    source?: WebTransportErrorSource;
    streamErrorCode?: number | null;
}

interface WebTransportHash {
    algorithm: string;
    value: BufferSource;
}

interface WebTransportOptions {
    allowPooling?: boolean;
    congestionControl?: WebTransportCongestionControl;
    protocols?: string[];
    requireUnreliable?: boolean;
    serverCertificateHashes?: WebTransportHash[];
}

interface WebTransportSendOptions {
    sendOrder?: number;
}

interface WebTransportSendStreamOptions extends WebTransportSendOptions {
}

interface WheelEventInit extends MouseEventInit {
    deltaMode?: number;
    deltaX?: number;
    deltaY?: number;
    deltaZ?: number;
}

interface WindowPostMessageOptions extends StructuredSerializeOptions {
    targetOrigin?: string;
}

interface WorkerOptions {
    credentials?: RequestCredentials;
    name?: string;
    type?: WorkerType;
}

interface WorkletOptions {
    credentials?: RequestCredentials;
}

interface WriteParams {
    data?: BufferSource | Blob | string | null;
    position?: number | null;
    size?: number | null;
    type: WriteCommandType;
}

type NodeFilter = ((node: Node) => number) | { acceptNode(node: Node): number; };

declare var NodeFilter: {
    readonly FILTER_ACCEPT: 1;
    readonly FILTER_REJECT: 2;
    readonly FILTER_SKIP: 3;
    readonly SHOW_ALL: 0xFFFFFFFF;
    readonly SHOW_ELEMENT: 0x1;
    readonly SHOW_ATTRIBUTE: 0x2;
    readonly SHOW_TEXT: 0x4;
    readonly SHOW_CDATA_SECTION: 0x8;
    readonly SHOW_ENTITY_REFERENCE: 0x10;
    readonly SHOW_ENTITY: 0x20;
    readonly SHOW_PROCESSING_INSTRUCTION: 0x40;
    readonly SHOW_COMMENT: 0x80;
    readonly SHOW_DOCUMENT: 0x100;
    readonly SHOW_DOCUMENT_TYPE: 0x200;
    readonly SHOW_DOCUMENT_FRAGMENT: 0x400;
    readonly SHOW_NOTATION: 0x800;
};

type XPathNSResolver = ((prefix: string | null) => string | null) | { lookupNamespaceURI(prefix: string | null): string | null; };

/**
 * The **`ANGLE_instanced_arrays`** extension is part of the WebGL API and allows to draw the same object, or groups of similar objects multiple times, if they share the same vertex data, primitive count and type.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ANGLE_instanced_arrays)
 */
interface ANGLE_instanced_arrays {
    /**
     * The **`ANGLE_instanced_arrays.drawArraysInstancedANGLE()`** method of the WebGL API renders primitives from array data like the gl.drawArrays() method. In addition, it can execute multiple instances of the range of elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ANGLE_instanced_arrays/drawArraysInstancedANGLE)
     */
    drawArraysInstancedANGLE(mode: GLenum, first: GLint, count: GLsizei, primcount: GLsizei): void;
    /**
     * The **`ANGLE_instanced_arrays.drawElementsInstancedANGLE()`** method of the WebGL API renders primitives from array data like the gl.drawElements() method. In addition, it can execute multiple instances of a set of elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ANGLE_instanced_arrays/drawElementsInstancedANGLE)
     */
    drawElementsInstancedANGLE(mode: GLenum, count: GLsizei, type: GLenum, offset: GLintptr, primcount: GLsizei): void;
    /**
     * The **`ANGLE_instanced_arrays.vertexAttribDivisorANGLE()`** method of the WebGL API modifies the rate at which generic vertex attributes advance when rendering multiple instances of primitives with ext.drawArraysInstancedANGLE() and ext.drawElementsInstancedANGLE().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ANGLE_instanced_arrays/vertexAttribDivisorANGLE)
     */
    vertexAttribDivisorANGLE(index: GLuint, divisor: GLuint): void;
    readonly VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE: 0x88FE;
}

interface ARIAMixin {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaActiveDescendantElement) */
    ariaActiveDescendantElement: Element | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaAtomic) */
    ariaAtomic: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaAutoComplete) */
    ariaAutoComplete: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaBrailleLabel) */
    ariaBrailleLabel: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaBrailleRoleDescription) */
    ariaBrailleRoleDescription: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaBusy) */
    ariaBusy: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaChecked) */
    ariaChecked: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColCount) */
    ariaColCount: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColIndex) */
    ariaColIndex: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColIndexText) */
    ariaColIndexText: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColSpan) */
    ariaColSpan: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaControlsElements) */
    ariaControlsElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaCurrent) */
    ariaCurrent: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaDescribedByElements) */
    ariaDescribedByElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaDescription) */
    ariaDescription: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaDetailsElements) */
    ariaDetailsElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaDisabled) */
    ariaDisabled: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaErrorMessageElements) */
    ariaErrorMessageElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaExpanded) */
    ariaExpanded: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaFlowToElements) */
    ariaFlowToElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaHasPopup) */
    ariaHasPopup: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaHidden) */
    ariaHidden: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaInvalid) */
    ariaInvalid: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaKeyShortcuts) */
    ariaKeyShortcuts: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaLabel) */
    ariaLabel: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaLabelledByElements) */
    ariaLabelledByElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaLevel) */
    ariaLevel: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaLive) */
    ariaLive: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaModal) */
    ariaModal: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaMultiLine) */
    ariaMultiLine: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaMultiSelectable) */
    ariaMultiSelectable: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaOrientation) */
    ariaOrientation: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaOwnsElements) */
    ariaOwnsElements: ReadonlyArray<Element> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaPlaceholder) */
    ariaPlaceholder: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaPosInSet) */
    ariaPosInSet: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaPressed) */
    ariaPressed: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaReadOnly) */
    ariaReadOnly: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRelevant) */
    ariaRelevant: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRequired) */
    ariaRequired: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRoleDescription) */
    ariaRoleDescription: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowCount) */
    ariaRowCount: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowIndex) */
    ariaRowIndex: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowIndexText) */
    ariaRowIndexText: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowSpan) */
    ariaRowSpan: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaSelected) */
    ariaSelected: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaSetSize) */
    ariaSetSize: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaSort) */
    ariaSort: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaValueMax) */
    ariaValueMax: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaValueMin) */
    ariaValueMin: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaValueNow) */
    ariaValueNow: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaValueText) */
    ariaValueText: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/role) */
    role: string | null;
}

/**
 * The **`AbortController`** interface represents a controller object that allows you to abort one or more Web requests as and when desired.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortController)
 */
interface AbortController {
    /**
     * The **`signal`** read-only property of the AbortController interface returns an AbortSignal object instance, which can be used to communicate with/abort an asynchronous operation as desired.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortController/signal)
     */
    readonly signal: AbortSignal;
    /**
     * The **`abort()`** method of the AbortController interface aborts an asynchronous operation before it has completed. This is able to abort fetch requests, the consumption of any response bodies, or streams.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortController/abort)
     */
    abort(reason?: any): void;
}

declare var AbortController: {
    prototype: AbortController;
    new(): AbortController;
};

interface AbortSignalEventMap {
    "abort": Event;
}

/**
 * The **`AbortSignal`** interface represents a signal object that allows you to communicate with an asynchronous operation (such as a fetch request) and abort it if required via an AbortController object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal)
 */
interface AbortSignal extends EventTarget {
    /**
     * The **`aborted`** read-only property returns a value that indicates whether the asynchronous operations the signal is communicating with are aborted (true) or not (false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/aborted)
     */
    readonly aborted: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/abort_event) */
    onabort: ((this: AbortSignal, ev: Event) => any) | null;
    /**
     * The **`reason`** read-only property returns a JavaScript value that indicates the abort reason.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/reason)
     */
    readonly reason: any;
    /**
     * The **`throwIfAborted()`** method throws the signal's abort reason if the signal has been aborted; otherwise it does nothing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/throwIfAborted)
     */
    throwIfAborted(): void;
    addEventListener<K extends keyof AbortSignalEventMap>(type: K, listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AbortSignalEventMap>(type: K, listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AbortSignal: {
    prototype: AbortSignal;
    new(): AbortSignal;
    /**
     * The **`AbortSignal.abort()`** static method returns an AbortSignal that is already set as aborted (and which does not trigger an abort event).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/abort_static)
     */
    abort(reason?: any): AbortSignal;
    /**
     * The **`AbortSignal.any()`** static method takes an iterable of abort signals and returns an AbortSignal. The returned abort signal is aborted when any of the input iterable abort signals are aborted. The abort reason will be set to the reason of the first signal that is aborted. If any of the given abort signals are already aborted then so will be the returned AbortSignal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/any_static)
     */
    any(signals: AbortSignal[]): AbortSignal;
    /**
     * The **`AbortSignal.timeout()`** static method returns an AbortSignal that will automatically abort after a specified time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbortSignal/timeout_static)
     */
    timeout(milliseconds: number): AbortSignal;
};

/**
 * The **`AbstractRange`** abstract interface is the base class upon which all DOM range types are defined. A range is an object that indicates the start and end points of a section of content within the document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange)
 */
interface AbstractRange {
    /**
     * The read-only **`collapsed`** property of the AbstractRange interface returns true if the range's start position and end position are the same.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange/collapsed)
     */
    readonly collapsed: boolean;
    /**
     * The read-only **`endContainer`** property of the AbstractRange interface returns the Node in which the end of the range is located.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange/endContainer)
     */
    readonly endContainer: Node;
    /**
     * The **`endOffset`** property of the AbstractRange interface returns the offset into the end node of the range's end position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange/endOffset)
     */
    readonly endOffset: number;
    /**
     * The read-only **`startContainer`** property of the AbstractRange interface returns the Node in which the start of the range is located.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange/startContainer)
     */
    readonly startContainer: Node;
    /**
     * The read-only **`startOffset`** property of the AbstractRange interface returns the offset into the start node of the range's start position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AbstractRange/startOffset)
     */
    readonly startOffset: number;
}

declare var AbstractRange: {
    prototype: AbstractRange;
    new(): AbstractRange;
};

interface AbstractWorkerEventMap {
    "error": ErrorEvent;
}

interface AbstractWorker {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker/error_event) */
    onerror: ((this: AbstractWorker, ev: ErrorEvent) => any) | null;
    addEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: AbstractWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: AbstractWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/**
 * The **`AnalyserNode`** interface represents a node able to provide real-time frequency and time-domain analysis information. It is an AudioNode that passes the audio stream unchanged from the input to the output, but allows you to take the generated data, process it, and create audio visualizations.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode)
 */
interface AnalyserNode extends AudioNode {
    /**
     * The **`fftSize`** property of the AnalyserNode interface is an unsigned long value and represents the window size in samples that is used when performing a Fast Fourier Transform (FFT) to get frequency domain data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/fftSize)
     */
    fftSize: number;
    /**
     * The **`frequencyBinCount`** read-only property of the AnalyserNode interface contains the total number of data points available to AudioContext sampleRate. This is half of the value of the AnalyserNode.fftSize. The two methods' indices have a linear relationship with the frequencies they represent, between 0 and the Nyquist frequency.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/frequencyBinCount)
     */
    readonly frequencyBinCount: number;
    /**
     * The **`maxDecibels`** property of the AnalyserNode interface is a double value representing the maximum power value in the scaling range for the FFT analysis data, for conversion to unsigned byte values — basically, this specifies the maximum value for the range of results when using getByteFrequencyData().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/maxDecibels)
     */
    maxDecibels: number;
    /**
     * The **`minDecibels`** property of the AnalyserNode interface is a double value representing the minimum power value in the scaling range for the FFT analysis data, for conversion to unsigned byte values — basically, this specifies the minimum value for the range of results when using getByteFrequencyData().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/minDecibels)
     */
    minDecibels: number;
    /**
     * The **`smoothingTimeConstant`** property of the AnalyserNode interface is a double value representing the averaging constant with the last analysis frame. It's basically an average between the current buffer and the last buffer the AnalyserNode processed, and results in a much smoother set of value changes over time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/smoothingTimeConstant)
     */
    smoothingTimeConstant: number;
    /**
     * The **`getByteFrequencyData()`** method of the AnalyserNode interface copies the current frequency data into a Uint8Array (unsigned byte array) passed into it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/getByteFrequencyData)
     */
    getByteFrequencyData(array: Uint8Array<ArrayBuffer>): void;
    /**
     * The **`getByteTimeDomainData()`** method of the AnalyserNode Interface copies the current waveform, or time-domain, data into a Uint8Array (unsigned byte array) passed into it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/getByteTimeDomainData)
     */
    getByteTimeDomainData(array: Uint8Array<ArrayBuffer>): void;
    /**
     * The **`getFloatFrequencyData()`** method of the AnalyserNode Interface copies the current frequency data into a Float32Array array passed into it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/getFloatFrequencyData)
     */
    getFloatFrequencyData(array: Float32Array<ArrayBuffer>): void;
    /**
     * The **`getFloatTimeDomainData()`** method of the AnalyserNode Interface copies the current waveform, or time-domain, data into a Float32Array array passed into it. Each array value is a sample, the magnitude of the signal at a particular time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnalyserNode/getFloatTimeDomainData)
     */
    getFloatTimeDomainData(array: Float32Array<ArrayBuffer>): void;
}

declare var AnalyserNode: {
    prototype: AnalyserNode;
    new(context: BaseAudioContext, options?: AnalyserOptions): AnalyserNode;
};

interface Animatable {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animate) */
    animate(keyframes: Keyframe[] | PropertyIndexedKeyframes | null, options?: number | KeyframeAnimationOptions): Animation;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAnimations) */
    getAnimations(options?: GetAnimationsOptions): Animation[];
}

interface AnimationEventMap {
    "cancel": AnimationPlaybackEvent;
    "finish": AnimationPlaybackEvent;
    "remove": AnimationPlaybackEvent;
}

/**
 * The **`Animation`** interface of the Web Animations API represents a single animation player and provides playback controls and a timeline for an animation node or source.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation)
 */
interface Animation extends EventTarget {
    /**
     * The **`Animation.currentTime`** property of the Web Animations API returns and sets the current time value of the animation in milliseconds, whether running or paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/currentTime)
     */
    currentTime: CSSNumberish | null;
    /**
     * The **`Animation.effect`** property of the Web Animations API gets and sets the target effect of an animation. The target effect may be either an effect object of a type based on AnimationEffect, such as KeyframeEffect, or null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/effect)
     */
    effect: AnimationEffect | null;
    /**
     * The **`Animation.finished`** read-only property of the Web Animations API returns a Promise which resolves once the animation has finished playing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/finished)
     */
    readonly finished: Promise<Animation>;
    /**
     * The **`Animation.id`** property of the Web Animations API returns or sets a string used to identify the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/id)
     */
    id: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/cancel_event) */
    oncancel: ((this: Animation, ev: AnimationPlaybackEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/finish_event) */
    onfinish: ((this: Animation, ev: AnimationPlaybackEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/remove_event) */
    onremove: ((this: Animation, ev: AnimationPlaybackEvent) => any) | null;
    /**
     * The **`overallProgress`** read-only property of the Animation interface returns a number between 0 and 1 indicating the animation's overall progress towards its finished state. This is the overall progress across all of the animation's iterations, not each individual iteration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/overallProgress)
     */
    readonly overallProgress: number | null;
    /**
     * The read-only **`Animation.pending`** property of the Web Animations API indicates whether the animation is currently waiting for an asynchronous operation such as initiating playback or pausing a running animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/pending)
     */
    readonly pending: boolean;
    /**
     * The read-only **`Animation.playState`** property of the Web Animations API returns an enumerated value describing the playback state of an animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/playState)
     */
    readonly playState: AnimationPlayState;
    /**
     * The **`Animation.playbackRate`** property of the Web Animations API returns or sets the playback rate of the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/playbackRate)
     */
    playbackRate: number;
    /**
     * The read-only **`Animation.ready`** property of the Web Animations API returns a Promise which resolves when the animation is ready to play. A new promise is created every time the animation enters the "pending" play state as well as when the animation is canceled, since in both of those scenarios, the animation is ready to be started again.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/ready)
     */
    readonly ready: Promise<Animation>;
    /**
     * The read-only **`Animation.replaceState`** property of the Web Animations API indicates whether the animation has been removed by the browser automatically after being replaced by another animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/replaceState)
     */
    readonly replaceState: AnimationReplaceState;
    /**
     * The **`Animation.startTime`** property of the Animation interface is a double-precision floating-point value which indicates the scheduled time when an animation's playback should begin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/startTime)
     */
    startTime: CSSNumberish | null;
    /**
     * The **`Animation.timeline`** property of the Animation interface returns or sets the timeline associated with this animation. A timeline is a source of time values for synchronization purposes, and is an AnimationTimeline-based object. By default, the animation's timeline and the Document's timeline are the same.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/timeline)
     */
    timeline: AnimationTimeline | null;
    /**
     * The Web Animations API's **`cancel()`** method of the Animation interface clears all KeyframeEffects caused by this animation and aborts its playback.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/cancel)
     */
    cancel(): void;
    /**
     * The **`commitStyles()`** method of the Web Animations API's Animation interface writes the computed values of the animation's current styles into its target element's style attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/commitStyles)
     */
    commitStyles(): void;
    /**
     * The **`finish()`** method of the Web Animations API's Animation Interface sets the current playback time to the end of the animation corresponding to the current playback direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/finish)
     */
    finish(): void;
    /**
     * The **`pause()`** method of the Web Animations API's Animation interface suspends playback of the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/pause)
     */
    pause(): void;
    /**
     * The **`persist()`** method of the Web Animations API's Animation interface explicitly persists an animation, preventing it from being automatically removed when it is replaced by another animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/persist)
     */
    persist(): void;
    /**
     * The **`play()`** method of the Web Animations API's Animation Interface starts or resumes playing of an animation. If the animation is finished, calling play() restarts the animation, playing it from the beginning.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/play)
     */
    play(): void;
    /**
     * The **`Animation.reverse()`** method of the Animation Interface reverses the playback direction, meaning the animation ends at its beginning. If called on an unplayed animation, the whole animation is played backwards. If called on a paused animation, the animation will continue in reverse.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/reverse)
     */
    reverse(): void;
    /**
     * The **`updatePlaybackRate()`** method of the Web Animations API's Animation Interface sets the speed of an animation after first synchronizing its playback position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Animation/updatePlaybackRate)
     */
    updatePlaybackRate(playbackRate: number): void;
    addEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: Animation, ev: AnimationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: Animation, ev: AnimationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Animation: {
    prototype: Animation;
    new(effect?: AnimationEffect | null, timeline?: AnimationTimeline | null): Animation;
};

/**
 * The **`AnimationEffect`** interface of the Web Animations API is an interface representing animation effects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEffect)
 */
interface AnimationEffect {
    /**
     * The **`getComputedTiming()`** method of the AnimationEffect interface returns the calculated timing properties for this animation effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEffect/getComputedTiming)
     */
    getComputedTiming(): ComputedEffectTiming;
    /**
     * The **`AnimationEffect.getTiming()`** method of the AnimationEffect interface returns an object containing the timing properties for the Animation Effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEffect/getTiming)
     */
    getTiming(): EffectTiming;
    /**
     * The **`updateTiming()`** method of the AnimationEffect interface updates the specified timing properties for an animation effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEffect/updateTiming)
     */
    updateTiming(timing?: OptionalEffectTiming): void;
}

declare var AnimationEffect: {
    prototype: AnimationEffect;
    new(): AnimationEffect;
};

/**
 * The **`AnimationEvent`** interface represents events providing information related to animations.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEvent)
 */
interface AnimationEvent extends Event {
    /**
     * The **`AnimationEvent.animationName`** read-only property is a string containing the value of the animation-name CSS property associated with the transition.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEvent/animationName)
     */
    readonly animationName: string;
    /**
     * The **`AnimationEvent.elapsedTime`** read-only property is a float giving the amount of time the animation has been running, in seconds, when this event fired, excluding any time the animation was paused. For an animationstart event, elapsedTime is 0.0 unless there was a negative value for animation-delay, in which case the event will be fired with elapsedTime containing (-1 * delay).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEvent/elapsedTime)
     */
    readonly elapsedTime: number;
    /**
     * The **`AnimationEvent.pseudoElement`** read-only property is a string, starting with '::', containing the name of the pseudo-element the animation runs on. If the animation doesn't run on a pseudo-element but on the element, an empty string: ''.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationEvent/pseudoElement)
     */
    readonly pseudoElement: string;
}

declare var AnimationEvent: {
    prototype: AnimationEvent;
    new(type: string, animationEventInitDict?: AnimationEventInit): AnimationEvent;
};

interface AnimationFrameProvider {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/cancelAnimationFrame) */
    cancelAnimationFrame(handle: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/requestAnimationFrame) */
    requestAnimationFrame(callback: FrameRequestCallback): number;
}

/**
 * The **`AnimationPlaybackEvent`** interface of the Web Animations API represents animation events.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationPlaybackEvent)
 */
interface AnimationPlaybackEvent extends Event {
    /**
     * The **`currentTime`** read-only property of the AnimationPlaybackEvent interface represents the current time of the animation that generated the event at the moment the event is queued. This will be unresolved if the animation was idle at the time the event was generated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationPlaybackEvent/currentTime)
     */
    readonly currentTime: CSSNumberish | null;
    /**
     * The **`timelineTime`** read-only property of the AnimationPlaybackEvent interface represents the time value of the animation's timeline at the moment the event is queued. This will be unresolved if the animation was not associated with a timeline at the time the event was generated or if the associated timeline was inactive.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationPlaybackEvent/timelineTime)
     */
    readonly timelineTime: CSSNumberish | null;
}

declare var AnimationPlaybackEvent: {
    prototype: AnimationPlaybackEvent;
    new(type: string, eventInitDict?: AnimationPlaybackEventInit): AnimationPlaybackEvent;
};

/**
 * The **`AnimationTimeline`** interface of the Web Animations API represents the timeline of an animation. This interface exists to define timeline features, inherited by other timeline types:
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationTimeline)
 */
interface AnimationTimeline {
    /**
     * The **`currentTime`** read-only property of the Web Animations API's AnimationTimeline interface returns the timeline's current time in milliseconds, or null if the timeline is inactive.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationTimeline/currentTime)
     */
    readonly currentTime: CSSNumberish | null;
    /**
     * The **`duration`** read-only property of the Web Animations API's AnimationTimeline interface returns the maximum value for this timeline or null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AnimationTimeline/duration)
     */
    readonly duration: CSSNumberish | null;
}

declare var AnimationTimeline: {
    prototype: AnimationTimeline;
    new(): AnimationTimeline;
};

/**
 * The **`Attr`** interface represents one of an element's attributes as an object. In most situations, you will directly retrieve the attribute value as a string (e.g., Element.getAttribute()), but some cases may require interacting with Attr instances (e.g., Element.getAttributeNode()).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr)
 */
interface Attr extends Node {
    /**
     * The read-only **`localName`** property of the Attr interface returns the local part of the qualified name of an attribute, that is the name of the attribute, stripped from any namespace in front of it. For example, if the qualified name is xml:lang, the returned local name is lang, if the element supports that namespace.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/localName)
     */
    readonly localName: string;
    /**
     * The read-only **`name`** property of the Attr interface returns the qualified name of an attribute, that is the name of the attribute, with the namespace prefix, if any, in front of it. For example, if the local name is lang and the namespace prefix is xml, the returned qualified name is xml:lang.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/name)
     */
    readonly name: string;
    /**
     * The read-only **`namespaceURI`** property of the Attr interface returns the namespace URI of the attribute, or null if the element is not in a namespace.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/namespaceURI)
     */
    readonly namespaceURI: string | null;
    readonly ownerDocument: Document;
    /**
     * The read-only **`ownerElement`** property of the Attr interface returns the Element the attribute belongs to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/ownerElement)
     */
    readonly ownerElement: Element | null;
    /**
     * The read-only **`prefix`** property of the Attr returns the namespace prefix of the attribute, or null if no prefix is specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/prefix)
     */
    readonly prefix: string | null;
    /**
     * The read-only **`specified`** property of the Attr interface always returns true.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/specified)
     */
    readonly specified: boolean;
    /**
     * The **`value`** property of the Attr interface contains the value of the attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Attr/value)
     */
    value: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): string;
    set textContent(value: string | null);
}

declare var Attr: {
    prototype: Attr;
    new(): Attr;
};

/**
 * The **`AudioBuffer`** interface represents a short audio asset residing in memory, created from an audio file using the AudioContext.decodeAudioData() method, or from raw data using AudioContext.createBuffer(). Once put into an AudioBuffer, the audio can then be played by being passed into an AudioBufferSourceNode.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer)
 */
interface AudioBuffer {
    /**
     * The **`duration`** property of the AudioBuffer interface returns a double representing the duration, in seconds, of the PCM data stored in the buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/duration)
     */
    readonly duration: number;
    /**
     * The **`length`** property of the AudioBuffer interface returns an integer representing the length, in sample-frames, of the PCM data stored in the buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/length)
     */
    readonly length: number;
    /**
     * The **`numberOfChannels`** property of the AudioBuffer interface returns an integer representing the number of discrete audio channels described by the PCM data stored in the buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/numberOfChannels)
     */
    readonly numberOfChannels: number;
    /**
     * The **`sampleRate`** property of the AudioBuffer interface returns a float representing the sample rate, in samples per second, of the PCM data stored in the buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/sampleRate)
     */
    readonly sampleRate: number;
    /**
     * The **`copyFromChannel()`** method of the AudioBuffer interface copies the audio sample data from the specified channel of the AudioBuffer to a specified Float32Array.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/copyFromChannel)
     */
    copyFromChannel(destination: Float32Array<ArrayBuffer>, channelNumber: number, bufferOffset?: number): void;
    /**
     * The **`copyToChannel()`** method of the AudioBuffer interface copies the samples to the specified channel of the AudioBuffer, from the source array.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/copyToChannel)
     */
    copyToChannel(source: Float32Array<ArrayBuffer>, channelNumber: number, bufferOffset?: number): void;
    /**
     * The **`getChannelData()`** method of the AudioBuffer Interface returns a Float32Array containing the PCM data associated with the channel, defined by the channel parameter (with 0 representing the first channel).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBuffer/getChannelData)
     */
    getChannelData(channel: number): Float32Array<ArrayBuffer>;
}

declare var AudioBuffer: {
    prototype: AudioBuffer;
    new(options: AudioBufferOptions): AudioBuffer;
};

/**
 * The **`AudioBufferSourceNode`** interface is an AudioScheduledSourceNode which represents an audio source consisting of in-memory audio data, stored in an AudioBuffer.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode)
 */
interface AudioBufferSourceNode extends AudioScheduledSourceNode {
    /**
     * The **`buffer`** property of the AudioBufferSourceNode interface provides the ability to play back audio using an AudioBuffer as the source of the sound data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/buffer)
     */
    buffer: AudioBuffer | null;
    /**
     * The **`detune`** property of the AudioBufferSourceNode interface is a k-rate AudioParam representing detuning of oscillation in cents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/detune)
     */
    readonly detune: AudioParam;
    /**
     * The **`loop`** property of the AudioBufferSourceNode interface is a Boolean indicating if the audio asset must be replayed when the end of the AudioBuffer is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/loop)
     */
    loop: boolean;
    /**
     * The **`loopEnd`** property of the AudioBufferSourceNode interface specifies is a floating point number specifying, in seconds, at what offset into playing the AudioBuffer playback should loop back to the time indicated by the loopStart property. This is only used if the loop property is true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/loopEnd)
     */
    loopEnd: number;
    /**
     * The **`loopStart`** property of the AudioBufferSourceNode interface is a floating-point value indicating, in seconds, where in the AudioBuffer the restart of the play must happen.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/loopStart)
     */
    loopStart: number;
    /**
     * The **`playbackRate`** property of the AudioBufferSourceNode interface Is a k-rate AudioParam that defines the speed at which the audio asset will be played.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/playbackRate)
     */
    readonly playbackRate: AudioParam;
    /**
     * The **`start()`** method of the AudioBufferSourceNode Interface is used to schedule playback of the audio data contained in the buffer, or to begin playback immediately.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioBufferSourceNode/start)
     */
    start(when?: number, offset?: number, duration?: number): void;
    addEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: AudioBufferSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: AudioBufferSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioBufferSourceNode: {
    prototype: AudioBufferSourceNode;
    new(context: BaseAudioContext, options?: AudioBufferSourceOptions): AudioBufferSourceNode;
};

/**
 * The **`AudioContext`** interface represents an audio-processing graph built from audio modules linked together, each represented by an AudioNode.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext)
 */
interface AudioContext extends BaseAudioContext {
    /**
     * The **`baseLatency`** read-only property of the AudioContext interface returns a double that represents the number of seconds of processing latency incurred by the AudioContext passing an audio buffer from the AudioDestinationNode — i.e., the end of the audio graph — into the host system's audio subsystem ready for playing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/baseLatency)
     */
    readonly baseLatency: number;
    /**
     * The **`outputLatency`** read-only property of the AudioContext Interface provides an estimation of the output latency of the current audio context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/outputLatency)
     */
    readonly outputLatency: number;
    /**
     * The **`close()`** method of the AudioContext Interface closes the audio context, releasing any system audio resources that it uses.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/close)
     */
    close(): Promise<void>;
    /**
     * The **`createMediaElementSource()`** method of the AudioContext Interface is used to create a new MediaElementAudioSourceNode object, given an existing HTML <audio> or <video> element, the audio from which can then be played and manipulated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/createMediaElementSource)
     */
    createMediaElementSource(mediaElement: HTMLMediaElement): MediaElementAudioSourceNode;
    /**
     * The **`createMediaStreamDestination()`** method of the AudioContext Interface is used to create a new MediaStreamAudioDestinationNode object associated with a WebRTC MediaStream representing an audio stream, which may be stored in a local file or sent to another computer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/createMediaStreamDestination)
     */
    createMediaStreamDestination(): MediaStreamAudioDestinationNode;
    /**
     * The **`createMediaStreamSource()`** method of the AudioContext Interface is used to create a new MediaStreamAudioSourceNode object, given a media stream (say, from a MediaDevices.getUserMedia instance), the audio from which can then be played and manipulated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/createMediaStreamSource)
     */
    createMediaStreamSource(mediaStream: MediaStream): MediaStreamAudioSourceNode;
    /**
     * The **`getOutputTimestamp()`** method of the AudioContext interface returns a new AudioTimestamp object containing two audio timestamp values relating to the current audio context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/getOutputTimestamp)
     */
    getOutputTimestamp(): AudioTimestamp;
    /**
     * The **`resume()`** method of the AudioContext interface resumes the progression of time in an audio context that has previously been suspended.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/resume)
     */
    resume(): Promise<void>;
    /**
     * The **`suspend()`** method of the AudioContext Interface suspends the progression of time in the audio context, temporarily halting audio hardware access and reducing CPU/battery usage in the process — this is useful if you want an application to power down the audio hardware when it will not be using an audio context for a while.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioContext/suspend)
     */
    suspend(): Promise<void>;
    addEventListener<K extends keyof BaseAudioContextEventMap>(type: K, listener: (this: AudioContext, ev: BaseAudioContextEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof BaseAudioContextEventMap>(type: K, listener: (this: AudioContext, ev: BaseAudioContextEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioContext: {
    prototype: AudioContext;
    new(contextOptions?: AudioContextOptions): AudioContext;
};

/**
 * The **`AudioData`** interface of the WebCodecs API represents an audio sample.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData)
 */
interface AudioData {
    /**
     * The **`duration`** read-only property of the AudioData interface returns the duration in microseconds of this AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/duration)
     */
    readonly duration: number;
    /**
     * The **`format`** read-only property of the AudioData interface returns the sample format of the AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/format)
     */
    readonly format: AudioSampleFormat | null;
    /**
     * The **`numberOfChannels`** read-only property of the AudioData interface returns the number of channels in the AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/numberOfChannels)
     */
    readonly numberOfChannels: number;
    /**
     * The **`numberOfFrames`** read-only property of the AudioData interface returns the number of frames in the AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/numberOfFrames)
     */
    readonly numberOfFrames: number;
    /**
     * The **`sampleRate`** read-only property of the AudioData interface returns the sample rate in Hz.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/sampleRate)
     */
    readonly sampleRate: number;
    /**
     * The **`timestamp`** read-only property of the AudioData interface returns the timestamp of this AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`allocationSize()`** method of the AudioData interface returns the size in bytes required to hold the current sample as filtered by options passed into the method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/allocationSize)
     */
    allocationSize(options: AudioDataCopyToOptions): number;
    /**
     * The **`clone()`** method of the AudioData interface creates a new AudioData object with reference to the same media resource as the original.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/clone)
     */
    clone(): AudioData;
    /**
     * The **`close()`** method of the AudioData interface clears all states and releases the reference to the media resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/close)
     */
    close(): void;
    /**
     * The **`copyTo()`** method of the AudioData interface copies a plane of an AudioData object to a destination buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioData/copyTo)
     */
    copyTo(destination: AllowSharedBufferSource, options: AudioDataCopyToOptions): void;
}

declare var AudioData: {
    prototype: AudioData;
    new(init: AudioDataInit): AudioData;
};

interface AudioDecoderEventMap {
    "dequeue": Event;
}

/**
 * The **`AudioDecoder`** interface of the WebCodecs API decodes chunks of audio.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder)
 */
interface AudioDecoder extends EventTarget {
    /**
     * The **`decodeQueueSize`** read-only property of the AudioDecoder interface returns the number of pending decode requests in the queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/decodeQueueSize)
     */
    readonly decodeQueueSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/dequeue_event) */
    ondequeue: ((this: AudioDecoder, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the AudioDecoder interface returns the current state of the underlying codec.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/state)
     */
    readonly state: CodecState;
    /**
     * The **`close()`** method of the AudioDecoder interface ends all pending work and releases system resources.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/close)
     */
    close(): void;
    /**
     * The **`configure()`** method of the AudioDecoder interface enqueues a control message to configure the audio decoder for decoding chunks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/configure)
     */
    configure(config: AudioDecoderConfig): void;
    /**
     * The **`decode()`** method of the AudioDecoder interface enqueues a control message to decode a given chunk of audio.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/decode)
     */
    decode(chunk: EncodedAudioChunk): void;
    /**
     * The **`flush()`** method of the AudioDecoder interface returns a Promise that resolves once all pending messages in the queue have been completed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/flush)
     */
    flush(): Promise<void>;
    /**
     * The **`reset()`** method of the AudioDecoder interface resets all states including configuration, control messages in the control message queue, and all pending callbacks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/reset)
     */
    reset(): void;
    addEventListener<K extends keyof AudioDecoderEventMap>(type: K, listener: (this: AudioDecoder, ev: AudioDecoderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioDecoderEventMap>(type: K, listener: (this: AudioDecoder, ev: AudioDecoderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioDecoder: {
    prototype: AudioDecoder;
    new(init: AudioDecoderInit): AudioDecoder;
    /**
     * The **`isConfigSupported()`** static method of the AudioDecoder interface checks if the given config is supported (that is, if AudioDecoder objects can be successfully configured with the given config).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDecoder/isConfigSupported_static)
     */
    isConfigSupported(config: AudioDecoderConfig): Promise<AudioDecoderSupport>;
};

/**
 * The **`AudioDestinationNode`** interface represents the end destination of an audio graph in a given context — usually the speakers of your device. It can also be the node that will "record" the audio data when used with an OfflineAudioContext.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDestinationNode)
 */
interface AudioDestinationNode extends AudioNode {
    /**
     * The **`maxChannelCount`** property of the AudioDestinationNode interface is an unsigned long defining the maximum amount of channels that the physical device can handle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioDestinationNode/maxChannelCount)
     */
    readonly maxChannelCount: number;
}

declare var AudioDestinationNode: {
    prototype: AudioDestinationNode;
    new(): AudioDestinationNode;
};

interface AudioEncoderEventMap {
    "dequeue": Event;
}

/**
 * The **`AudioEncoder`** interface of the WebCodecs API encodes AudioData objects.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder)
 */
interface AudioEncoder extends EventTarget {
    /**
     * The **`encodeQueueSize`** read-only property of the AudioEncoder interface returns the number of pending encode requests in the queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/encodeQueueSize)
     */
    readonly encodeQueueSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/dequeue_event) */
    ondequeue: ((this: AudioEncoder, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the AudioEncoder interface returns the current state of the underlying codec.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/state)
     */
    readonly state: CodecState;
    /**
     * The **`close()`** method of the AudioEncoder interface ends all pending work and releases system resources.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/close)
     */
    close(): void;
    /**
     * The **`configure()`** method of the AudioEncoder interface enqueues a control message to configure the audio encoder for encoding chunks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/configure)
     */
    configure(config: AudioEncoderConfig): void;
    /**
     * The **`encode()`** method of the AudioEncoder interface enqueues a control message to encode a given AudioData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/encode)
     */
    encode(data: AudioData): void;
    /**
     * The **`flush()`** method of the AudioEncoder interface returns a Promise that resolves once all pending messages in the queue have been completed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/flush)
     */
    flush(): Promise<void>;
    /**
     * The **`reset()`** method of the AudioEncoder interface resets all states including configuration, control messages in the control message queue, and all pending callbacks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/reset)
     */
    reset(): void;
    addEventListener<K extends keyof AudioEncoderEventMap>(type: K, listener: (this: AudioEncoder, ev: AudioEncoderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioEncoderEventMap>(type: K, listener: (this: AudioEncoder, ev: AudioEncoderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioEncoder: {
    prototype: AudioEncoder;
    new(init: AudioEncoderInit): AudioEncoder;
    /**
     * The **`isConfigSupported()`** static method of the AudioEncoder interface checks if the given config is supported (that is, if AudioEncoder objects can be successfully configured with the given config).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioEncoder/isConfigSupported_static)
     */
    isConfigSupported(config: AudioEncoderConfig): Promise<AudioEncoderSupport>;
};

/**
 * The **`AudioListener`** interface represents the position and orientation of the unique person listening to the audio scene, and is used in audio spatialization. All PannerNodes spatialize in relation to the AudioListener stored in the BaseAudioContext.listener attribute.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener)
 */
interface AudioListener {
    /**
     * The **`forwardX`** read-only property of the AudioListener interface is an AudioParam representing the x value of the direction vector defining the forward direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/forwardX)
     */
    readonly forwardX: AudioParam;
    /**
     * The **`forwardY`** read-only property of the AudioListener interface is an AudioParam representing the y value of the direction vector defining the forward direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/forwardY)
     */
    readonly forwardY: AudioParam;
    /**
     * The **`forwardZ`** read-only property of the AudioListener interface is an AudioParam representing the z value of the direction vector defining the forward direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/forwardZ)
     */
    readonly forwardZ: AudioParam;
    /**
     * The **`positionX`** read-only property of the AudioListener interface is an AudioParam representing the x position of the listener in 3D cartesian space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/positionX)
     */
    readonly positionX: AudioParam;
    /**
     * The **`positionY`** read-only property of the AudioListener interface is an AudioParam representing the y position of the listener in 3D cartesian space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/positionY)
     */
    readonly positionY: AudioParam;
    /**
     * The **`positionZ`** read-only property of the AudioListener interface is an AudioParam representing the z position of the listener in 3D cartesian space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/positionZ)
     */
    readonly positionZ: AudioParam;
    /**
     * The **`upX`** read-only property of the AudioListener interface is an AudioParam representing the x value of the direction vector defining the up direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/upX)
     */
    readonly upX: AudioParam;
    /**
     * The **`upY`** read-only property of the AudioListener interface is an AudioParam representing the y value of the direction vector defining the up direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/upY)
     */
    readonly upY: AudioParam;
    /**
     * The **`upZ`** read-only property of the AudioListener interface is an AudioParam representing the z value of the direction vector defining the up direction the listener is pointing in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/upZ)
     */
    readonly upZ: AudioParam;
    /**
     * The **`setOrientation()`** method of the AudioListener interface defines the orientation of the listener.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/setOrientation)
     */
    setOrientation(x: number, y: number, z: number, xUp: number, yUp: number, zUp: number): void;
    /**
     * The **`setPosition()`** method of the AudioListener Interface defines the position of the listener.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioListener/setPosition)
     */
    setPosition(x: number, y: number, z: number): void;
}

declare var AudioListener: {
    prototype: AudioListener;
    new(): AudioListener;
};

/**
 * The **`AudioNode`** interface is a generic interface for representing an audio processing module.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode)
 */
interface AudioNode extends EventTarget {
    /**
     * The **`channelCount`** property of the AudioNode interface represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/channelCount)
     */
    channelCount: number;
    /**
     * The **`channelCountMode`** property of the AudioNode interface represents an enumerated value describing the way channels must be matched between the node's inputs and outputs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/channelCountMode)
     */
    channelCountMode: ChannelCountMode;
    /**
     * The **`channelInterpretation`** property of the AudioNode interface represents an enumerated value describing how input channels are mapped to output channels when the number of inputs/outputs is different. For example, this setting defines how a mono input will be up-mixed to a stereo or 5.1 channel output, or how a quad channel input will be down-mixed to a stereo or mono output.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/channelInterpretation)
     */
    channelInterpretation: ChannelInterpretation;
    /**
     * The read-only **`context`** property of the AudioNode interface returns the associated BaseAudioContext, that is the object representing the processing graph the node is participating in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/context)
     */
    readonly context: BaseAudioContext;
    /**
     * The **`numberOfInputs`** property of the AudioNode interface returns the number of inputs feeding the node. Source nodes are defined as nodes having a numberOfInputs property with a value of 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/numberOfInputs)
     */
    readonly numberOfInputs: number;
    /**
     * The **`numberOfOutputs`** property of the AudioNode interface returns the number of outputs coming out of the node. Destination nodes — like AudioDestinationNode — have a value of 0 for this attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/numberOfOutputs)
     */
    readonly numberOfOutputs: number;
    /**
     * The **`connect()`** method of the AudioNode interface lets you connect one of the node's outputs to a target, which may be either another AudioNode (thereby directing the sound data to the specified node) or an AudioParam, so that the node's output data is automatically used to change the value of that parameter over time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/connect)
     */
    connect(destinationNode: AudioNode, output?: number, input?: number): AudioNode;
    connect(destinationParam: AudioParam, output?: number): void;
    /**
     * The **`disconnect()`** method of the AudioNode interface lets you disconnect one or more nodes from the node on which the method is called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioNode/disconnect)
     */
    disconnect(): void;
    disconnect(output: number): void;
    disconnect(destinationNode: AudioNode): void;
    disconnect(destinationNode: AudioNode, output: number): void;
    disconnect(destinationNode: AudioNode, output: number, input: number): void;
    disconnect(destinationParam: AudioParam): void;
    disconnect(destinationParam: AudioParam, output: number): void;
}

declare var AudioNode: {
    prototype: AudioNode;
    new(): AudioNode;
};

/**
 * The Web Audio API's **`AudioParam`** interface represents an audio-related parameter, usually a parameter of an AudioNode (such as GainNode.gain).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam)
 */
interface AudioParam {
    automationRate: AutomationRate;
    /**
     * The **`defaultValue`** read-only property of the AudioParam interface represents the initial value of the attributes as defined by the specific AudioNode creating the AudioParam.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/defaultValue)
     */
    readonly defaultValue: number;
    /**
     * The **`maxValue`** read-only property of the AudioParam interface represents the maximum possible value for the parameter's nominal (effective) range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/maxValue)
     */
    readonly maxValue: number;
    /**
     * The **`minValue`** read-only property of the AudioParam interface represents the minimum possible value for the parameter's nominal (effective) range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/minValue)
     */
    readonly minValue: number;
    /**
     * The **`value`** property of the AudioParam interface gets or sets the value of this AudioParam at the current time. Initially, the value is set to AudioParam.defaultValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/value)
     */
    value: number;
    /**
     * The **`cancelAndHoldAtTime()`** method of the AudioParam interface cancels all scheduled future changes to the AudioParam but holds its value at a given time until further changes are made using other methods.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/cancelAndHoldAtTime)
     */
    cancelAndHoldAtTime(cancelTime: number): AudioParam;
    /**
     * The **`cancelScheduledValues()`** method of the AudioParam Interface cancels all scheduled future changes to the AudioParam.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/cancelScheduledValues)
     */
    cancelScheduledValues(cancelTime: number): AudioParam;
    /**
     * The **`exponentialRampToValueAtTime()`** method of the AudioParam Interface schedules a gradual exponential change in the value of the AudioParam. The change starts at the time specified for the previous event, follows an exponential ramp to the new value given in the value parameter, and reaches the new value at the time given in the endTime parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/exponentialRampToValueAtTime)
     */
    exponentialRampToValueAtTime(value: number, endTime: number): AudioParam;
    /**
     * The **`linearRampToValueAtTime()`** method of the AudioParam Interface schedules a gradual linear change in the value of the AudioParam. The change starts at the time specified for the previous event, follows a linear ramp to the new value given in the value parameter, and reaches the new value at the time given in the endTime parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/linearRampToValueAtTime)
     */
    linearRampToValueAtTime(value: number, endTime: number): AudioParam;
    /**
     * The **`setTargetAtTime()`** method of the AudioParam interface schedules the start of a gradual change to the AudioParam value. This is useful for decay or release portions of ADSR envelopes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/setTargetAtTime)
     */
    setTargetAtTime(target: number, startTime: number, timeConstant: number): AudioParam;
    /**
     * The **`setValueAtTime()`** method of the AudioParam interface schedules an instant change to the AudioParam value at a precise time, as measured against AudioContext.currentTime. The new value is given in the value parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/setValueAtTime)
     */
    setValueAtTime(value: number, startTime: number): AudioParam;
    /**
     * The **`setValueCurveAtTime()`** method of the AudioParam interface schedules the parameter's value to change following a curve defined by a list of values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/setValueCurveAtTime)
     */
    setValueCurveAtTime(values: number[] | Float32Array, startTime: number, duration: number): AudioParam;
}

declare var AudioParam: {
    prototype: AudioParam;
    new(): AudioParam;
};

/**
 * The **`AudioParamMap`** interface of the Web Audio API represents an iterable and read-only set of multiple audio parameters.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParamMap)
 */
interface AudioParamMap {
    forEach(callbackfn: (value: AudioParam, key: string, parent: AudioParamMap) => void, thisArg?: any): void;
}

declare var AudioParamMap: {
    prototype: AudioParamMap;
    new(): AudioParamMap;
};

/**
 * The **`AudioProcessingEvent`** interface of the Web Audio API represents events that occur when a ScriptProcessorNode input buffer is ready to be processed.
 * @deprecated As of the August 29 2014 Web Audio API spec publication, this feature has been marked as deprecated, and is soon to be replaced by AudioWorklet.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioProcessingEvent)
 */
interface AudioProcessingEvent extends Event {
    /**
     * The **`inputBuffer`** read-only property of the AudioProcessingEvent interface represents the input buffer of an audio processing event.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioProcessingEvent/inputBuffer)
     */
    readonly inputBuffer: AudioBuffer;
    /**
     * The **`outputBuffer`** read-only property of the AudioProcessingEvent interface represents the output buffer of an audio processing event.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioProcessingEvent/outputBuffer)
     */
    readonly outputBuffer: AudioBuffer;
    /**
     * The **`playbackTime`** read-only property of the AudioProcessingEvent interface represents the time when the audio will be played. It is in the same coordinate system as the time used by the AudioContext.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioProcessingEvent/playbackTime)
     */
    readonly playbackTime: number;
}

/** @deprecated */
declare var AudioProcessingEvent: {
    prototype: AudioProcessingEvent;
    new(type: string, eventInitDict: AudioProcessingEventInit): AudioProcessingEvent;
};

interface AudioScheduledSourceNodeEventMap {
    "ended": Event;
}

/**
 * The **`AudioScheduledSourceNode`** interface—part of the Web Audio API—is a parent interface for several types of audio source node interfaces which share the ability to be started and stopped, optionally at specified times. Specifically, this interface defines the start() and stop() methods, as well as the ended event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioScheduledSourceNode)
 */
interface AudioScheduledSourceNode extends AudioNode {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioScheduledSourceNode/ended_event) */
    onended: ((this: AudioScheduledSourceNode, ev: Event) => any) | null;
    /**
     * The **`start()`** method on AudioScheduledSourceNode schedules a sound to begin playback at the specified time. If no time is specified, then the sound begins playing immediately.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioScheduledSourceNode/start)
     */
    start(when?: number): void;
    /**
     * The **`stop()`** method on AudioScheduledSourceNode schedules a sound to cease playback at the specified time. If no time is specified, then the sound stops playing immediately.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioScheduledSourceNode/stop)
     */
    stop(when?: number): void;
    addEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: AudioScheduledSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: AudioScheduledSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioScheduledSourceNode: {
    prototype: AudioScheduledSourceNode;
    new(): AudioScheduledSourceNode;
};

/**
 * The **`AudioWorklet`** interface of the Web Audio API is used to supply custom audio processing scripts that execute in a separate thread to provide very low latency audio processing.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorklet)
 */
interface AudioWorklet extends Worklet {
}

declare var AudioWorklet: {
    prototype: AudioWorklet;
    new(): AudioWorklet;
};

interface AudioWorkletNodeEventMap {
    "processorerror": ErrorEvent;
}

/**
 * The **`AudioWorkletNode`** interface of the Web Audio API represents a base class for a user-defined AudioNode, which can be connected to an audio routing graph along with other nodes. It has an associated AudioWorkletProcessor, which does the actual audio processing in a Web Audio rendering thread.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode)
 */
interface AudioWorkletNode extends AudioNode {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/processorerror_event) */
    onprocessorerror: ((this: AudioWorkletNode, ev: ErrorEvent) => any) | null;
    /**
     * The read-only **`parameters`** property of the AudioWorkletNode interface returns the associated AudioParamMap — that is, a Map-like collection of AudioParam objects. They are instantiated during creation of the underlying AudioWorkletProcessor according to its parameterDescriptors static getter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/parameters)
     */
    readonly parameters: AudioParamMap;
    /**
     * The read-only **`port`** property of the AudioWorkletNode interface returns the associated MessagePort. It can be used to communicate between the node and its associated AudioWorkletProcessor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/port)
     */
    readonly port: MessagePort;
    addEventListener<K extends keyof AudioWorkletNodeEventMap>(type: K, listener: (this: AudioWorkletNode, ev: AudioWorkletNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioWorkletNodeEventMap>(type: K, listener: (this: AudioWorkletNode, ev: AudioWorkletNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AudioWorkletNode: {
    prototype: AudioWorkletNode;
    new(context: BaseAudioContext, name: string, options?: AudioWorkletNodeOptions): AudioWorkletNode;
};

/**
 * The **`AuthenticatorAssertionResponse`** interface of the Web Authentication API contains a digital signature from the private key of a particular WebAuthn credential. The relying party's server can verify this signature to authenticate a user, for example when they sign in.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAssertionResponse)
 */
interface AuthenticatorAssertionResponse extends AuthenticatorResponse {
    /**
     * The **`authenticatorData`** property of the AuthenticatorAssertionResponse interface returns an ArrayBuffer containing information from the authenticator such as the Relying Party ID Hash (rpIdHash), a signature counter, test of user presence, user verification flags, and any extensions processed by the authenticator.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAssertionResponse/authenticatorData)
     */
    readonly authenticatorData: ArrayBuffer;
    /**
     * The **`signature`** read-only property of the AuthenticatorAssertionResponse interface is an ArrayBuffer object which is the signature of the authenticator for both AuthenticatorAssertionResponse.authenticatorData and a SHA-256 hash of the client data (AuthenticatorAssertionResponse.clientDataJSON).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAssertionResponse/signature)
     */
    readonly signature: ArrayBuffer;
    /**
     * The **`userHandle`** read-only property of the AuthenticatorAssertionResponse interface is an ArrayBuffer object providing an opaque identifier for the given user. Such an identifier can be used by the relying party's server to link the user account with its corresponding credentials and other data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAssertionResponse/userHandle)
     */
    readonly userHandle: ArrayBuffer | null;
}

declare var AuthenticatorAssertionResponse: {
    prototype: AuthenticatorAssertionResponse;
    new(): AuthenticatorAssertionResponse;
};

/**
 * The **`AuthenticatorAttestationResponse`** interface of the Web Authentication API is the result of a WebAuthn credential registration. It contains information about the credential that the server needs to perform WebAuthn assertions, such as its credential ID and public key.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse)
 */
interface AuthenticatorAttestationResponse extends AuthenticatorResponse {
    /**
     * The **`attestationObject`** property of the AuthenticatorAttestationResponse interface returns an ArrayBuffer containing the new public key, as well as signature over the entire attestationObject with a private key that is stored in the authenticator when it is manufactured.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse/attestationObject)
     */
    readonly attestationObject: ArrayBuffer;
    /**
     * The **`getAuthenticatorData()`** method of the AuthenticatorAttestationResponse interface returns an ArrayBuffer containing the authenticator data contained within the AuthenticatorAttestationResponse.attestationObject property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse/getAuthenticatorData)
     */
    getAuthenticatorData(): ArrayBuffer;
    /**
     * The **`getPublicKey()`** method of the AuthenticatorAttestationResponse interface returns an ArrayBuffer containing the DER SubjectPublicKeyInfo of the new credential (see Subject Public Key Info), or null if this is not available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse/getPublicKey)
     */
    getPublicKey(): ArrayBuffer | null;
    /**
     * The **`getPublicKeyAlgorithm()`** method of the AuthenticatorAttestationResponse interface returns a number that is equal to a COSE Algorithm Identifier, representing the cryptographic algorithm used for the new credential.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse/getPublicKeyAlgorithm)
     */
    getPublicKeyAlgorithm(): COSEAlgorithmIdentifier;
    /**
     * The **`getTransports()`** method of the AuthenticatorAttestationResponse interface returns an array of strings describing the different transports which may be used by the authenticator.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorAttestationResponse/getTransports)
     */
    getTransports(): string[];
}

declare var AuthenticatorAttestationResponse: {
    prototype: AuthenticatorAttestationResponse;
    new(): AuthenticatorAttestationResponse;
};

/**
 * The **`AuthenticatorResponse`** interface of the Web Authentication API is the base interface for interfaces that provide a cryptographic root of trust for a key pair. The child interfaces include information from the browser such as the challenge origin and either may be returned from PublicKeyCredential.response.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorResponse)
 */
interface AuthenticatorResponse {
    /**
     * The **`clientDataJSON`** property of the AuthenticatorResponse interface stores a JSON string in an ArrayBuffer, representing the client data that was passed to navigator.credentials.create() or navigator.credentials.get(). This property is only accessed on one of the child objects of AuthenticatorResponse, specifically AuthenticatorAttestationResponse or AuthenticatorAssertionResponse.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AuthenticatorResponse/clientDataJSON)
     */
    readonly clientDataJSON: ArrayBuffer;
}

declare var AuthenticatorResponse: {
    prototype: AuthenticatorResponse;
    new(): AuthenticatorResponse;
};

/**
 * The **`BarProp`** interface of the Document Object Model represents the web browser user interface elements that are exposed to scripts in web pages. Each of the following interface elements are represented by a BarProp object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BarProp)
 */
interface BarProp {
    /**
     * The **`visible`** read-only property of the BarProp interface returns true if the user interface element it represents is visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BarProp/visible)
     */
    readonly visible: boolean;
}

declare var BarProp: {
    prototype: BarProp;
    new(): BarProp;
};

interface BaseAudioContextEventMap {
    "statechange": Event;
}

/**
 * The **`BaseAudioContext`** interface of the Web Audio API acts as a base definition for online and offline audio-processing graphs, as represented by AudioContext and OfflineAudioContext respectively. You wouldn't use BaseAudioContext directly — you'd use its features via one of these two inheriting interfaces.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext)
 */
interface BaseAudioContext extends EventTarget {
    /**
     * The **`audioWorklet`** read-only property of the BaseAudioContext interface returns an instance of AudioWorklet that can be used for adding AudioWorkletProcessor-derived classes which implement custom audio processing.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/audioWorklet)
     */
    readonly audioWorklet: AudioWorklet;
    /**
     * The **`currentTime`** read-only property of the BaseAudioContext interface returns a double representing an ever-increasing hardware timestamp in seconds that can be used for scheduling audio playback, visualizing timelines, etc. It starts at 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/currentTime)
     */
    readonly currentTime: number;
    /**
     * The **`destination`** property of the BaseAudioContext interface returns an AudioDestinationNode representing the final destination of all audio in the context. It often represents an actual audio-rendering device such as your device's speakers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/destination)
     */
    readonly destination: AudioDestinationNode;
    /**
     * The **`listener`** property of the BaseAudioContext interface returns an AudioListener object that can then be used for implementing 3D audio spatialization.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/listener)
     */
    readonly listener: AudioListener;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/statechange_event) */
    onstatechange: ((this: BaseAudioContext, ev: Event) => any) | null;
    /**
     * The **`sampleRate`** property of the BaseAudioContext interface returns a floating point number representing the sample rate, in samples per second, used by all nodes in this audio context. This limitation means that sample-rate converters are not supported.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/sampleRate)
     */
    readonly sampleRate: number;
    /**
     * The **`state`** read-only property of the BaseAudioContext interface returns the current state of the AudioContext.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/state)
     */
    readonly state: AudioContextState;
    /**
     * The **`createAnalyser()`** method of the BaseAudioContext interface creates an AnalyserNode, which can be used to expose audio time and frequency data and create data visualizations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createAnalyser)
     */
    createAnalyser(): AnalyserNode;
    /**
     * The **`createBiquadFilter()`** method of the BaseAudioContext interface creates a BiquadFilterNode, which represents a second order filter configurable as several different common filter types.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createBiquadFilter)
     */
    createBiquadFilter(): BiquadFilterNode;
    /**
     * The **`createBuffer()`** method of the BaseAudioContext Interface is used to create a new, empty AudioBuffer object, which can then be populated by data, and played via an AudioBufferSourceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createBuffer)
     */
    createBuffer(numberOfChannels: number, length: number, sampleRate: number): AudioBuffer;
    /**
     * The **`createBufferSource()`** method of the BaseAudioContext Interface is used to create a new AudioBufferSourceNode, which can be used to play audio data contained within an AudioBuffer object. AudioBuffers are created using BaseAudioContext.createBuffer or returned by BaseAudioContext.decodeAudioData when it successfully decodes an audio track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createBufferSource)
     */
    createBufferSource(): AudioBufferSourceNode;
    /**
     * The **`createChannelMerger()`** method of the BaseAudioContext interface creates a ChannelMergerNode, which combines channels from multiple audio streams into a single audio stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createChannelMerger)
     */
    createChannelMerger(numberOfInputs?: number): ChannelMergerNode;
    /**
     * The **`createChannelSplitter()`** method of the BaseAudioContext Interface is used to create a ChannelSplitterNode, which is used to access the individual channels of an audio stream and process them separately.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createChannelSplitter)
     */
    createChannelSplitter(numberOfOutputs?: number): ChannelSplitterNode;
    /**
     * The **`createConstantSource()`** property of the BaseAudioContext interface creates a ConstantSourceNode object, which is an audio source that continuously outputs a monaural (one-channel) sound signal whose samples all have the same value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createConstantSource)
     */
    createConstantSource(): ConstantSourceNode;
    /**
     * The **`createConvolver()`** method of the BaseAudioContext interface creates a ConvolverNode, which is commonly used to apply reverb effects to your audio. See the spec definition of Convolution for more information.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createConvolver)
     */
    createConvolver(): ConvolverNode;
    /**
     * The **`createDelay()`** method of the BaseAudioContext Interface is used to create a DelayNode, which is used to delay the incoming audio signal by a certain amount of time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createDelay)
     */
    createDelay(maxDelayTime?: number): DelayNode;
    /**
     * The **`createDynamicsCompressor()`** method of the BaseAudioContext Interface is used to create a DynamicsCompressorNode, which can be used to apply compression to an audio signal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createDynamicsCompressor)
     */
    createDynamicsCompressor(): DynamicsCompressorNode;
    /**
     * The **`createGain()`** method of the BaseAudioContext interface creates a GainNode, which can be used to control the overall gain (or volume) of the audio graph.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createGain)
     */
    createGain(): GainNode;
    /**
     * The **`createIIRFilter()`** method of the BaseAudioContext interface creates an IIRFilterNode, which represents a general infinite impulse response (IIR) filter which can be configured to serve as various types of filter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createIIRFilter)
     */
    createIIRFilter(feedforward: number[], feedback: number[]): IIRFilterNode;
    /**
     * The **`createOscillator()`** method of the BaseAudioContext interface creates an OscillatorNode, a source representing a periodic waveform. It basically generates a constant tone.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createOscillator)
     */
    createOscillator(): OscillatorNode;
    /**
     * The **`createPanner()`** method of the BaseAudioContext Interface is used to create a new PannerNode, which is used to spatialize an incoming audio stream in 3D space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createPanner)
     */
    createPanner(): PannerNode;
    /**
     * The **`createPeriodicWave()`** method of the BaseAudioContext interface is used to create a PeriodicWave. This wave is used to define a periodic waveform that can be used to shape the output of an OscillatorNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createPeriodicWave)
     */
    createPeriodicWave(real: number[] | Float32Array, imag: number[] | Float32Array, constraints?: PeriodicWaveConstraints): PeriodicWave;
    /**
     * The **`createScriptProcessor()`** method of the BaseAudioContext interface creates a ScriptProcessorNode used for direct audio processing.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createScriptProcessor)
     */
    createScriptProcessor(bufferSize?: number, numberOfInputChannels?: number, numberOfOutputChannels?: number): ScriptProcessorNode;
    /**
     * The **`createStereoPanner()`** method of the BaseAudioContext interface creates a StereoPannerNode, which can be used to apply stereo panning to an audio source. It positions an incoming audio stream in a stereo image using a low-cost panning algorithm.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createStereoPanner)
     */
    createStereoPanner(): StereoPannerNode;
    /**
     * The **`createWaveShaper()`** method of the BaseAudioContext interface creates a WaveShaperNode, which represents a non-linear distortion. It is used to apply distortion effects to your audio.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/createWaveShaper)
     */
    createWaveShaper(): WaveShaperNode;
    /**
     * The **`decodeAudioData()`** method of the BaseAudioContext Interface is used to asynchronously decode audio file data contained in an ArrayBuffer that is loaded from fetch(), XMLHttpRequest, or FileReader. The decoded AudioBuffer is resampled to the AudioContext's sampling rate, then passed to a callback or promise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BaseAudioContext/decodeAudioData)
     */
    decodeAudioData(audioData: ArrayBuffer, successCallback?: DecodeSuccessCallback | null, errorCallback?: DecodeErrorCallback | null): Promise<AudioBuffer>;
    addEventListener<K extends keyof BaseAudioContextEventMap>(type: K, listener: (this: BaseAudioContext, ev: BaseAudioContextEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof BaseAudioContextEventMap>(type: K, listener: (this: BaseAudioContext, ev: BaseAudioContextEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var BaseAudioContext: {
    prototype: BaseAudioContext;
    new(): BaseAudioContext;
};

/**
 * The **`BeforeUnloadEvent`** interface represents the event object for the beforeunload event, which is fired when the current window, contained document, and associated resources are about to be unloaded.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BeforeUnloadEvent)
 */
interface BeforeUnloadEvent extends Event {
    /**
     * The **`returnValue`** property of the BeforeUnloadEvent interface, when set to a truthy value, triggers a browser-generated confirmation dialog asking users to confirm if they really want to leave the page when they try to close or reload it, or navigate somewhere else. This is intended to help prevent loss of unsaved data.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BeforeUnloadEvent/returnValue)
     */
    returnValue: any;
}

declare var BeforeUnloadEvent: {
    prototype: BeforeUnloadEvent;
    new(): BeforeUnloadEvent;
};

/**
 * The **`BiquadFilterNode`** interface represents a simple low-order filter, and is created using the BaseAudioContext/createBiquadFilter method. It is an AudioNode that can represent different kinds of filters, tone control devices, and graphic equalizers. A BiquadFilterNode always has exactly one input and one output.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode)
 */
interface BiquadFilterNode extends AudioNode {
    /**
     * The **`Q`** property of the BiquadFilterNode interface is an a-rate AudioParam, a double representing a Q factor, or quality factor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/Q)
     */
    readonly Q: AudioParam;
    /**
     * The **`detune`** property of the BiquadFilterNode interface is an a-rate AudioParam representing detuning of the frequency in cents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/detune)
     */
    readonly detune: AudioParam;
    /**
     * The **`frequency`** property of the BiquadFilterNode interface is an a-rate AudioParam — a double representing a frequency in the current filtering algorithm measured in hertz (Hz).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/frequency)
     */
    readonly frequency: AudioParam;
    /**
     * The **`gain`** property of the BiquadFilterNode interface is an a-rate AudioParam — a double representing the gain used in the current filtering algorithm.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/gain)
     */
    readonly gain: AudioParam;
    /**
     * The **`type`** property of the BiquadFilterNode interface is a string (enum) value defining the kind of filtering algorithm the node is implementing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/type)
     */
    type: BiquadFilterType;
    /**
     * The **`getFrequencyResponse()`** method of the BiquadFilterNode interface takes the current filtering algorithm's settings and calculates the frequency response for frequencies specified in a specified array of frequencies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BiquadFilterNode/getFrequencyResponse)
     */
    getFrequencyResponse(frequencyHz: Float32Array<ArrayBuffer>, magResponse: Float32Array<ArrayBuffer>, phaseResponse: Float32Array<ArrayBuffer>): void;
}

declare var BiquadFilterNode: {
    prototype: BiquadFilterNode;
    new(context: BaseAudioContext, options?: BiquadFilterOptions): BiquadFilterNode;
};

/**
 * The **`Blob`** interface represents a blob, which is a file-like object of immutable, raw data; they can be read as text or binary data, or converted into a ReadableStream so its methods can be used for processing the data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob)
 */
interface Blob {
    /**
     * The **`size`** read-only property of the Blob interface returns the size of the Blob or File in bytes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/size)
     */
    readonly size: number;
    /**
     * The **`type`** read-only property of the Blob interface returns the MIME type of the file.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/type)
     */
    readonly type: string;
    /**
     * The **`arrayBuffer()`** method of the Blob interface returns a Promise that resolves with the contents of the blob as binary data contained in an ArrayBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/arrayBuffer)
     */
    arrayBuffer(): Promise<ArrayBuffer>;
    /**
     * The **`bytes()`** method of the Blob interface returns a Promise that resolves with a Uint8Array containing the contents of the blob as an array of bytes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/bytes)
     */
    bytes(): Promise<Uint8Array<ArrayBuffer>>;
    /**
     * The **`slice()`** method of the Blob interface creates and returns a new Blob object which contains data from a subset of the blob on which it's called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice)
     */
    slice(start?: number, end?: number, contentType?: string): Blob;
    /**
     * The **`stream()`** method of the Blob interface returns a ReadableStream which upon reading returns the data contained within the Blob.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/stream)
     */
    stream(): ReadableStream<Uint8Array<ArrayBuffer>>;
    /**
     * The **`text()`** method of the Blob interface returns a Promise that resolves with a string containing the contents of the blob, interpreted as UTF-8.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/text)
     */
    text(): Promise<string>;
}

declare var Blob: {
    prototype: Blob;
    new(blobParts?: BlobPart[], options?: BlobPropertyBag): Blob;
};

/**
 * The **`BlobEvent`** interface of the MediaStream Recording API represents events associated with a Blob. These blobs are typically, but not necessarily, associated with media content.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BlobEvent)
 */
interface BlobEvent extends Event {
    /**
     * The **`data`** read-only property of the BlobEvent interface represents a Blob associated with the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BlobEvent/data)
     */
    readonly data: Blob;
    /**
     * The **`timecode`** read-only property of the BlobEvent interface indicates the difference between the timestamp of the first chunk of data, and the timestamp of the first chunk in the first BlobEvent produced by this recorder.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BlobEvent/timecode)
     */
    readonly timecode: DOMHighResTimeStamp;
}

declare var BlobEvent: {
    prototype: BlobEvent;
    new(type: string, eventInitDict: BlobEventInit): BlobEvent;
};

interface Body {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/body) */
    readonly body: ReadableStream<Uint8Array<ArrayBuffer>> | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bodyUsed) */
    readonly bodyUsed: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/arrayBuffer) */
    arrayBuffer(): Promise<ArrayBuffer>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
    blob(): Promise<Blob>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
    bytes(): Promise<Uint8Array<ArrayBuffer>>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
    formData(): Promise<FormData>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */
    json(): Promise<any>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/text) */
    text(): Promise<string>;
}

interface BroadcastChannelEventMap {
    "message": MessageEvent;
    "messageerror": MessageEvent;
}

/**
 * The **`BroadcastChannel`** interface represents a named channel that any browsing context of a given origin can subscribe to. It allows communication between different documents (in different windows, tabs, frames or iframes) of the same origin. Messages are broadcasted via a message event fired at all BroadcastChannel objects listening to the channel, except the object that sent the message.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel)
 */
interface BroadcastChannel extends EventTarget {
    /**
     * The **`name`** read-only property of the BroadcastChannel interface returns a string, which uniquely identifies the given channel with its name. This name is passed to the BroadcastChannel() constructor at creation time and is therefore read-only.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel/name)
     */
    readonly name: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel/message_event) */
    onmessage: ((this: BroadcastChannel, ev: MessageEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel/messageerror_event) */
    onmessageerror: ((this: BroadcastChannel, ev: MessageEvent) => any) | null;
    /**
     * The **`close()`** method of the BroadcastChannel interface terminates the connection to the underlying channel, allowing the object to be garbage collected. This is a necessary step to perform as there is no other way for a browser to know that this channel is not needed anymore.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel/close)
     */
    close(): void;
    /**
     * The **`postMessage()`** method of the BroadcastChannel interface sends a message, which can be of any kind of Object, to each listener in any browsing context with the same origin. The message is transmitted as a message event targeted at each BroadcastChannel bound to the channel.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/BroadcastChannel/postMessage)
     */
    postMessage(message: any): void;
    addEventListener<K extends keyof BroadcastChannelEventMap>(type: K, listener: (this: BroadcastChannel, ev: BroadcastChannelEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof BroadcastChannelEventMap>(type: K, listener: (this: BroadcastChannel, ev: BroadcastChannelEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var BroadcastChannel: {
    prototype: BroadcastChannel;
    new(name: string): BroadcastChannel;
};

/**
 * The **`ByteLengthQueuingStrategy`** interface of the Streams API provides a built-in byte length queuing strategy that can be used when constructing streams.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ByteLengthQueuingStrategy)
 */
interface ByteLengthQueuingStrategy extends QueuingStrategy<ArrayBufferView> {
    /**
     * The read-only **`ByteLengthQueuingStrategy.highWaterMark`** property returns the total number of bytes that can be contained in the internal queue before backpressure is applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ByteLengthQueuingStrategy/highWaterMark)
     */
    readonly highWaterMark: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ByteLengthQueuingStrategy/size) */
    readonly size: QueuingStrategySize<ArrayBufferView>;
}

declare var ByteLengthQueuingStrategy: {
    prototype: ByteLengthQueuingStrategy;
    new(init: QueuingStrategyInit): ByteLengthQueuingStrategy;
};

/**
 * The **`CDATASection`** interface represents a CDATA section that can be used within XML to include extended portions of unescaped text. When inside a CDATA section, the symbols < and & don't need escaping as they normally do.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CDATASection)
 */
interface CDATASection extends Text {
}

declare var CDATASection: {
    prototype: CDATASection;
    new(): CDATASection;
};

/**
 * The **`CSSAnimation`** interface of the Web Animations API represents an Animation object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSAnimation)
 */
interface CSSAnimation extends Animation {
    /**
     * The **`animationName`** property of the CSSAnimation interface returns the animation-name. This specifies one or more keyframe at-rules which describe the animation applied to the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSAnimation/animationName)
     */
    readonly animationName: string;
    addEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: CSSAnimation, ev: AnimationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: CSSAnimation, ev: AnimationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var CSSAnimation: {
    prototype: CSSAnimation;
    new(): CSSAnimation;
};

/**
 * An object implementing the **`CSSConditionRule`** interface represents a single condition CSS at-rule, which consists of a condition and a statement block.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSConditionRule)
 */
interface CSSConditionRule extends CSSGroupingRule {
    /**
     * The read-only **`conditionText`** property of the CSSConditionRule interface returns or sets the text of the CSS rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSConditionRule/conditionText)
     */
    readonly conditionText: string;
}

declare var CSSConditionRule: {
    prototype: CSSConditionRule;
    new(): CSSConditionRule;
};

/**
 * The **`CSSContainerRule`** interface represents a single CSS @container rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSContainerRule)
 */
interface CSSContainerRule extends CSSConditionRule {
    /**
     * The read-only **`containerName`** property of the CSSContainerRule interface represents the container name of the associated CSS @container at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSContainerRule/containerName)
     */
    readonly containerName: string;
    /**
     * The read-only **`containerQuery`** property of the CSSContainerRule interface returns a string representing the container conditions that are evaluated when the container changes size in order to determine if the styles in the associated @container are applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSContainerRule/containerQuery)
     */
    readonly containerQuery: string;
}

declare var CSSContainerRule: {
    prototype: CSSContainerRule;
    new(): CSSContainerRule;
};

/**
 * The **`CSSCounterStyleRule`** interface represents an @counter-style at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule)
 */
interface CSSCounterStyleRule extends CSSRule {
    /**
     * The **`additiveSymbols`** property of the CSSCounterStyleRule interface gets and sets the value of the additive-symbols descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/additiveSymbols)
     */
    additiveSymbols: string;
    /**
     * The **`fallback`** property of the CSSCounterStyleRule interface gets and sets the value of the fallback descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/fallback)
     */
    fallback: string;
    /**
     * The **`name`** property of the CSSCounterStyleRule interface gets and sets the <custom-ident> defined as the name for the associated rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/name)
     */
    name: string;
    /**
     * The **`negative`** property of the CSSCounterStyleRule interface gets and sets the value of the negative descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/negative)
     */
    negative: string;
    /**
     * The **`pad`** property of the CSSCounterStyleRule interface gets and sets the value of the pad descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/pad)
     */
    pad: string;
    /**
     * The **`prefix`** property of the CSSCounterStyleRule interface gets and sets the value of the prefix descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/prefix)
     */
    prefix: string;
    /**
     * The **`range`** property of the CSSCounterStyleRule interface gets and sets the value of the range descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/range)
     */
    range: string;
    /**
     * The **`speakAs`** property of the CSSCounterStyleRule interface gets and sets the value of the speak-as descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/speakAs)
     */
    speakAs: string;
    /**
     * The **`suffix`** property of the CSSCounterStyleRule interface gets and sets the value of the suffix descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/suffix)
     */
    suffix: string;
    /**
     * The **`symbols`** property of the CSSCounterStyleRule interface gets and sets the value of the symbols descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/symbols)
     */
    symbols: string;
    /**
     * The **`system`** property of the CSSCounterStyleRule interface gets and sets the value of the system descriptor. If the descriptor does not have a value set, this attribute returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSCounterStyleRule/system)
     */
    system: string;
}

declare var CSSCounterStyleRule: {
    prototype: CSSCounterStyleRule;
    new(): CSSCounterStyleRule;
};

/**
 * The **`CSSFontFaceRule`** interface represents an @font-face at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontFaceRule)
 */
interface CSSFontFaceRule extends CSSRule {
    /**
     * The read-only **`style`** property of the CSSFontFaceRule interface contains a CSSStyleDeclaration object representing the descriptors available in the @font-face rule's body.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontFaceRule/style)
     */
    get style(): CSSStyleDeclaration;
    set style(cssText: string);
}

declare var CSSFontFaceRule: {
    prototype: CSSFontFaceRule;
    new(): CSSFontFaceRule;
};

/**
 * The **`CSSFontFeatureValuesRule`** interface represents an @font-feature-values at-rule. The values of its instance properties can be accessed with the CSSFontFeatureValuesMap interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontFeatureValuesRule)
 */
interface CSSFontFeatureValuesRule extends CSSRule {
    /**
     * The **`fontFamily`** property of the CSSFontFeatureValuesRule interface represents the name of the font family it applies to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontFeatureValuesRule/fontFamily)
     */
    fontFamily: string;
}

declare var CSSFontFeatureValuesRule: {
    prototype: CSSFontFeatureValuesRule;
    new(): CSSFontFeatureValuesRule;
};

/**
 * The **`CSSFontPaletteValuesRule`** interface represents an @font-palette-values at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontPaletteValuesRule)
 */
interface CSSFontPaletteValuesRule extends CSSRule {
    /**
     * The read-only **`basePalette`** property of the CSSFontPaletteValuesRule interface indicates the base palette associated with the rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontPaletteValuesRule/basePalette)
     */
    readonly basePalette: string;
    /**
     * The read-only **`fontFamily`** property of the CSSFontPaletteValuesRule interface lists the font families the rule can be applied to. The font families must be named families; generic families like courier are not valid.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontPaletteValuesRule/fontFamily)
     */
    readonly fontFamily: string;
    /**
     * The read-only **`name`** property of the CSSFontPaletteValuesRule interface represents the name identifying the associated @font-palette-values at-rule. A valid name always starts with two dashes, such as --Alternate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontPaletteValuesRule/name)
     */
    readonly name: string;
    /**
     * The read-only **`overrideColors`** property of the CSSFontPaletteValuesRule interface is a string containing a list of color index and color pair that are to be used instead. It is specified in the same format as the corresponding override-colors descriptor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSFontPaletteValuesRule/overrideColors)
     */
    readonly overrideColors: string;
}

declare var CSSFontPaletteValuesRule: {
    prototype: CSSFontPaletteValuesRule;
    new(): CSSFontPaletteValuesRule;
};

/**
 * The **`CSSGroupingRule`** interface of the CSS Object Model represents any CSS at-rule that contains other rules nested within it.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSGroupingRule)
 */
interface CSSGroupingRule extends CSSRule {
    /**
     * The **`cssRules`** property of the CSSGroupingRule interface returns a CSSRuleList containing a collection of CSSRule objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSGroupingRule/cssRules)
     */
    readonly cssRules: CSSRuleList;
    /**
     * The **`deleteRule()`** method of the CSSGroupingRule interface removes a CSS rule from a list of child CSS rules.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSGroupingRule/deleteRule)
     */
    deleteRule(index: number): void;
    /**
     * The **`insertRule()`** method of the CSSGroupingRule interface adds a new CSS rule to a list of CSS rules.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSGroupingRule/insertRule)
     */
    insertRule(rule: string, index?: number): number;
}

declare var CSSGroupingRule: {
    prototype: CSSGroupingRule;
    new(): CSSGroupingRule;
};

/**
 * The **`CSSImageValue`** interface of the CSS Typed Object Model API represents values for properties that take an image, for example background-image, list-style-image, or border-image-source.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImageValue)
 */
interface CSSImageValue extends CSSStyleValue {
}

declare var CSSImageValue: {
    prototype: CSSImageValue;
    new(): CSSImageValue;
};

/**
 * The **`CSSImportRule`** interface represents an @import at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule)
 */
interface CSSImportRule extends CSSRule {
    /**
     * The read-only **`href`** property of the CSSImportRule interface returns the URL specified by the @import at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule/href)
     */
    readonly href: string;
    /**
     * The read-only **`layerName`** property of the CSSImportRule interface returns the name of the cascade layer created by the @import at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule/layerName)
     */
    readonly layerName: string | null;
    /**
     * The read-only **`media`** property of the CSSImportRule interface returns a MediaList object representing the media query list of the @import rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule/media)
     */
    get media(): MediaList;
    set media(mediaText: string);
    /**
     * The read-only **`styleSheet`** property of the CSSImportRule interface returns the CSS Stylesheet specified by the @import at-rule. This will be in the form of a CSSStyleSheet object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule/styleSheet)
     */
    readonly styleSheet: CSSStyleSheet | null;
    /**
     * The read-only **`supportsText`** property of the CSSImportRule interface returns the supports condition specified by the @import at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSImportRule/supportsText)
     */
    readonly supportsText: string | null;
}

declare var CSSImportRule: {
    prototype: CSSImportRule;
    new(): CSSImportRule;
};

/**
 * The **`CSSKeyframeRule`** interface describes an object representing a set of styles for a given keyframe. It corresponds to the contents of a single keyframe of a @keyframes at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframeRule)
 */
interface CSSKeyframeRule extends CSSRule {
    /**
     * The **`keyText`** property of the CSSKeyframeRule interface represents the keyframe selector as a comma-separated list of percentage values. The from and to keywords map to 0% and 100%, respectively.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframeRule/keyText)
     */
    keyText: string;
    /**
     * The read-only **`style`** property of the CSSKeyframeRule interface contains a CSSStyleDeclaration object representing the descriptors available in the @keyframes rule's body.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframeRule/style)
     */
    get style(): CSSStyleDeclaration;
    set style(cssText: string);
}

declare var CSSKeyframeRule: {
    prototype: CSSKeyframeRule;
    new(): CSSKeyframeRule;
};

/**
 * The **`CSSKeyframesRule`** interface describes an object representing a complete set of keyframes for a CSS animation. It corresponds to the contents of a whole @keyframes at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule)
 */
interface CSSKeyframesRule extends CSSRule {
    /**
     * The read-only **`cssRules`** property of the CSSKeyframeRule interface returns a CSSRuleList containing the rules in the keyframes at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/cssRules)
     */
    readonly cssRules: CSSRuleList;
    /**
     * The read-only **`length`** property of the CSSKeyframesRule interface returns the number of CSSKeyframeRule objects in its list. You can then access each keyframe rule by its index directly on the CSSKeyframeRule object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/length)
     */
    readonly length: number;
    /**
     * The **`name`** property of the CSSKeyframeRule interface gets and sets the name of the animation as used by the animation-name property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/name)
     */
    name: string;
    /**
     * The **`appendRule()`** method of the CSSKeyframeRule interface appends a CSSKeyFrameRule to the end of the rules.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/appendRule)
     */
    appendRule(rule: string): void;
    /**
     * The **`deleteRule()`** method of the CSSKeyframeRule interface deletes the CSSKeyFrameRule that matches the specified keyframe selector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/deleteRule)
     */
    deleteRule(select: string): void;
    /**
     * The **`findRule()`** method of the CSSKeyframeRule interface finds the CSSKeyFrameRule that matches the specified keyframe selector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeyframesRule/findRule)
     */
    findRule(select: string): CSSKeyframeRule | null;
    [index: number]: CSSKeyframeRule;
}

declare var CSSKeyframesRule: {
    prototype: CSSKeyframesRule;
    new(): CSSKeyframesRule;
};

/**
 * The **`CSSKeywordValue`** interface of the CSS Typed Object Model API creates an object to represent CSS keywords and other identifiers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeywordValue)
 */
interface CSSKeywordValue extends CSSStyleValue {
    /**
     * The **`value`** property of the CSSKeywordValue interface returns or sets the value of the CSSKeywordValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSKeywordValue/value)
     */
    value: string;
}

declare var CSSKeywordValue: {
    prototype: CSSKeywordValue;
    new(value: string): CSSKeywordValue;
};

/**
 * The **`CSSLayerBlockRule`** represents a @layer block rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSLayerBlockRule)
 */
interface CSSLayerBlockRule extends CSSGroupingRule {
    /**
     * The read-only **`name`** property of the CSSLayerBlockRule interface represents the name of the associated cascade layer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSLayerBlockRule/name)
     */
    readonly name: string;
}

declare var CSSLayerBlockRule: {
    prototype: CSSLayerBlockRule;
    new(): CSSLayerBlockRule;
};

/**
 * The **`CSSLayerStatementRule`** represents a @layer statement rule. Unlike CSSLayerBlockRule, it doesn't contain other rules and merely defines one or several layers by providing their names.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSLayerStatementRule)
 */
interface CSSLayerStatementRule extends CSSRule {
    /**
     * The read-only **`nameList`** property of the CSSLayerStatementRule interface return the list of associated cascade layer names. The names can't be modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSLayerStatementRule/nameList)
     */
    readonly nameList: ReadonlyArray<string>;
}

declare var CSSLayerStatementRule: {
    prototype: CSSLayerStatementRule;
    new(): CSSLayerStatementRule;
};

interface CSSMathClamp extends CSSMathValue {
    readonly lower: CSSNumericValue;
    readonly upper: CSSNumericValue;
    readonly value: CSSNumericValue;
}

declare var CSSMathClamp: {
    prototype: CSSMathClamp;
    new(lower: CSSNumberish, value: CSSNumberish, upper: CSSNumberish): CSSMathClamp;
};

/**
 * The **`CSSMathInvert`** interface of the CSS Typed Object Model API represents a CSS calc() used as calc(1 / <value>). It inherits properties and methods from its parent CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathInvert)
 */
interface CSSMathInvert extends CSSMathValue {
    /**
     * The **`CSSMathInvert.value`** read-only property of the CSSMathInvert interface returns a CSSNumericValue object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathInvert/value)
     */
    readonly value: CSSNumericValue;
}

declare var CSSMathInvert: {
    prototype: CSSMathInvert;
    new(arg: CSSNumberish): CSSMathInvert;
};

/**
 * The **`CSSMathMax`** interface of the CSS Typed Object Model API represents the CSS max() function. It inherits properties and methods from its parent CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathMax)
 */
interface CSSMathMax extends CSSMathValue {
    /**
     * The **`CSSMathMax.values`** read-only property of the CSSMathMax interface returns a CSSNumericArray object which contains one or more CSSNumericValue objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathMax/values)
     */
    readonly values: CSSNumericArray;
}

declare var CSSMathMax: {
    prototype: CSSMathMax;
    new(...args: CSSNumberish[]): CSSMathMax;
};

/**
 * The **`CSSMathMin`** interface of the CSS Typed Object Model API represents the CSS min() function. It inherits properties and methods from its parent CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathMin)
 */
interface CSSMathMin extends CSSMathValue {
    /**
     * The **`CSSMathMin.values`** read-only property of the CSSMathMin interface returns a CSSNumericArray object which contains one or more CSSNumericValue objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathMin/values)
     */
    readonly values: CSSNumericArray;
}

declare var CSSMathMin: {
    prototype: CSSMathMin;
    new(...args: CSSNumberish[]): CSSMathMin;
};

/**
 * The **`CSSMathNegate`** interface of the CSS Typed Object Model API negates the value passed into it. It inherits properties and methods from its parent CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathNegate)
 */
interface CSSMathNegate extends CSSMathValue {
    /**
     * The **`CSSMathNegate.value`** read-only property of the CSSMathNegate interface returns a CSSNumericValue object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathNegate/value)
     */
    readonly value: CSSNumericValue;
}

declare var CSSMathNegate: {
    prototype: CSSMathNegate;
    new(arg: CSSNumberish): CSSMathNegate;
};

/**
 * The **`CSSMathProduct`** interface of the CSS Typed Object Model API represents the result obtained by calling add(), sub(), or toSum() on CSSNumericValue. It inherits properties and methods from its parent CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathProduct)
 */
interface CSSMathProduct extends CSSMathValue {
    /**
     * The **`CSSMathProduct.values`** read-only property of the CSSMathProduct interface returns a CSSNumericArray object which contains one or more CSSNumericValue objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathProduct/values)
     */
    readonly values: CSSNumericArray;
}

declare var CSSMathProduct: {
    prototype: CSSMathProduct;
    new(...args: CSSNumberish[]): CSSMathProduct;
};

/**
 * The **`CSSMathSum`** interface of the CSS Typed Object Model API represents the result obtained by calling add(), sub(), or toSum() on CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathSum)
 */
interface CSSMathSum extends CSSMathValue {
    /**
     * The **`CSSMathSum.values`** read-only property of the CSSMathSum interface returns a CSSNumericArray object which contains one or more CSSNumericValue objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathSum/values)
     */
    readonly values: CSSNumericArray;
}

declare var CSSMathSum: {
    prototype: CSSMathSum;
    new(...args: CSSNumberish[]): CSSMathSum;
};

/**
 * The **`CSSMathValue`** interface of the CSS Typed Object Model API a base class for classes representing complex numeric values.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathValue)
 */
interface CSSMathValue extends CSSNumericValue {
    /**
     * The **`CSSMathValue.operator`** read-only property of the CSSMathValue interface indicates the operator that the current subtype represents. For example, if the current CSSMathValue subtype is CSSMathSum, this property will return the string "sum".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMathValue/operator)
     */
    readonly operator: CSSMathOperator;
}

declare var CSSMathValue: {
    prototype: CSSMathValue;
    new(): CSSMathValue;
};

/**
 * The **`CSSMatrixComponent`** interface of the CSS Typed Object Model API represents the matrix() and matrix3d() values of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMatrixComponent)
 */
interface CSSMatrixComponent extends CSSTransformComponent {
    /**
     * The **`matrix`** property of the CSSMatrixComponent interface gets and sets a 2d or 3d matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMatrixComponent/matrix)
     */
    matrix: DOMMatrix;
}

declare var CSSMatrixComponent: {
    prototype: CSSMatrixComponent;
    new(matrix: DOMMatrixReadOnly, options?: CSSMatrixComponentOptions): CSSMatrixComponent;
};

/**
 * The **`CSSMediaRule`** interface represents a single CSS @media rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMediaRule)
 */
interface CSSMediaRule extends CSSConditionRule {
    /**
     * The read-only **`media`** property of the CSSMediaRule interface contains a MediaList object representing the media query list of the @media rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSMediaRule/media)
     */
    get media(): MediaList;
    set media(mediaText: string);
}

declare var CSSMediaRule: {
    prototype: CSSMediaRule;
    new(): CSSMediaRule;
};

/**
 * The **`CSSNamespaceRule`** interface describes an object representing a single CSS @namespace at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNamespaceRule)
 */
interface CSSNamespaceRule extends CSSRule {
    /**
     * The read-only **`namespaceURI`** property of the CSSNamespaceRule returns a string containing the text of the URI of the given namespace.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNamespaceRule/namespaceURI)
     */
    readonly namespaceURI: string;
    /**
     * The read-only **`prefix`** property of the CSSNamespaceRule returns a string with the name of the prefix associated to this namespace. If there is no such prefix, it returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNamespaceRule/prefix)
     */
    readonly prefix: string;
}

declare var CSSNamespaceRule: {
    prototype: CSSNamespaceRule;
    new(): CSSNamespaceRule;
};

/**
 * The **`CSSNestedDeclarations`** interface of the CSS Rule API is used to group nested CSSRules.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNestedDeclarations)
 */
interface CSSNestedDeclarations extends CSSRule {
    /**
     * The read-only **`style`** property of the CSSNestedDeclarations interface represents the styles associated with the nested rules.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNestedDeclarations/style)
     */
    get style(): CSSStyleDeclaration;
    set style(cssText: string);
}

declare var CSSNestedDeclarations: {
    prototype: CSSNestedDeclarations;
    new(): CSSNestedDeclarations;
};

/**
 * The **`CSSNumericArray`** interface of the CSS Typed Object Model API contains a list of CSSNumericValue objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericArray)
 */
interface CSSNumericArray {
    /**
     * The read-only **`length`** property of the CSSNumericArray interface returns the number of CSSNumericValue objects in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericArray/length)
     */
    readonly length: number;
    forEach(callbackfn: (value: CSSNumericValue, key: number, parent: CSSNumericArray) => void, thisArg?: any): void;
    [index: number]: CSSNumericValue;
}

declare var CSSNumericArray: {
    prototype: CSSNumericArray;
    new(): CSSNumericArray;
};

/**
 * The **`CSSNumericValue`** interface of the CSS Typed Object Model API represents operations that all numeric values can perform.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue)
 */
interface CSSNumericValue extends CSSStyleValue {
    /**
     * The **`add()`** method of the CSSNumericValue interface adds a supplied number to the CSSNumericValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/add)
     */
    add(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`div()`** method of the CSSNumericValue interface divides the CSSNumericValue by the supplied value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/div)
     */
    div(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`equals()`** method of the CSSNumericValue interface returns a boolean indicating whether the passed value are strictly equal. To return a value of true, all passed values must be of the same type and value and must be in the same order. This allows structural equality to be tested quickly.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/equals)
     */
    equals(...value: CSSNumberish[]): boolean;
    /**
     * The **`max()`** method of the CSSNumericValue interface returns the highest value from among the values passed. The passed values must be of the same type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/max)
     */
    max(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`min()`** method of the CSSNumericValue interface returns the lowest value from among those values passed. The passed values must be of the same type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/min)
     */
    min(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`mul()`** method of the CSSNumericValue interface multiplies the CSSNumericValue by the supplied value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/mul)
     */
    mul(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`sub()`** method of the CSSNumericValue interface subtracts a supplied number from the CSSNumericValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/sub)
     */
    sub(...values: CSSNumberish[]): CSSNumericValue;
    /**
     * The **`to()`** method of the CSSNumericValue interface converts a numeric value from one unit to another.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/to)
     */
    to(unit: string): CSSUnitValue;
    /**
     * The **`toSum()`** method of the CSSNumericValue interface converts the object's value to a CSSMathSum object to values of the specified unit.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/toSum)
     */
    toSum(...units: string[]): CSSMathSum;
    /**
     * The **`type()`** method of the CSSNumericValue interface returns the type of CSSNumericValue, one of angle, flex, frequency, length, resolution, percent, percentHint, or time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/type)
     */
    type(): CSSNumericType;
}

declare var CSSNumericValue: {
    prototype: CSSNumericValue;
    new(): CSSNumericValue;
    /**
     * The **`parse()`** static method of the CSSNumericValue interface converts a value string into an object whose members are value and the units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSNumericValue/parse_static)
     */
    parse(cssText: string): CSSNumericValue;
};

/**
 * The **`CSSPageDescriptors`** interface represents a CSS declaration block for an @page at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors)
 */
interface CSSPageDescriptors extends CSSStyleDeclarationBase {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margin) */
    margin: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margin-bottom) */
    "margin-bottom": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margin-left) */
    "margin-left": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margin-right) */
    "margin-right": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margin-top) */
    "margin-top": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#marginbottom) */
    marginBottom: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#marginleft) */
    marginLeft: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#marginright) */
    marginRight: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#margintop) */
    marginTop: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageDescriptors#size) */
    size: string;
}

declare var CSSPageDescriptors: {
    prototype: CSSPageDescriptors;
    new(): CSSPageDescriptors;
};

/**
 * **`CSSPageRule`** represents a single CSS @page rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageRule)
 */
interface CSSPageRule extends CSSGroupingRule {
    /**
     * The **`selectorText`** property of the CSSPageRule interface gets and sets the selectors associated with the CSSPageRule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageRule/selectorText)
     */
    selectorText: string;
    /**
     * The read-only **`style`** property of the CSSPageRule interface contains a CSSPageDescriptors object representing the descriptors available in the @page rule's body.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPageRule/style)
     */
    get style(): CSSPageDescriptors;
    set style(cssText: string);
}

declare var CSSPageRule: {
    prototype: CSSPageRule;
    new(): CSSPageRule;
};

/**
 * The **`CSSPerspective`** interface of the CSS Typed Object Model API represents the perspective() value of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPerspective)
 */
interface CSSPerspective extends CSSTransformComponent {
    /**
     * The **`length`** property of the CSSPerspective interface sets the distance from z=0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPerspective/length)
     */
    length: CSSPerspectiveValue;
}

declare var CSSPerspective: {
    prototype: CSSPerspective;
    new(length: CSSPerspectiveValue): CSSPerspective;
};

/**
 * The **`CSSPositionTryDescriptors`** interface defines properties that represent the list of CSS descriptors that can be set in the body of a @position-try at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors)
 */
interface CSSPositionTryDescriptors extends CSSStyleDeclarationBase {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "align-self": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    alignSelf: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "block-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    blockSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    bottom: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    height: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inline-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    inlineSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    inset: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-block": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-block-end": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-block-start": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-inline": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-inline-end": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "inset-inline-start": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetBlock: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetBlockEnd: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetBlockStart: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetInline: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetInlineEnd: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    insetInlineStart: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "justify-self": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    justifySelf: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    left: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    margin: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-block": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-block-end": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-block-start": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-bottom": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-inline": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-inline-end": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-inline-start": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-left": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-right": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "margin-top": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginBlock: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginBlockEnd: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginBlockStart: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginBottom: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginInline: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginInlineEnd: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginInlineStart: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginLeft: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginRight: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    marginTop: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "max-block-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "max-height": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "max-inline-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "max-width": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    maxBlockSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    maxHeight: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    maxInlineSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    maxWidth: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "min-block-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "min-height": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "min-inline-size": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "min-width": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    minBlockSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    minHeight: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    minInlineSize: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    minWidth: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "place-self": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    placeSelf: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "position-anchor": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    "position-area": string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    positionAnchor: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    positionArea: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    right: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    top: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryDescriptors#instance_properties) */
    width: string;
}

declare var CSSPositionTryDescriptors: {
    prototype: CSSPositionTryDescriptors;
    new(): CSSPositionTryDescriptors;
};

/**
 * The **`CSSPositionTryRule`** interface describes an object representing a @position-try at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryRule)
 */
interface CSSPositionTryRule extends CSSRule {
    /**
     * The **`name`** read-only property of the CSSPositionTryRule interface represents the name of the position try fallback option specified by the @position-try at-rule's <dashed-ident>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryRule/name)
     */
    readonly name: string;
    /**
     * The read-only **`style`** property of the CSSPositionTryRule interface contains a CSSPositionTryDescriptors object representing the descriptors available in the @position-try rule's body.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPositionTryRule/style)
     */
    get style(): CSSPositionTryDescriptors;
    set style(cssText: string);
}

declare var CSSPositionTryRule: {
    prototype: CSSPositionTryRule;
    new(): CSSPositionTryRule;
};

/**
 * The **`CSSPropertyRule`** interface of the CSS Properties and Values API represents a single CSS @property rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPropertyRule)
 */
interface CSSPropertyRule extends CSSRule {
    /**
     * The read-only **`inherits`** property of the CSSPropertyRule interface returns the inherit flag of the custom property registration represented by the @property rule, a boolean describing whether or not the property inherits by default.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPropertyRule/inherits)
     */
    readonly inherits: boolean;
    /**
     * The read-only **`initialValue`** nullable property of the CSSPropertyRule interface returns the initial value of the custom property registration represented by the @property rule, controlling the property's initial value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPropertyRule/initialValue)
     */
    readonly initialValue: string | null;
    /**
     * The read-only **`name`** property of the CSSPropertyRule interface represents the property name, this being the serialization of the name given to the custom property in the @property rule's prelude.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPropertyRule/name)
     */
    readonly name: string;
    /**
     * The read-only **`syntax`** property of the CSSPropertyRule interface returns the literal syntax of the custom property registration represented by the @property rule, controlling how the property's value is parsed at computed-value time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSPropertyRule/syntax)
     */
    readonly syntax: string;
}

declare var CSSPropertyRule: {
    prototype: CSSPropertyRule;
    new(): CSSPropertyRule;
};

/**
 * The **`CSSRotate`** interface of the CSS Typed Object Model API represents the rotate value of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRotate)
 */
interface CSSRotate extends CSSTransformComponent {
    /**
     * The **`angle`** property of the CSSRotate interface gets and sets the angle of rotation. A positive angle denotes a clockwise rotation, a negative angle a counter-clockwise one.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRotate/angle)
     */
    angle: CSSNumericValue;
    /**
     * The **`x`** property of the CSSRotate interface gets and sets the abscissa or x-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRotate/x)
     */
    x: CSSNumberish;
    /**
     * The **`y`** property of the CSSRotate interface gets and sets the ordinate or y-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRotate/y)
     */
    y: CSSNumberish;
    /**
     * The **`z`** property of the CSSRotate interface representing the z-component of the translating vector. A positive value moves the element towards the viewer, and a negative value farther away.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRotate/z)
     */
    z: CSSNumberish;
}

declare var CSSRotate: {
    prototype: CSSRotate;
    new(angle: CSSNumericValue): CSSRotate;
    new(x: CSSNumberish, y: CSSNumberish, z: CSSNumberish, angle: CSSNumericValue): CSSRotate;
};

/**
 * The **`CSSRule`** interface represents a single CSS rule. There are several types of rules which inherit properties from CSSRule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRule)
 */
interface CSSRule {
    /**
     * The **`cssText`** property of the CSSRule interface returns the actual text of a CSSStyleSheet style-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRule/cssText)
     */
    cssText: string;
    /**
     * The **`parentRule`** property of the CSSRule interface returns the containing rule of the current rule if this exists, or otherwise returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRule/parentRule)
     */
    readonly parentRule: CSSRule | null;
    /**
     * The **`parentStyleSheet`** property of the CSSRule interface returns the StyleSheet object in which the current rule is defined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRule/parentStyleSheet)
     */
    readonly parentStyleSheet: CSSStyleSheet | null;
    /**
     * The read-only **`type`** property of the CSSRule interface is a deprecated property that returns an integer indicating which type of rule the CSSRule represents.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRule/type)
     */
    readonly type: number;
    readonly STYLE_RULE: 1;
    readonly CHARSET_RULE: 2;
    readonly IMPORT_RULE: 3;
    readonly MEDIA_RULE: 4;
    readonly FONT_FACE_RULE: 5;
    readonly PAGE_RULE: 6;
    readonly MARGIN_RULE: 9;
    readonly NAMESPACE_RULE: 10;
    readonly KEYFRAMES_RULE: 7;
    readonly KEYFRAME_RULE: 8;
    readonly SUPPORTS_RULE: 12;
    readonly COUNTER_STYLE_RULE: 11;
    readonly FONT_FEATURE_VALUES_RULE: 14;
}

declare var CSSRule: {
    prototype: CSSRule;
    new(): CSSRule;
    readonly STYLE_RULE: 1;
    readonly CHARSET_RULE: 2;
    readonly IMPORT_RULE: 3;
    readonly MEDIA_RULE: 4;
    readonly FONT_FACE_RULE: 5;
    readonly PAGE_RULE: 6;
    readonly MARGIN_RULE: 9;
    readonly NAMESPACE_RULE: 10;
    readonly KEYFRAMES_RULE: 7;
    readonly KEYFRAME_RULE: 8;
    readonly SUPPORTS_RULE: 12;
    readonly COUNTER_STYLE_RULE: 11;
    readonly FONT_FEATURE_VALUES_RULE: 14;
};

/**
 * A **`CSSRuleList`** represents an ordered collection of read-only CSSRule objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRuleList)
 */
interface CSSRuleList {
    /**
     * The **`length`** property of the CSSRuleList interface returns the number of CSSRule objects in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRuleList/length)
     */
    readonly length: number;
    /**
     * The **`item()`** method of the CSSRuleList interface returns the CSSRule object at the specified index or null if the specified index doesn't exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSRuleList/item)
     */
    item(index: number): CSSRule | null;
    [index: number]: CSSRule;
}

declare var CSSRuleList: {
    prototype: CSSRuleList;
    new(): CSSRuleList;
};

/**
 * The **`CSSScale`** interface of the CSS Typed Object Model API represents the scale() and scale3d() values of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScale)
 */
interface CSSScale extends CSSTransformComponent {
    /**
     * The **`x`** property of the CSSScale interface gets and sets the abscissa or x-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScale/x)
     */
    x: CSSNumberish;
    /**
     * The **`y`** property of the CSSScale interface gets and sets the ordinate or y-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScale/y)
     */
    y: CSSNumberish;
    /**
     * The **`z`** property of the CSSScale interface representing the z-component of the translating vector. A positive value moves the element towards the viewer, and a negative value farther away.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScale/z)
     */
    z: CSSNumberish;
}

declare var CSSScale: {
    prototype: CSSScale;
    new(x: CSSNumberish, y: CSSNumberish, z?: CSSNumberish): CSSScale;
};

/**
 * The **`CSSScopeRule`** interface of the CSS Object Model represents a CSS @scope at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScopeRule)
 */
interface CSSScopeRule extends CSSGroupingRule {
    /**
     * The **`end`** property of the CSSScopeRule interface returns a string containing the value of the @scope at-rule's scope limit.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScopeRule/end)
     */
    readonly end: string | null;
    /**
     * The **`start`** property of the CSSScopeRule interface returns a string containing the value of the @scope at-rule's scope root.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSScopeRule/start)
     */
    readonly start: string | null;
}

declare var CSSScopeRule: {
    prototype: CSSScopeRule;
    new(): CSSScopeRule;
};

/**
 * The **`CSSSkew`** interface of the CSS Typed Object Model API is part of the CSSTransformValue interface. It represents the skew() value of the individual transform property in CSS.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkew)
 */
interface CSSSkew extends CSSTransformComponent {
    /**
     * The **`ax`** property of the CSSSkew interface gets and sets the angle used to distort the element along the x-axis (or abscissa).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkew/ax)
     */
    ax: CSSNumericValue;
    /**
     * The **`ay`** property of the CSSSkew interface gets and sets the angle used to distort the element along the y-axis (or ordinate).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkew/ay)
     */
    ay: CSSNumericValue;
}

declare var CSSSkew: {
    prototype: CSSSkew;
    new(ax: CSSNumericValue, ay: CSSNumericValue): CSSSkew;
};

/**
 * The **`CSSSkewX`** interface of the CSS Typed Object Model API represents the skewX() value of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkewX)
 */
interface CSSSkewX extends CSSTransformComponent {
    /**
     * The **`ax`** property of the CSSSkewX interface gets and sets the angle used to distort the element along the x-axis (or abscissa).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkewX/ax)
     */
    ax: CSSNumericValue;
}

declare var CSSSkewX: {
    prototype: CSSSkewX;
    new(ax: CSSNumericValue): CSSSkewX;
};

/**
 * The **`CSSSkewY`** interface of the CSS Typed Object Model API represents the skewY() value of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkewY)
 */
interface CSSSkewY extends CSSTransformComponent {
    /**
     * The **`ay`** property of the CSSSkewY interface gets and sets the angle used to distort the element along the y-axis (or ordinate).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSkewY/ay)
     */
    ay: CSSNumericValue;
}

declare var CSSSkewY: {
    prototype: CSSSkewY;
    new(ay: CSSNumericValue): CSSSkewY;
};

/**
 * The **`CSSStartingStyleRule`** interface of the CSS Object Model represents a CSS @starting-style at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStartingStyleRule)
 */
interface CSSStartingStyleRule extends CSSGroupingRule {
}

declare var CSSStartingStyleRule: {
    prototype: CSSStartingStyleRule;
    new(): CSSStartingStyleRule;
};

/**
 * The **`CSSStyleDeclaration`** interface is the base class for objects that represent CSS declaration blocks with different supported sets of CSS style information:
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration)
 */
interface CSSStyleDeclarationBase {
    /**
     * The **`cssText`** property of the CSSStyleDeclaration interface returns or sets the text of the element's inline style declaration only.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/cssText)
     */
    cssText: string;
    /**
     * The read-only property returns an integer that represents the number of style declarations in this CSS declaration block.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/length)
     */
    readonly length: number;
    /**
     * The **`CSSStyleDeclaration.parentRule`** read-only property returns a CSSRule that is the parent of this style block, e.g., a CSSStyleRule representing the style for a CSS selector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/parentRule)
     */
    readonly parentRule: CSSRule | null;
    /**
     * The **`CSSStyleDeclaration.getPropertyPriority()`** method interface returns a string that provides all explicitly set priorities on the CSS property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/getPropertyPriority)
     */
    getPropertyPriority(property: string): string;
    /**
     * The **`CSSStyleDeclaration.getPropertyValue()`** method interface returns a string containing the value of a specified CSS property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/getPropertyValue)
     */
    getPropertyValue(property: string): string;
    /**
     * The **`CSSStyleDeclaration.item()`** method interface returns a CSS property name from a CSSStyleDeclaration by index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/item)
     */
    item(index: number): string;
    /**
     * The **`CSSStyleDeclaration.removeProperty()`** method interface removes a property from a CSS style declaration object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/removeProperty)
     */
    removeProperty(property: string): string;
    /**
     * The **`CSSStyleDeclaration.setProperty()`** method interface sets a new value for a property on a CSS style declaration object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleDeclaration/setProperty)
     */
    setProperty(property: string, value: string | null, priority?: string): void;
    [index: number]: string;
}

interface CSSStyleDeclaration extends CSSStyleProperties {
}

declare var CSSStyleDeclaration: {
    prototype: CSSStyleDeclaration;
    new(): CSSStyleDeclaration;
};

/**
 * The **`CSSStyleProperties`** interface of the CSS Object Model (CSSOM) represents inline or computed styles available on an element, or the styles associated with a CSS style rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleProperties)
 */
interface CSSStyleProperties extends CSSStyleDeclarationBase {
    /**
     * The accent-color CSS property sets the accent color for user-interface controls generated by some elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/accent-color)
     */
    accentColor: string;
    /**
     * The CSS align-content property sets the distribution of space between and around content items along a flexbox's cross axis, or a grid or block-level element's block axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-content)
     */
    alignContent: string;
    /**
     * The CSS align-items property sets the align-self value on all direct children as a group. In flexbox, it controls the alignment of items on the cross axis. In grid layout, it controls the alignment of items on the block axis within their grid areas.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-items)
     */
    alignItems: string;
    /**
     * The align-self CSS property overrides a grid or flex item's align-items value. In grid, it aligns the item inside the grid area. In flexbox, it aligns the item on the cross axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-self)
     */
    alignSelf: string;
    /**
     * The alignment-baseline CSS property specifies the specific baseline used to align the box's text and inline-level contents. Baseline alignment is the relationship among the baselines of multiple alignment subjects within an alignment context. When performing baseline alignment, the alignment-baseline property value specifies which baseline of the box is aligned to the corresponding baseline of its alignment context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/alignment-baseline)
     */
    alignmentBaseline: string;
    /**
     * The **`all`** shorthand CSS property resets all of an element's properties except unicode-bidi, direction, and CSS Custom Properties. It can set properties to their initial or inherited values, or to the values specified in another cascade layer or stylesheet origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/all)
     */
    all: string;
    /**
     * The anchor-name CSS property enables defining an element as an anchor element by giving it one or more identifying anchor names. Each name can then be set as the value of a positioned element's position-anchor property to associate it with the anchor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/anchor-name)
     */
    anchorName: string;
    /**
     * The anchor-scope CSS property can be used to limit the scope in which a positioned element can be associated with anchor elements to a particular subtree.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/anchor-scope)
     */
    anchorScope: string;
    /**
     * The **`animation`** shorthand CSS property applies an animation between styles. It is a shorthand for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, animation-play-state, and animation-timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation)
     */
    animation: string;
    /**
     * The animation-composition CSS property specifies the composite operation to use when multiple animations affect the same property simultaneously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-composition)
     */
    animationComposition: string;
    /**
     * The animation-delay CSS property specifies the amount of time to wait from applying the animation to an element before beginning to perform the animation. The animation can start later, immediately from its beginning, or immediately and partway through the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-delay)
     */
    animationDelay: string;
    /**
     * The animation-direction CSS property sets whether an animation should play forward, backward, or alternate back and forth between playing the sequence forward and backward.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-direction)
     */
    animationDirection: string;
    /**
     * The animation-duration CSS property sets the length of time that an animation takes to complete one cycle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-duration)
     */
    animationDuration: string;
    /**
     * The animation-fill-mode CSS property sets how a CSS animation applies styles to its target before and after its execution.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-fill-mode)
     */
    animationFillMode: string;
    /**
     * The animation-iteration-count CSS property sets the number of times an animation sequence should be played before stopping.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-iteration-count)
     */
    animationIterationCount: string;
    /**
     * The animation-name CSS property specifies the names of one or more @keyframes at-rules that describe the animation to apply to an element. Multiple @keyframes at-rules are specified as a comma-separated list of names. If the specified name does not match any @keyframes at-rule, no properties are animated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-name)
     */
    animationName: string;
    /**
     * The animation-play-state CSS property sets whether an animation is running or paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-play-state)
     */
    animationPlayState: string;
    /**
     * The animation-range CSS shorthand property is used to set the start and end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start and end.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range)
     */
    animationRange: string;
    /**
     * The animation-range-end CSS property sets the point on the timeline where an animation should end.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-end)
     */
    animationRangeEnd: string;
    /**
     * The animation-range-start CSS property sets the point on the timeline where an animation should start.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-start)
     */
    animationRangeStart: string;
    /**
     * The animation-timeline CSS property specifies the timeline used to control the progress of a CSS animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-timeline)
     */
    animationTimeline: string;
    /**
     * The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-timing-function)
     */
    animationTimingFunction: string;
    /**
     * The **`appearance`** CSS property specifies the rendered appearance of replaced UI widget elements such as form controls. Most commonly, such elements are given native, platform-specific styling based on the operating system's theme, or a primitive appearance with styles that can be overridden using CSS.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/appearance)
     */
    appearance: string;
    /**
     * The aspect-ratio CSS property allows you to define the desired width-to-height ratio of an element's box. This means that even if the parent container or viewport size changes, the browser will adjust the element's dimensions to maintain the specified width-to-height ratio. The specified aspect ratio is used in the calculation of auto sizes and some other layout functions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/aspect-ratio)
     */
    aspectRatio: string;
    /**
     * The backdrop-filter CSS property lets you apply graphical effects such as blurring or color shifting to the area behind an element. Because it applies to everything behind the element, to see the effect the element or its background needs to be transparent or partially transparent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/backdrop-filter)
     */
    backdropFilter: string;
    /**
     * The backface-visibility CSS property sets whether the back face of an element is visible when turned towards the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/backface-visibility)
     */
    backfaceVisibility: string;
    /**
     * The **`background`** shorthand CSS property sets all background style properties at once, such as color, image, origin, size, and repeat method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background)
     */
    background: string;
    /**
     * The background-attachment CSS property sets whether a background image's position is fixed within the viewport, or scrolls with its containing block.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-attachment)
     */
    backgroundAttachment: string;
    /**
     * The background-blend-mode CSS property sets how an element's background images should blend with each other and with the element's background color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-blend-mode)
     */
    backgroundBlendMode: string;
    /**
     * The background-clip CSS property sets whether an element's background extends underneath its border box, padding box, or content box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-clip)
     */
    backgroundClip: string;
    /**
     * The background-color CSS property sets the background color of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-color)
     */
    backgroundColor: string;
    /**
     * The background-image CSS property sets one or more background images on an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-image)
     */
    backgroundImage: string;
    /**
     * The background-origin CSS property sets the background's origin: from the border start, inside the border, or inside the padding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-origin)
     */
    backgroundOrigin: string;
    /**
     * The background-position CSS property sets the initial position for each background image. The position is relative to the position layer set by background-origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-position)
     */
    backgroundPosition: string;
    /**
     * The background-position-x CSS property sets the initial horizontal position for each background image. The position is relative to the position layer set by background-origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-position-x)
     */
    backgroundPositionX: string;
    /**
     * The background-position-y CSS property sets the initial vertical position for each background image. The position is relative to the position layer set by background-origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-position-y)
     */
    backgroundPositionY: string;
    /**
     * The background-repeat CSS property sets how background images are repeated. A background image can be repeated along the horizontal and vertical axes, or not repeated at all.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-repeat)
     */
    backgroundRepeat: string;
    /**
     * The background-size CSS property sets the size of the element's background image. The image can be left to its natural size, stretched, or constrained to fit the available space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-size)
     */
    backgroundSize: string;
    /** The baseline-shift CSS property repositions the dominant-baseline of a text element relative to the dominant-baseline of its parent text content element. The shifted element might be a sub- or superscript. If the property is present, the value overrides the element's baseline-shift attribute. */
    baselineShift: string;
    /**
     * The baseline-source CSS property defines which baseline to use when inline-level boxes have multiple possible baselines, such as multi-line inline blocks or inline flex containers. The values allow for choosing between aligning to the box's first baseline, last baseline, or letting the browser decide automatically based on the box type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/baseline-source)
     */
    baselineSource: string;
    /**
     * The block-size CSS property defines the size of an element's block along the block axis. If the writing-mode is horizontal, it corresponds to the height; if the writing mode is vertical, it corresponds to the width. A related property is inline-size, which defines the other dimension of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/block-size)
     */
    blockSize: string;
    /**
     * The **`border`** shorthand CSS property sets an element's border. It sets the values of border-width, border-style, and border-color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border)
     */
    border: string;
    /**
     * The border-block CSS property is a shorthand property for setting the individual logical block border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block)
     */
    borderBlock: string;
    /**
     * The border-block-color CSS property defines the color of the logical block borders of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color and border-bottom-color, or border-right-color and border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-color)
     */
    borderBlockColor: string;
    /**
     * The border-block-end CSS property is a shorthand property for setting the individual logical block-end border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-end)
     */
    borderBlockEnd: string;
    /**
     * The border-block-end-color CSS property defines the color of the logical block-end border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color, border-right-color, border-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-end-color)
     */
    borderBlockEndColor: string;
    /**
     * The border-block-end-style CSS property defines the style of the logical block-end border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style, border-right-style, border-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-end-style)
     */
    borderBlockEndStyle: string;
    /**
     * The border-block-end-width CSS property defines the width of the logical block-end border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width, border-right-width, border-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-end-width)
     */
    borderBlockEndWidth: string;
    /**
     * The border-block-start CSS property is a shorthand property for setting the individual logical block-start border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-start)
     */
    borderBlockStart: string;
    /**
     * The border-block-start-color CSS property defines the color of the logical block-start border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color, border-right-color, border-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-start-color)
     */
    borderBlockStartColor: string;
    /**
     * The border-block-start-style CSS property defines the style of the logical block start border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style, border-right-style, border-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-start-style)
     */
    borderBlockStartStyle: string;
    /**
     * The border-block-start-width CSS property defines the width of the logical block-start border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width, border-right-width, border-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-start-width)
     */
    borderBlockStartWidth: string;
    /**
     * The border-block-style CSS property defines the style of the logical block borders of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style and border-bottom-style, or border-left-style and border-right-style properties depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-style)
     */
    borderBlockStyle: string;
    /**
     * The border-block-width CSS property defines the width of the logical block borders of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width and border-bottom-width, or border-left-width, and border-right-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-block-width)
     */
    borderBlockWidth: string;
    /**
     * The border-bottom shorthand CSS property sets an element's bottom border. It sets the values of border-bottom-width, border-bottom-style and border-bottom-color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom)
     */
    borderBottom: string;
    /**
     * The border-bottom-color CSS property sets the color of an element's bottom border. It can also be set with the shorthand CSS properties border-color or border-bottom.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-color)
     */
    borderBottomColor: string;
    /**
     * The border-bottom-left-radius CSS property rounds the bottom-left corner of an element by specifying the radius (or the radius of the semi-major and semi-minor axes) of the ellipse defining the curvature of the corner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-left-radius)
     */
    borderBottomLeftRadius: string;
    /**
     * The border-bottom-right-radius CSS property rounds the bottom-right corner of an element by specifying the radius (or the radius of the semi-major and semi-minor axes) of the ellipse defining the curvature of the corner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-right-radius)
     */
    borderBottomRightRadius: string;
    /**
     * The border-bottom-style CSS property sets the line style of an element's bottom border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-style)
     */
    borderBottomStyle: string;
    /**
     * The border-bottom-width CSS property sets the width of the bottom border of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-width)
     */
    borderBottomWidth: string;
    /**
     * The border-collapse CSS property sets whether cells inside a <table> have shared or separate borders.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-collapse)
     */
    borderCollapse: string;
    /**
     * The border-color shorthand CSS property sets the color of an element's border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-color)
     */
    borderColor: string;
    /**
     * The border-end-end-radius CSS property defines a logical border radius on an element, which maps to a physical border radius that depends on the element's writing-mode, direction, and text-orientation. This is useful when building styles to work regardless of the text orientation and writing mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-end-end-radius)
     */
    borderEndEndRadius: string;
    /**
     * The border-end-start-radius CSS property defines a logical border radius on an element, which maps to a physical border radius depending on the element's writing-mode, direction, and text-orientation. This is useful when building styles to work regardless of the text orientation and writing mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-end-start-radius)
     */
    borderEndStartRadius: string;
    /**
     * The border-image CSS property draws an image around a given element. It replaces the element's regular border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image)
     */
    borderImage: string;
    /**
     * The border-image-outset CSS property sets the distance by which an element's border image is set out from its border box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image-outset)
     */
    borderImageOutset: string;
    /**
     * The border-image-repeat CSS property defines how the images for the sides and the middle part of the border image are scaled and tiled. The middle region can be displayed by using the keyword "fill" in the border-image-slice property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image-repeat)
     */
    borderImageRepeat: string;
    /**
     * The border-image-slice CSS property divides the image specified by border-image-source into regions. These regions form the components of an element's border image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image-slice)
     */
    borderImageSlice: string;
    /**
     * The border-image-source CSS property sets the source image used to create an element's border image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image-source)
     */
    borderImageSource: string;
    /**
     * The border-image-width CSS property sets the width of an element's border image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-image-width)
     */
    borderImageWidth: string;
    /**
     * The border-inline CSS property is a shorthand property for setting the individual logical inline border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline)
     */
    borderInline: string;
    /**
     * The border-inline-color CSS property defines the color of the logical inline borders of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color and border-bottom-color, or border-right-color and border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-color)
     */
    borderInlineColor: string;
    /**
     * The border-inline-end CSS property is a shorthand property for setting the individual logical inline-end border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-end)
     */
    borderInlineEnd: string;
    /**
     * The border-inline-end-color CSS property defines the color of the logical inline-end border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color, border-right-color, border-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-end-color)
     */
    borderInlineEndColor: string;
    /**
     * The border-inline-end-style CSS property defines the style of the logical inline end border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style, border-right-style, border-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-end-style)
     */
    borderInlineEndStyle: string;
    /**
     * The border-inline-end-width CSS property defines the width of the logical inline-end border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width, border-right-width, border-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-end-width)
     */
    borderInlineEndWidth: string;
    /**
     * The border-inline-start CSS property is a shorthand property for setting the individual logical inline-start border property values in a single place in the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-start)
     */
    borderInlineStart: string;
    /**
     * The border-inline-start-color CSS property defines the color of the logical inline start border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-color, border-right-color, border-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-start-color)
     */
    borderInlineStartColor: string;
    /**
     * The border-inline-start-style CSS property defines the style of the logical inline start border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style, border-right-style, border-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-start-style)
     */
    borderInlineStartStyle: string;
    /**
     * The border-inline-start-width CSS property defines the width of the logical inline-start border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width, border-right-width, border-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-start-width)
     */
    borderInlineStartWidth: string;
    /**
     * The border-inline-style CSS property defines the style of the logical inline borders of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style and border-bottom-style, or border-left-style and border-right-style properties depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-style)
     */
    borderInlineStyle: string;
    /**
     * The border-inline-width CSS property defines the width of the logical inline borders of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-width and border-bottom-width, or border-left-width, and border-right-width property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-inline-width)
     */
    borderInlineWidth: string;
    /**
     * The border-left shorthand CSS property sets all the properties of an element's left border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-left)
     */
    borderLeft: string;
    /**
     * The border-left-color CSS property sets the color of an element's left border. It can also be set with the shorthand CSS properties border-color or border-left.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-left-color)
     */
    borderLeftColor: string;
    /**
     * The border-left-style CSS property sets the line style of an element's left border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-left-style)
     */
    borderLeftStyle: string;
    /**
     * The border-left-width CSS property sets the width of the left border of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-left-width)
     */
    borderLeftWidth: string;
    /**
     * The border-radius CSS property rounds the corners of an element's outer border edge. You can set a single radius to make circular corners, or two radii to make elliptical corners.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-radius)
     */
    borderRadius: string;
    /**
     * The border-right shorthand CSS property sets all the properties of an element's right border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-right)
     */
    borderRight: string;
    /**
     * The border-right-color CSS property sets the color of an element's right border. It can also be set with the shorthand CSS properties border-color or border-right.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-right-color)
     */
    borderRightColor: string;
    /**
     * The border-right-style CSS property sets the line style of an element's right border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-right-style)
     */
    borderRightStyle: string;
    /**
     * The border-right-width CSS property sets the width of the right border of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-right-width)
     */
    borderRightWidth: string;
    /**
     * The border-spacing CSS property sets the distance between the borders of adjacent cells in a <table>. This property applies only when border-collapse is separate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-spacing)
     */
    borderSpacing: string;
    /**
     * The border-start-end-radius CSS property defines a logical border radius on an element, which maps to a physical border radius depending on the element's writing-mode, direction, and text-orientation. This is useful when building styles to work regardless of the text orientation and writing mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-start-end-radius)
     */
    borderStartEndRadius: string;
    /**
     * The border-start-start-radius CSS property defines a logical border radius on an element, which maps to a physical border radius that depends on the element's writing-mode, direction, and text-orientation. This is useful when building styles to work regardless of the text orientation and writing mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-start-start-radius)
     */
    borderStartStartRadius: string;
    /**
     * The border-style shorthand CSS property sets the line style for all four sides of an element's border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-style)
     */
    borderStyle: string;
    /**
     * The border-top shorthand CSS property sets all the properties of an element's top border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top)
     */
    borderTop: string;
    /**
     * The border-top-color CSS property sets the color of an element's top border. It can also be set with the shorthand CSS properties border-color or border-top.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-color)
     */
    borderTopColor: string;
    /**
     * The border-top-left-radius CSS property rounds the top-left corner of an element by specifying the radius (or the radius of the semi-major and semi-minor axes) of the ellipse defining the curvature of the corner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-left-radius)
     */
    borderTopLeftRadius: string;
    /**
     * The border-top-right-radius CSS property rounds the top-right corner of an element by specifying the radius (or the radius of the semi-major and semi-minor axes) of the ellipse defining the curvature of the corner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-right-radius)
     */
    borderTopRightRadius: string;
    /**
     * The border-top-style CSS property sets the line style of an element's top border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-style)
     */
    borderTopStyle: string;
    /**
     * The border-top-width CSS property sets the width of the top border of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-width)
     */
    borderTopWidth: string;
    /**
     * The border-width shorthand CSS property sets the width of an element's border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-width)
     */
    borderWidth: string;
    /**
     * The **`bottom`** CSS property participates in setting the vertical position of a positioned element. This inset property has no effect on non-positioned elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/bottom)
     */
    bottom: string;
    /**
     * The box-decoration-break CSS property specifies how an element's fragments should be rendered when broken across multiple lines, columns, or pages.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-decoration-break)
     */
    boxDecorationBreak: string;
    /**
     * The box-shadow CSS property adds shadow effects around an element's frame. You can set multiple effects separated by commas. A box shadow is described by X and Y offsets relative to the element, blur and spread radius, and color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-shadow)
     */
    boxShadow: string;
    /**
     * The box-sizing CSS property sets how the total width and height of an element is calculated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-sizing)
     */
    boxSizing: string;
    /**
     * The break-after CSS property sets how page, column, or region breaks should behave after a generated box. If there is no generated box, the property is ignored.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/break-after)
     */
    breakAfter: string;
    /**
     * The break-before CSS property sets how page, column, or region breaks should behave before a generated box. If there is no generated box, the property is ignored.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/break-before)
     */
    breakBefore: string;
    /**
     * The break-inside CSS property sets how page, column, or region breaks should behave inside a generated box. If there is no generated box, the property is ignored.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/break-inside)
     */
    breakInside: string;
    /**
     * The caption-side CSS property puts the content of a table's <caption> on the specified side. The values are relative to the writing-mode of the table.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/caption-side)
     */
    captionSide: string;
    /**
     * The caret-color CSS property sets the color of the insertion caret, sometimes referred to as the text input cursor. This is the visible marker appearing at the insertion point where the next character typed will be added or where the next character deleted will be removed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/caret-color)
     */
    caretColor: string;
    /**
     * The **`clear`** CSS property sets whether an element must be moved below (cleared) floating elements that precede it. The clear property applies to floating and non-floating elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/clear)
     */
    clear: string;
    /**
     * The **`clip`** CSS property defines a visible portion of an element. The clip property applies only to absolutely positioned elements — that is, elements with position:absolute or position:fixed.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/clip)
     */
    clip: string;
    /**
     * The clip-path CSS property creates a clipping region that sets what part of an element should be shown. Parts that are inside the region are shown, while those outside are hidden.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/clip-path)
     */
    clipPath: string;
    /**
     * The clip-rule CSS property determines, when parts of the path overlap other parts, which pixels in a mask's box are inside the clipping shape defined by a clip path and which are outside.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/clip-rule)
     */
    clipRule: string;
    /**
     * The **`color`** CSS property sets the foreground color value of an element's text and text decorations, and sets the currentColor value. currentColor may be used as an indirect value on other properties and is the default for other color properties, such as border-color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/color)
     */
    color: string;
    /**
     * The color-interpolation CSS property is used in SVG to specify which color space to use for <linearGradient> and <radialGradient> SVG elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/color-interpolation)
     */
    colorInterpolation: string;
    /**
     * The color-interpolation-filters CSS property specifies the color space for imaging operations performed via SVG filter effects. If explicitly declared, the value of the CSS property overrides any value given in the element's color-interpolation-filters attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/color-interpolation-filters)
     */
    colorInterpolationFilters: string;
    /**
     * The color-scheme CSS property allows an element to indicate which color schemes it can comfortably be rendered in. User agents change the following aspects of the UI chrome to match the used color scheme:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/color-scheme)
     */
    colorScheme: string;
    /**
     * The column-count CSS property breaks an element's content into the specified number of columns.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-count)
     */
    columnCount: string;
    /**
     * The column-fill CSS property controls how an element's contents are balanced when broken into columns.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-fill)
     */
    columnFill: string;
    /**
     * The column-gap CSS property sets the size of the gap (gutter) between an element's columns.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-gap)
     */
    columnGap: string;
    /**
     * The column-rule shorthand CSS property sets the width, style, and color of the line drawn between columns in a multi-column layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-rule)
     */
    columnRule: string;
    /**
     * The column-rule-color CSS property sets the color of the line drawn between columns in a multi-column layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-rule-color)
     */
    columnRuleColor: string;
    /**
     * The column-rule-style CSS property sets the style of the line drawn between columns in a multi-column layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-rule-style)
     */
    columnRuleStyle: string;
    /**
     * The column-rule-width CSS property sets the width of the line drawn between columns in a multi-column layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-rule-width)
     */
    columnRuleWidth: string;
    /**
     * The column-span CSS property makes it possible for an element to span across all columns when its value is set to all.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-span)
     */
    columnSpan: string;
    /**
     * The column-width CSS property sets the ideal column width in a multi-column layout. The container will have as many columns as can fit without any of them having a width less than the column-width value. If the width of the container is narrower than the specified value, the single column's width will be smaller than the declared column width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/column-width)
     */
    columnWidth: string;
    /**
     * The **`columns`** CSS shorthand property sets the number of columns to use when drawing an element's contents, as well as those columns' widths.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/columns)
     */
    columns: string;
    /**
     * The **`contain`** CSS property indicates that an element and its contents are, as much as possible, independent from the rest of the document tree. Containment enables isolating a subsection of the DOM, providing performance benefits by limiting calculations of layout, style, paint, size, or any combination to a DOM subtree rather than the entire page. Containment can also be used to scope CSS counters and quotes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain)
     */
    contain: string;
    /**
     * The contain-intrinsic-block-size CSS logical property defines the block size of an element that a browser can use for layout when the element is subject to size containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain-intrinsic-block-size)
     */
    containIntrinsicBlockSize: string;
    /**
     * The contain-intrinsic-height CSS property sets the height of an element that a browser can use for layout when the element is subject to size containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain-intrinsic-height)
     */
    containIntrinsicHeight: string;
    /**
     * The contain-intrinsic-inline-size CSS logical property defines the inline-size of an element that a browser can use for layout when the element is subject to size containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain-intrinsic-inline-size)
     */
    containIntrinsicInlineSize: string;
    /**
     * The contain-intrinsic-size CSS shorthand property sets the size of an element that a browser will use for layout when the element is subject to size containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain-intrinsic-size)
     */
    containIntrinsicSize: string;
    /**
     * The contain-intrinsic-width CSS property sets the width of an element that a browser will use for layout when the element is subject to size containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/contain-intrinsic-width)
     */
    containIntrinsicWidth: string;
    /**
     * The **`container`** shorthand CSS property establishes the element as a query container and specifies the name and type of the containment context used in a container query.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/container)
     */
    container: string;
    /**
     * The container-name CSS property specifies a list of query container names used by the @container at-rule in a container query. A container query will apply styles to elements based on the size or scroll-state of the nearest ancestor with a containment context. When a containment context is given a name, it can be specifically targeted using the @container at-rule instead of the nearest ancestor with containment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/container-name)
     */
    containerName: string;
    /**
     * An element can be established as a query container using the container-type CSS property. container-type is used to define the type of container context used in a container query. The available container contexts are:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/container-type)
     */
    containerType: string;
    /**
     * The **`content`** CSS property replaces content with a generated value. It can be used to define what is rendered inside an element or pseudo-element. For elements, the content property specifies whether the element renders normally (normal or none) or is replaced with an image (and associated "alt" text). For pseudo-elements and margin boxes, content defines the content as images, text, both, or none, which determines whether the element renders at all.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/content)
     */
    content: string;
    /**
     * The content-visibility CSS property controls whether or not an element renders its contents at all, along with forcing a strong set of containments, allowing user agents to potentially omit large swathes of layout and rendering work until it becomes needed. It enables the user agent to skip an element's rendering work (including layout and painting) until it is needed — which makes the initial page load much faster.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/content-visibility)
     */
    contentVisibility: string;
    /**
     * The counter-increment CSS property can be used to increase or decrease the value of the named CSS counters by the specified values, or to prevent all counters or an individual counter's value from being changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/counter-increment)
     */
    counterIncrement: string;
    /**
     * The counter-reset CSS property creates named CSS counters and initializes them to a specific value. It supports creating counters that count up from one to the number of elements, as well as those that count down from the number of elements to one.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/counter-reset)
     */
    counterReset: string;
    /**
     * The counter-set CSS property sets CSS counters on the element to the given values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/counter-set)
     */
    counterSet: string;
    /**
     * The **`cssFloat`** property of the CSSStyleProperties interface returns the CSS float property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleProperties/cssFloat)
     */
    cssFloat: string;
    /**
     * The **`cursor`** CSS property sets the mouse cursor, if any, to show when the mouse pointer is over an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/cursor)
     */
    cursor: string;
    /**
     * The **`cx`** CSS property defines the x-axis center point of an SVG <circle> or <ellipse> element. If present, it overrides the element's cx attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/cx)
     */
    cx: string;
    /**
     * The **`cy`** CSS property defines the y-axis center point of an SVG <circle> or <ellipse> elements. If present, it overrides the element's cy attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/cy)
     */
    cy: string;
    /**
     * The **`d`** CSS property defines a path to be drawn by the SVG <path> element. If present, it overrides the element's d attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/d)
     */
    d: string;
    /**
     * The **`direction`** CSS property sets the direction of text, table and grid columns, and horizontal overflow. Use rtl for languages written from right to left (like Hebrew or Arabic), and ltr for those written from left to right (like English and most other languages).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/direction)
     */
    direction: string;
    /**
     * The **`display`** CSS property sets whether an element is treated as a block or inline box and the layout used for its children, such as flow layout, grid or flex.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/display)
     */
    display: string;
    /**
     * The dominant-baseline CSS property specifies the specific baseline used to align the box's text and inline-level contents. It also indicates the default alignment baseline of any boxes participating in baseline alignment in the box's alignment context. If present, it overrides the shape's dominant-baseline attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/dominant-baseline)
     */
    dominantBaseline: string;
    /**
     * The dynamic-range-limit CSS property specifies the maximum luminance allowed for High Dynamic Range (HDR) content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/dynamic-range-limit)
     */
    dynamicRangeLimit: string;
    /**
     * The empty-cells CSS property sets whether borders and backgrounds appear around <table> cells that have no visible content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/empty-cells)
     */
    emptyCells: string;
    /**
     * The field-sizing CSS property enables you to control the sizing behavior of elements that are given a default preferred size, such as form control elements. This property enables you to override the default sizing behavior, allowing form controls to adjust in size to fit their contents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/field-sizing)
     */
    fieldSizing: string;
    /**
     * The **`fill`** CSS property defines how SVG text content and the interior canvas of SVG shapes are filled or painted. If present, it overrides the element's fill attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/fill)
     */
    fill: string;
    /**
     * The fill-opacity CSS property defines the opacity of the painting operation (color, gradient, pattern, etc.) applied to SVG shapes or text content elements to fill the element. The property defines the opacity of the element's fill only; it does not affect the stroke. If present, it overrides the element's fill-opacity attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/fill-opacity)
     */
    fillOpacity: string;
    /**
     * The fill-rule CSS property defines the rule used to determine which parts of the SVG shape's canvas are included inside a shape to be filled. If present, it overrides the element's fill-rule attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/fill-rule)
     */
    fillRule: string;
    /**
     * The **`filter`** CSS property applies graphical effects like blur or color shift to an element. Filters are commonly used to adjust the rendering of images, backgrounds, and borders.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/filter)
     */
    filter: string;
    /**
     * The **`flex`** CSS shorthand property sets how a flex item will grow or shrink to fit the space available in its flex container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex)
     */
    flex: string;
    /**
     * The flex-basis CSS property sets the initial main size of a flex item. It sets the size of the content box unless otherwise set with box-sizing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-basis)
     */
    flexBasis: string;
    /**
     * The flex-direction CSS property sets how flex items are placed in the flex container defining the main axis and the direction (normal or reversed).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-direction)
     */
    flexDirection: string;
    /**
     * The flex-flow CSS shorthand property specifies the direction of a flex container, as well as its wrapping behavior.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-flow)
     */
    flexFlow: string;
    /**
     * The flex-grow CSS property sets the flex grow factor, which specifies how much of the flex container's positive free space, if any, should be assigned to the flex item's main size.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-grow)
     */
    flexGrow: string;
    /**
     * The flex-shrink CSS property sets the flex shrink factor of a flex item. If the size of all flex items is larger than the flex container, the flex items can shrink to fit according to their flex-shrink value. Each flex line's negative free space is distributed between the line's flex items that have a flex-shrink value greater than 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-shrink)
     */
    flexShrink: string;
    /**
     * The flex-wrap CSS property sets whether flex items are forced onto one line or can wrap onto multiple lines. If wrapping is allowed, it sets the direction that lines are stacked.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-wrap)
     */
    flexWrap: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/float) */
    float: string;
    /**
     * The flood-color CSS property defines the color of the current filter primitive subregion in <feFlood> and <feDropShadow> elements within a <filter>. If present, it overrides the element's flood-color attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flood-color)
     */
    floodColor: string;
    /**
     * The flood-opacity CSS property defines the opacity of the current filter primitive subregion in <feFlood> and <feDropShadow> elements within a <filter>. If present, it overrides the element's flood-opacity attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flood-opacity)
     */
    floodOpacity: string;
    /**
     * The **`font`** CSS shorthand property sets all the different properties of an element's font. Alternatively, it sets an element's font to a system font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font)
     */
    font: string;
    /**
     * The font-family CSS property specifies a prioritized list of one or more font family names and/or generic family names for the selected element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-family)
     */
    fontFamily: string;
    /**
     * The font-feature-settings CSS property controls advanced typographic features in OpenType fonts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-feature-settings)
     */
    fontFeatureSettings: string;
    /**
     * The font-kerning CSS property sets the use of the kerning information stored in a font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-kerning)
     */
    fontKerning: string;
    /**
     * The font-language-override CSS property controls the use of language-specific glyphs in a typeface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-language-override)
     */
    fontLanguageOverride: string;
    /**
     * The font-optical-sizing CSS property sets whether text rendering is optimized for viewing at different sizes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-optical-sizing)
     */
    fontOpticalSizing: string;
    /**
     * The font-palette CSS property allows specifying one of the many palettes contained in a color font that a user agent may use for the font. Users can also override the values in a palette or create a new palette by using the @font-palette-values at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-palette)
     */
    fontPalette: string;
    /**
     * The font-size CSS property sets the size of the font. Changing the font size also updates the sizes of the font size-relative <length> units, such as em, ex, and so forth.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-size)
     */
    fontSize: string;
    /**
     * The font-size-adjust CSS property provides a way to modify the size of lowercase letters relative to the size of uppercase letters, which defines the overall font-size. This property is useful for situations where font fallback can occur.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-size-adjust)
     */
    fontSizeAdjust: string;
    /**
     * The font-stretch CSS property selects a normal, condensed, or expanded face from a font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-stretch)
     */
    fontStretch: string;
    /**
     * The font-style CSS property sets whether a font should be styled with a normal, italic, or oblique face from its font-family.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-style)
     */
    fontStyle: string;
    /**
     * The font-synthesis shorthand CSS property lets you specify whether or not the browser may synthesize the bold, italic, small-caps, and/or subscript and superscript typefaces when they are missing in the specified font-family.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-synthesis)
     */
    fontSynthesis: string;
    /**
     * The font-synthesis-small-caps CSS property lets you specify whether or not the browser may synthesize small-caps typeface when it is missing in a font family. Small-caps glyphs typically use the form of uppercase letters but are reduced to the size of lowercase letters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-synthesis-small-caps)
     */
    fontSynthesisSmallCaps: string;
    /**
     * The font-synthesis-style CSS property lets you specify whether or not the browser may synthesize the oblique typeface when it is missing in a font family.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-synthesis-style)
     */
    fontSynthesisStyle: string;
    /**
     * The font-synthesis-weight CSS property lets you specify whether or not the browser may synthesize the bold typeface when it is missing in a font family.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-synthesis-weight)
     */
    fontSynthesisWeight: string;
    /**
     * The font-variant CSS shorthand property allows you to set all the font variants for a font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant)
     */
    fontVariant: string;
    /**
     * The font-variant-alternates CSS property controls the usage of alternate glyphs. These alternate glyphs may be referenced by alternative names defined in @font-feature-values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-alternates)
     */
    fontVariantAlternates: string;
    /**
     * The font-variant-caps CSS property controls the use of alternate glyphs used for small or petite capitals or for titling.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-caps)
     */
    fontVariantCaps: string;
    /**
     * The font-variant-east-asian CSS property controls the use of alternate glyphs for East Asian scripts, like Japanese and Chinese.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-east-asian)
     */
    fontVariantEastAsian: string;
    /**
     * The font-variant-emoji CSS property specifies the default presentation style for displaying emojis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-emoji)
     */
    fontVariantEmoji: string;
    /**
     * The font-variant-ligatures CSS property controls which ligatures and contextual forms are used in the textual content of the elements it applies to. This leads to more harmonized forms in the resulting text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-ligatures)
     */
    fontVariantLigatures: string;
    /**
     * The font-variant-numeric CSS property controls the usage of alternate glyphs for numbers, fractions, and ordinal markers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-numeric)
     */
    fontVariantNumeric: string;
    /**
     * The font-variant-position CSS property controls the use of alternate, smaller glyphs that are positioned as superscript or subscript.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variant-position)
     */
    fontVariantPosition: string;
    /**
     * The font-variation-settings CSS property provides low-level control over variable font characteristics by letting you specify the four letter axis names of the characteristics you want to vary along with their values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-variation-settings)
     */
    fontVariationSettings: string;
    /**
     * The font-weight CSS property sets the weight (or boldness) of the font. The weights available depend on the font-family that is currently set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/font-weight)
     */
    fontWeight: string;
    /**
     * The forced-color-adjust CSS property allows authors to opt certain elements out of forced colors mode. This then restores the control of those values to CSS.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/forced-color-adjust)
     */
    forcedColorAdjust: string;
    /**
     * The **`gap`** CSS shorthand property sets the gaps (also called gutters) between rows and columns. This property applies to multi-column, flex, and grid containers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/gap)
     */
    gap: string;
    /**
     * The **`grid`** CSS property is a shorthand property that sets all of the explicit and implicit grid properties in a single declaration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid)
     */
    grid: string;
    /**
     * The grid-area CSS shorthand property specifies a grid item's size and location within a grid by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the edges of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-area)
     */
    gridArea: string;
    /**
     * The grid-auto-columns CSS property specifies the size of an implicitly-created grid column track or pattern of tracks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-auto-columns)
     */
    gridAutoColumns: string;
    /**
     * The grid-auto-flow CSS property controls how the auto-placement algorithm works, specifying exactly how auto-placed items get flowed into the grid.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-auto-flow)
     */
    gridAutoFlow: string;
    /**
     * The grid-auto-rows CSS property specifies the size of an implicitly-created grid row track or pattern of tracks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-auto-rows)
     */
    gridAutoRows: string;
    /**
     * The grid-column CSS shorthand property specifies a grid item's size and location within a grid column by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the inline-start and inline-end edge of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-column)
     */
    gridColumn: string;
    /**
     * The grid-column-end CSS property specifies a grid item's end position within the grid column by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the block-end edge of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-column-end)
     */
    gridColumnEnd: string;
    /** @deprecated This is a legacy alias of `columnGap`. */
    gridColumnGap: string;
    /**
     * The grid-column-start CSS property specifies a grid item's start position within the grid column by contributing a line, a span, or nothing (automatic) to its grid placement. This start position defines the block-start edge of the grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-column-start)
     */
    gridColumnStart: string;
    /** @deprecated This is a legacy alias of `gap`. */
    gridGap: string;
    /**
     * The grid-row CSS shorthand property specifies a grid item's size and location within a grid row by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the inline-start and inline-end edge of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-row)
     */
    gridRow: string;
    /**
     * The grid-row-end CSS property specifies a grid item's end position within the grid row by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the inline-end edge of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-row-end)
     */
    gridRowEnd: string;
    /** @deprecated This is a legacy alias of `rowGap`. */
    gridRowGap: string;
    /**
     * The grid-row-start CSS property specifies a grid item's start position within the grid row by contributing a line, a span, or nothing (automatic) to its grid placement, thereby specifying the inline-start edge of its grid area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-row-start)
     */
    gridRowStart: string;
    /**
     * The grid-template CSS property is a shorthand property for defining grid columns, grid rows, and grid areas.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-template)
     */
    gridTemplate: string;
    /**
     * The grid-template-areas CSS property specifies named grid areas, establishing the cells in the grid and assigning them names.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-template-areas)
     */
    gridTemplateAreas: string;
    /**
     * The grid-template-columns CSS property defines the line names and track sizing functions of the grid columns.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-template-columns)
     */
    gridTemplateColumns: string;
    /**
     * The grid-template-rows CSS property defines the line names and track sizing functions of the grid rows.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/grid-template-rows)
     */
    gridTemplateRows: string;
    /**
     * The **`height`** CSS property specifies the height of an element. By default, the property defines the height of the content area. If box-sizing is set to border-box, however, it instead determines the height of the border area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/height)
     */
    height: string;
    /**
     * The hyphenate-character CSS property sets the character (or string) used at the end of a line before a hyphenation break.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/hyphenate-character)
     */
    hyphenateCharacter: string;
    /**
     * The hyphenate-limit-chars CSS property specifies the minimum word length to allow hyphenation of words as well as the minimum number of characters before and after the hyphen.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/hyphenate-limit-chars)
     */
    hyphenateLimitChars: string;
    /**
     * The **`hyphens`** CSS property specifies how words should be hyphenated when text wraps across multiple lines. It can prevent hyphenation entirely, hyphenate at manually-specified points within the text, or let the browser automatically insert hyphens where appropriate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/hyphens)
     */
    hyphens: string;
    /**
     * The image-orientation CSS property specifies a layout-independent correction to the orientation of an image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/image-orientation)
     */
    imageOrientation: string;
    /**
     * The image-rendering CSS property sets an image scaling algorithm. The property applies to an element itself, to any images set in its other properties, and to its descendants.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/image-rendering)
     */
    imageRendering: string;
    /**
     * The inline-size CSS property defines the size of an element's block along the inline axis. If the writing-mode is horizontal, it corresponds to the width; if the writing mode is vertical, it corresponds to the height. A related property is block-size, which defines the other dimension of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inline-size)
     */
    inlineSize: string;
    /**
     * The **`inset`** CSS property is a shorthand that corresponds to the top, right, bottom, and/or left properties. It has the same multi-value syntax of the margin shorthand.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset)
     */
    inset: string;
    /**
     * The inset-block CSS property defines the logical block start and end offsets of an element, which maps to physical offsets depending on the element's writing mode, directionality, and text orientation. It corresponds to the top and bottom, or right and left properties depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-block)
     */
    insetBlock: string;
    /**
     * The inset-block-end CSS property defines the logical block end offset of an element, which maps to a physical inset depending on the element's writing mode, directionality, and text orientation. It corresponds to the top, right, bottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-block-end)
     */
    insetBlockEnd: string;
    /**
     * The inset-block-start CSS property defines the logical block start offset of an element, which maps to a physical inset depending on the element's writing mode, directionality, and text orientation. It corresponds to the top, right, bottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-block-start)
     */
    insetBlockStart: string;
    /**
     * The inset-inline CSS property defines the logical start and end offsets of an element in the inline direction, which maps to physical offsets depending on the element's writing mode, directionality, and text orientation. It corresponds to the top and bottom, or right and left properties depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-inline)
     */
    insetInline: string;
    /**
     * The inset-inline-end CSS property defines the logical inline end inset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the top, right, bottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-inline-end)
     */
    insetInlineEnd: string;
    /**
     * The inset-inline-start CSS property defines the logical inline start inset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the top, right, bottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/inset-inline-start)
     */
    insetInlineStart: string;
    /**
     * The **`isolation`** CSS property determines whether an element must create a new stacking context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/isolation)
     */
    isolation: string;
    /**
     * The CSS justify-content property defines how the browser distributes space between and around content items along the main axis of a flex container and the inline axis of grid and multicol containers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/justify-content)
     */
    justifyContent: string;
    /**
     * The CSS justify-items property defines the default justify-self for all items of the box, giving them all a default way of justifying each box along the appropriate axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/justify-items)
     */
    justifyItems: string;
    /**
     * The CSS justify-self property sets the way a box is justified inside its alignment container along the appropriate axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/justify-self)
     */
    justifySelf: string;
    /**
     * The **`left`** CSS property participates in specifying the horizontal position of a positioned element. This inset property has no effect on non-positioned elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/left)
     */
    left: string;
    /**
     * The letter-spacing CSS property sets the horizontal spacing behavior between text characters. This value is added to the natural spacing between characters while rendering the text. Positive values of letter-spacing causes characters to spread farther apart, while negative values of letter-spacing bring characters closer together.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/letter-spacing)
     */
    letterSpacing: string;
    /**
     * The lighting-color CSS property defines the color of the light source for the <feDiffuseLighting> and <feSpecularLighting> SVG lighting filter primitives within an SVG <filter>. If present, it overrides the element's lighting-color attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/lighting-color)
     */
    lightingColor: string;
    /**
     * The line-break CSS property sets how to break lines of Chinese, Japanese, or Korean (CJK) text when working with punctuation and symbols.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/line-break)
     */
    lineBreak: string;
    /**
     * The line-height CSS property sets the height of a line box in horizontal writing modes. In vertical writing modes, it sets the width of a line box. It's commonly used to set the distance between lines of text. On block-level elements in horizontal writing modes, it specifies the preferred height of line boxes within the element, and on non-replaced inline elements, it specifies the height that is used to calculate line box height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/line-height)
     */
    lineHeight: string;
    /**
     * The list-style CSS shorthand property allows you to set all the list style properties at once.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/list-style)
     */
    listStyle: string;
    /**
     * The list-style-image CSS property sets an image to be used as the list item marker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/list-style-image)
     */
    listStyleImage: string;
    /**
     * The list-style-position CSS property sets the position of the ::marker relative to a list item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/list-style-position)
     */
    listStylePosition: string;
    /**
     * The list-style-type CSS property sets the marker (such as a disc, character, or custom counter style) of a list item element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/list-style-type)
     */
    listStyleType: string;
    /**
     * The **`margin`** CSS shorthand property sets the margin area on all four sides of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin)
     */
    margin: string;
    /**
     * The margin-block CSS shorthand property defines the logical block start and end margins of an element, which maps to physical margins depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-block)
     */
    marginBlock: string;
    /**
     * The margin-block-end CSS property defines the logical block end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-block-end)
     */
    marginBlockEnd: string;
    /**
     * The margin-block-start CSS property defines the logical block start margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-block-start)
     */
    marginBlockStart: string;
    /**
     * The margin-bottom CSS property sets the margin area on the bottom of an element. A positive value places it farther from its neighbors, while a negative value places it closer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-bottom)
     */
    marginBottom: string;
    /**
     * The margin-inline CSS shorthand property is a shorthand property that defines both the logical inline start and end margins of an element, which maps to physical margins depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-inline)
     */
    marginInline: string;
    /**
     * The margin-inline-end CSS property defines the logical inline end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. In other words, it corresponds to the margin-top, margin-right, margin-bottom or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-inline-end)
     */
    marginInlineEnd: string;
    /**
     * The margin-inline-start CSS property defines the logical inline start margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. It corresponds to the margin-top, margin-right, margin-bottom, or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-inline-start)
     */
    marginInlineStart: string;
    /**
     * The margin-left CSS property sets the margin area on the left side of an element. A positive value places it farther from its neighbors, while a negative value places it closer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-left)
     */
    marginLeft: string;
    /**
     * The margin-right CSS property sets the margin area on the right side of an element. A positive value places it farther from its neighbors, while a negative value places it closer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-right)
     */
    marginRight: string;
    /**
     * The margin-top CSS property sets the margin area on the top of an element. A positive value places it farther from its neighbors, while a negative value places it closer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/margin-top)
     */
    marginTop: string;
    /**
     * The **`marker`** CSS property points to a marker that will be drawn on the first, middle, and last vertices of the element's path; that is, at all of its vertices. The marker must have been defined using an SVG <marker> element, and can only be referenced with a <url> value. The value of the CSS property overrides any values of the marker-start, marker, and marker-end attributes in the SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/marker)
     */
    marker: string;
    /**
     * The marker-end CSS property points to a marker that will be drawn on the last vertex of the element's path; that is, at its ending vertex. The marker must have been defined using an SVG <marker> element, and can only be referenced with a <url> value. The value of the CSS property overrides any values of the marker-end attribute in the SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/marker-end)
     */
    markerEnd: string;
    /**
     * The marker-mid CSS property points to a marker that will be drawn on the middle vertices of the element's path; that is, at each of its vertices between the start and end vertices. The marker must have been defined using an SVG <marker> element, and can only be referenced with a <url> value. The value of the CSS property overrides any values of the marker-mid attribute in the SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/marker-mid)
     */
    markerMid: string;
    /**
     * The marker-start CSS property points to a marker that will be drawn on the first vertex of the element's path; that is, at its starting vertex. The marker must have been defined using an SVG <marker> element, and can only be referenced with a <url> value. The value of the CSS property overrides any values of the marker-start attribute in the SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/marker-start)
     */
    markerStart: string;
    /**
     * The **`mask`** CSS shorthand property hides an element (partially or fully) by masking or clipping a specified area of the image. It is a shorthand for all the mask-* properties. The property accepts one or more comma-separated values, where each value corresponds to a <mask-layer>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask)
     */
    mask: string;
    /**
     * The mask-clip CSS property determines the area which is affected by a mask. The painted content of an element must be restricted to this area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-clip)
     */
    maskClip: string;
    /**
     * The mask-composite CSS property represents a compositing operation used on the current mask layer with the mask layers below it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-composite)
     */
    maskComposite: string;
    /**
     * The mask-image CSS property sets the image that is used as the mask layer for an element, hiding sections of the element on which the masking image is set based on the alpha channel of the mask image and, depending on the mask-mode property value, the luminance of the mask image's colors.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-image)
     */
    maskImage: string;
    /**
     * The mask-mode CSS property is set on the element being masked. It sets whether the mask reference defined by the mask-image is treated as a luminance or alpha mask.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-mode)
     */
    maskMode: string;
    /**
     * The mask-origin CSS property sets the origin of a mask. This property determines the mask positioning area: the area within which a mask image is positioned. HTML elements can have masks contained within their content border box, padding box, or content box, whereas SVG elements (which don't have the associated CSS layout boxes) can have masks contained inside their fill, stroke, or view box. For elements rendered as multiple boxes, such as a <span> of text that spans more than one line, the mask-origin property specifies which boxes the box-decoration-break property operates on to determine the mask positioning area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-origin)
     */
    maskOrigin: string;
    /**
     * The mask-position CSS property sets the initial position, relative to the mask position layer set by mask-origin, for each defined mask image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-position)
     */
    maskPosition: string;
    /**
     * The mask-repeat CSS property sets how mask images are repeated. A mask image can be repeated along the horizontal axis, the vertical axis, both axes, or not repeated at all.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-repeat)
     */
    maskRepeat: string;
    /**
     * The mask-size CSS property specifies the sizes of specified mask images. Mask image sizes can be fully or partially constrained to preserve their intrinsic aspect ratios.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-size)
     */
    maskSize: string;
    /**
     * The mask-type CSS property applies to the SVG <mask> element. It defines whether to use the luminance (brightness) or alpha (transparency) content of the mask. This property may be overridden by the mask-mode property. The mask-type property has no effect on image or gradient masks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-type)
     */
    maskType: string;
    /**
     * The math-depth property describes a notion of depth for each element of a mathematical formula, with respect to the top-level container of that formula. This is used to scale the computed value of the font-size of elements when font-size: math is applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/math-depth)
     */
    mathDepth: string;
    /**
     * The math-shift property indicates whether superscripts inside MathML formulas should be raised by a normal or compact shift.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/math-shift)
     */
    mathShift: string;
    /**
     * The math-style property indicates whether MathML equations should render with normal or compact height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/math-style)
     */
    mathStyle: string;
    /**
     * The max-block-size CSS property specifies the maximum size of an element in the direction opposite that of the writing direction as specified by writing-mode. That is, if the writing direction is horizontal, then max-block-size is equivalent to max-height; if the writing direction is vertical, max-block-size is the same as max-width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/max-block-size)
     */
    maxBlockSize: string;
    /**
     * The max-height CSS property sets the maximum height of an element. It prevents the used value of the height property from becoming larger than the value specified for max-height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/max-height)
     */
    maxHeight: string;
    /**
     * The max-inline-size CSS property defines the horizontal or vertical maximum size of an element's block, depending on its writing mode. It corresponds to either the max-width or the max-height property, depending on the value of writing-mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/max-inline-size)
     */
    maxInlineSize: string;
    /**
     * The max-width CSS property sets the maximum width of an element. It prevents the used value of the width property from becoming larger than the value specified by max-width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/max-width)
     */
    maxWidth: string;
    /**
     * The min-block-size CSS property defines the minimum horizontal or vertical size of an element's block, depending on its writing mode. It corresponds to either the min-width or the min-height property, depending on the value of writing-mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/min-block-size)
     */
    minBlockSize: string;
    /**
     * The min-height CSS property sets the minimum height of an element. It prevents the used value of the height property from becoming smaller than the value specified for min-height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/min-height)
     */
    minHeight: string;
    /**
     * The min-inline-size CSS property defines the horizontal or vertical minimal size of an element's block, depending on its writing mode. It corresponds to either the min-width or the min-height property, depending on the value of writing-mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/min-inline-size)
     */
    minInlineSize: string;
    /**
     * The min-width CSS property sets the minimum width of an element. It prevents the used value of the width property from becoming smaller than the value specified for min-width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/min-width)
     */
    minWidth: string;
    /**
     * The mix-blend-mode CSS property sets how an element's content should blend with the content of the element's parent and the element's background.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mix-blend-mode)
     */
    mixBlendMode: string;
    /**
     * The object-fit CSS property sets how the content of a replaced element, such as an <img> or <video>, should be resized to fit its container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/object-fit)
     */
    objectFit: string;
    /**
     * The object-position CSS property specifies the alignment of the selected replaced element's contents within the element's box. Areas of the box which aren't covered by the replaced element's object will show the element's background.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/object-position)
     */
    objectPosition: string;
    /**
     * The **`offset`** CSS shorthand property sets all the properties required for animating an element along a defined path. The offset properties together help to define an offset transform, a transform that aligns a point in an element (offset-anchor) to an offset position (offset-position) on a path (offset-path) at various points along the path (offset-distance) and optionally rotates the element (offset-rotate) to follow the direction of the path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset)
     */
    offset: string;
    /**
     * The offset-anchor CSS property specifies the point inside the box of an element traveling along an offset-path that is actually moving along the path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset-anchor)
     */
    offsetAnchor: string;
    /**
     * The offset-distance CSS property specifies a position along an offset-path for an element to be placed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset-distance)
     */
    offsetDistance: string;
    /**
     * The offset-path CSS property specifies a path for an element to follow and determines the element's positioning within the path's parent container or the SVG coordinate system. The path is a line, a curve, or a geometrical shape along which the element gets positioned or moves.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset-path)
     */
    offsetPath: string;
    /**
     * The offset-position CSS property defines the initial position of an element along a path. This property is typically used in combination with the offset-path property to create a motion effect. The value of offset-position determines where the element gets placed initially for moving along an offset path if an offset-path function such as path() does not specify its own starting position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset-position)
     */
    offsetPosition: string;
    /**
     * The offset-rotate CSS property defines the orientation/direction of the element as it is positioned along the offset-path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/offset-rotate)
     */
    offsetRotate: string;
    /**
     * The **`opacity`** CSS property sets the opacity of an element. Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/opacity)
     */
    opacity: string;
    /**
     * The **`order`** CSS property sets the order to lay out an item in a flex or grid container. Items in a container are sorted by ascending order value and then by their source code order. Items not given an explicit order value are assigned the default value of 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/order)
     */
    order: string;
    /**
     * The **`orphans`** CSS property sets the minimum number of lines in a block container that must be shown at the bottom of a page, region, or column.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/orphans)
     */
    orphans: string;
    /**
     * The **`outline`** CSS shorthand property sets most of the outline properties in a single declaration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline)
     */
    outline: string;
    /**
     * The outline-color CSS property sets the color of an element's outline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline-color)
     */
    outlineColor: string;
    /**
     * The outline-offset CSS property sets the amount of space between an outline and the edge or border of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline-offset)
     */
    outlineOffset: string;
    /**
     * The outline-style CSS property sets the style of an element's outline. An outline is a line that is drawn around an element, outside the border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline-style)
     */
    outlineStyle: string;
    /**
     * The CSS outline-width property sets the thickness of an element's outline. An outline is a line that is drawn around an element, outside the border.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline-width)
     */
    outlineWidth: string;
    /**
     * The **`overflow`** CSS shorthand property sets the desired behavior when content does not fit in the element's padding box (overflows) in the horizontal and/or vertical direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow)
     */
    overflow: string;
    /**
     * The overflow-anchor CSS property provides a way to opt out of the browser's scroll anchoring behavior, which adjusts scroll position to minimize content shifts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-anchor)
     */
    overflowAnchor: string;
    /**
     * The overflow-block CSS property sets what shows when content overflows the block start and block end edges of a box. This may be nothing, a scroll bar, or the overflow content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-block)
     */
    overflowBlock: string;
    /**
     * The overflow-clip-margin CSS property determines how far outside its bounds an element with overflow: clip may be painted before being clipped. The bound defined by this property is called the overflow clip edge of the box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-clip-margin)
     */
    overflowClipMargin: string;
    /**
     * The overflow-inline CSS property sets what shows when content overflows the inline start and end edges of a box. This may be nothing, a scroll bar, or the overflow content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-inline)
     */
    overflowInline: string;
    /**
     * The overflow-wrap CSS property applies to text, setting whether the browser should insert line breaks within an otherwise unbreakable string to prevent text from overflowing its line box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-wrap)
     */
    overflowWrap: string;
    /**
     * The overflow-x CSS property sets what shows when content overflows a block-level element's left and right edges. This may be nothing, a scroll bar, or the overflow content. This property may also be set by using the overflow shorthand property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-x)
     */
    overflowX: string;
    /**
     * The overflow-y CSS property sets what shows when content overflows a block-level element's top and bottom edges. This may be nothing, a scroll bar, or the overflow content. This property may also be set by using the overflow shorthand property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-y)
     */
    overflowY: string;
    /**
     * The overscroll-behavior CSS property sets what a browser does when reaching the boundary of a scrolling area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overscroll-behavior)
     */
    overscrollBehavior: string;
    /**
     * The overscroll-behavior-block CSS property sets the browser's behavior when the block direction boundary of a scrolling area is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overscroll-behavior-block)
     */
    overscrollBehaviorBlock: string;
    /**
     * The overscroll-behavior-inline CSS property sets the browser's behavior when the inline direction boundary of a scrolling area is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overscroll-behavior-inline)
     */
    overscrollBehaviorInline: string;
    /**
     * The overscroll-behavior-x CSS property sets the browser's behavior when the horizontal boundary of a scrolling area is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overscroll-behavior-x)
     */
    overscrollBehaviorX: string;
    /**
     * The overscroll-behavior-y CSS property sets the browser's behavior when the vertical boundary of a scrolling area is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overscroll-behavior-y)
     */
    overscrollBehaviorY: string;
    /**
     * The **`padding`** CSS shorthand property sets the padding area on all four sides of an element at once.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding)
     */
    padding: string;
    /**
     * The padding-block CSS shorthand property defines the logical block start and end padding of an element, which maps to physical padding properties depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-block)
     */
    paddingBlock: string;
    /**
     * The padding-block-end CSS property defines the logical block end padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-block-end)
     */
    paddingBlockEnd: string;
    /**
     * The padding-block-start CSS property defines the logical block start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-block-start)
     */
    paddingBlockStart: string;
    /**
     * The padding-bottom CSS property sets the height of the padding area on the bottom of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-bottom)
     */
    paddingBottom: string;
    /**
     * The padding-inline CSS shorthand property defines the logical inline start and end padding of an element, which maps to physical padding properties depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-inline)
     */
    paddingInline: string;
    /**
     * The padding-inline-end CSS property defines the logical inline end padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-inline-end)
     */
    paddingInlineEnd: string;
    /**
     * The padding-inline-start CSS property defines the logical inline start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-inline-start)
     */
    paddingInlineStart: string;
    /**
     * The padding-left CSS property sets the width of the padding area to the left of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-left)
     */
    paddingLeft: string;
    /**
     * The padding-right CSS property sets the width of the padding area on the right of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-right)
     */
    paddingRight: string;
    /**
     * The padding-top CSS property sets the height of the padding area on the top of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/padding-top)
     */
    paddingTop: string;
    /**
     * The **`page`** CSS property is used to specify the named page, a specific type of page defined by the @page at-rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/page)
     */
    page: string;
    /**
     * The page-break-after CSS property adjusts page breaks after the current element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/page-break-after)
     */
    pageBreakAfter: string;
    /**
     * The page-break-before CSS property adjusts page breaks before the current element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/page-break-before)
     */
    pageBreakBefore: string;
    /**
     * The page-break-inside CSS property adjusts page breaks inside the current element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/page-break-inside)
     */
    pageBreakInside: string;
    /**
     * The paint-order CSS property lets you control the order in which the fill and stroke (and painting markers) of text content and shapes are drawn.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/paint-order)
     */
    paintOrder: string;
    /**
     * The **`perspective`** CSS property determines the distance between the z=0 plane and the user in order to give a 3D-positioned element some perspective.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/perspective)
     */
    perspective: string;
    /**
     * The perspective-origin CSS property determines the position at which the viewer is looking. It is used as the vanishing point by the perspective property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/perspective-origin)
     */
    perspectiveOrigin: string;
    /**
     * The place-content CSS shorthand property allows you to align content along both the block and inline directions at once (i.e., the align-content and justify-content properties) in a relevant layout system such as Grid or Flexbox.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/place-content)
     */
    placeContent: string;
    /**
     * The CSS place-items shorthand property aligns items along both the block and inline directions at once. It sets the values of the align-items and justify-items properties. If the second value is not set, the first value is also used for it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/place-items)
     */
    placeItems: string;
    /**
     * The place-self CSS shorthand property allows you to align an individual item in both the block and inline directions at once (i.e., the align-self and justify-self properties). This property applies to block-level boxes, absolutely-positioned boxes, and grid items. If the second value is not present, the first value is also used for it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/place-self)
     */
    placeSelf: string;
    /**
     * The pointer-events CSS property sets under what circumstances (if any) a particular graphic element can become the target of pointer events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/pointer-events)
     */
    pointerEvents: string;
    /**
     * The **`position`** CSS property sets how an element is positioned in a document. The top, right, bottom, and left physical properties and the inset-block-start, inset-block-end, inset-inline-start, and inset-inline-end flow-relative logical properties can be used to determine the final location of positioned elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position)
     */
    position: string;
    /**
     * The position-anchor CSS property specifies the anchor name of the anchor element (i.e., an element that has an anchor name set on it via the anchor-name property) a positioned element is associated with.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-anchor)
     */
    positionAnchor: string;
    /**
     * The position-area CSS property enables an anchor-positioned element to be positioned relative to the edges of its associated anchor element by placing the positioned element on one or more tiles of an implicit 3x3 grid, where the anchoring element is the center cell.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-area)
     */
    positionArea: string;
    /**
     * The position-try CSS property is a shorthand that corresponds to the position-try-order and position-try-fallbacks properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-try)
     */
    positionTry: string;
    /**
     * The position-try-fallbacks CSS property enables you to specify a list of one or more alternative position try fallback options for anchor-positioned elements to be placed relative to their associated anchor elements. When the element would otherwise overflow its inset-modified containing block, the browser will try placing the positioned element in these different fallback positions, in the order provided, until it finds a value that stops it from overflowing its container or the viewport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-try-fallbacks)
     */
    positionTryFallbacks: string;
    /**
     * The position-try-order CSS property allows you to specify various fallback options that result in an available position-try fallback being used to set an anchor-positioned element's position, instead of its initial position settings.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-try-order)
     */
    positionTryOrder: string;
    /**
     * The position-visibility CSS property enables conditionally hiding an anchor-positioned element depending on, for example, whether it is overflowing its containing element or the viewport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/position-visibility)
     */
    positionVisibility: string;
    /**
     * The print-color-adjust CSS property sets what, if anything, the user agent may do to optimize the appearance of the element on the output device. By default, the browser is allowed to make any adjustments to the element's appearance it determines to be necessary and prudent given the type and capabilities of the output device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/print-color-adjust)
     */
    printColorAdjust: string;
    /**
     * The CSS **`quotes`** property sets how the browser should render quotation marks that are automatically added to the HTML <q> element or added using the open-quotes or close-quotes (or omitted using the no-open-quote and no-close-quote) values of the of the CSS content property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/quotes)
     */
    quotes: string;
    /**
     * The **`r`** CSS property defines the radius of a circle. It can only be used with the SVG <circle> element. If present, it overrides the circle's r attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/r)
     */
    r: string;
    /**
     * The **`resize`** CSS property sets whether an element is resizable, and if so, in which directions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/resize)
     */
    resize: string;
    /**
     * The **`right`** CSS property participates in specifying the horizontal position of a positioned element. This inset property has no effect on non-positioned elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/right)
     */
    right: string;
    /**
     * The **`rotate`** CSS property allows you to specify rotation transforms individually and independently of the transform property. This maps better to typical user interface usage, and saves having to remember the exact order of transform functions to specify in the transform property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/rotate)
     */
    rotate: string;
    /**
     * The row-gap CSS property sets the size of the gap (gutter) between an element's rows.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/row-gap)
     */
    rowGap: string;
    /**
     * The ruby-align CSS property defines the distribution of the different ruby elements over the base.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/ruby-align)
     */
    rubyAlign: string;
    /**
     * The ruby-position CSS property defines the position of a ruby element relative to its base element. It can be positioned over the element (over), under it (under), or between the characters on their right side (inter-character).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/ruby-position)
     */
    rubyPosition: string;
    /**
     * The **`rx`** CSS property defines the x-axis, or horizontal, radius of an SVG <ellipse> and the horizontal curve of the corners of an SVG <rect> rectangle. If present, it overrides the shape's rx attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/rx)
     */
    rx: string;
    /**
     * The **`ry`** CSS property defines the y-axis, or vertical, radius of an SVG <ellipse> and the vertical curve of the corners of an SVG <rect> rectangle. If present, it overrides the shape's ry attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/ry)
     */
    ry: string;
    /**
     * The **`scale`** CSS property allows you to specify scale transforms individually and independently of the transform property. This maps better to typical user interface usage, and saves having to remember the exact order of transform functions to specify in the transform value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scale)
     */
    scale: string;
    /**
     * The scroll-behavior CSS property sets the behavior for a scrolling box when scrolling is triggered by the navigation or CSSOM scrolling APIs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-behavior)
     */
    scrollBehavior: string;
    /**
     * The scroll-margin shorthand property sets all of the scroll margins of an element at once, assigning values much like the margin property does for margins of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin)
     */
    scrollMargin: string;
    /**
     * The scroll-margin-block shorthand property sets the scroll margins of an element in the block dimension.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-block)
     */
    scrollMarginBlock: string;
    /**
     * The scroll-margin-block-end property defines the margin of the scroll snap area at the end of the block dimension that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-block-end)
     */
    scrollMarginBlockEnd: string;
    /**
     * The scroll-margin-block-start property defines the margin of the scroll snap area at the start of the block dimension that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-block-start)
     */
    scrollMarginBlockStart: string;
    /**
     * The scroll-margin-bottom property defines the bottom margin of the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-bottom)
     */
    scrollMarginBottom: string;
    /**
     * The scroll-margin-inline shorthand property sets the scroll margins of an element in the inline dimension.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-inline)
     */
    scrollMarginInline: string;
    /**
     * The scroll-margin-inline-end property defines the margin of the scroll snap area at the end of the inline dimension that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-inline-end)
     */
    scrollMarginInlineEnd: string;
    /**
     * The scroll-margin-inline-start property defines the margin of the scroll snap area at the start of the inline dimension that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-inline-start)
     */
    scrollMarginInlineStart: string;
    /**
     * The scroll-margin-left property defines the left margin of the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-left)
     */
    scrollMarginLeft: string;
    /**
     * The scroll-margin-right property defines the right margin of the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-right)
     */
    scrollMarginRight: string;
    /**
     * The scroll-margin-top property defines the top margin of the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-margin-top)
     */
    scrollMarginTop: string;
    /**
     * The scroll-padding shorthand property sets scroll padding on all sides of an element at once. It specifies offsets that define the optimal viewing region of a scrollport within a scroll container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding)
     */
    scrollPadding: string;
    /**
     * The scroll-padding-block shorthand property sets the scroll padding of an element in the block dimension.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-block)
     */
    scrollPaddingBlock: string;
    /**
     * The scroll-padding-block-end property defines offsets for the end edge in the block dimension of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-block-end)
     */
    scrollPaddingBlockEnd: string;
    /**
     * The scroll-padding-block-start property defines offsets for the start edge in the block dimension of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-block-start)
     */
    scrollPaddingBlockStart: string;
    /**
     * The scroll-padding-bottom property defines offsets for the bottom of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-bottom)
     */
    scrollPaddingBottom: string;
    /**
     * The scroll-padding-inline shorthand property sets the scroll padding of an element in the inline dimension.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-inline)
     */
    scrollPaddingInline: string;
    /**
     * The scroll-padding-inline-end property defines offsets for the end edge in the inline dimension of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-inline-end)
     */
    scrollPaddingInlineEnd: string;
    /**
     * The scroll-padding-inline-start property defines offsets for the start edge in the inline dimension of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-inline-start)
     */
    scrollPaddingInlineStart: string;
    /**
     * The scroll-padding-left property defines offsets for the left of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-left)
     */
    scrollPaddingLeft: string;
    /**
     * The scroll-padding-right property defines offsets for the right of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-right)
     */
    scrollPaddingRight: string;
    /**
     * The scroll-padding-top property defines offsets for the top of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-padding-top)
     */
    scrollPaddingTop: string;
    /**
     * The scroll-snap-align property specifies the box's snap position as an alignment of its snap area (as the alignment subject) within its snap container's snap port (as the alignment container).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-snap-align)
     */
    scrollSnapAlign: string;
    /**
     * The scroll-snap-stop CSS property defines whether or not the scroll container is allowed to "pass over" possible snap positions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-snap-stop)
     */
    scrollSnapStop: string;
    /**
     * The scroll-snap-type CSS property is set on a scroll container, opting it into scroll snapping by setting the direction and strictness of snap point enforcement within the snap port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-snap-type)
     */
    scrollSnapType: string;
    /**
     * The scroll-timeline CSS shorthand property is used to define a named scroll progress timeline, which is progressed through by scrolling a scrollable element (scroller) between top and bottom (or left and right).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline)
     */
    scrollTimeline: string;
    /**
     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-axis)
     */
    scrollTimelineAxis: string;
    /**
     * The scroll-timeline-name CSS property is used to define the name of a named scroll progress timeline, which is progressed through by scrolling a scrollable element (scroller) between top and bottom (or left and right). scroll-timeline-name is set on the scroller that will provide the timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-name)
     */
    scrollTimelineName: string;
    /**
     * The scrollbar-color CSS property sets the color of the scrollbar track and thumb.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scrollbar-color)
     */
    scrollbarColor: string;
    /**
     * The scrollbar-gutter CSS property allows authors to reserve space for the scrollbar, preventing unwanted layout changes as the content grows while also avoiding unnecessary visuals when scrolling isn't needed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scrollbar-gutter)
     */
    scrollbarGutter: string;
    /**
     * The scrollbar-width property allows the author to set the desired thickness of an element's scrollbars when they are shown.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scrollbar-width)
     */
    scrollbarWidth: string;
    /**
     * The shape-image-threshold CSS property sets the alpha channel threshold used to extract the shape using an image as the value for shape-outside.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/shape-image-threshold)
     */
    shapeImageThreshold: string;
    /**
     * The shape-margin CSS property sets a margin for a CSS shape created using shape-outside.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/shape-margin)
     */
    shapeMargin: string;
    /**
     * The shape-outside CSS property defines a shape—which may be non-rectangular—around which adjacent inline content should wrap. By default, inline content wraps around its margin box; shape-outside provides a way to customize this wrapping, making it possible to wrap text around complex objects rather than rectangular boxes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/shape-outside)
     */
    shapeOutside: string;
    /**
     * The shape-rendering CSS property provides hints to the renderer about what tradeoffs to make when rendering shapes like paths, circles, or rectangles. It only has an effect on the <circle>, <ellipse>, <line>, <path>, <polygon>, <polyline>, and <rect> elements. If explicitly declared, the value of the CSS property overrides the any values of the element's shape-rendering attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/shape-rendering)
     */
    shapeRendering: string;
    /**
     * The stop-color CSS property defines the color to use for an SVG <stop> element within a gradient. If present, it overrides the element's stop-color attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stop-color)
     */
    stopColor: string;
    /**
     * The stop-opacity CSS property defines the opacity of a given color gradient stop in the SVG <stop> element within an SVG gradient. If present, it overrides the element's stop-opacity attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stop-opacity)
     */
    stopOpacity: string;
    /**
     * The **`stroke`** CSS property defines the color or SVG paint server used to draw an element's stroke. As such, stroke only has an effect on elements that can be given a stroke (for example, <rect> or <ellipse>); see the page on the SVG stroke attribute for a complete list. When declared, the CSS value overrides any value of the element's stroke SVG attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke)
     */
    stroke: string;
    /**
     * The stroke-dasharray CSS property defines a pattern of dashes and gaps used in the painting of the SVG shape's stroke. If present, it overrides the element's stroke-dasharray attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-dasharray)
     */
    strokeDasharray: string;
    /**
     * The stroke-dashoffset CSS property defines an offset for the starting point of the rendering of an SVG element's associated dash array. If present, it overrides the element's stroke-dashoffset attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-dashoffset)
     */
    strokeDashoffset: string;
    /**
     * The stroke-linecap CSS property defines the shape to be used at the end of open subpaths of SVG elements' unclosed strokes. If present, it overrides the element's stroke-linecap attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-linecap)
     */
    strokeLinecap: string;
    /**
     * The stroke-linejoin CSS property defines the shape to be used at the corners of an SVG element's stroked paths. If present, it overrides the element's stroke-linejoin attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-linejoin)
     */
    strokeLinejoin: string;
    /**
     * The stroke-miterlimit CSS property defines a limit on the ratio of the miter length to the stroke-width when the shape to be used at the corners of an SVG element's stroked path is a mitered join. If the limit defined by this property is exceeded, the join is converted from miter to bevel, thus making the corner appear truncated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-miterlimit)
     */
    strokeMiterlimit: string;
    /**
     * The stroke-opacity CSS property defines the opacity of an SVG shape's stroke. The effect is identical to that of opacity, except it is applied only to the stroke, not to the entire element. If present, it overrides the element's stroke-opacity attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-opacity)
     */
    strokeOpacity: string;
    /**
     * The stroke-width CSS property defines the width of a stroke applied to the SVG shape. If present, it overrides the element's stroke-width attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/stroke-width)
     */
    strokeWidth: string;
    /**
     * The tab-size CSS property is used to customize the width of tab characters (U+0009).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/tab-size)
     */
    tabSize: string;
    /**
     * The table-layout CSS property sets the algorithm used to lay out <table> cells, rows, and columns.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/table-layout)
     */
    tableLayout: string;
    /**
     * The text-align CSS property sets the horizontal alignment of the inline-level content inside a block element or table-cell box. This means it works like vertical-align but in the horizontal direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-align)
     */
    textAlign: string;
    /**
     * The text-align-last CSS property sets how the last line of a block or a line, right before a forced line break, is aligned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-align-last)
     */
    textAlignLast: string;
    /**
     * The text-anchor CSS property aligns a box containing a string of text where the wrapping area is determined from the inline-size property, and the text is then placed relative to the anchor point of the element, which is defined using the x and y (or dx and dy) attributes. If present, the value of the CSS property overrides any value of the element's text-anchor attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-anchor)
     */
    textAnchor: string;
    /**
     * The text-autospace CSS property allows you to specify the space applied between Chinese/Japanese/Korean (CJK) and non-CJK characters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-autospace)
     */
    textAutospace: string;
    /**
     * The text-box CSS property is a shorthand that corresponds to the text-box-trim and text-box-edge properties, which together specify the amount of space to trim from the block-start edge and block-end edge of a text element's block container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-box)
     */
    textBox: string;
    /**
     * The text-box-edge CSS property specifies an amount of space to trim from a text element's block container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-box-edge)
     */
    textBoxEdge: string;
    /**
     * The text-box-trim CSS property specifies which of the over and under edges of text content to trim from a text element's block container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-box-trim)
     */
    textBoxTrim: string;
    /**
     * The text-combine-upright CSS property sets the combination of characters into the space of a single character. If the combined text is wider than 1em, the user agent must fit the contents within 1em. The resulting composition is treated as a single upright glyph for layout and decoration. This property only has an effect in vertical writing modes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-combine-upright)
     */
    textCombineUpright: string;
    /**
     * The text-decoration shorthand CSS property sets the appearance of decorative lines on text. It is a shorthand for text-decoration-line, text-decoration-color, text-decoration-style, and the newer text-decoration-thickness property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration)
     */
    textDecoration: string;
    /**
     * The text-decoration-color CSS property sets the color of decorations added to text by text-decoration-line.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration-color)
     */
    textDecorationColor: string;
    /**
     * The text-decoration-line CSS property sets the kind of decoration that is used on text in an element, such as an underline or overline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration-line)
     */
    textDecorationLine: string;
    /**
     * The text-decoration-skip-ink CSS property specifies how overlines and underlines are drawn when they pass over glyph ascenders and descenders.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration-skip-ink)
     */
    textDecorationSkipInk: string;
    /**
     * The text-decoration-style CSS property sets the style of the lines specified by text-decoration-line. The style applies to all lines that are set with text-decoration-line.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration-style)
     */
    textDecorationStyle: string;
    /**
     * The text-decoration-thickness CSS property sets the stroke thickness of the decoration line that is used on text in an element, such as a line-through, underline, or overline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-decoration-thickness)
     */
    textDecorationThickness: string;
    /**
     * The text-emphasis CSS property applies emphasis marks to text (except spaces and control characters). It is a shorthand for text-emphasis-style and text-emphasis-color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-emphasis)
     */
    textEmphasis: string;
    /**
     * The text-emphasis-color CSS property sets the color of emphasis marks. This value can also be set using the text-emphasis shorthand.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-emphasis-color)
     */
    textEmphasisColor: string;
    /**
     * The text-emphasis-position CSS property sets where emphasis marks are drawn. Similar to the text rendered by the <ruby> HTML element, if there isn't enough room for emphasis marks, the line height is increased.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-emphasis-position)
     */
    textEmphasisPosition: string;
    /**
     * The text-emphasis-style CSS property sets the appearance of emphasis marks. It can also be set, and reset, using the text-emphasis shorthand.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-emphasis-style)
     */
    textEmphasisStyle: string;
    /**
     * The text-indent CSS property sets the length of empty space (indentation) that is put before lines of text in a block.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-indent)
     */
    textIndent: string;
    /**
     * The text-justify CSS property sets what type of justification should be applied to text when text-align: justify; is set on an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-justify)
     */
    textJustify: string;
    /**
     * The text-orientation CSS property sets the orientation of the text characters in a line. It only affects text in vertical mode (when writing-mode is not horizontal-tb). It is useful for controlling the display of languages that use vertical script, and also for making vertical table headers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-orientation)
     */
    textOrientation: string;
    /**
     * The text-overflow CSS property sets how hidden overflow content is signaled to users. It can be clipped, display an ellipsis (…), or display a custom string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-overflow)
     */
    textOverflow: string;
    /**
     * The text-rendering CSS property provides information to the rendering engine about what to optimize for when rendering text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-rendering)
     */
    textRendering: string;
    /**
     * The text-shadow CSS property adds shadows to text. It accepts a comma-separated list of shadows to be applied to the text and any of its text-decoration. Each shadow is described by some combination of X and Y offsets from the element, blur radius, and color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-shadow)
     */
    textShadow: string;
    /**
     * The text-transform CSS property specifies how to capitalize an element's text. It can be used to make text appear in all-uppercase or all-lowercase, or with each word capitalized. It also can help improve legibility for ruby.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-transform)
     */
    textTransform: string;
    /**
     * The text-underline-offset CSS property sets the offset distance of an underline text decoration line (applied using text-decoration) from its original position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-underline-offset)
     */
    textUnderlineOffset: string;
    /**
     * The text-underline-position CSS property specifies the position of the underline which is set using the text-decoration property's underline value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-underline-position)
     */
    textUnderlinePosition: string;
    /**
     * The text-wrap CSS shorthand property controls how text inside an element is wrapped. The different values provide:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-wrap)
     */
    textWrap: string;
    /**
     * The text-wrap-mode CSS property controls whether the text inside an element is wrapped. The different values provide alternate ways of wrapping the content of a block element. It can also be set, and reset, using the text-wrap shorthand or the white-space shorthand.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-wrap-mode)
     */
    textWrapMode: string;
    /**
     * The text-wrap-style CSS property controls how text inside an element is wrapped. The different values provide alternate ways of wrapping the content of a block element. It can also be set, and reset, using the text-wrap shorthand.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-wrap-style)
     */
    textWrapStyle: string;
    /**
     * The timeline-scope CSS property modifies the scope of a named animation timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-scope)
     */
    timelineScope: string;
    /**
     * The **`top`** CSS property sets the vertical position of a positioned element. This inset property has no effect on non-positioned elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/top)
     */
    top: string;
    /**
     * The touch-action CSS property sets how an element's region can be manipulated by a touchscreen user (for example, by zooming features built into the browser).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/touch-action)
     */
    touchAction: string;
    /**
     * The **`transform`** CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform)
     */
    transform: string;
    /**
     * The transform-box CSS property defines the layout box to which the transform, individual transform properties translate, scale, and rotate, and transform-origin properties relate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform-box)
     */
    transformBox: string;
    /**
     * The transform-origin CSS property sets the origin for an element's transformations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform-origin)
     */
    transformOrigin: string;
    /**
     * The transform-style CSS property sets whether children of an element are positioned in the 3D space or are flattened in the plane of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform-style)
     */
    transformStyle: string;
    /**
     * The **`transition`** CSS property is a shorthand property for transition-property, transition-duration, transition-timing-function, transition-delay, and transition-behavior.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition)
     */
    transition: string;
    /**
     * The transition-behavior CSS property specifies whether transitions will be started for properties whose animation behavior is discrete.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-behavior)
     */
    transitionBehavior: string;
    /**
     * The transition-delay CSS property specifies the duration to wait before starting a property's transition effect when its value changes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-delay)
     */
    transitionDelay: string;
    /**
     * The transition-duration CSS property sets the length of time a transition animation should take to complete. By default, the value is 0s, meaning that no animation will occur.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-duration)
     */
    transitionDuration: string;
    /**
     * The transition-property CSS property sets the CSS properties to which a transition effect should be applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-property)
     */
    transitionProperty: string;
    /**
     * The transition-timing-function CSS property sets how intermediate values are calculated for CSS properties being affected by a transition effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-timing-function)
     */
    transitionTimingFunction: string;
    /**
     * The **`translate`** CSS property allows you to specify translation transforms individually and independently of the transform property. This maps better to typical user interface usage, and saves having to remember the exact order of transform functions to specify in the transform value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/translate)
     */
    translate: string;
    /**
     * The unicode-bidi CSS property, together with the direction property, determines how bidirectional text in a document is handled. For example, if a block of content contains both left-to-right and right-to-left text, the user-agent uses a complex Unicode algorithm to decide how to display the text. The unicode-bidi property overrides this algorithm and allows the developer to control the text embedding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/unicode-bidi)
     */
    unicodeBidi: string;
    /**
     * The user-select CSS property controls whether the user can select text. This doesn't have any effect on content loaded as part of a browser's user interface (its chrome), except in textboxes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/user-select)
     */
    userSelect: string;
    /**
     * The vector-effect CSS property suppresses specific transformation effects in SVG, thus permitting effects like a road on a map staying the same width no matter how the map is zoomed, or allowing a diagram key to retain its position and size regardless of other transforms. It can only be used with SVG elements that accept the vector-effect attribute. When used, the CSS value overrides any values of the element's vector-effect attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/vector-effect)
     */
    vectorEffect: string;
    /**
     * The vertical-align CSS property sets vertical alignment of an inline, inline-block or table-cell box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/vertical-align)
     */
    verticalAlign: string;
    /**
     * The view-timeline CSS shorthand property defines a named view progress timeline's name, direction, and inset values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-timeline)
     */
    viewTimeline: string;
    /**
     * The view-timeline-axis CSS property specifies the scroll direction to be used for a named view progress timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-timeline-axis)
     */
    viewTimelineAxis: string;
    /**
     * The view-timeline-inset CSS property is used to specify one or two values representing an adjustment to the position of the scrollport (see Scroll container for more details) in which the subject element of a named view progress timeline animation is deemed to be visible. Put another way, this allows you to specify start and/or end inset (or outset) values that offset the position of the timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-timeline-inset)
     */
    viewTimelineInset: string;
    /**
     * The view-timeline-name CSS property specifies the names of one or more named view progress timelines associated with the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-timeline-name)
     */
    viewTimelineName: string;
    /**
     * The view-transition-class CSS property provides the selected elements with an identifying class (a <custom-ident>), providing an additional method of styling the view transitions for those elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-transition-class)
     */
    viewTransitionClass: string;
    /**
     * The view-transition-name CSS property specifies the view transition snapshot that selected elements will participate in. This enables you to animate those elements separately from the rest of the page, which uses the default cross-fade animation during a view transition. You can then define custom animation styles for these elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/view-transition-name)
     */
    viewTransitionName: string;
    /**
     * The **`visibility`** CSS property shows or hides an element without changing the layout of a document. The property can also hide rows or columns in a <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/visibility)
     */
    visibility: string;
    /**
     * @deprecated This is a legacy alias of `alignContent`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-content)
     */
    webkitAlignContent: string;
    /**
     * @deprecated This is a legacy alias of `alignItems`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-items)
     */
    webkitAlignItems: string;
    /**
     * @deprecated This is a legacy alias of `alignSelf`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/align-self)
     */
    webkitAlignSelf: string;
    /**
     * @deprecated This is a legacy alias of `animation`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation)
     */
    webkitAnimation: string;
    /**
     * @deprecated This is a legacy alias of `animationDelay`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-delay)
     */
    webkitAnimationDelay: string;
    /**
     * @deprecated This is a legacy alias of `animationDirection`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-direction)
     */
    webkitAnimationDirection: string;
    /**
     * @deprecated This is a legacy alias of `animationDuration`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-duration)
     */
    webkitAnimationDuration: string;
    /**
     * @deprecated This is a legacy alias of `animationFillMode`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-fill-mode)
     */
    webkitAnimationFillMode: string;
    /**
     * @deprecated This is a legacy alias of `animationIterationCount`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-iteration-count)
     */
    webkitAnimationIterationCount: string;
    /**
     * @deprecated This is a legacy alias of `animationName`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-name)
     */
    webkitAnimationName: string;
    /**
     * @deprecated This is a legacy alias of `animationPlayState`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-play-state)
     */
    webkitAnimationPlayState: string;
    /**
     * @deprecated This is a legacy alias of `animationTimingFunction`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-timing-function)
     */
    webkitAnimationTimingFunction: string;
    /**
     * @deprecated This is a legacy alias of `appearance`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/appearance)
     */
    webkitAppearance: string;
    /**
     * @deprecated This is a legacy alias of `backfaceVisibility`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/backface-visibility)
     */
    webkitBackfaceVisibility: string;
    /**
     * @deprecated This is a legacy alias of `backgroundClip`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-clip)
     */
    webkitBackgroundClip: string;
    /**
     * @deprecated This is a legacy alias of `backgroundOrigin`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-origin)
     */
    webkitBackgroundOrigin: string;
    /**
     * @deprecated This is a legacy alias of `backgroundSize`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/background-size)
     */
    webkitBackgroundSize: string;
    /**
     * @deprecated This is a legacy alias of `borderBottomLeftRadius`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-left-radius)
     */
    webkitBorderBottomLeftRadius: string;
    /**
     * @deprecated This is a legacy alias of `borderBottomRightRadius`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-bottom-right-radius)
     */
    webkitBorderBottomRightRadius: string;
    /**
     * @deprecated This is a legacy alias of `borderRadius`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-radius)
     */
    webkitBorderRadius: string;
    /**
     * @deprecated This is a legacy alias of `borderTopLeftRadius`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-left-radius)
     */
    webkitBorderTopLeftRadius: string;
    /**
     * @deprecated This is a legacy alias of `borderTopRightRadius`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/border-top-right-radius)
     */
    webkitBorderTopRightRadius: string;
    /**
     * @deprecated This is a legacy alias of `boxAlign`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-align)
     */
    webkitBoxAlign: string;
    /**
     * @deprecated This is a legacy alias of `boxFlex`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-flex)
     */
    webkitBoxFlex: string;
    /**
     * @deprecated This is a legacy alias of `boxOrdinalGroup`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-ordinal-group)
     */
    webkitBoxOrdinalGroup: string;
    /**
     * @deprecated This is a legacy alias of `boxOrient`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-orient)
     */
    webkitBoxOrient: string;
    /**
     * @deprecated This is a legacy alias of `boxPack`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-pack)
     */
    webkitBoxPack: string;
    /**
     * @deprecated This is a legacy alias of `boxShadow`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-shadow)
     */
    webkitBoxShadow: string;
    /**
     * @deprecated This is a legacy alias of `boxSizing`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/box-sizing)
     */
    webkitBoxSizing: string;
    /**
     * @deprecated This is a legacy alias of `filter`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/filter)
     */
    webkitFilter: string;
    /**
     * @deprecated This is a legacy alias of `flex`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex)
     */
    webkitFlex: string;
    /**
     * @deprecated This is a legacy alias of `flexBasis`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-basis)
     */
    webkitFlexBasis: string;
    /**
     * @deprecated This is a legacy alias of `flexDirection`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-direction)
     */
    webkitFlexDirection: string;
    /**
     * @deprecated This is a legacy alias of `flexFlow`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-flow)
     */
    webkitFlexFlow: string;
    /**
     * @deprecated This is a legacy alias of `flexGrow`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-grow)
     */
    webkitFlexGrow: string;
    /**
     * @deprecated This is a legacy alias of `flexShrink`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-shrink)
     */
    webkitFlexShrink: string;
    /**
     * @deprecated This is a legacy alias of `flexWrap`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/flex-wrap)
     */
    webkitFlexWrap: string;
    /**
     * @deprecated This is a legacy alias of `justifyContent`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/justify-content)
     */
    webkitJustifyContent: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/line-clamp) */
    webkitLineClamp: string;
    /**
     * @deprecated This is a legacy alias of `mask`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask)
     */
    webkitMask: string;
    /**
     * The non-standard prefixed -webkit-mask-box-image shorthand property sets the mask image for an element's border box.
     * @deprecated This is a legacy alias of `maskBorder`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border)
     */
    webkitMaskBoxImage: string;
    /**
     * @deprecated This is a legacy alias of `maskBorderOutset`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border-outset)
     */
    webkitMaskBoxImageOutset: string;
    /**
     * @deprecated This is a legacy alias of `maskBorderRepeat`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border-repeat)
     */
    webkitMaskBoxImageRepeat: string;
    /**
     * @deprecated This is a legacy alias of `maskBorderSlice`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border-slice)
     */
    webkitMaskBoxImageSlice: string;
    /**
     * @deprecated This is a legacy alias of `maskBorderSource`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border-source)
     */
    webkitMaskBoxImageSource: string;
    /**
     * @deprecated This is a legacy alias of `maskBorderWidth`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-border-width)
     */
    webkitMaskBoxImageWidth: string;
    /**
     * @deprecated This is a legacy alias of `maskClip`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-clip)
     */
    webkitMaskClip: string;
    /**
     * The -webkit-mask-composite property specifies the manner in which multiple mask images applied to the same element are composited with one another. Mask images are composited in the opposite order that they are declared with the -webkit-mask-image property.
     * @deprecated This is a legacy alias of `maskComposite`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-composite)
     */
    webkitMaskComposite: string;
    /**
     * @deprecated This is a legacy alias of `maskImage`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-image)
     */
    webkitMaskImage: string;
    /**
     * @deprecated This is a legacy alias of `maskOrigin`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-origin)
     */
    webkitMaskOrigin: string;
    /**
     * @deprecated This is a legacy alias of `maskPosition`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-position)
     */
    webkitMaskPosition: string;
    /**
     * @deprecated This is a legacy alias of `maskRepeat`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-repeat)
     */
    webkitMaskRepeat: string;
    /**
     * @deprecated This is a legacy alias of `maskSize`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/mask-size)
     */
    webkitMaskSize: string;
    /**
     * @deprecated This is a legacy alias of `order`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/order)
     */
    webkitOrder: string;
    /**
     * @deprecated This is a legacy alias of `perspective`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/perspective)
     */
    webkitPerspective: string;
    /**
     * @deprecated This is a legacy alias of `perspectiveOrigin`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/perspective-origin)
     */
    webkitPerspectiveOrigin: string;
    /**
     * The -webkit-text-fill-color CSS property specifies the fill color of characters of text. If this property is not set, the value of the color property is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/-webkit-text-fill-color)
     */
    webkitTextFillColor: string;
    /**
     * @deprecated This is a legacy alias of `textSizeAdjust`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/text-size-adjust)
     */
    webkitTextSizeAdjust: string;
    /**
     * The -webkit-text-stroke CSS property specifies the width and color of strokes for text characters. This is a shorthand property for the longhand properties -webkit-text-stroke-width and -webkit-text-stroke-color.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/-webkit-text-stroke)
     */
    webkitTextStroke: string;
    /**
     * The -webkit-text-stroke-color CSS property specifies the stroke color of characters of text. If this property is not set, the value of the color property is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/-webkit-text-stroke-color)
     */
    webkitTextStrokeColor: string;
    /**
     * The -webkit-text-stroke-width CSS property specifies the width of the stroke for text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/-webkit-text-stroke-width)
     */
    webkitTextStrokeWidth: string;
    /**
     * @deprecated This is a legacy alias of `transform`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform)
     */
    webkitTransform: string;
    /**
     * @deprecated This is a legacy alias of `transformOrigin`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform-origin)
     */
    webkitTransformOrigin: string;
    /**
     * @deprecated This is a legacy alias of `transformStyle`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transform-style)
     */
    webkitTransformStyle: string;
    /**
     * @deprecated This is a legacy alias of `transition`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition)
     */
    webkitTransition: string;
    /**
     * @deprecated This is a legacy alias of `transitionDelay`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-delay)
     */
    webkitTransitionDelay: string;
    /**
     * @deprecated This is a legacy alias of `transitionDuration`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-duration)
     */
    webkitTransitionDuration: string;
    /**
     * @deprecated This is a legacy alias of `transitionProperty`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-property)
     */
    webkitTransitionProperty: string;
    /**
     * @deprecated This is a legacy alias of `transitionTimingFunction`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/transition-timing-function)
     */
    webkitTransitionTimingFunction: string;
    /**
     * @deprecated This is a legacy alias of `userSelect`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/user-select)
     */
    webkitUserSelect: string;
    /**
     * The white-space CSS property sets how white space inside an element is handled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/white-space)
     */
    whiteSpace: string;
    /**
     * The white-space-collapse CSS property controls how white space inside an element is collapsed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/white-space-collapse)
     */
    whiteSpaceCollapse: string;
    /**
     * The **`widows`** CSS property sets the minimum number of lines in a block container that must be shown at the top of a page, region, or column.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/widows)
     */
    widows: string;
    /**
     * The **`width`** CSS property sets an element's width. By default, it sets the width of the content area, but if box-sizing is set to border-box, it sets the width of the border area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/width)
     */
    width: string;
    /**
     * The will-change CSS property hints to browsers how an element is expected to change. Browsers may set up optimizations before an element is actually changed. These kinds of optimizations can increase the responsiveness of a page by doing potentially expensive work before they are actually required.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/will-change)
     */
    willChange: string;
    /**
     * The word-break CSS property sets whether line breaks appear wherever the text would otherwise overflow its content box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/word-break)
     */
    wordBreak: string;
    /**
     * The word-spacing CSS property sets the length of space between words and between tags.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/word-spacing)
     */
    wordSpacing: string;
    /**
     * @deprecated `word-wrap` is a legacy alias of `overflow-wrap`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/overflow-wrap)
     */
    wordWrap: string;
    /**
     * The writing-mode CSS property sets whether lines of text are laid out horizontally or vertically, as well as the direction in which blocks progress. When set for an entire document, it should be set on the root element (html element for HTML documents).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/writing-mode)
     */
    writingMode: string;
    /**
     * The **`x`** CSS property defines the x-axis coordinate of the top left corner of the SVG <rect> shape, <image> image, <foreignObject> viewport or nested <svg> viewport relative to the nearest <svg> ancestor's user coordinate system. If present, it overrides the element's x attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/x)
     */
    x: string;
    /**
     * The **`y`** CSS property defines the y-axis coordinate of the top left corner of the SVG <rect> shape, <image> image, <foreignObject> viewport and nested <svg> viewport relative to the nearest <svg> ancestor's user coordinate system. If present, it overrides the element's y attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/y)
     */
    y: string;
    /**
     * The z-index CSS property sets the z-order of a positioned element and its descendants or flex and grid items. Overlapping elements with a larger z-index cover those with a smaller one.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/z-index)
     */
    zIndex: string;
    /**
     * The **`zoom`** CSS property can be used to control the magnification level of an element. transform: scale() can be used as an alternative to this property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/zoom)
     */
    zoom: string;
}

declare var CSSStyleProperties: {
    prototype: CSSStyleProperties;
    new(): CSSStyleProperties;
};

/**
 * The **`CSSStyleRule`** interface represents a single CSS style rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleRule)
 */
interface CSSStyleRule extends CSSGroupingRule {
    /**
     * The **`selectorText`** property of the CSSStyleRule interface gets and sets the selectors associated with the CSSStyleRule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleRule/selectorText)
     */
    selectorText: string;
    /**
     * The read-only **`style`** property of the CSSStyleRule interface contains a CSSStyleProperties object representing the properties list in this style rule's body.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleRule/style)
     */
    get style(): CSSStyleDeclaration;
    set style(cssText: string);
    /**
     * The **`styleMap`** read-only property of the CSSStyleRule interface returns a StylePropertyMap object which provides access to the rule's property-value pairs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleRule/styleMap)
     */
    readonly styleMap: StylePropertyMap;
}

declare var CSSStyleRule: {
    prototype: CSSStyleRule;
    new(): CSSStyleRule;
};

/**
 * The **`CSSStyleSheet`** interface represents a single CSS stylesheet, and lets you inspect and modify the list of rules contained in the stylesheet. It inherits properties and methods from its parent, StyleSheet.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet)
 */
interface CSSStyleSheet extends StyleSheet {
    /**
     * The read-only CSSStyleSheet property **`cssRules`** returns a live CSSRuleList which provides a real-time, up-to-date list of every CSS rule which comprises the stylesheet. Each item in the list is a CSSRule defining a single rule.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/cssRules)
     */
    readonly cssRules: CSSRuleList;
    /**
     * The read-only CSSStyleSheet property **`ownerRule`** returns the CSSImportRule corresponding to the @import at-rule which imported the stylesheet into the document. If the stylesheet wasn't imported into the document using @import, the returned value is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/ownerRule)
     */
    readonly ownerRule: CSSRule | null;
    /**
     * **`rules`** is a deprecated legacy property of the CSSStyleSheet interface. Functionally identical to the preferred cssRules property, it provides access to a live-updating list of the CSS rules comprising the stylesheet.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/rules)
     */
    readonly rules: CSSRuleList;
    /**
     * The obsolete CSSStyleSheet interface's **`addRule()`** legacy method adds a new rule to the stylesheet. You should avoid using this method, and should instead use the more standard insertRule() method.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/addRule)
     */
    addRule(selector?: string, style?: string, index?: number): number;
    /**
     * The CSSStyleSheet method **`deleteRule()`** removes a rule from the stylesheet object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/deleteRule)
     */
    deleteRule(index: number): void;
    /**
     * The **`CSSStyleSheet.insertRule()`** method inserts a new CSS rule into the current style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/insertRule)
     */
    insertRule(rule: string, index?: number): number;
    /**
     * The obsolete CSSStyleSheet method **`removeRule()`** removes a rule from the stylesheet object. It is functionally identical to the standard, preferred method deleteRule().
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/removeRule)
     */
    removeRule(index?: number): void;
    /**
     * The **`replace()`** method of the CSSStyleSheet interface asynchronously replaces the content of the stylesheet with the content passed into it. The method returns a promise that resolves with the CSSStyleSheet object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/replace)
     */
    replace(text: string): Promise<CSSStyleSheet>;
    /**
     * The **`replaceSync()`** method of the CSSStyleSheet interface synchronously replaces the content of the stylesheet with the content passed into it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/replaceSync)
     */
    replaceSync(text: string): void;
}

declare var CSSStyleSheet: {
    prototype: CSSStyleSheet;
    new(options?: CSSStyleSheetInit): CSSStyleSheet;
};

/**
 * The **`CSSStyleValue`** interface of the CSS Typed Object Model API is the base class of all CSS values accessible through the Typed OM API. An instance of this class may be used anywhere a string is expected.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleValue)
 */
interface CSSStyleValue {
    toString(): string;
}

declare var CSSStyleValue: {
    prototype: CSSStyleValue;
    new(): CSSStyleValue;
    /**
     * The **`parse()`** static method of the CSSStyleValue interface sets a specific CSS property to the specified values and returns the first value as a CSSStyleValue object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleValue/parse_static)
     */
    parse(property: string, cssText: string): CSSStyleValue;
    /**
     * The **`parseAll()`** static method of the CSSStyleValue interface sets all occurrences of a specific CSS property to the specified value and returns an array of CSSStyleValue objects, each containing one of the supplied values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSStyleValue/parseAll_static)
     */
    parseAll(property: string, cssText: string): CSSStyleValue[];
};

/**
 * The **`CSSSupportsRule`** interface represents a single CSS @supports at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSSupportsRule)
 */
interface CSSSupportsRule extends CSSConditionRule {
}

declare var CSSSupportsRule: {
    prototype: CSSSupportsRule;
    new(): CSSSupportsRule;
};

/**
 * The **`CSSTransformComponent`** interface of the CSS Typed Object Model API is part of the CSSTransformValue interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformComponent)
 */
interface CSSTransformComponent {
    /**
     * The **`is2D`** read-only property of the CSSTransformComponent interface indicates where the transform is 2D or 3D.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformComponent/is2D)
     */
    is2D: boolean;
    /**
     * The **`toMatrix()`** method of the CSSTransformComponent interface returns a DOMMatrix object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformComponent/toMatrix)
     */
    toMatrix(): DOMMatrix;
    toString(): string;
}

declare var CSSTransformComponent: {
    prototype: CSSTransformComponent;
    new(): CSSTransformComponent;
};

/**
 * The **`CSSTransformValue`** interface of the CSS Typed Object Model API represents transform-list values as used by the CSS transform property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformValue)
 */
interface CSSTransformValue extends CSSStyleValue {
    /**
     * The read-only **`is2D`** property of the CSSTransformValue interface returns whether the transform is 2D or 3D.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformValue/is2D)
     */
    readonly is2D: boolean;
    /**
     * The read-only **`length`** property of the CSSTransformValue interface returns the number of transform components in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformValue/length)
     */
    readonly length: number;
    /**
     * The **`toMatrix()`** method of the CSSTransformValue interface returns a DOMMatrix object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransformValue/toMatrix)
     */
    toMatrix(): DOMMatrix;
    forEach(callbackfn: (value: CSSTransformComponent, key: number, parent: CSSTransformValue) => void, thisArg?: any): void;
    [index: number]: CSSTransformComponent;
}

declare var CSSTransformValue: {
    prototype: CSSTransformValue;
    new(transforms: CSSTransformComponent[]): CSSTransformValue;
};

/**
 * The **`CSSTransition`** interface of the Web Animations API represents an Animation object used for a CSS Transition.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransition)
 */
interface CSSTransition extends Animation {
    /**
     * The **`transitionProperty`** property of the CSSTransition interface returns the expanded transition property name of the transition. This is the longhand CSS property for which the transition was generated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTransition/transitionProperty)
     */
    readonly transitionProperty: string;
    addEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: CSSTransition, ev: AnimationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AnimationEventMap>(type: K, listener: (this: CSSTransition, ev: AnimationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var CSSTransition: {
    prototype: CSSTransition;
    new(): CSSTransition;
};

/**
 * The **`CSSTranslate`** interface of the CSS Typed Object Model API represents the translate() value of the individual transform property in CSS. It inherits properties and methods from its parent CSSTransformValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTranslate)
 */
interface CSSTranslate extends CSSTransformComponent {
    /**
     * The **`x`** property of the CSSTranslate interface gets and sets the abscissa or x-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTranslate/x)
     */
    x: CSSNumericValue;
    /**
     * The **`y`** property of the CSSTranslate interface gets and sets the ordinate or y-axis of the translating vector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTranslate/y)
     */
    y: CSSNumericValue;
    /**
     * The **`z`** property of the CSSTranslate interface representing the z-component of the translating vector. A positive value moves the element towards the viewer, and a negative value farther away.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSTranslate/z)
     */
    z: CSSNumericValue;
}

declare var CSSTranslate: {
    prototype: CSSTranslate;
    new(x: CSSNumericValue, y: CSSNumericValue, z?: CSSNumericValue): CSSTranslate;
};

/**
 * The **`CSSUnitValue`** interface of the CSS Typed Object Model API represents values that contain a single unit type. For example, "42px" would be represented by a CSSNumericValue.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSUnitValue)
 */
interface CSSUnitValue extends CSSNumericValue {
    /**
     * The **`CSSUnitValue.unit`** read-only property of the CSSUnitValue interface returns a string indicating the type of unit.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSUnitValue/unit)
     */
    readonly unit: string;
    /**
     * The **`CSSUnitValue.value`** property of the CSSUnitValue interface returns a double indicating the number of units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSUnitValue/value)
     */
    value: number;
}

declare var CSSUnitValue: {
    prototype: CSSUnitValue;
    new(value: number, unit: string): CSSUnitValue;
};

/**
 * The **`CSSUnparsedValue`** interface of the CSS Typed Object Model API represents property values that reference custom properties. It consists of a list of string fragments and variable references.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSUnparsedValue)
 */
interface CSSUnparsedValue extends CSSStyleValue {
    /**
     * The **`length`** read-only property of the CSSUnparsedValue interface returns the number of items in the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSUnparsedValue/length)
     */
    readonly length: number;
    forEach(callbackfn: (value: CSSUnparsedSegment, key: number, parent: CSSUnparsedValue) => void, thisArg?: any): void;
    [index: number]: CSSUnparsedSegment;
}

declare var CSSUnparsedValue: {
    prototype: CSSUnparsedValue;
    new(members: CSSUnparsedSegment[]): CSSUnparsedValue;
};

/**
 * The **`CSSVariableReferenceValue`** interface of the CSS Typed Object Model API allows you to create a custom name for a built-in CSS value. This object functionality is sometimes called a "CSS variable" and serves the same purpose as the var() function. The custom name must begin with two dashes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSVariableReferenceValue)
 */
interface CSSVariableReferenceValue {
    /**
     * The **`fallback`** read-only property of the CSSVariableReferenceValue interface returns the custom property fallback value of the CSSVariableReferenceValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSVariableReferenceValue/fallback)
     */
    readonly fallback: CSSUnparsedValue | null;
    /**
     * The **`variable`** property of the CSSVariableReferenceValue interface returns the custom property name of the CSSVariableReferenceValue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSVariableReferenceValue/variable)
     */
    variable: string;
}

declare var CSSVariableReferenceValue: {
    prototype: CSSVariableReferenceValue;
    new(variable: string, fallback?: CSSUnparsedValue | null): CSSVariableReferenceValue;
};

/**
 * The **`CSSViewTransitionRule`** interface represents a CSS @view-transition at-rule.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSViewTransitionRule)
 */
interface CSSViewTransitionRule extends CSSRule {
    /**
     * The **`navigation`** read-only property of the CSSViewTransitionRule interface returns the associated @view-transition at-rule's navigation descriptor value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSViewTransitionRule/navigation)
     */
    readonly navigation: string;
    /**
     * The **`types`** read-only property of the CSSViewTransitionRule interface returns an array containing the associated @view-transition at-rule's types descriptor values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CSSViewTransitionRule/types)
     */
    readonly types: ReadonlyArray<string>;
}

declare var CSSViewTransitionRule: {
    prototype: CSSViewTransitionRule;
    new(): CSSViewTransitionRule;
};

/**
 * The **`Cache`** interface provides a persistent storage mechanism for Request / Response object pairs that are cached in long lived memory. How long a Cache object lives is browser dependent, but a single origin's scripts can typically rely on the presence of a previously populated Cache object. Note that the Cache interface is exposed to windowed scopes as well as workers. You don't have to use it in conjunction with service workers, even though it is defined in the service worker spec.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache)
 */
interface Cache {
    /**
     * The **`add()`** method of the Cache interface takes a URL, retrieves it, and adds the resulting response object to the given cache.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/add)
     */
    add(request: RequestInfo | URL): Promise<void>;
    /**
     * The **`addAll()`** method of the Cache interface takes an array of URLs, retrieves them, and adds the resulting response objects to the given cache. The request objects created during retrieval become keys to the stored response operations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/addAll)
     */
    addAll(requests: RequestInfo[]): Promise<void>;
    /**
     * The **`delete()`** method of the Cache interface finds the Cache entry whose key is the request, and if found, deletes the Cache entry and returns a Promise that resolves to true. If no Cache entry is found, it resolves to false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/delete)
     */
    delete(request: RequestInfo | URL, options?: CacheQueryOptions): Promise<boolean>;
    /**
     * The **`keys()`** method of the Cache interface returns a Promise that resolves to an array of Request objects representing the keys of the Cache.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/keys)
     */
    keys(request?: RequestInfo | URL, options?: CacheQueryOptions): Promise<ReadonlyArray<Request>>;
    /**
     * The **`match()`** method of the Cache interface returns a Promise that resolves to the Response associated with the first matching request in the Cache object. If no match is found, the Promise resolves to undefined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/match)
     */
    match(request: RequestInfo | URL, options?: CacheQueryOptions): Promise<Response | undefined>;
    /**
     * The **`matchAll()`** method of the Cache interface returns a Promise that resolves to an array of all matching responses in the Cache object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/matchAll)
     */
    matchAll(request?: RequestInfo | URL, options?: CacheQueryOptions): Promise<ReadonlyArray<Response>>;
    /**
     * The **`put()`** method of the Cache interface allows key/value pairs to be added to the current Cache object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Cache/put)
     */
    put(request: RequestInfo | URL, response: Response): Promise<void>;
}

declare var Cache: {
    prototype: Cache;
    new(): Cache;
};

/**
 * The **`CacheStorage`** interface represents the storage for Cache objects.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage)
 */
interface CacheStorage {
    /**
     * The **`delete()`** method of the CacheStorage interface finds the Cache object matching the cacheName, and if found, deletes the Cache object and returns a Promise that resolves to true. If no Cache object is found, it resolves to false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage/delete)
     */
    delete(cacheName: string): Promise<boolean>;
    /**
     * The **`has()`** method of the CacheStorage interface returns a Promise that resolves to true if a Cache object matches the cacheName.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage/has)
     */
    has(cacheName: string): Promise<boolean>;
    /**
     * The **`keys()`** method of the CacheStorage interface returns a Promise that will resolve with an array containing strings corresponding to all of the named Cache objects tracked by the CacheStorage object in the order they were created. Use this method to iterate over a list of all Cache objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage/keys)
     */
    keys(): Promise<string[]>;
    /**
     * The **`match()`** method of the CacheStorage interface checks if a given Request or URL string is a key for a stored Response. This method returns a Promise for a Response, or a Promise which resolves to undefined if no match is found.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage/match)
     */
    match(request: RequestInfo | URL, options?: MultiCacheQueryOptions): Promise<Response | undefined>;
    /**
     * The **`open()`** method of the CacheStorage interface returns a Promise that resolves to the Cache object matching the cacheName.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CacheStorage/open)
     */
    open(cacheName: string): Promise<Cache>;
}

declare var CacheStorage: {
    prototype: CacheStorage;
    new(): CacheStorage;
};

/**
 * The **`CanvasCaptureMediaStreamTrack`** interface of the Media Capture and Streams API represents the video track contained in a MediaStream being generated from a <canvas> following a call to HTMLCanvasElement.captureStream().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasCaptureMediaStreamTrack)
 */
interface CanvasCaptureMediaStreamTrack extends MediaStreamTrack {
    /**
     * The **`canvas`** read-only property of the CanvasCaptureMediaStreamTrack interface returns the HTMLCanvasElement from which frames are being captured.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasCaptureMediaStreamTrack/canvas)
     */
    readonly canvas: HTMLCanvasElement;
    /**
     * The **`requestFrame()`** method of the CanvasCaptureMediaStreamTrack interface requests that a frame be captured from the canvas and sent to the stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasCaptureMediaStreamTrack/requestFrame)
     */
    requestFrame(): void;
    addEventListener<K extends keyof MediaStreamTrackEventMap>(type: K, listener: (this: CanvasCaptureMediaStreamTrack, ev: MediaStreamTrackEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaStreamTrackEventMap>(type: K, listener: (this: CanvasCaptureMediaStreamTrack, ev: MediaStreamTrackEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var CanvasCaptureMediaStreamTrack: {
    prototype: CanvasCaptureMediaStreamTrack;
    new(): CanvasCaptureMediaStreamTrack;
};

interface CanvasCompositing {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/globalAlpha) */
    globalAlpha: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/globalCompositeOperation) */
    globalCompositeOperation: GlobalCompositeOperation;
}

interface CanvasDrawImage {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/drawImage) */
    drawImage(image: CanvasImageSource, dx: number, dy: number): void;
    drawImage(image: CanvasImageSource, dx: number, dy: number, dw: number, dh: number): void;
    drawImage(image: CanvasImageSource, sx: number, sy: number, sw: number, sh: number, dx: number, dy: number, dw: number, dh: number): void;
}

interface CanvasDrawPath {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/beginPath) */
    beginPath(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/clip) */
    clip(fillRule?: CanvasFillRule): void;
    clip(path: Path2D, fillRule?: CanvasFillRule): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fill) */
    fill(fillRule?: CanvasFillRule): void;
    fill(path: Path2D, fillRule?: CanvasFillRule): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/isPointInPath) */
    isPointInPath(x: number, y: number, fillRule?: CanvasFillRule): boolean;
    isPointInPath(path: Path2D, x: number, y: number, fillRule?: CanvasFillRule): boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/isPointInStroke) */
    isPointInStroke(x: number, y: number): boolean;
    isPointInStroke(path: Path2D, x: number, y: number): boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/stroke) */
    stroke(): void;
    stroke(path: Path2D): void;
}

interface CanvasFillStrokeStyles {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fillStyle) */
    fillStyle: string | CanvasGradient | CanvasPattern;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/strokeStyle) */
    strokeStyle: string | CanvasGradient | CanvasPattern;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/createConicGradient) */
    createConicGradient(startAngle: number, x: number, y: number): CanvasGradient;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/createLinearGradient) */
    createLinearGradient(x0: number, y0: number, x1: number, y1: number): CanvasGradient;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/createPattern) */
    createPattern(image: CanvasImageSource, repetition: string | null): CanvasPattern | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/createRadialGradient) */
    createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number, r1: number): CanvasGradient;
}

interface CanvasFilters {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/filter) */
    filter: string;
}

/**
 * The **`CanvasGradient`** interface represents an opaque object describing a gradient. It is returned by the methods CanvasRenderingContext2D.createLinearGradient(), CanvasRenderingContext2D.createConicGradient() or CanvasRenderingContext2D.createRadialGradient().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasGradient)
 */
interface CanvasGradient {
    /**
     * The **`CanvasGradient.addColorStop()`** method adds a new color stop, defined by an offset and a color, to a given canvas gradient.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasGradient/addColorStop)
     */
    addColorStop(offset: number, color: string): void;
}

declare var CanvasGradient: {
    prototype: CanvasGradient;
    new(): CanvasGradient;
};

interface CanvasImageData {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/createImageData) */
    createImageData(sw: number, sh: number, settings?: ImageDataSettings): ImageData;
    createImageData(imageData: ImageData): ImageData;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/getImageData) */
    getImageData(sx: number, sy: number, sw: number, sh: number, settings?: ImageDataSettings): ImageData;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/putImageData) */
    putImageData(imageData: ImageData, dx: number, dy: number): void;
    putImageData(imageData: ImageData, dx: number, dy: number, dirtyX: number, dirtyY: number, dirtyWidth: number, dirtyHeight: number): void;
}

interface CanvasImageSmoothing {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/imageSmoothingEnabled) */
    imageSmoothingEnabled: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/imageSmoothingQuality) */
    imageSmoothingQuality: ImageSmoothingQuality;
}

interface CanvasPath {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/arc) */
    arc(x: number, y: number, radius: number, startAngle: number, endAngle: number, counterclockwise?: boolean): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/arcTo) */
    arcTo(x1: number, y1: number, x2: number, y2: number, radius: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/bezierCurveTo) */
    bezierCurveTo(cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/closePath) */
    closePath(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/ellipse) */
    ellipse(x: number, y: number, radiusX: number, radiusY: number, rotation: number, startAngle: number, endAngle: number, counterclockwise?: boolean): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/lineTo) */
    lineTo(x: number, y: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/moveTo) */
    moveTo(x: number, y: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/quadraticCurveTo) */
    quadraticCurveTo(cpx: number, cpy: number, x: number, y: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/rect) */
    rect(x: number, y: number, w: number, h: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/roundRect) */
    roundRect(x: number, y: number, w: number, h: number, radii?: number | DOMPointInit | (number | DOMPointInit)[]): void;
}

interface CanvasPathDrawingStyles {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/lineCap) */
    lineCap: CanvasLineCap;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/lineDashOffset) */
    lineDashOffset: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/lineJoin) */
    lineJoin: CanvasLineJoin;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/lineWidth) */
    lineWidth: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/miterLimit) */
    miterLimit: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/getLineDash) */
    getLineDash(): number[];
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash) */
    setLineDash(segments: number[]): void;
}

/**
 * The **`CanvasPattern`** interface represents an opaque object describing a pattern, based on an image, a canvas, or a video, created by the CanvasRenderingContext2D.createPattern() method.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasPattern)
 */
interface CanvasPattern {
    /**
     * The **`CanvasPattern.setTransform()`** method uses a DOMMatrix object as the pattern's transformation matrix and invokes it on the pattern.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasPattern/setTransform)
     */
    setTransform(transform?: DOMMatrix2DInit): void;
}

declare var CanvasPattern: {
    prototype: CanvasPattern;
    new(): CanvasPattern;
};

interface CanvasRect {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/clearRect) */
    clearRect(x: number, y: number, w: number, h: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fillRect) */
    fillRect(x: number, y: number, w: number, h: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/strokeRect) */
    strokeRect(x: number, y: number, w: number, h: number): void;
}

/**
 * The **`CanvasRenderingContext2D`** interface, part of the Canvas API, provides the 2D rendering context for the drawing surface of a <canvas> element. It is used for drawing shapes, text, images, and other objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D)
 */
interface CanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasSettings, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform, CanvasUserInterface {
    /**
     * The **`CanvasRenderingContext2D.canvas`** property, part of the Canvas API, is a read-only reference to the HTMLCanvasElement object that is associated with a given context. It might be null if there is no associated <canvas> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas)
     */
    readonly canvas: HTMLCanvasElement;
}

declare var CanvasRenderingContext2D: {
    prototype: CanvasRenderingContext2D;
    new(): CanvasRenderingContext2D;
};

interface CanvasSettings {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/getContextAttributes) */
    getContextAttributes(): CanvasRenderingContext2DSettings;
}

interface CanvasShadowStyles {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/shadowBlur) */
    shadowBlur: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/shadowColor) */
    shadowColor: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/shadowOffsetX) */
    shadowOffsetX: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/shadowOffsetY) */
    shadowOffsetY: number;
}

interface CanvasState {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/isContextLost) */
    isContextLost(): boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/reset) */
    reset(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/restore) */
    restore(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/save) */
    save(): void;
}

interface CanvasText {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fillText) */
    fillText(text: string, x: number, y: number, maxWidth?: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/measureText) */
    measureText(text: string): TextMetrics;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/strokeText) */
    strokeText(text: string, x: number, y: number, maxWidth?: number): void;
}

interface CanvasTextDrawingStyles {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/direction) */
    direction: CanvasDirection;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/font) */
    font: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fontKerning) */
    fontKerning: CanvasFontKerning;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fontStretch) */
    fontStretch: CanvasFontStretch;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/fontVariantCaps) */
    fontVariantCaps: CanvasFontVariantCaps;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/letterSpacing) */
    letterSpacing: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/textAlign) */
    textAlign: CanvasTextAlign;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/textBaseline) */
    textBaseline: CanvasTextBaseline;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/textRendering) */
    textRendering: CanvasTextRendering;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/wordSpacing) */
    wordSpacing: string;
}

interface CanvasTransform {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/getTransform) */
    getTransform(): DOMMatrix;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/resetTransform) */
    resetTransform(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/rotate) */
    rotate(angle: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/scale) */
    scale(x: number, y: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setTransform) */
    setTransform(a: number, b: number, c: number, d: number, e: number, f: number): void;
    setTransform(transform?: DOMMatrix2DInit): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/transform) */
    transform(a: number, b: number, c: number, d: number, e: number, f: number): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/translate) */
    translate(x: number, y: number): void;
}

interface CanvasUserInterface {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/drawFocusIfNeeded) */
    drawFocusIfNeeded(element: Element): void;
    drawFocusIfNeeded(path: Path2D, element: Element): void;
}

/**
 * The **`CaretPosition`** interface represents the caret position, an indicator for the text insertion point. You can get a CaretPosition using the Document.caretPositionFromPoint() method.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CaretPosition)
 */
interface CaretPosition {
    /**
     * The **`offset`** property of the CaretPosition interface returns an integer representing the offset of the selection in the caret position node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CaretPosition/offset)
     */
    readonly offset: number;
    /**
     * The **`offsetNode`** property of the CaretPosition interface returns a Node containing the found node at the caret's position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CaretPosition/offsetNode)
     */
    readonly offsetNode: Node;
    /**
     * The **`getClientRect()`** method of the CaretPosition interface returns the client rectangle for the caret range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CaretPosition/getClientRect)
     */
    getClientRect(): DOMRect | null;
}

declare var CaretPosition: {
    prototype: CaretPosition;
    new(): CaretPosition;
};

/**
 * The **`ChannelMergerNode`** interface, often used in conjunction with its opposite, ChannelSplitterNode, reunites different mono inputs into a single output. Each input is used to fill a channel of the output. This is useful for accessing each channel separately, e.g., for performing channel mixing where gain must be separately controlled on each channel.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ChannelMergerNode)
 */
interface ChannelMergerNode extends AudioNode {
}

declare var ChannelMergerNode: {
    prototype: ChannelMergerNode;
    new(context: BaseAudioContext, options?: ChannelMergerOptions): ChannelMergerNode;
};

/**
 * The **`ChannelSplitterNode`** interface, often used in conjunction with its opposite, ChannelMergerNode, separates the different channels of an audio source into a set of mono outputs. This is useful for accessing each channel separately, e.g., for performing channel mixing where gain must be separately controlled on each channel.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ChannelSplitterNode)
 */
interface ChannelSplitterNode extends AudioNode {
}

declare var ChannelSplitterNode: {
    prototype: ChannelSplitterNode;
    new(context: BaseAudioContext, options?: ChannelSplitterOptions): ChannelSplitterNode;
};

/**
 * The **`CharacterData`** abstract interface represents a Node object that contains characters. This is an abstract interface, meaning there aren't any objects of type CharacterData: it is implemented by other interfaces like Text, Comment, CDATASection, or ProcessingInstruction, which aren't abstract.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData)
 */
interface CharacterData extends Node, ChildNode, NonDocumentTypeChildNode {
    /**
     * The **`data`** property of the CharacterData interface represent the value of the current object's data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/data)
     */
    data: string;
    /**
     * The read-only **`CharacterData.length`** property returns the number of characters in the contained data, as a positive integer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/length)
     */
    readonly length: number;
    readonly ownerDocument: Document;
    /**
     * The **`appendData()`** method of the CharacterData interface adds the provided data to the end of the node's current data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/appendData)
     */
    appendData(data: string): void;
    /**
     * The **`deleteData()`** method of the CharacterData interface removes all or part of the data from this CharacterData node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/deleteData)
     */
    deleteData(offset: number, count: number): void;
    /**
     * The **`insertData()`** method of the CharacterData interface inserts the provided data into this CharacterData node's current data, at the provided offset from the start of the existing data. The provided data is spliced into the existing data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/insertData)
     */
    insertData(offset: number, data: string): void;
    /**
     * The **`replaceData()`** method of the CharacterData interface removes a certain number of characters of the existing text in a given CharacterData node and replaces those characters with the text provided.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/replaceData)
     */
    replaceData(offset: number, count: number, data: string): void;
    /**
     * The **`substringData()`** method of the CharacterData interface returns a portion of the existing data, starting at the specified index and extending for a given number of characters afterwards.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/substringData)
     */
    substringData(offset: number, count: number): string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): string;
    set textContent(value: string | null);
}

declare var CharacterData: {
    prototype: CharacterData;
    new(): CharacterData;
};

interface ChildNode extends Node {
    /**
     * Inserts nodes just after node, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/after)
     */
    after(...nodes: (Node | string)[]): void;
    /**
     * Inserts nodes just before node, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/before)
     */
    before(...nodes: (Node | string)[]): void;
    /**
     * Removes node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/remove)
     */
    remove(): void;
    /**
     * Replaces node with nodes, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/replaceWith)
     */
    replaceWith(...nodes: (Node | string)[]): void;
}

/** @deprecated */
interface ClientRect extends DOMRect {
}

/**
 * The **`Clipboard`** interface of the Clipboard API provides read and write access to the contents of the system clipboard. This allows a web application to implement cut, copy, and paste features.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Clipboard)
 */
interface Clipboard extends EventTarget {
    /**
     * The **`read()`** method of the Clipboard interface requests a copy of the clipboard's contents, fulfilling the returned Promise with the data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Clipboard/read)
     */
    read(): Promise<ClipboardItems>;
    /**
     * The **`readText()`** method of the Clipboard interface returns a Promise which fulfills with a copy of the textual contents of the system clipboard.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Clipboard/readText)
     */
    readText(): Promise<string>;
    /**
     * The **`write()`** method of the Clipboard interface writes arbitrary ClipboardItem data such as images and text to the clipboard, fulfilling the returned Promise on completion. This can be used to implement cut and copy functionality.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Clipboard/write)
     */
    write(data: ClipboardItems): Promise<void>;
    /**
     * The **`writeText()`** method of the Clipboard interface writes the specified text to the system clipboard, returning a Promise that is resolved once the system clipboard has been updated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Clipboard/writeText)
     */
    writeText(data: string): Promise<void>;
}

declare var Clipboard: {
    prototype: Clipboard;
    new(): Clipboard;
};

/**
 * The **`ClipboardEvent`** interface of the Clipboard API represents events providing information related to modification of the clipboard, that is cut, copy, and paste events.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardEvent)
 */
interface ClipboardEvent extends Event {
    /**
     * The **`clipboardData`** property of the ClipboardEvent interface holds a DataTransfer object, which can be used to:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardEvent/clipboardData)
     */
    readonly clipboardData: DataTransfer | null;
}

declare var ClipboardEvent: {
    prototype: ClipboardEvent;
    new(type: string, eventInitDict?: ClipboardEventInit): ClipboardEvent;
};

/**
 * The **`ClipboardItem`** interface of the Clipboard API represents a single item format, used when reading or writing clipboard data using Clipboard.read() and Clipboard.write() respectively.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardItem)
 */
interface ClipboardItem {
    /**
     * The read-only **`presentationStyle`** property of the ClipboardItem interface returns a string indicating how an item should be presented.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardItem/presentationStyle)
     */
    readonly presentationStyle: PresentationStyle;
    /**
     * The read-only **`types`** property of the ClipboardItem interface returns an Array of MIME types available within the ClipboardItem.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardItem/types)
     */
    readonly types: ReadonlyArray<string>;
    /**
     * The **`getType()`** method of the ClipboardItem interface returns a Promise that resolves with a Blob of the requested MIME type or an error if the MIME type is not found.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardItem/getType)
     */
    getType(type: string): Promise<Blob>;
}

declare var ClipboardItem: {
    prototype: ClipboardItem;
    new(items: Record<string, string | Blob | PromiseLike<string | Blob>>, options?: ClipboardItemOptions): ClipboardItem;
    /**
     * The **`supports()`** static method of the ClipboardItem interface returns true if the given MIME type is supported by the clipboard, and false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ClipboardItem/supports_static)
     */
    supports(type: string): boolean;
};

/**
 * A **`CloseEvent`** is sent to clients using WebSockets when the connection is closed. This is delivered to the listener indicated by the WebSocket object's onclose attribute.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CloseEvent)
 */
interface CloseEvent extends Event {
    /**
     * The **`code`** read-only property of the CloseEvent interface returns a WebSocket connection close code indicating the reason the connection was closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CloseEvent/code)
     */
    readonly code: number;
    /**
     * The **`reason`** read-only property of the CloseEvent interface returns the WebSocket connection close reason the server gave for closing the connection; that is, a concise human-readable prose explanation for the closure.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CloseEvent/reason)
     */
    readonly reason: string;
    /**
     * The **`wasClean`** read-only property of the CloseEvent interface returns true if the connection closed cleanly.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CloseEvent/wasClean)
     */
    readonly wasClean: boolean;
}

declare var CloseEvent: {
    prototype: CloseEvent;
    new(type: string, eventInitDict?: CloseEventInit): CloseEvent;
};

/**
 * The **`CommandEvent`** interface represents an event notifying the user when a button element with valid commandForElement and command attributes is about to invoke an interactive element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CommandEvent)
 */
interface CommandEvent extends Event {
    /**
     * The **`command`** read-only property of the CommandEvent interface returns a string containing the value of the command property at the time the event was dispatched.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CommandEvent/command)
     */
    readonly command: string;
    /**
     * The **`source`** read-only property of the CommandEvent interface returns an EventTarget representing the control that invoked the given command.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CommandEvent/source)
     */
    readonly source: Element | null;
}

declare var CommandEvent: {
    prototype: CommandEvent;
    new(type: string, eventInitDict?: CommandEventInit): CommandEvent;
};

/**
 * The **`Comment`** interface represents textual notations within markup; although it is generally not visually shown, such comments are available to be read in the source view.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Comment)
 */
interface Comment extends CharacterData {
}

declare var Comment: {
    prototype: Comment;
    new(data?: string): Comment;
};

/**
 * The DOM **`CompositionEvent`** represents events that occur due to the user indirectly entering text.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompositionEvent)
 */
interface CompositionEvent extends UIEvent {
    /**
     * The **`data`** read-only property of the CompositionEvent interface returns the characters generated by the input method that raised the event; its exact nature varies depending on the type of event that generated the CompositionEvent object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompositionEvent/data)
     */
    readonly data: string;
    /**
     * The **`initCompositionEvent()`** method of the CompositionEvent interface initializes the attributes of a CompositionEvent object instance.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompositionEvent/initCompositionEvent)
     */
    initCompositionEvent(typeArg: string, bubblesArg?: boolean, cancelableArg?: boolean, viewArg?: WindowProxy | null, dataArg?: string): void;
}

declare var CompositionEvent: {
    prototype: CompositionEvent;
    new(type: string, eventInitDict?: CompositionEventInit): CompositionEvent;
};

/**
 * The **`CompressionStream`** interface of the Compression Streams API compresses a stream of data. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompressionStream)
 */
interface CompressionStream extends GenericTransformStream {
    /** The **`readable`** read-only property of the CompressionStream interface returns a ReadableStream that emits compressed data as Uint8Array chunks. */
    readonly readable: ReadableStream<Uint8Array<ArrayBuffer>>;
    /** The **`writable`** read-only property of the CompressionStream interface returns a WritableStream that accepts uncompressed data to be compressed, in the form of ArrayBuffer, TypedArray, or DataView chunks. */
    readonly writable: WritableStream<BufferSource>;
}

declare var CompressionStream: {
    prototype: CompressionStream;
    new(format: CompressionFormat): CompressionStream;
};

/**
 * The **`ConstantSourceNode`** interface—part of the Web Audio API—represents an audio source (based upon AudioScheduledSourceNode) whose output is single unchanging value. This makes it useful for cases in which you need a constant value coming in from an audio source. In addition, it can be used like a constructible AudioParam by automating the value of its offset or by connecting another node to it; see Controlling multiple parameters with ConstantSourceNode.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ConstantSourceNode)
 */
interface ConstantSourceNode extends AudioScheduledSourceNode {
    /**
     * The read-only **`offset`** property of the ConstantSourceNode interface returns an AudioParam object indicating the numeric a-rate value which is always returned by the source when asked for the next sample.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ConstantSourceNode/offset)
     */
    readonly offset: AudioParam;
    addEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: ConstantSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: ConstantSourceNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ConstantSourceNode: {
    prototype: ConstantSourceNode;
    new(context: BaseAudioContext, options?: ConstantSourceOptions): ConstantSourceNode;
};

/**
 * The **`ContentVisibilityAutoStateChangeEvent`** interface is the event object for the contentvisibilityautostatechange event, which fires on any element with content-visibility: auto set on it when it starts or stops being relevant to the user and skipping its contents.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContentVisibilityAutoStateChangeEvent)
 */
interface ContentVisibilityAutoStateChangeEvent extends Event {
    /**
     * The **`skipped`** read-only property of the ContentVisibilityAutoStateChangeEvent interface returns true if the user agent skips the element's contents, or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContentVisibilityAutoStateChangeEvent/skipped)
     */
    readonly skipped: boolean;
}

declare var ContentVisibilityAutoStateChangeEvent: {
    prototype: ContentVisibilityAutoStateChangeEvent;
    new(type: string, eventInitDict?: ContentVisibilityAutoStateChangeEventInit): ContentVisibilityAutoStateChangeEvent;
};

/**
 * The **`ConvolverNode`** interface is an AudioNode that performs a Linear Convolution on a given AudioBuffer, often used to achieve a reverb effect. A ConvolverNode always has exactly one input and one output.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ConvolverNode)
 */
interface ConvolverNode extends AudioNode {
    /**
     * The **`buffer`** property of the ConvolverNode interface represents a mono, stereo, or 4-channel AudioBuffer containing the (possibly multichannel) impulse response used by the ConvolverNode to create the reverb effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ConvolverNode/buffer)
     */
    buffer: AudioBuffer | null;
    /**
     * The **`normalize`** property of the ConvolverNode interface is a boolean that controls whether the impulse response from the buffer will be scaled by an equal-power normalization when the buffer attribute is set, or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ConvolverNode/normalize)
     */
    normalize: boolean;
}

declare var ConvolverNode: {
    prototype: ConvolverNode;
    new(context: BaseAudioContext, options?: ConvolverOptions): ConvolverNode;
};

/**
 * The **`CookieChangeEvent`** interface of the Cookie Store API is the event type of the change event fired at a CookieStore when any cookies are created or deleted.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieChangeEvent)
 */
interface CookieChangeEvent extends Event {
    /**
     * The **`changed`** read-only property of the CookieChangeEvent interface returns an array of the cookies that have been changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieChangeEvent/changed)
     */
    readonly changed: ReadonlyArray<CookieListItem>;
    /**
     * The **`deleted`** read-only property of the CookieChangeEvent interface returns an array of the cookies that have been deleted by the given CookieChangeEvent instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieChangeEvent/deleted)
     */
    readonly deleted: ReadonlyArray<CookieListItem>;
}

declare var CookieChangeEvent: {
    prototype: CookieChangeEvent;
    new(type: string, eventInitDict?: CookieChangeEventInit): CookieChangeEvent;
};

interface CookieStoreEventMap {
    "change": CookieChangeEvent;
}

/**
 * The **`CookieStore`** interface of the Cookie Store API provides methods for getting and setting cookies asynchronously from either a page or a service worker.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore)
 */
interface CookieStore extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore/change_event) */
    onchange: ((this: CookieStore, ev: CookieChangeEvent) => any) | null;
    /**
     * The **`delete()`** method of the CookieStore interface deletes a cookie that matches the given name or options object. The method expires the cookie by changing its date to one in the past.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore/delete)
     */
    delete(name: string): Promise<void>;
    delete(options: CookieStoreDeleteOptions): Promise<void>;
    /**
     * The **`get()`** method of the CookieStore interface returns a Promise that resolves to a single cookie matching the given name or options object. The method will return the first cookie that matches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore/get)
     */
    get(name: string): Promise<CookieListItem | null>;
    get(options?: CookieStoreGetOptions): Promise<CookieListItem | null>;
    /**
     * The **`getAll()`** method of the CookieStore interface returns a Promise that resolves as an array of cookies that match the name or options passed to it. Passing no parameters will return all cookies for the current context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore/getAll)
     */
    getAll(name: string): Promise<CookieList>;
    getAll(options?: CookieStoreGetOptions): Promise<CookieList>;
    /**
     * The **`set()`** method of the CookieStore interface sets a cookie with the given name and value or options object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStore/set)
     */
    set(name: string, value: string): Promise<void>;
    set(options: CookieInit): Promise<void>;
    addEventListener<K extends keyof CookieStoreEventMap>(type: K, listener: (this: CookieStore, ev: CookieStoreEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof CookieStoreEventMap>(type: K, listener: (this: CookieStore, ev: CookieStoreEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var CookieStore: {
    prototype: CookieStore;
    new(): CookieStore;
};

/**
 * The **`CookieStoreManager`** interface of the Cookie Store API allows service workers to subscribe to cookie change events. Call subscribe() on a particular service worker registration to receive change events.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStoreManager)
 */
interface CookieStoreManager {
    /**
     * The **`getSubscriptions()`** method of the CookieStoreManager interface returns a list of all the cookie change subscriptions for this ServiceWorkerRegistration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStoreManager/getSubscriptions)
     */
    getSubscriptions(): Promise<CookieStoreGetOptions[]>;
    /**
     * The **`subscribe()`** method of the CookieStoreManager interface subscribes a ServiceWorkerRegistration to cookie change events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStoreManager/subscribe)
     */
    subscribe(subscriptions: CookieStoreGetOptions[]): Promise<void>;
    /**
     * The **`unsubscribe()`** method of the CookieStoreManager interface stops the ServiceWorkerRegistration from receiving previously subscribed events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CookieStoreManager/unsubscribe)
     */
    unsubscribe(subscriptions: CookieStoreGetOptions[]): Promise<void>;
}

declare var CookieStoreManager: {
    prototype: CookieStoreManager;
    new(): CookieStoreManager;
};

/**
 * The **`CountQueuingStrategy`** interface of the Streams API provides a built-in chunk counting queuing strategy that can be used when constructing streams.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CountQueuingStrategy)
 */
interface CountQueuingStrategy extends QueuingStrategy {
    /**
     * The read-only **`CountQueuingStrategy.highWaterMark`** property returns the total number of chunks that can be contained in the internal queue before backpressure is applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CountQueuingStrategy/highWaterMark)
     */
    readonly highWaterMark: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CountQueuingStrategy/size) */
    readonly size: QueuingStrategySize;
}

declare var CountQueuingStrategy: {
    prototype: CountQueuingStrategy;
    new(init: QueuingStrategyInit): CountQueuingStrategy;
};

/**
 * The **`Credential`** interface of the Credential Management API provides information about an entity (usually a user) normally as a prerequisite to a trust decision.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Credential)
 */
interface Credential {
    /**
     * The **`id`** read-only property of the Credential interface returns a string containing the credential's identifier. This might be a GUID, username, or email address, or some other value, depending on the type of credential.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Credential/id)
     */
    readonly id: string;
    /**
     * The **`type`** read-only property of the Credential interface returns a string containing the credential's type. Valid values are password, federated, public-key, identity and otp.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Credential/type)
     */
    readonly type: string;
}

declare var Credential: {
    prototype: Credential;
    new(): Credential;
};

/**
 * The **`CredentialsContainer`** interface of the Credential Management API exposes methods to request credentials and notify the user agent when events such as successful sign in or sign out happen. This interface is accessible from Navigator.credentials.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CredentialsContainer)
 */
interface CredentialsContainer {
    /**
     * The **`create()`** method of the CredentialsContainer interface creates a new credential, which can then be stored and later retrieved using the navigator.credentials.get() method. The retrieved credential can then be used by a website to authenticate a user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/create)
     */
    create(options?: CredentialCreationOptions): Promise<Credential | null>;
    /**
     * The **`get()`** method of the CredentialsContainer interface returns a Promise that fulfills with a single credential, which can then be used to authenticate a user to a website.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/get)
     */
    get(options?: CredentialRequestOptions): Promise<Credential | null>;
    /**
     * The **`preventSilentAccess()`** method of the CredentialsContainer interface sets a flag that specifies whether automatic log in is allowed for future visits to the current origin, then returns a Promise that resolves to undefined. For example, you might call this, after a user signs out of a website to ensure that they aren't automatically signed in on the next site visit. Mediation varies by origin, and is an added check point of browser stored credentials, informing a user of an account login status. This method is typically called after a user signs out of a website, ensuring this user's login information is not automatically passed on the next site visit.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/preventSilentAccess)
     */
    preventSilentAccess(): Promise<void>;
    /**
     * The **`store()`** method of the CredentialsContainer stores a set of credentials for the user inside a Credential instance, returning this in a Promise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/store)
     */
    store(credential: Credential): Promise<void>;
}

declare var CredentialsContainer: {
    prototype: CredentialsContainer;
    new(): CredentialsContainer;
};

/**
 * The **`Crypto`** interface represents basic cryptography features available in the current context. It allows access to a cryptographically strong random number generator and to cryptographic primitives.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Crypto)
 */
interface Crypto {
    /**
     * The **`Crypto.subtle`** read-only property returns a SubtleCrypto which can then be used to perform low-level cryptographic operations.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Crypto/subtle)
     */
    readonly subtle: SubtleCrypto;
    /**
     * The **`Crypto.getRandomValues()`** method lets you get cryptographically strong random values. The array given as the parameter is filled with random numbers (random in its cryptographic meaning).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Crypto/getRandomValues)
     */
    getRandomValues<T extends Exclude<BufferSource, ArrayBuffer>>(array: T): T;
    /**
     * The **`randomUUID()`** method of the Crypto interface is used to generate a v4 UUID using a cryptographically secure random number generator.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Crypto/randomUUID)
     */
    randomUUID(): `${string}-${string}-${string}-${string}-${string}`;
}

declare var Crypto: {
    prototype: Crypto;
    new(): Crypto;
};

/**
 * The **`CryptoKey`** interface of the Web Crypto API represents a cryptographic key obtained from one of the SubtleCrypto methods generateKey(), deriveKey(), importKey(), or unwrapKey().
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CryptoKey)
 */
interface CryptoKey {
    /**
     * The read-only **`algorithm`** property of the CryptoKey interface returns an object describing the algorithm for which this key can be used, and any associated extra parameters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CryptoKey/algorithm)
     */
    readonly algorithm: KeyAlgorithm;
    /**
     * The read-only **`extractable`** property of the CryptoKey interface indicates whether or not the key may be extracted using SubtleCrypto.exportKey() or SubtleCrypto.wrapKey().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CryptoKey/extractable)
     */
    readonly extractable: boolean;
    /**
     * The read-only **`type`** property of the CryptoKey interface indicates which kind of key is represented by the object. It can have the following values:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CryptoKey/type)
     */
    readonly type: KeyType;
    /**
     * The read-only **`usages`** property of the CryptoKey interface indicates what can be done with the key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CryptoKey/usages)
     */
    readonly usages: KeyUsage[];
}

declare var CryptoKey: {
    prototype: CryptoKey;
    new(): CryptoKey;
};

/**
 * The **`CustomElementRegistry`** interface provides methods for registering custom elements and querying registered elements. To get an instance of it, use the window.customElements property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry)
 */
interface CustomElementRegistry {
    /**
     * The **`define()`** method of the CustomElementRegistry interface adds a definition for a custom element to the custom element registry, mapping its name to the constructor which will be used to create it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry/define)
     */
    define(name: string, constructor: CustomElementConstructor, options?: ElementDefinitionOptions): void;
    /**
     * The **`get()`** method of the CustomElementRegistry interface returns the constructor for a previously-defined custom element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry/get)
     */
    get(name: string): CustomElementConstructor | undefined;
    /**
     * The **`getName()`** method of the CustomElementRegistry interface returns the name for a previously-defined custom element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry/getName)
     */
    getName(constructor: CustomElementConstructor): string | null;
    initialize(root: Node): void;
    /**
     * The **`upgrade()`** method of the CustomElementRegistry interface upgrades all shadow-containing custom elements in a Node subtree, even before they are connected to the main document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry/upgrade)
     */
    upgrade(root: Node): void;
    /**
     * The **`whenDefined()`** method of the CustomElementRegistry interface returns a Promise that resolves when the named element is defined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomElementRegistry/whenDefined)
     */
    whenDefined(name: string): Promise<CustomElementConstructor>;
}

declare var CustomElementRegistry: {
    prototype: CustomElementRegistry;
    new(): CustomElementRegistry;
};

/**
 * The **`CustomEvent`** interface can be used to attach custom data to an event generated by an application.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomEvent)
 */
interface CustomEvent<T = any> extends Event {
    /**
     * The read-only **`detail`** property of the CustomEvent interface returns any data passed when initializing the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomEvent/detail)
     */
    readonly detail: T;
    /**
     * The **`CustomEvent.initCustomEvent()`** method initializes a CustomEvent object. If the event has already been dispatched, this method does nothing.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomEvent/initCustomEvent)
     */
    initCustomEvent(type: string, bubbles?: boolean, cancelable?: boolean, detail?: T): void;
}

declare var CustomEvent: {
    prototype: CustomEvent;
    new<T>(type: string, eventInitDict?: CustomEventInit<T>): CustomEvent<T>;
};

/**
 * The **`CustomStateSet`** interface of the Document Object Model stores a list of states for an autonomous custom element, and allows states to be added and removed from the set.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CustomStateSet)
 */
interface CustomStateSet {
    forEach(callbackfn: (value: string, key: string, parent: CustomStateSet) => void, thisArg?: any): void;
}

declare var CustomStateSet: {
    prototype: CustomStateSet;
    new(): CustomStateSet;
};

/**
 * The **`DOMException`** interface represents an abnormal event (called an exception) that occurs as a result of calling a method or accessing a property of a web API. This is how error conditions are described in web APIs.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMException)
 */
interface DOMException extends Error {
    /**
     * The **`code`** read-only property of the DOMException interface returns one of the legacy error code constants, or 0 if none match.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMException/code)
     */
    readonly code: number;
    /**
     * The **`message`** read-only property of the DOMException interface returns a string representing a message or description associated with the given error name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMException/message)
     */
    readonly message: string;
    /**
     * The **`name`** read-only property of the DOMException interface returns a string that contains one of the strings associated with an error name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMException/name)
     */
    readonly name: string;
    readonly INDEX_SIZE_ERR: 1;
    readonly DOMSTRING_SIZE_ERR: 2;
    readonly HIERARCHY_REQUEST_ERR: 3;
    readonly WRONG_DOCUMENT_ERR: 4;
    readonly INVALID_CHARACTER_ERR: 5;
    readonly NO_DATA_ALLOWED_ERR: 6;
    readonly NO_MODIFICATION_ALLOWED_ERR: 7;
    readonly NOT_FOUND_ERR: 8;
    readonly NOT_SUPPORTED_ERR: 9;
    readonly INUSE_ATTRIBUTE_ERR: 10;
    readonly INVALID_STATE_ERR: 11;
    readonly SYNTAX_ERR: 12;
    readonly INVALID_MODIFICATION_ERR: 13;
    readonly NAMESPACE_ERR: 14;
    readonly INVALID_ACCESS_ERR: 15;
    readonly VALIDATION_ERR: 16;
    readonly TYPE_MISMATCH_ERR: 17;
    readonly SECURITY_ERR: 18;
    readonly NETWORK_ERR: 19;
    readonly ABORT_ERR: 20;
    readonly URL_MISMATCH_ERR: 21;
    readonly QUOTA_EXCEEDED_ERR: 22;
    readonly TIMEOUT_ERR: 23;
    readonly INVALID_NODE_TYPE_ERR: 24;
    readonly DATA_CLONE_ERR: 25;
}

declare var DOMException: {
    prototype: DOMException;
    new(message?: string, name?: string): DOMException;
    readonly INDEX_SIZE_ERR: 1;
    readonly DOMSTRING_SIZE_ERR: 2;
    readonly HIERARCHY_REQUEST_ERR: 3;
    readonly WRONG_DOCUMENT_ERR: 4;
    readonly INVALID_CHARACTER_ERR: 5;
    readonly NO_DATA_ALLOWED_ERR: 6;
    readonly NO_MODIFICATION_ALLOWED_ERR: 7;
    readonly NOT_FOUND_ERR: 8;
    readonly NOT_SUPPORTED_ERR: 9;
    readonly INUSE_ATTRIBUTE_ERR: 10;
    readonly INVALID_STATE_ERR: 11;
    readonly SYNTAX_ERR: 12;
    readonly INVALID_MODIFICATION_ERR: 13;
    readonly NAMESPACE_ERR: 14;
    readonly INVALID_ACCESS_ERR: 15;
    readonly VALIDATION_ERR: 16;
    readonly TYPE_MISMATCH_ERR: 17;
    readonly SECURITY_ERR: 18;
    readonly NETWORK_ERR: 19;
    readonly ABORT_ERR: 20;
    readonly URL_MISMATCH_ERR: 21;
    readonly QUOTA_EXCEEDED_ERR: 22;
    readonly TIMEOUT_ERR: 23;
    readonly INVALID_NODE_TYPE_ERR: 24;
    readonly DATA_CLONE_ERR: 25;
};

/**
 * The **`DOMImplementation`** interface represents an object providing methods which are not dependent on any particular document. Such an object is returned by the Document.implementation property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMImplementation)
 */
interface DOMImplementation {
    /**
     * The **`DOMImplementation.createDocument()`** method creates and returns an XMLDocument.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMImplementation/createDocument)
     */
    createDocument(namespace: string | null, qualifiedName: string | null, doctype?: DocumentType | null): XMLDocument;
    /**
     * The **`DOMImplementation.createDocumentType()`** method returns a DocumentType object which can either be used with DOMImplementation.createDocument upon document creation or can be put into the document via methods like Node.insertBefore() or Node.replaceChild().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMImplementation/createDocumentType)
     */
    createDocumentType(name: string, publicId: string, systemId: string): DocumentType;
    /**
     * The **`DOMImplementation.createHTMLDocument()`** method creates a new HTML Document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMImplementation/createHTMLDocument)
     */
    createHTMLDocument(title?: string): Document;
    /**
     * The **`DOMImplementation.hasFeature()`** method returns a boolean flag indicating if a given feature is supported. It is deprecated and modern browsers return true in all cases.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMImplementation/hasFeature)
     */
    hasFeature(...args: any[]): true;
}

declare var DOMImplementation: {
    prototype: DOMImplementation;
    new(): DOMImplementation;
};

/**
 * The **`DOMMatrix`** interface represents 4×4 matrices, suitable for 2D and 3D operations including rotation and translation. It is a mutable version of the DOMMatrixReadOnly interface. The interface is available inside web workers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix)
 */
interface DOMMatrix extends DOMMatrixReadOnly {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    a: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    b: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    c: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    d: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    e: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    f: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m11: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m12: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m13: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m14: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m21: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m22: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m23: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m24: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m31: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m32: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m33: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m34: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m41: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m42: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m43: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
    m44: number;
    /**
     * The **`invertSelf()`** method of the DOMMatrix interface inverts the original matrix. If the matrix cannot be inverted, the new matrix's components are all set to NaN and its is2D property is set to false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/invertSelf)
     */
    invertSelf(): DOMMatrix;
    /**
     * The **`multiplySelf()`** method of the DOMMatrix interface multiplies a matrix by the otherMatrix parameter, computing the dot product of the original matrix and the specified matrix: A⋅B. If no matrix is specified as the multiplier, the matrix is multiplied by a matrix in which every element is 0 except the bottom-right corner and the element immediately above and to its left: m33 and m34. These have the default value of 1.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/multiplySelf)
     */
    multiplySelf(other?: DOMMatrixInit): DOMMatrix;
    /**
     * The **`preMultiplySelf()`** method of the DOMMatrix interface modifies the matrix by pre-multiplying it with the specified DOMMatrix. This is equivalent to the dot product B⋅A, where matrix A is the source matrix and B is the matrix given as an input to the method. If no matrix is specified as the multiplier, the matrix is multiplied by a matrix in which every element is 0 except the bottom-right corner and the element immediately above and to its left: m33 and m34. These have the default value of 1.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/preMultiplySelf)
     */
    preMultiplySelf(other?: DOMMatrixInit): DOMMatrix;
    /**
     * The **`rotateAxisAngleSelf()`** method of the DOMMatrix interface is a transformation method that rotates the source matrix by the given vector and angle, returning the altered matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/rotateAxisAngleSelf)
     */
    rotateAxisAngleSelf(x?: number, y?: number, z?: number, angle?: number): DOMMatrix;
    /**
     * The **`rotateFromVectorSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix by rotating the matrix by the angle between the specified vector and (1, 0). The rotation angle is determined by the angle between the vector (1,0)T and (x,y)T in the clockwise direction, or (+/-)arctan(y/x). If x and y are both 0, the angle is specified as 0, and the matrix is not altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/rotateFromVectorSelf)
     */
    rotateFromVectorSelf(x?: number, y?: number): DOMMatrix;
    /**
     * The **`rotateSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix. It rotates the source matrix around each of its axes by the specified number of degrees and returns the rotated matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/rotateSelf)
     */
    rotateSelf(rotX?: number, rotY?: number, rotZ?: number): DOMMatrix;
    /**
     * The **`scale3dSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix by applying a specified scaling factor to all three axes, centered on the given origin, with a default origin of (0, 0, 0), returning the 3D-scaled matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/scale3dSelf)
     */
    scale3dSelf(scale?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix;
    /**
     * The **`scaleSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix by applying a specified scaling factor, centered on the given origin, with a default origin of (0, 0), returning the scaled matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/scaleSelf)
     */
    scaleSelf(scaleX?: number, scaleY?: number, scaleZ?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix;
    /**
     * The **`setMatrixValue()`** method of the DOMMatrix interface replaces the contents of the matrix with the matrix described by the specified transform or transforms, returning itself.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/setMatrixValue)
     */
    setMatrixValue(transformList: string): DOMMatrix;
    /**
     * The **`skewXSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix. It skews the source matrix by applying the specified skew transformation along the X-axis and returns the skewed matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/skewXSelf)
     */
    skewXSelf(sx?: number): DOMMatrix;
    /**
     * The **`skewYSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix. It skews the source matrix by applying the specified skew transformation along the Y-axis and returns the skewed matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/skewYSelf)
     */
    skewYSelf(sy?: number): DOMMatrix;
    /**
     * The **`translateSelf()`** method of the DOMMatrix interface is a mutable transformation method that modifies a matrix. It applies the specified vectors and returns the updated matrix. The default vector is [0, 0, 0].
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/translateSelf)
     */
    translateSelf(tx?: number, ty?: number, tz?: number): DOMMatrix;
}

declare var DOMMatrix: {
    prototype: DOMMatrix;
    new(init?: string | number[]): DOMMatrix;
    /**
     * The **`fromFloat32Array()`** static method of the DOMMatrix interface creates a new DOMMatrix object given an array of single-precision (32-bit) floating-point values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/fromFloat32Array_static)
     */
    fromFloat32Array(array32: Float32Array<ArrayBuffer>): DOMMatrix;
    /**
     * The **`fromFloat64Array()`** static method of the DOMMatrix interface creates a new DOMMatrix object given an array of double-precision (64-bit) floating-point values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/fromFloat64Array_static)
     */
    fromFloat64Array(array64: Float64Array<ArrayBuffer>): DOMMatrix;
    /**
     * The **`fromMatrix()`** static method of the DOMMatrix interface creates a new DOMMatrix object given an existing matrix or an object which provides the values for its properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix/fromMatrix_static)
     */
    fromMatrix(other?: DOMMatrixInit): DOMMatrix;
};

type SVGMatrix = DOMMatrix;
declare var SVGMatrix: typeof DOMMatrix;

type WebKitCSSMatrix = DOMMatrix;
declare var WebKitCSSMatrix: typeof DOMMatrix;

/**
 * The **`DOMMatrixReadOnly`** interface represents a read-only 4×4 matrix, suitable for 2D and 3D operations. The DOMMatrix interface — which is based upon DOMMatrixReadOnly—adds mutability, allowing you to alter the matrix after creating it.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly)
 */
interface DOMMatrixReadOnly {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly a: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly b: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly c: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly d: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly e: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly f: number;
    /**
     * The readonly **`is2D`** property of the DOMMatrixReadOnly interface is a Boolean flag that is true when the matrix is 2D. The value is true if the matrix was initialized as a 2D matrix and only 2D transformation operations were applied. Otherwise, the matrix is defined in 3D, and is2D is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/is2D)
     */
    readonly is2D: boolean;
    /**
     * The readonly **`isIdentity`** property of the DOMMatrixReadOnly interface is a Boolean whose value is true if the matrix is the identity matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/isIdentity)
     */
    readonly isIdentity: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m11: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m12: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m13: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m14: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m21: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m22: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m23: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m24: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m31: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m32: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m33: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m34: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m41: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m42: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m43: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
    readonly m44: number;
    /**
     * The **`flipX()`** method of the DOMMatrixReadOnly interface creates a new matrix being the result of the original matrix flipped about the x-axis. This is equivalent to multiplying the matrix by DOMMatrix(-1, 0, 0, 1, 0, 0). The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipX)
     */
    flipX(): DOMMatrix;
    /**
     * The **`flipY()`** method of the DOMMatrixReadOnly interface creates a new matrix being the result of the original matrix flipped about the y-axis. This is equivalent to multiplying the matrix by DOMMatrix(1, 0, 0, -1, 0, 0). The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipY)
     */
    flipY(): DOMMatrix;
    /**
     * The **`inverse()`** method of the DOMMatrixReadOnly interface creates a new matrix which is the inverse of the original matrix. If the matrix cannot be inverted, the new matrix's components are all set to NaN and its is2D property is set to false. The original matrix is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/inverse)
     */
    inverse(): DOMMatrix;
    /**
     * The **`multiply()`** method of the DOMMatrixReadOnly interface creates and returns a new matrix which is the dot product of the matrix and the otherMatrix parameter. If otherMatrix is omitted, the matrix is multiplied by a matrix in which every element is 0 except the bottom-right corner and the element immediately above and to its left: m33 and m34. These have the default value of 1. The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/multiply)
     */
    multiply(other?: DOMMatrixInit): DOMMatrix;
    /**
     * The **`rotate()`** method of the DOMMatrixReadOnly interface returns a new DOMMatrix created by rotating the source matrix around each of its axes by the specified number of degrees. The original matrix is not altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/rotate)
     */
    rotate(rotX?: number, rotY?: number, rotZ?: number): DOMMatrix;
    /**
     * The **`rotateAxisAngle()`** method of the DOMMatrixReadOnly interface returns a new DOMMatrix created by rotating the source matrix by the given vector and angle. The original matrix is not altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/rotateAxisAngle)
     */
    rotateAxisAngle(x?: number, y?: number, z?: number, angle?: number): DOMMatrix;
    /**
     * The **`rotateFromVector()`** method of the DOMMatrixReadOnly interface is returns a new DOMMatrix created by rotating the source matrix by the angle between the specified vector and (1, 0). The rotation angle is determined by the angle between the vector (1,0)T and (x,y)T in the clockwise direction, or (+/-)arctan(y/x). If x and y are both 0, the angle is specified as 0. The original matrix is not altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/rotateFromVector)
     */
    rotateFromVector(x?: number, y?: number): DOMMatrix;
    /**
     * The **`scale()`** method of the DOMMatrixReadOnly interface creates a new matrix being the result of the original matrix with a scale transform applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/scale)
     */
    scale(scaleX?: number, scaleY?: number, scaleZ?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix;
    /**
     * The **`scale3d()`** method of the DOMMatrixReadOnly interface creates a new matrix which is the result of a 3D scale transform being applied to the matrix. It returns a new DOMMatrix created by scaling the source 3d matrix by the given scale factor centered on the origin point specified by the origin parameters, with a default origin of (0, 0, 0). The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/scale3d)
     */
    scale3d(scale?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix;
    /** @deprecated */
    scaleNonUniform(scaleX?: number, scaleY?: number): DOMMatrix;
    /**
     * The **`skewX()`** method of the DOMMatrixReadOnly interface returns a new DOMMatrix created by applying the specified skew transformation to the source matrix along its x-axis. The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/skewX)
     */
    skewX(sx?: number): DOMMatrix;
    /**
     * The **`skewY()`** method of the DOMMatrixReadOnly interface returns a new DOMMatrix created by applying the specified skew transformation to the source matrix along its y-axis. The original matrix is not modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/skewY)
     */
    skewY(sy?: number): DOMMatrix;
    /**
     * The **`toFloat32Array()`** method of the DOMMatrixReadOnly interface returns a new Float32Array containing all 16 elements (m11, m12, m13, m14, m21, m22, m23, m24, m31, m32, m33, m34, m41, m42, m43, m44) which comprise the matrix. The elements are stored into the array as single-precision floating-point numbers in column-major (colexographical access, or "colex") order. (In other words, down the first column from top to bottom, then the second column, and so forth.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toFloat32Array)
     */
    toFloat32Array(): Float32Array<ArrayBuffer>;
    /**
     * The **`toFloat64Array()`** method of the DOMMatrixReadOnly interface returns a new Float64Array containing all 16 elements (m11, m12, m13, m14, m21, m22, m23, m24, m31, m32, m33, m34, m41, m42, m43, m44) which comprise the matrix. The elements are stored into the array as double-precision floating-point numbers in column-major (colexographical access, or "colex") order. (In other words, down the first column from top to bottom, then the second column, and so forth.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toFloat64Array)
     */
    toFloat64Array(): Float64Array<ArrayBuffer>;
    /**
     * The **`toJSON()`** method of the DOMMatrixReadOnly interface creates and returns a JSON object. The JSON object includes the 2D matrix elements a through f, the 16 elements of the 4X4 3D matrix, m[1-4][1-4], the boolean is2D property, and the boolean isIdentity property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
     */
    toJSON(): any;
    /**
     * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/transformPoint)
     */
    transformPoint(point?: DOMPointInit): DOMPoint;
    /**
     * The **`translate()`** method of the DOMMatrixReadOnly interface creates a new matrix being the result of the original matrix with a translation applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/translate)
     */
    translate(tx?: number, ty?: number, tz?: number): DOMMatrix;
    toString(): string;
}

declare var DOMMatrixReadOnly: {
    prototype: DOMMatrixReadOnly;
    new(init?: string | number[]): DOMMatrixReadOnly;
    /**
     * The **`fromFloat32Array()`** static method of the DOMMatrixReadOnly interface creates a new DOMMatrixReadOnly object given an array of single-precision (32-bit) floating-point values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/fromFloat32Array_static)
     */
    fromFloat32Array(array32: Float32Array<ArrayBuffer>): DOMMatrixReadOnly;
    /**
     * The **`fromFloat64Array()`** static method of the DOMMatrixReadOnly interface creates a new DOMMatrixReadOnly object given an array of double-precision (64-bit) floating-point values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/fromFloat64Array_static)
     */
    fromFloat64Array(array64: Float64Array<ArrayBuffer>): DOMMatrixReadOnly;
    /**
     * The **`fromMatrix()`** static method of the DOMMatrixReadOnly interface creates a new DOMMatrixReadOnly object given an existing matrix or an object which provides the values for its properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/fromMatrix_static)
     */
    fromMatrix(other?: DOMMatrixInit): DOMMatrixReadOnly;
};

/**
 * The **`DOMParser`** interface provides the ability to parse XML or HTML source code from a string into a DOM Document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMParser)
 */
interface DOMParser {
    /**
     * The **`parseFromString()`** method of the DOMParser interface parses an input containing either HTML or XML, returning a Document with the type given in the contentType property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMParser/parseFromString)
     */
    parseFromString(string: string, type: DOMParserSupportedType): Document;
}

declare var DOMParser: {
    prototype: DOMParser;
    new(): DOMParser;
};

/**
 * A **`DOMPoint`** object represents a 2D or 3D point in a coordinate system; it includes values for the coordinates in up to three dimensions, as well as an optional perspective value. DOMPoint is based on DOMPointReadOnly but allows its properties' values to be changed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint)
 */
interface DOMPoint extends DOMPointReadOnly {
    /**
     * The DOMPoint interface's **`w`** property holds the point's perspective value, w, for a point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint/w)
     */
    w: number;
    /**
     * The DOMPoint interface's **`x`** property holds the horizontal coordinate, x, for a point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint/x)
     */
    x: number;
    /**
     * The DOMPoint interface's **`y`** property holds the vertical coordinate, y, for a point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint/y)
     */
    y: number;
    /**
     * The DOMPoint interface's **`z`** property specifies the depth coordinate of a point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint/z)
     */
    z: number;
}

declare var DOMPoint: {
    prototype: DOMPoint;
    new(x?: number, y?: number, z?: number, w?: number): DOMPoint;
    /**
     * The **`fromPoint()`** static method of the DOMPoint interface creates and returns a new mutable DOMPoint object given a source point.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPoint/fromPoint_static)
     */
    fromPoint(other?: DOMPointInit): DOMPoint;
};

type SVGPoint = DOMPoint;
declare var SVGPoint: typeof DOMPoint;

/**
 * The **`DOMPointReadOnly`** interface specifies the coordinate and perspective fields used by DOMPoint to define a 2D or 3D point in a coordinate system.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly)
 */
interface DOMPointReadOnly {
    /**
     * The DOMPointReadOnly interface's **`w`** property holds the point's perspective value, w, for a read-only point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/w)
     */
    readonly w: number;
    /**
     * The DOMPointReadOnly interface's **`x`** property holds the horizontal coordinate, x, for a read-only point in space. This property cannot be changed by JavaScript code in this read-only version of the DOMPoint object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/x)
     */
    readonly x: number;
    /**
     * The DOMPointReadOnl**`y`** interface's y property holds the vertical coordinate, y, for a read-only point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/y)
     */
    readonly y: number;
    /**
     * The DOMPointReadOnly interface's **`z`** property holds the depth coordinate, z, for a read-only point in space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/z)
     */
    readonly z: number;
    /**
     * The **`matrixTransform()`** method of the DOMPointReadOnly interface applies a matrix transform specified as an object to the DOMPointReadOnly object, creating and returning a new DOMPointReadOnly object. Neither the matrix nor the point are altered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/matrixTransform)
     */
    matrixTransform(matrix?: DOMMatrixInit): DOMPoint;
    /**
     * The DOMPointReadOnly method **`toJSON()`** returns an object giving the JSON form of the point object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
     */
    toJSON(): any;
}

declare var DOMPointReadOnly: {
    prototype: DOMPointReadOnly;
    new(x?: number, y?: number, z?: number, w?: number): DOMPointReadOnly;
    /**
     * The static DOMPointReadOnly method **`fromPoint()`** creates and returns a new DOMPointReadOnly object given a source point.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/fromPoint_static)
     */
    fromPoint(other?: DOMPointInit): DOMPointReadOnly;
};

/**
 * A **`DOMQuad`** is a collection of four DOMPoints defining the corners of an arbitrary quadrilateral. Returning DOMQuads lets getBoxQuads() return accurate information even when arbitrary 2D or 3D transforms are present. It has a handy bounds attribute returning a DOMRectReadOnly for those cases where you just want an axis-aligned bounding rectangle.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad)
 */
interface DOMQuad {
    /**
     * The DOMQuad interface's **`p1`** property holds the DOMPoint object that represents one of the four corners of the DOMQuad. When created from DOMQuad.fromRect(), it is the point (x, y).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/p1)
     */
    readonly p1: DOMPoint;
    /**
     * The DOMQuad interface's **`p2`** property holds the DOMPoint object that represents one of the four corners of the DOMQuad. When created from DOMQuad.fromRect(), it is the point (x + width, y).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/p2)
     */
    readonly p2: DOMPoint;
    /**
     * The DOMQuad interface's **`p3`** property holds the DOMPoint object that represents one of the four corners of the DOMQuad. When created from DOMQuad.fromRect(), it is the point (x + width, y + height).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/p3)
     */
    readonly p3: DOMPoint;
    /**
     * The DOMQuad interface's **`p4`** property holds the DOMPoint object that represents one of the four corners of the DOMQuad. When created from DOMQuad.fromRect(), it is the point (x, y + height).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/p4)
     */
    readonly p4: DOMPoint;
    /**
     * The DOMQuad method **`getBounds()`** returns a DOMRect object representing the smallest rectangle that fully contains the DOMQuad object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/getBounds)
     */
    getBounds(): DOMRect;
    /**
     * The DOMQuad method **`toJSON()`** returns a JSON representation of the DOMQuad object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
     */
    toJSON(): any;
}

declare var DOMQuad: {
    prototype: DOMQuad;
    new(p1?: DOMPointInit, p2?: DOMPointInit, p3?: DOMPointInit, p4?: DOMPointInit): DOMQuad;
    /**
     * The **`fromQuad()`** static method of the DOMQuad interface returns a new DOMQuad object based on the provided set of coordinates in the shape of another DOMQuad object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/fromQuad_static)
     */
    fromQuad(other?: DOMQuadInit): DOMQuad;
    /**
     * The **`fromRect()`** static method of the DOMQuad interface returns a new DOMQuad object based on the provided set of coordinates in the shape of a DOMRect object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/fromRect_static)
     */
    fromRect(other?: DOMRectInit): DOMQuad;
};

/**
 * A **`DOMRect`** describes the size and position of a rectangle.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect)
 */
interface DOMRect extends DOMRectReadOnly {
    /**
     * The **`height`** property of the DOMRect interface represents the height of the rectangle. The value can be negative.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect/height)
     */
    height: number;
    /**
     * The **`width`** property of the DOMRect interface represents the width of the rectangle. The value can be negative.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect/width)
     */
    width: number;
    /**
     * The **`x`** property of the DOMRect interface represents the x-coordinate of the rectangle, which is the horizontal distance between the viewport's left edge and the rectangle's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect/x)
     */
    x: number;
    /**
     * The **`y`** property of the DOMRect interface represents the y-coordinate of the rectangle, which is the vertical distance between the viewport's top edge and the rectangle's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect/y)
     */
    y: number;
}

declare var DOMRect: {
    prototype: DOMRect;
    new(x?: number, y?: number, width?: number, height?: number): DOMRect;
    /**
     * The **`fromRect()`** static method of the DOMRect object creates a new DOMRect object with a given location and dimensions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRect/fromRect_static)
     */
    fromRect(other?: DOMRectInit): DOMRect;
};

type SVGRect = DOMRect;
declare var SVGRect: typeof DOMRect;

/**
 * The **`DOMRectList`** interface represents a collection of DOMRect objects, typically used to hold the rectangles associated with a particular element, like bounding boxes returned by methods such as getClientRects(). It provides access to each rectangle in the list via its index, along with a length property that indicates the total number of rectangles in the list.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectList)
 */
interface DOMRectList {
    /**
     * The read-only **`length`** property of the DOMRectList interface returns the number of DOMRect objects in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectList/length)
     */
    readonly length: number;
    /**
     * The DOMRectList method **`item()`** returns the DOMRect at the specified index within the list, or null if the index is out of range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectList/item)
     */
    item(index: number): DOMRect | null;
    [index: number]: DOMRect;
}

declare var DOMRectList: {
    prototype: DOMRectList;
    new(): DOMRectList;
};

/**
 * The **`DOMRectReadOnly`** interface specifies the standard properties (also used by DOMRect) to define a rectangle whose properties are immutable.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly)
 */
interface DOMRectReadOnly {
    /**
     * The **`bottom`** read-only property of the DOMRectReadOnly interface returns the bottom coordinate value of the DOMRect. (Has the same value as y + height, or y if height is negative.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/bottom)
     */
    readonly bottom: number;
    /**
     * The **`height`** read-only property of the DOMRectReadOnly interface represents the height of the DOMRect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/height)
     */
    readonly height: number;
    /**
     * The **`left`** read-only property of the DOMRectReadOnly interface returns the left coordinate value of the DOMRect. (Has the same value as x, or x + width if width is negative.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/left)
     */
    readonly left: number;
    /**
     * The **`right`** read-only property of the DOMRectReadOnly interface returns the right coordinate value of the DOMRect. (Has the same value as x + width, or x if width is negative.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/right)
     */
    readonly right: number;
    /**
     * The **`top`** read-only property of the DOMRectReadOnly interface returns the top coordinate value of the DOMRect. (Has the same value as y, or y + height if height is negative.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/top)
     */
    readonly top: number;
    /**
     * The **`width`** read-only property of the DOMRectReadOnly interface represents the width of the DOMRect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/width)
     */
    readonly width: number;
    /**
     * The **`x`** read-only property of the DOMRectReadOnly interface represents the x coordinate of the DOMRect's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/x)
     */
    readonly x: number;
    /**
     * The **`y`** read-only property of the DOMRectReadOnly interface represents the y coordinate of the DOMRect's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/y)
     */
    readonly y: number;
    /**
     * The DOMRectReadOnly method **`toJSON()`** returns a JSON representation of the DOMRectReadOnly object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
     */
    toJSON(): any;
}

declare var DOMRectReadOnly: {
    prototype: DOMRectReadOnly;
    new(x?: number, y?: number, width?: number, height?: number): DOMRectReadOnly;
    /**
     * The **`fromRect()`** static method of the DOMRectReadOnly object creates a new DOMRectReadOnly object with a given location and dimensions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/fromRect_static)
     */
    fromRect(other?: DOMRectInit): DOMRectReadOnly;
};

/**
 * The **`DOMStringList`** interface is a legacy type returned by some APIs and represents a non-modifiable list of strings (DOMString).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMStringList)
 */
interface DOMStringList {
    /**
     * The read-only **`length`** property indicates the number of strings in the DOMStringList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMStringList/length)
     */
    readonly length: number;
    /**
     * The **`contains()`** method returns a boolean indicating whether the given string is in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMStringList/contains)
     */
    contains(string: string): boolean;
    /**
     * The **`item()`** method returns a string from a DOMStringList by index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMStringList/item)
     */
    item(index: number): string | null;
    [index: number]: string;
}

declare var DOMStringList: {
    prototype: DOMStringList;
    new(): DOMStringList;
};

/**
 * The **`DOMStringMap`** interface is used for the HTMLElement.dataset attribute, to represent data for custom attributes added to elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMStringMap)
 */
interface DOMStringMap {
    [name: string]: string | undefined;
}

declare var DOMStringMap: {
    prototype: DOMStringMap;
    new(): DOMStringMap;
};

/**
 * The **`DOMTokenList`** interface represents a set of space-separated tokens. Such a set is returned by Element.classList or HTMLLinkElement.relList, and many others.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList)
 */
interface DOMTokenList {
    /**
     * The read-only **`length`** property of the DOMTokenList interface is an integer representing the number of objects stored in the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/length)
     */
    readonly length: number;
    /**
     * The **`value`** property of the DOMTokenList interface is a stringifier that returns the value of the list serialized as a string, or clears and sets the list to the given value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/value)
     */
    value: string;
    toString(): string;
    /**
     * The **`add()`** method of the DOMTokenList interface adds the given tokens to the list, omitting any that are already present.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/add)
     */
    add(...tokens: string[]): void;
    /**
     * The **`contains()`** method of the DOMTokenList interface returns a boolean value — true if the underlying list contains the given token, otherwise false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/contains)
     */
    contains(token: string): boolean;
    /**
     * The **`item()`** method of the DOMTokenList interface returns an item in the list, determined by its position in the list, its index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/item)
     */
    item(index: number): string | null;
    /**
     * The **`remove()`** method of the DOMTokenList interface removes the specified tokens from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/remove)
     */
    remove(...tokens: string[]): void;
    /**
     * The **`replace()`** method of the DOMTokenList interface replaces an existing token with a new token. If the first token doesn't exist, replace() returns false immediately, without adding the new token to the token list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/replace)
     */
    replace(token: string, newToken: string): boolean;
    /**
     * The **`supports()`** method of the DOMTokenList interface returns true if a given token is in the associated attribute's supported tokens. This method is intended to support feature detection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/supports)
     */
    supports(token: string): boolean;
    /**
     * The **`toggle()`** method of the DOMTokenList interface removes an existing token from the list and returns false. If the token doesn't exist it's added and the function returns true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMTokenList/toggle)
     */
    toggle(token: string, force?: boolean): boolean;
    forEach(callbackfn: (value: string, key: number, parent: DOMTokenList) => void, thisArg?: any): void;
    [index: number]: string;
}

declare var DOMTokenList: {
    prototype: DOMTokenList;
    new(): DOMTokenList;
};

/**
 * The **`DataTransfer`** object is used to hold any data transferred between contexts, such as a drag and drop operation, or clipboard read/write. It may hold one or more data items, each of one or more data types.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer)
 */
interface DataTransfer {
    /**
     * The **`DataTransfer.dropEffect`** property controls the feedback (typically visual) the user is given during a drag and drop operation. It will affect which cursor is displayed while dragging. For example, when the user hovers over a target drop element, the browser's cursor may indicate which type of operation will occur.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/dropEffect)
     */
    dropEffect: "none" | "copy" | "link" | "move";
    /**
     * The **`DataTransfer.effectAllowed`** property specifies the effect that is allowed for a drag operation. The copy operation is used to indicate that the data being dragged will be copied from its present location to the drop location. The move operation is used to indicate that the data being dragged will be moved, and the link operation is used to indicate that some form of relationship or connection will be created between the source and drop locations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/effectAllowed)
     */
    effectAllowed: "none" | "copy" | "copyLink" | "copyMove" | "link" | "linkMove" | "move" | "all" | "uninitialized";
    /**
     * The **`files`** read-only property of DataTransfer objects is a list of the files in the drag operation. If the operation includes no files, the list is empty.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/files)
     */
    readonly files: FileList;
    /**
     * The read-only **`items`** property of the DataTransfer interface is a list of the data transfer items in a drag operation. The list includes one item for each item in the operation and if the operation had no items, the list is empty.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/items)
     */
    readonly items: DataTransferItemList;
    /**
     * The **`DataTransfer.types`** read-only property returns the available types that exist in the items.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/types)
     */
    readonly types: ReadonlyArray<string>;
    /**
     * The **`DataTransfer.clearData()`** method removes the drag operation's drag data for the given type. If data for the given type does not exist, this method does nothing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/clearData)
     */
    clearData(format?: string): void;
    /**
     * The **`DataTransfer.getData()`** method retrieves drag data (as a string) for the specified type. If the drag operation does not include data, this method returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/getData)
     */
    getData(format: string): string;
    /**
     * The **`DataTransfer.setData()`** method sets the drag operation's drag data to the specified data and type. If data for the given type does not exist, it is added at the end of the drag data store, such that the last item in the types list will be the new type. If data for the given type already exists, the existing data is replaced in the same position. That is, the order of the types list is not changed when replacing data of the same type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/setData)
     */
    setData(format: string, data: string): void;
    /**
     * When a drag occurs, a translucent image is generated from the drag target (the element the dragstart event is fired at), and follows the mouse pointer during the drag. This image is created automatically, so you do not need to create it yourself. However, if a custom image is desired, the **`DataTransfer.setDragImage()`** method can be used to set the custom image to be used. The image will typically be an <img> element but it can also be a <canvas> or any other visible element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransfer/setDragImage)
     */
    setDragImage(image: Element, x: number, y: number): void;
}

declare var DataTransfer: {
    prototype: DataTransfer;
    new(): DataTransfer;
};

/**
 * The **`DataTransferItem`** object represents one drag data item. During a drag operation, each DragEvent has a dataTransfer property which contains a list of drag data items. Each item in the list is a DataTransferItem object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem)
 */
interface DataTransferItem {
    /**
     * The read-only **`DataTransferItem.kind`** property returns the kind–a string or a file–of the DataTransferItem object representing the drag data item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem/kind)
     */
    readonly kind: string;
    /**
     * The read-only **`DataTransferItem.type`** property returns the type (format) of the DataTransferItem object representing the drag data item. The type is a Unicode string generally given by a MIME type, although a MIME type is not required.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem/type)
     */
    readonly type: string;
    /**
     * If the item is a file, the **`DataTransferItem.getAsFile()`** method returns the drag data item's File object. If the item is not a file, this method returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem/getAsFile)
     */
    getAsFile(): File | null;
    /**
     * The **`DataTransferItem.getAsString()`** method invokes the given callback with the drag data item's string data as the argument if the item's kind is a Plain unicode string (i.e., kind is string).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem/getAsString)
     */
    getAsString(callback: FunctionStringCallback | null): void;
    /**
     * If the item described by the DataTransferItem is a file, **`webkitGetAsEntry()`** returns a FileSystemFileEntry or FileSystemDirectoryEntry representing it. If the item isn't a file, null is returned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItem/webkitGetAsEntry)
     */
    webkitGetAsEntry(): FileSystemEntry | null;
}

declare var DataTransferItem: {
    prototype: DataTransferItem;
    new(): DataTransferItem;
};

/**
 * The **`DataTransferItemList`** object is a list of DataTransferItem objects representing items being dragged. During a drag operation, each DragEvent has a dataTransfer property and that property is a DataTransferItemList.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItemList)
 */
interface DataTransferItemList {
    /**
     * The read-only **`length`** property of the DataTransferItemList interface returns the number of items currently in the drag item list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItemList/length)
     */
    readonly length: number;
    /**
     * The **`DataTransferItemList.add()`** method creates a new DataTransferItem using the specified data and adds it to the drag data list. The item may be a File or a string of a given type. If the item is successfully added to the list, the newly-created DataTransferItem object is returned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItemList/add)
     */
    add(data: string, type: string): DataTransferItem | null;
    add(data: File): DataTransferItem | null;
    /**
     * The DataTransferItemList method **`clear()`** removes all DataTransferItem objects from the drag data items list, leaving the list empty.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItemList/clear)
     */
    clear(): void;
    /**
     * The **`DataTransferItemList.remove()`** method removes the DataTransferItem at the specified index from the list. If the index is less than zero or greater than one less than the length of the list, the list will not be changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DataTransferItemList/remove)
     */
    remove(index: number): void;
    [index: number]: DataTransferItem;
}

declare var DataTransferItemList: {
    prototype: DataTransferItemList;
    new(): DataTransferItemList;
};

/**
 * The **`DecompressionStream`** interface of the Compression Streams API decompresses a stream of data. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DecompressionStream)
 */
interface DecompressionStream extends GenericTransformStream {
    /** The **`readable`** read-only property of the DecompressionStream interface returns a ReadableStream that emits decompressed data as Uint8Array chunks. */
    readonly readable: ReadableStream<Uint8Array<ArrayBuffer>>;
    /** The **`writable`** read-only property of the DecompressionStream interface returns a WritableStream that accepts compressed data to be decompressed, in the form of ArrayBuffer, TypedArray, or DataView chunks. */
    readonly writable: WritableStream<BufferSource>;
}

declare var DecompressionStream: {
    prototype: DecompressionStream;
    new(format: CompressionFormat): DecompressionStream;
};

/**
 * The **`DelayNode`** interface represents a delay-line; an AudioNode audio-processing module that causes a delay between the arrival of an input data and its propagation to the output.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DelayNode)
 */
interface DelayNode extends AudioNode {
    /**
     * The **`delayTime`** property of the DelayNode interface is an a-rate AudioParam representing the amount of delay to apply.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DelayNode/delayTime)
     */
    readonly delayTime: AudioParam;
}

declare var DelayNode: {
    prototype: DelayNode;
    new(context: BaseAudioContext, options?: DelayOptions): DelayNode;
};

/**
 * The **`DeviceMotionEvent`** interface of the Device Orientation Events provides web developers with information about the speed of changes for the device's position and orientation.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEvent)
 */
interface DeviceMotionEvent extends Event {
    /**
     * The **`acceleration`** read-only property of the DeviceMotionEvent interface returns the acceleration recorded by the device, in meters per second squared (m/s²). This value does not include the effect of the gravitational force, in contrast to DeviceMotionEvent.accelerationIncludingGravity.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEvent/acceleration)
     */
    readonly acceleration: DeviceMotionEventAcceleration | null;
    /**
     * The **`accelerationIncludingGravity`** read-only property of the DeviceMotionEvent interface returns the amount of acceleration recorded by the device, in meters per second squared (m/s²). Unlike DeviceMotionEvent.acceleration which compensates for the influence of gravity, its value is the sum of the acceleration of the device as induced by the user and an acceleration equal and opposite to that caused by gravity. In other words, it measures the g-force. In practice, this value represents the raw data measured by an accelerometer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEvent/accelerationIncludingGravity)
     */
    readonly accelerationIncludingGravity: DeviceMotionEventAcceleration | null;
    /**
     * The **`interval`** read-only property of the DeviceMotionEvent interface returns the interval, in milliseconds, at which data is obtained from the underlying hardware. You can use this to determine the granularity of motion events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEvent/interval)
     */
    readonly interval: number;
    /**
     * The **`rotationRate`** read-only property of the DeviceMotionEvent interface returns the rate at which the device is rotating around each of its axes in degrees per second.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEvent/rotationRate)
     */
    readonly rotationRate: DeviceMotionEventRotationRate | null;
}

declare var DeviceMotionEvent: {
    prototype: DeviceMotionEvent;
    new(type: string, eventInitDict?: DeviceMotionEventInit): DeviceMotionEvent;
};

/**
 * The **`DeviceMotionEventAcceleration`** interface of the Device Orientation Events provides information about the amount of acceleration the device is experiencing along all three axes.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventAcceleration)
 */
interface DeviceMotionEventAcceleration {
    /**
     * The **`x`** read-only property of the DeviceMotionEventAcceleration interface indicates the amount of acceleration that occurred along the X axis in a DeviceMotionEventAcceleration object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventAcceleration/x)
     */
    readonly x: number | null;
    /**
     * The **`y`** read-only property of the DeviceMotionEventAcceleration interface indicates the amount of acceleration that occurred along the Y axis in a DeviceMotionEventAcceleration object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventAcceleration/y)
     */
    readonly y: number | null;
    /**
     * The **`z`** read-only property of the DeviceMotionEventAcceleration interface indicates the amount of acceleration that occurred along the Z axis in a DeviceMotionEventAcceleration object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventAcceleration/z)
     */
    readonly z: number | null;
}

/**
 * A **`DeviceMotionEventRotationRate`** interface of the Device Orientation Events provides information about the rate at which the device is rotating around all three axes.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventRotationRate)
 */
interface DeviceMotionEventRotationRate {
    /**
     * The **`alpha`** read-only property of the DeviceMotionEventRotationRate interface indicates the rate of rotation around the Z axis, in degrees per second.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventRotationRate/alpha)
     */
    readonly alpha: number | null;
    /**
     * The **`beta`** read-only property of the DeviceMotionEventRotationRate interface indicates the rate of rotation around the X axis, in degrees per second.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventRotationRate/beta)
     */
    readonly beta: number | null;
    /**
     * The **`gamma`** read-only property of the DeviceMotionEventRotationRate interface indicates the rate of rotation around the Y axis, in degrees per second.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceMotionEventRotationRate/gamma)
     */
    readonly gamma: number | null;
}

/**
 * The **`DeviceOrientationEvent`** interface of the Device Orientation Events provides web developers with information from the physical orientation of the device running the web page.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceOrientationEvent)
 */
interface DeviceOrientationEvent extends Event {
    /**
     * The **`absolute`** read-only property of the DeviceOrientationEvent interface indicates whether or not the device is providing orientation data absolutely (that is, in reference to the Earth's coordinate frame) or using some arbitrary frame determined by the device. See Orientation and motion data explained for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceOrientationEvent/absolute)
     */
    readonly absolute: boolean;
    /**
     * The **`alpha`** read-only property of the DeviceOrientationEvent interface returns the rotation of the device around the Z axis; that is, the number of degrees by which the device is being twisted around the center of the screen. See Orientation and motion data explained for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceOrientationEvent/alpha)
     */
    readonly alpha: number | null;
    /**
     * The **`beta`** read-only property of the DeviceOrientationEvent interface returns the rotation of the device around the X axis; that is, the number of degrees, ranged between -180 and 180, by which the device is tipped forward or backward. See Orientation and motion data explained for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceOrientationEvent/beta)
     */
    readonly beta: number | null;
    /**
     * The **`gamma`** read-only property of the DeviceOrientationEvent interface returns the rotation of the device around the Y axis; that is, the number of degrees, ranged between -90 and 90, by which the device is tilted left or right. See Orientation and motion data explained for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DeviceOrientationEvent/gamma)
     */
    readonly gamma: number | null;
}

declare var DeviceOrientationEvent: {
    prototype: DeviceOrientationEvent;
    new(type: string, eventInitDict?: DeviceOrientationEventInit): DeviceOrientationEvent;
};

/** Available only in secure contexts. */
interface DigitalCredential extends Credential {
    readonly data: any;
    readonly protocol: string;
    toJSON(): any;
}

declare var DigitalCredential: {
    prototype: DigitalCredential;
    new(): DigitalCredential;
    userAgentAllowsProtocol(protocol: string): boolean;
};

interface DocumentEventMap extends GlobalEventHandlersEventMap {
    "DOMContentLoaded": Event;
    "fullscreenchange": Event;
    "fullscreenerror": Event;
    "pointerlockchange": Event;
    "pointerlockerror": Event;
    "readystatechange": Event;
    "visibilitychange": Event;
}

/**
 * The **`Document`** interface represents any web page loaded in the browser and serves as an entry point into the web page's content, which is the DOM tree.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document)
 */
interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEventHandlers, NonElementParentNode, ParentNode, XPathEvaluatorBase {
    /**
     * The **`URL`** read-only property of the Document interface returns the document location as a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/URL)
     */
    readonly URL: string;
    /**
     * The **`activeViewTransition`** read-only property of the Document interface returns a ViewTransition instance representing the view transition currently active on the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/activeViewTransition)
     */
    readonly activeViewTransition: ViewTransition | null;
    /**
     * Returns or sets the color of an active link in the document body. A link is active during the time between mousedown and mouseup events.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/alinkColor)
     */
    alinkColor: string;
    /**
     * The Document interface's read-only **`all`** property returns an HTMLAllCollection rooted at the document node.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/all)
     */
    readonly all: HTMLAllCollection;
    /**
     * The **`anchors`** read-only property of the Document interface returns a list of all of the anchors in the document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/anchors)
     */
    readonly anchors: HTMLCollectionOf<HTMLAnchorElement>;
    /**
     * The **`applets`** property of the Document returns an empty HTMLCollection. This property is kept only for compatibility reasons; in older versions of browsers, it returned a list of the applets within a document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/applets)
     */
    readonly applets: HTMLCollection;
    /**
     * The deprecated **`bgColor`** property gets or sets the background color of the current document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/bgColor)
     */
    bgColor: string;
    /**
     * The **`Document.body`** property represents the <body> or <frameset> node of the current document, or null if no such element exists.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/body)
     */
    body: HTMLElement;
    /**
     * The **`Document.characterSet`** read-only property returns the character encoding of the document that it's currently rendered with.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/characterSet)
     */
    readonly characterSet: string;
    /**
     * @deprecated This is a legacy alias of `characterSet`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/characterSet)
     */
    readonly charset: string;
    /**
     * The **`Document.compatMode`** read-only property indicates whether the document is rendered in Quirks mode or Standards mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/compatMode)
     */
    readonly compatMode: string;
    /**
     * The **`Document.contentType`** read-only property returns the MIME type that the document is being rendered as. This may come from HTTP headers or other sources of MIME information, and might be affected by automatic type conversions performed by either the browser or extensions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/contentType)
     */
    readonly contentType: string;
    /**
     * The Document property **`cookie`** lets you read and write cookies associated with the document. It serves as a getter and setter for the actual values of the cookies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/cookie)
     */
    cookie: string;
    /**
     * The **`Document.currentScript`** property returns the <script> element whose script is currently being processed and isn't a JavaScript module. (For modules use import.meta instead.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/currentScript)
     */
    readonly currentScript: HTMLOrSVGScriptElement | null;
    /**
     * In browsers, **`document.defaultView`** returns the window object associated with a document, or null if none is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/defaultView)
     */
    readonly defaultView: (WindowProxy & typeof globalThis) | null;
    /**
     * **`document.designMode`** controls whether the entire document is editable. Valid values are "on" and "off". According to the specification, this property is meant to default to "off". Firefox follows this standard. The earlier versions of Chrome and IE default to "inherit". Starting in Chrome 43, the default is "off" and "inherit" is no longer supported. In IE6-10, the value is capitalized.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/designMode)
     */
    designMode: string;
    /**
     * The **`Document.dir`** property is a string representing the directionality of the text of the document, whether left to right (default) or right to left. Possible values are 'rtl', right to left, and 'ltr', left to right.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/dir)
     */
    dir: string;
    /**
     * The **`doctype`** read-only property of the Document interface is a DocumentType object representing the Document Type Declaration (DTD) associated with the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/doctype)
     */
    readonly doctype: DocumentType | null;
    /**
     * The **`documentElement`** read-only property of the Document interface returns the Element that is the root element of the document (for example, the <html> element for HTML documents).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/documentElement)
     */
    readonly documentElement: HTMLElement;
    /**
     * The **`documentURI`** read-only property of the Document interface returns the document location as a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/documentURI)
     */
    readonly documentURI: string;
    /**
     * The **`domain`** property of the Document interface gets/sets the domain portion of the origin of the current document, as used by the same-origin policy.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/domain)
     */
    domain: string;
    /**
     * The **`embeds`** read-only property of the Document interface returns a list of the embedded <embed> elements within the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/embeds)
     */
    readonly embeds: HTMLCollectionOf<HTMLEmbedElement>;
    /**
     * **`fgColor`** gets/sets the foreground color, or text color, of the current document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fgColor)
     */
    fgColor: string;
    /**
     * The **`forms`** read-only property of the Document interface returns an HTMLCollection listing all the <form> elements contained in the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/forms)
     */
    readonly forms: HTMLCollectionOf<HTMLFormElement>;
    /**
     * The **`fragmentDirective`** read-only property of the Document interface returns the FragmentDirective for the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fragmentDirective)
     */
    readonly fragmentDirective: FragmentDirective;
    /**
     * The obsolete Document interface's **`fullscreen`** read-only property reports whether or not the document is currently displaying content in fullscreen mode.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fullscreen)
     */
    readonly fullscreen: boolean;
    /**
     * The read-only **`fullscreenEnabled`** property on the Document interface indicates whether or not fullscreen mode is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fullscreenEnabled)
     */
    readonly fullscreenEnabled: boolean;
    /**
     * The **`head`** read-only property of the Document interface returns the <head> element of the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/head)
     */
    readonly head: HTMLHeadElement;
    /**
     * The **`Document.hidden`** read-only property returns a Boolean value indicating if the page is considered hidden or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/hidden)
     */
    readonly hidden: boolean;
    /**
     * The **`images`** read-only property of the Document interface returns a collection of the images in the current HTML document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/images)
     */
    readonly images: HTMLCollectionOf<HTMLImageElement>;
    /**
     * The **`Document.implementation`** property returns a DOMImplementation object associated with the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/implementation)
     */
    readonly implementation: DOMImplementation;
    /**
     * @deprecated This is a legacy alias of `characterSet`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/characterSet)
     */
    readonly inputEncoding: string;
    /**
     * The **`lastModified`** property of the Document interface returns a string containing the date and local time on which the current document was last modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/lastModified)
     */
    readonly lastModified: string;
    /**
     * The **`Document.linkColor`** property gets/sets the color of links within the document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/linkColor)
     */
    linkColor: string;
    /**
     * The **`links`** read-only property of the Document interface returns a collection of all <area> elements and <a> elements in a document with a value for the href attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/links)
     */
    readonly links: HTMLCollectionOf<HTMLAnchorElement | HTMLAreaElement>;
    /**
     * The read-only **`location`** property of the Document interface returns a Location object, which contains information about the URL of the document and provides methods for changing that URL and loading another URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/location)
     */
    get location(): Location;
    set location(href: string);
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fullscreenchange_event) */
    onfullscreenchange: ((this: Document, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fullscreenerror_event) */
    onfullscreenerror: ((this: Document, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/pointerlockchange_event) */
    onpointerlockchange: ((this: Document, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/pointerlockerror_event) */
    onpointerlockerror: ((this: Document, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/readystatechange_event) */
    onreadystatechange: ((this: Document, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/visibilitychange_event) */
    onvisibilitychange: ((this: Document, ev: Event) => any) | null;
    readonly ownerDocument: null;
    /**
     * The read-only **`pictureInPictureEnabled`** property of the Document interface indicates whether or not picture-in-picture mode is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/pictureInPictureEnabled)
     */
    readonly pictureInPictureEnabled: boolean;
    /**
     * The **`plugins`** read-only property of the Document interface returns an HTMLCollection object containing one or more HTMLEmbedElements representing the <embed> elements in the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/plugins)
     */
    readonly plugins: HTMLCollectionOf<HTMLEmbedElement>;
    /**
     * The **`Document.readyState`** property describes the loading state of the document. When the value of this property changes, a readystatechange event fires on the document object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/readyState)
     */
    readonly readyState: DocumentReadyState;
    /**
     * The **`Document.referrer`** property returns the URI of the page that linked to this page.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/referrer)
     */
    readonly referrer: string;
    /**
     * **`Document.rootElement`** returns the Element that is the root element of the document if it is an <svg> element, otherwise null. It is deprecated in favor of Document.documentElement, which returns the root element for all documents.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/rootElement)
     */
    readonly rootElement: SVGSVGElement | null;
    /**
     * The **`scripts`** property of the Document interface returns a list of the <script> elements in the document. The returned object is an HTMLCollection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/scripts)
     */
    readonly scripts: HTMLCollectionOf<HTMLScriptElement>;
    /**
     * The **`scrollingElement`** read-only property of the Document interface returns a reference to the Element that scrolls the document. In standards mode, this is the root element of the document, document.documentElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/scrollingElement)
     */
    readonly scrollingElement: Element | null;
    /**
     * The **`timeline`** readonly property of the Document interface represents the default timeline of the current document. This timeline is a special instance of DocumentTimeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/timeline)
     */
    readonly timeline: DocumentTimeline;
    /**
     * The **`document.title`** property gets or sets the current title of the document. When present, it defaults to the value of the <title>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/title)
     */
    title: string;
    /**
     * The **`Document.visibilityState`** read-only property returns the visibility of the document. It can be used to check whether the document is in the background or in a minimized window, or is otherwise not visible to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/visibilityState)
     */
    readonly visibilityState: DocumentVisibilityState;
    /**
     * The **`Document.vlinkColor`** property gets/sets the color of links that the user has visited in the document.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/vlinkColor)
     */
    vlinkColor: string;
    /**
     * **`Document.adoptNode()`** transfers a node from another document into the method's document. The adopted node and its subtree are removed from their original document (if any), and their ownerDocument is changed to the current document. The node can then be inserted into the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/adoptNode)
     */
    adoptNode<T extends Node>(node: T): T;
    /** @deprecated */
    captureEvents(): void;
    /**
     * The **`caretPositionFromPoint()`** method of the Document interface returns a CaretPosition object, containing the DOM node, along with the caret and caret's character offset within that node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/caretPositionFromPoint)
     */
    caretPositionFromPoint(x: number, y: number, options?: CaretPositionFromPointOptions): CaretPosition | null;
    /**
     * The **`caretRangeFromPoint()`** method of the Document interface returns a Range object for the document fragment under the specified coordinates.
     * @deprecated
     */
    caretRangeFromPoint(x: number, y: number): Range | null;
    /**
     * The **`Document.clear()`** method does nothing, but doesn't raise any error.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/clear)
     */
    clear(): void;
    /**
     * The **`Document.close()`** method finishes writing to a document, opened with Document.open().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/close)
     */
    close(): void;
    /**
     * The **`Document.createAttribute()`** method creates a new attribute node, and returns it. The object created is a node implementing the Attr interface. The DOM does not enforce what sort of attributes can be added to a particular element in this manner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createAttribute)
     */
    createAttribute(localName: string): Attr;
    /**
     * The **`Document.createAttributeNS()`** method creates a new attribute node with the specified namespace URI and qualified name, and returns it. The object created is a node implementing the Attr interface. The DOM does not enforce what sort of attributes can be added to a particular element in this manner.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createAttributeNS)
     */
    createAttributeNS(namespace: string | null, qualifiedName: string): Attr;
    /**
     * **`createCDATASection()`** creates a new CDATA section node, and returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createCDATASection)
     */
    createCDATASection(data: string): CDATASection;
    /**
     * **`createComment()`** creates a new comment node, and returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createComment)
     */
    createComment(data: string): Comment;
    /**
     * Creates a new empty DocumentFragment into which DOM nodes can be added to build an offscreen DOM tree.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createDocumentFragment)
     */
    createDocumentFragment(): DocumentFragment;
    /**
     * In an HTML document, the **`document.createElement()`** method creates the HTML element specified by localName, or an HTMLUnknownElement if localName isn't recognized.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElement)
     */
    createElement<K extends keyof HTMLElementTagNameMap>(tagName: K, options?: ElementCreationOptions): HTMLElementTagNameMap[K];
    /** @deprecated */
    createElement<K extends keyof HTMLElementDeprecatedTagNameMap>(tagName: K, options?: ElementCreationOptions): HTMLElementDeprecatedTagNameMap[K];
    createElement(tagName: string, options?: ElementCreationOptions): HTMLElement;
    /**
     * Creates an element with the specified namespace URI and qualified name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElementNS)
     */
    createElementNS(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: string): HTMLElement;
    createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: K): SVGElementTagNameMap[K];
    createElementNS(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: string): SVGElement;
    createElementNS<K extends keyof MathMLElementTagNameMap>(namespaceURI: "http://www.w3.org/1998/Math/MathML", qualifiedName: K): MathMLElementTagNameMap[K];
    createElementNS(namespaceURI: "http://www.w3.org/1998/Math/MathML", qualifiedName: string): MathMLElement;
    createElementNS(namespaceURI: string | null, qualifiedName: string, options?: ElementCreationOptions): Element;
    createElementNS(namespace: string | null, qualifiedName: string, options?: string | ElementCreationOptions): Element;
    /**
     * Creates an event of the type specified. The returned object should be first initialized and can then be passed to EventTarget.dispatchEvent.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createEvent)
     */
    createEvent(eventInterface: "AnimationEvent"): AnimationEvent;
    createEvent(eventInterface: "AnimationPlaybackEvent"): AnimationPlaybackEvent;
    createEvent(eventInterface: "AudioProcessingEvent"): AudioProcessingEvent;
    createEvent(eventInterface: "BeforeUnloadEvent"): BeforeUnloadEvent;
    createEvent(eventInterface: "BlobEvent"): BlobEvent;
    createEvent(eventInterface: "ClipboardEvent"): ClipboardEvent;
    createEvent(eventInterface: "CloseEvent"): CloseEvent;
    createEvent(eventInterface: "CommandEvent"): CommandEvent;
    createEvent(eventInterface: "CompositionEvent"): CompositionEvent;
    createEvent(eventInterface: "ContentVisibilityAutoStateChangeEvent"): ContentVisibilityAutoStateChangeEvent;
    createEvent(eventInterface: "CookieChangeEvent"): CookieChangeEvent;
    createEvent(eventInterface: "CustomEvent"): CustomEvent;
    createEvent(eventInterface: "DeviceMotionEvent"): DeviceMotionEvent;
    createEvent(eventInterface: "DeviceOrientationEvent"): DeviceOrientationEvent;
    createEvent(eventInterface: "DragEvent"): DragEvent;
    createEvent(eventInterface: "ErrorEvent"): ErrorEvent;
    createEvent(eventInterface: "Event"): Event;
    createEvent(eventInterface: "Events"): Event;
    createEvent(eventInterface: "FocusEvent"): FocusEvent;
    createEvent(eventInterface: "FontFaceSetLoadEvent"): FontFaceSetLoadEvent;
    createEvent(eventInterface: "FormDataEvent"): FormDataEvent;
    createEvent(eventInterface: "GPUUncapturedErrorEvent"): GPUUncapturedErrorEvent;
    createEvent(eventInterface: "GamepadEvent"): GamepadEvent;
    createEvent(eventInterface: "HashChangeEvent"): HashChangeEvent;
    createEvent(eventInterface: "IDBVersionChangeEvent"): IDBVersionChangeEvent;
    createEvent(eventInterface: "InputEvent"): InputEvent;
    createEvent(eventInterface: "KeyboardEvent"): KeyboardEvent;
    createEvent(eventInterface: "MIDIConnectionEvent"): MIDIConnectionEvent;
    createEvent(eventInterface: "MIDIMessageEvent"): MIDIMessageEvent;
    createEvent(eventInterface: "MediaEncryptedEvent"): MediaEncryptedEvent;
    createEvent(eventInterface: "MediaKeyMessageEvent"): MediaKeyMessageEvent;
    createEvent(eventInterface: "MediaQueryListEvent"): MediaQueryListEvent;
    createEvent(eventInterface: "MediaStreamTrackEvent"): MediaStreamTrackEvent;
    createEvent(eventInterface: "MessageEvent"): MessageEvent;
    createEvent(eventInterface: "MouseEvent"): MouseEvent;
    createEvent(eventInterface: "MouseEvents"): MouseEvent;
    createEvent(eventInterface: "NavigateEvent"): NavigateEvent;
    createEvent(eventInterface: "NavigationCurrentEntryChangeEvent"): NavigationCurrentEntryChangeEvent;
    createEvent(eventInterface: "OfflineAudioCompletionEvent"): OfflineAudioCompletionEvent;
    createEvent(eventInterface: "PageRevealEvent"): PageRevealEvent;
    createEvent(eventInterface: "PageSwapEvent"): PageSwapEvent;
    createEvent(eventInterface: "PageTransitionEvent"): PageTransitionEvent;
    createEvent(eventInterface: "PaymentMethodChangeEvent"): PaymentMethodChangeEvent;
    createEvent(eventInterface: "PaymentRequestUpdateEvent"): PaymentRequestUpdateEvent;
    createEvent(eventInterface: "PictureInPictureEvent"): PictureInPictureEvent;
    createEvent(eventInterface: "PointerEvent"): PointerEvent;
    createEvent(eventInterface: "PopStateEvent"): PopStateEvent;
    createEvent(eventInterface: "ProgressEvent"): ProgressEvent;
    createEvent(eventInterface: "PromiseRejectionEvent"): PromiseRejectionEvent;
    createEvent(eventInterface: "RTCDTMFToneChangeEvent"): RTCDTMFToneChangeEvent;
    createEvent(eventInterface: "RTCDataChannelEvent"): RTCDataChannelEvent;
    createEvent(eventInterface: "RTCErrorEvent"): RTCErrorEvent;
    createEvent(eventInterface: "RTCPeerConnectionIceErrorEvent"): RTCPeerConnectionIceErrorEvent;
    createEvent(eventInterface: "RTCPeerConnectionIceEvent"): RTCPeerConnectionIceEvent;
    createEvent(eventInterface: "RTCTrackEvent"): RTCTrackEvent;
    createEvent(eventInterface: "SecurityPolicyViolationEvent"): SecurityPolicyViolationEvent;
    createEvent(eventInterface: "SpeechRecognitionErrorEvent"): SpeechRecognitionErrorEvent;
    createEvent(eventInterface: "SpeechRecognitionEvent"): SpeechRecognitionEvent;
    createEvent(eventInterface: "SpeechSynthesisErrorEvent"): SpeechSynthesisErrorEvent;
    createEvent(eventInterface: "SpeechSynthesisEvent"): SpeechSynthesisEvent;
    createEvent(eventInterface: "StorageEvent"): StorageEvent;
    createEvent(eventInterface: "SubmitEvent"): SubmitEvent;
    createEvent(eventInterface: "TaskPriorityChangeEvent"): TaskPriorityChangeEvent;
    createEvent(eventInterface: "TextEvent"): TextEvent;
    createEvent(eventInterface: "ToggleEvent"): ToggleEvent;
    createEvent(eventInterface: "TouchEvent"): TouchEvent;
    createEvent(eventInterface: "TrackEvent"): TrackEvent;
    createEvent(eventInterface: "TransitionEvent"): TransitionEvent;
    createEvent(eventInterface: "UIEvent"): UIEvent;
    createEvent(eventInterface: "UIEvents"): UIEvent;
    createEvent(eventInterface: "WebGLContextEvent"): WebGLContextEvent;
    createEvent(eventInterface: "WheelEvent"): WheelEvent;
    createEvent(eventInterface: string): Event;
    /**
     * The **`Document.createNodeIterator()`** method returns a new NodeIterator object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createNodeIterator)
     */
    createNodeIterator(root: Node, whatToShow?: number, filter?: NodeFilter | null): NodeIterator;
    /**
     * **`createProcessingInstruction()`** generates a new processing instruction node and returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createProcessingInstruction)
     */
    createProcessingInstruction(target: string, data: string): ProcessingInstruction;
    /**
     * The **`Document.createRange()`** method returns a new Range object whose start and end are offset 0 of the Document object on which it was called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createRange)
     */
    createRange(): Range;
    /**
     * Creates a new Text node. This method can be used to escape HTML characters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createTextNode)
     */
    createTextNode(data: string): Text;
    /**
     * The **`Document.createTreeWalker()`** creator method returns a newly created TreeWalker object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createTreeWalker)
     */
    createTreeWalker(root: Node, whatToShow?: number, filter?: NodeFilter | null): TreeWalker;
    /**
     * The **`execCommand`** method implements multiple different commands. Some of them provide access to the clipboard, while others are for editing form inputs, contenteditable elements or entire documents (when switched to design mode).
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/execCommand)
     */
    execCommand(commandId: string, showUI?: boolean, value?: string): boolean;
    /**
     * The Document method **`exitFullscreen()`** requests that the element on this document which is currently being presented in fullscreen mode be taken out of fullscreen mode, restoring the previous state of the screen. This usually reverses the effects of a previous call to Element.requestFullscreen().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/exitFullscreen)
     */
    exitFullscreen(): Promise<void>;
    /**
     * The **`exitPictureInPicture()`** method of the Document interface requests that a video contained in this document, which is currently floating, be taken out of picture-in-picture mode, restoring the previous state of the screen. This usually reverses the effects of a previous call to HTMLVideoElement.requestPictureInPicture().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/exitPictureInPicture)
     */
    exitPictureInPicture(): Promise<void>;
    /**
     * The **`exitPointerLock()`** method of the Document interface asynchronously releases a pointer lock previously requested through Element.requestPointerLock.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/exitPointerLock)
     */
    exitPointerLock(): void;
    /** The **`getElementById()`** method of the Document interface returns an Element object representing the element whose id property matches the specified string. Since element IDs are required to be unique if specified, they're a useful way to get access to a specific element quickly. */
    getElementById(elementId: string): HTMLElement | null;
    /**
     * The **`getElementsByClassName`** method of Document interface returns an array-like object of all child elements which have all of the given class name(s).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getElementsByClassName)
     */
    getElementsByClassName(classNames: string): HTMLCollectionOf<Element>;
    /**
     * The **`getElementsByName()`** method of the Document object returns a NodeList Collection of elements with a given name attribute in the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getElementsByName)
     */
    getElementsByName(elementName: string): NodeListOf<HTMLElement>;
    /**
     * The **`getElementsByTagName`** method of Document interface returns an HTMLCollection of elements with the given tag name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getElementsByTagName)
     */
    getElementsByTagName<K extends keyof HTMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementTagNameMap[K]>;
    getElementsByTagName<K extends keyof SVGElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<SVGElementTagNameMap[K]>;
    getElementsByTagName<K extends keyof MathMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<MathMLElementTagNameMap[K]>;
    /** @deprecated */
    getElementsByTagName<K extends keyof HTMLElementDeprecatedTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementDeprecatedTagNameMap[K]>;
    getElementsByTagName(qualifiedName: string): HTMLCollectionOf<Element>;
    /**
     * Returns a list of elements with the given tag name belonging to the given namespace. The complete document is searched, including the root node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getElementsByTagNameNS)
     */
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/1999/xhtml", localName: string): HTMLCollectionOf<HTMLElement>;
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/2000/svg", localName: string): HTMLCollectionOf<SVGElement>;
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/1998/Math/MathML", localName: string): HTMLCollectionOf<MathMLElement>;
    getElementsByTagNameNS(namespace: string | null, localName: string): HTMLCollectionOf<Element>;
    /**
     * The **`getSelection()`** method of the Document interface returns the Selection object associated with this document, representing the range of text selected by the user, or the current position of the caret.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getSelection)
     */
    getSelection(): Selection | null;
    /**
     * The **`hasFocus()`** method of the Document interface returns a boolean value indicating whether the document or any element inside the document has focus. This method can be used to determine whether the active element in a document has focus.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/hasFocus)
     */
    hasFocus(): boolean;
    /**
     * The **`hasStorageAccess()`** method of the Document interface returns a Promise that resolves with a boolean value indicating whether the document has access to third-party, unpartitioned cookies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/hasStorageAccess)
     */
    hasStorageAccess(): Promise<boolean>;
    /**
     * The **`importNode()`** method of the Document interface creates a copy of a Node or DocumentFragment from another document, to be inserted into the current document later.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/importNode)
     */
    importNode<T extends Node>(node: T, options?: boolean | ImportNodeOptions): T;
    /**
     * The **`Document.open()`** method opens a document for writing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/open)
     */
    open(unused1?: string, unused2?: string): Document;
    open(url: string | URL, name: string, features: string): WindowProxy | null;
    /**
     * The **`Document.queryCommandEnabled()`** method reports whether or not the specified editor command is enabled by the browser.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/queryCommandEnabled)
     */
    queryCommandEnabled(commandId: string): boolean;
    /** @deprecated */
    queryCommandIndeterm(commandId: string): boolean;
    /**
     * The **`queryCommandState()`** method will tell you if the current selection has a certain Document.execCommand() command applied.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/queryCommandState)
     */
    queryCommandState(commandId: string): boolean;
    /**
     * The **`Document.queryCommandSupported()`** method reports whether or not the specified editor command is supported by the browser.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/queryCommandSupported)
     */
    queryCommandSupported(commandId: string): boolean;
    /** @deprecated */
    queryCommandValue(commandId: string): string;
    /** @deprecated */
    releaseEvents(): void;
    /**
     * The **`requestStorageAccess()`** method of the Document interface allows content loaded in a third-party context (i.e., embedded in an <iframe>) to request access to third-party cookies and unpartitioned state. This is relevant to user agents that, by default, block access to third-party, unpartitioned cookies to improve privacy (e.g., to prevent tracking), and is part of the Storage Access API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/requestStorageAccess)
     */
    requestStorageAccess(): Promise<void>;
    /**
     * The **`startViewTransition()`** method of the Document interface starts a new same-document (SPA) view transition and returns a ViewTransition object to represent it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/startViewTransition)
     */
    startViewTransition(callbackOptions?: ViewTransitionUpdateCallback | StartViewTransitionOptions): ViewTransition;
    /**
     * The **`write()`** method of the Document interface writes text in one or more TrustedHTML or string parameters to a document stream opened by document.open().
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/write)
     */
    write(...text: string[]): void;
    /**
     * The **`writeln()`** method of the Document interface writes text in one or more TrustedHTML or string parameters to a document stream opened by document.open(), followed by a newline character.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/writeln)
     */
    writeln(...text: string[]): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): null;
    addEventListener<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof DocumentEventMap>(type: K, listener: (this: Document, ev: DocumentEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Document: {
    prototype: Document;
    new(): Document;
    /**
     * The **`parseHTMLUnsafe()`** static method of the Document object is used to parse HTML input, optionally filtering unwanted HTML elements and attributes, in order to create a new Document instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/parseHTMLUnsafe_static)
     */
    parseHTMLUnsafe(html: string): Document;
};

/**
 * The **`DocumentFragment`** interface represents a minimal document object that has no parent.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentFragment)
 */
interface DocumentFragment extends Node, NonElementParentNode, ParentNode {
    readonly ownerDocument: Document;
    /** The **`getElementById()`** method of the DocumentFragment returns an Element object representing the element whose id property matches the specified string. Since element IDs are required to be unique if specified, they're a useful way to get access to a specific element quickly. */
    getElementById(elementId: string): HTMLElement | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): string;
    set textContent(value: string | null);
}

declare var DocumentFragment: {
    prototype: DocumentFragment;
    new(): DocumentFragment;
};

interface DocumentOrShadowRoot {
    /**
     * Returns the deepest element in the document through which or to which key events are being routed. This is, roughly speaking, the focused element in the document.
     *
     * For the purposes of this API, when a child browsing context is focused, its container is focused in the parent browsing context. For example, if the user moves the focus to a text control in an iframe, the iframe is the element returned by the activeElement API in the iframe's node document.
     *
     * Similarly, when the focused element is in a different node tree than documentOrShadowRoot, the element returned will be the host that's located in the same node tree as documentOrShadowRoot if documentOrShadowRoot is a shadow-including inclusive ancestor of the focused element, and null if not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/activeElement)
     */
    readonly activeElement: Element | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/adoptedStyleSheets) */
    adoptedStyleSheets: CSSStyleSheet[];
    readonly customElementRegistry: CustomElementRegistry | null;
    /**
     * Returns document's fullscreen element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fullscreenElement)
     */
    readonly fullscreenElement: Element | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/pictureInPictureElement) */
    readonly pictureInPictureElement: Element | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/pointerLockElement) */
    readonly pointerLockElement: Element | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/styleSheets) */
    readonly styleSheets: StyleSheetList;
    elementFromPoint(x: number, y: number): Element | null;
    elementsFromPoint(x: number, y: number): Element[];
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getAnimations) */
    getAnimations(): Animation[];
}

/**
 * The **`DocumentTimeline`** interface of the Web Animations API represents animation timelines, including the default document timeline (accessed via Document.timeline).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentTimeline)
 */
interface DocumentTimeline extends AnimationTimeline {
}

declare var DocumentTimeline: {
    prototype: DocumentTimeline;
    new(options?: DocumentTimelineOptions): DocumentTimeline;
};

/**
 * The **`DocumentType`** interface represents a Node containing a doctype.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentType)
 */
interface DocumentType extends Node, ChildNode {
    /**
     * The read-only **`name`** property of the DocumentType returns the type of the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentType/name)
     */
    readonly name: string;
    readonly ownerDocument: Document;
    /**
     * The read-only **`publicId`** property of the DocumentType returns a formal identifier of the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentType/publicId)
     */
    readonly publicId: string;
    /**
     * The read-only **`systemId`** property of the DocumentType returns the URL of the associated DTD.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DocumentType/systemId)
     */
    readonly systemId: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): null;
}

declare var DocumentType: {
    prototype: DocumentType;
    new(): DocumentType;
};

/**
 * The **`DragEvent`** interface is a DOM event that represents a drag and drop interaction. The user initiates a drag by placing a pointer device (such as a mouse) on the touch surface and then dragging the pointer to a new location (such as another DOM element). Applications are free to interpret a drag and drop interaction in an application-specific way.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DragEvent)
 */
interface DragEvent extends MouseEvent {
    /**
     * The **`DragEvent.dataTransfer`** read-only property holds the drag operation's data (as a DataTransfer object).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DragEvent/dataTransfer)
     */
    readonly dataTransfer: DataTransfer | null;
}

declare var DragEvent: {
    prototype: DragEvent;
    new(type: string, eventInitDict?: DragEventInit): DragEvent;
};

/**
 * The **`DynamicsCompressorNode`** interface provides a compression effect, which lowers the volume of the loudest parts of the signal in order to help prevent clipping and distortion that can occur when multiple sounds are played and multiplexed together at once. This is often used in musical production and game audio. DynamicsCompressorNode is an AudioNode that has exactly one input and one output.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode)
 */
interface DynamicsCompressorNode extends AudioNode {
    /**
     * The **`attack`** property of the DynamicsCompressorNode interface is a k-rate AudioParam representing the amount of time, in seconds, required to reduce the gain by 10 dB. It defines how quickly the signal is adapted when its volume is increased.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/attack)
     */
    readonly attack: AudioParam;
    /**
     * The **`knee`** property of the DynamicsCompressorNode interface is a k-rate AudioParam containing a decibel value representing the range above the threshold where the curve smoothly transitions to the compressed portion.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/knee)
     */
    readonly knee: AudioParam;
    /**
     * The **`ratio`** property of the DynamicsCompressorNode interface Is a k-rate AudioParam representing the amount of change, in dB, needed in the input for a 1 dB change in the output.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/ratio)
     */
    readonly ratio: AudioParam;
    /**
     * The **`reduction`** read-only property of the DynamicsCompressorNode interface is a float representing the amount of gain reduction currently applied by the compressor to the signal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/reduction)
     */
    readonly reduction: number;
    /**
     * The **`release`** property of the DynamicsCompressorNode interface Is a k-rate AudioParam representing the amount of time, in seconds, required to increase the gain by 10 dB. It defines how quick the signal is adapted when its volume is reduced.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/release)
     */
    readonly release: AudioParam;
    /**
     * The **`threshold`** property of the DynamicsCompressorNode interface is a k-rate AudioParam representing the decibel value above which the compression will start taking effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DynamicsCompressorNode/threshold)
     */
    readonly threshold: AudioParam;
}

declare var DynamicsCompressorNode: {
    prototype: DynamicsCompressorNode;
    new(context: BaseAudioContext, options?: DynamicsCompressorOptions): DynamicsCompressorNode;
};

/**
 * The **`EXT_blend_minmax`** extension is part of the WebGL API and extends blending capabilities by adding two new blend equations: the minimum or maximum color components of the source and destination colors.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_blend_minmax)
 */
interface EXT_blend_minmax {
    readonly MIN_EXT: 0x8007;
    readonly MAX_EXT: 0x8008;
}

/**
 * The **`EXT_color_buffer_float`** extension is part of WebGL and adds the ability to render a variety of floating point formats.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_color_buffer_float)
 */
interface EXT_color_buffer_float {
}

/**
 * The **`EXT_color_buffer_half_float`** extension is part of the WebGL API and adds the ability to render to 16-bit floating-point color buffers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_color_buffer_half_float)
 */
interface EXT_color_buffer_half_float {
    readonly RGBA16F_EXT: 0x881A;
    readonly RGB16F_EXT: 0x881B;
    readonly FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT: 0x8211;
    readonly UNSIGNED_NORMALIZED_EXT: 0x8C17;
}

/**
 * The WebGL API's **`EXT_float_blend`** extension allows blending and draw buffers with 32-bit floating-point components.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_float_blend)
 */
interface EXT_float_blend {
}

/**
 * The **`EXT_frag_depth`** extension is part of the WebGL API and enables to set a depth value of a fragment from within the fragment shader.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_frag_depth)
 */
interface EXT_frag_depth {
}

/**
 * The **`EXT_sRGB`** extension is part of the WebGL API and adds sRGB support to textures and framebuffer objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_sRGB)
 */
interface EXT_sRGB {
    readonly SRGB_EXT: 0x8C40;
    readonly SRGB_ALPHA_EXT: 0x8C42;
    readonly SRGB8_ALPHA8_EXT: 0x8C43;
    readonly FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT: 0x8210;
}

/**
 * The **`EXT_shader_texture_lod`** extension is part of the WebGL API and adds additional texture functions to the OpenGL ES Shading Language which provide the shader writer with explicit control of LOD (Level of detail).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_shader_texture_lod)
 */
interface EXT_shader_texture_lod {
}

/**
 * The **`EXT_texture_compression_bptc`** extension is part of the WebGL API and exposes 4 BPTC compressed texture formats. These compression formats are called BC7 and BC6H in Microsoft's DirectX API.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_texture_compression_bptc)
 */
interface EXT_texture_compression_bptc {
    readonly COMPRESSED_RGBA_BPTC_UNORM_EXT: 0x8E8C;
    readonly COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT: 0x8E8D;
    readonly COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT: 0x8E8E;
    readonly COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT: 0x8E8F;
}

/**
 * The **`EXT_texture_compression_rgtc`** extension is part of the WebGL API and exposes 4 RGTC compressed texture formats. RGTC is a block-based texture compression format suited for unsigned and signed red and red-green textures (Red-Green Texture Compression).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_texture_compression_rgtc)
 */
interface EXT_texture_compression_rgtc {
    readonly COMPRESSED_RED_RGTC1_EXT: 0x8DBB;
    readonly COMPRESSED_SIGNED_RED_RGTC1_EXT: 0x8DBC;
    readonly COMPRESSED_RED_GREEN_RGTC2_EXT: 0x8DBD;
    readonly COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT: 0x8DBE;
}

/**
 * The **`EXT_texture_filter_anisotropic`** extension is part of the WebGL API and exposes two constants for anisotropic filtering (AF).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_texture_filter_anisotropic)
 */
interface EXT_texture_filter_anisotropic {
    readonly TEXTURE_MAX_ANISOTROPY_EXT: 0x84FE;
    readonly MAX_TEXTURE_MAX_ANISOTROPY_EXT: 0x84FF;
}

/**
 * The **`EXT_texture_norm16`** extension is part of the WebGL API and provides a set of new 16-bit signed normalized and unsigned normalized formats (fixed-point texture, renderbuffer and texture buffer).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_texture_norm16)
 */
interface EXT_texture_norm16 {
    readonly R16_EXT: 0x822A;
    readonly RG16_EXT: 0x822C;
    readonly RGB16_EXT: 0x8054;
    readonly RGBA16_EXT: 0x805B;
    readonly R16_SNORM_EXT: 0x8F98;
    readonly RG16_SNORM_EXT: 0x8F99;
    readonly RGB16_SNORM_EXT: 0x8F9A;
    readonly RGBA16_SNORM_EXT: 0x8F9B;
}

interface ElementEventMap {
    "fullscreenchange": Event;
    "fullscreenerror": Event;
}

/**
 * **`Element`** is the most general base class from which all element objects (i.e., objects that represent elements) in a Document inherit. It only has methods and properties common to all kinds of elements. More specific classes inherit from Element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element)
 */
interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTypeChildNode, ParentNode, Slottable {
    /**
     * The **`Element.attributes`** property returns a live collection of all attribute nodes registered to the specified node. It is a NamedNodeMap, not an Array, so it has no Array methods and the Attr nodes' indexes may differ among browsers. To be more specific, attributes is a key/value pair of strings that represents any information regarding that attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/attributes)
     */
    readonly attributes: NamedNodeMap;
    /**
     * The read-only **`classList`** property of the Element interface contains a live DOMTokenList collection representing the class attribute of the element. This can then be used to manipulate the class list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/classList)
     */
    get classList(): DOMTokenList;
    set classList(value: string);
    /**
     * The **`className`** property of the Element interface gets and sets the value of the class attribute of the specified element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/className)
     */
    className: string;
    /**
     * The **`clientHeight`** read-only property of the Element interface is zero for elements with no CSS or inline layout boxes; otherwise, it's the inner height of an element in pixels. It includes padding but excludes borders, margins, and horizontal scrollbars (if present).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/clientHeight)
     */
    readonly clientHeight: number;
    /**
     * The **`clientLeft`** read-only property of the Element interface returns the width of the left border of an element in pixels. It includes the width of the vertical scrollbar if the text direction of the element is right-to-left and if there is an overflow causing a left vertical scrollbar to be rendered. clientLeft does not include the left margin or the left padding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/clientLeft)
     */
    readonly clientLeft: number;
    /**
     * The **`clientTop`** read-only property of the Element interface returns the width of the top border of an element in pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/clientTop)
     */
    readonly clientTop: number;
    /**
     * The **`clientWidth`** read-only property of the Element interface is zero for inline elements and elements with no CSS; otherwise, it's the inner width of an element in pixels. It includes padding but excludes borders, margins, and vertical scrollbars (if present).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/clientWidth)
     */
    readonly clientWidth: number;
    /**
     * The **`currentCSSZoom`** read-only property of the Element interface provides the "effective" CSS zoom of an element, taking into account the zoom applied to the element and all its parent elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/currentCSSZoom)
     */
    readonly currentCSSZoom: number;
    readonly customElementRegistry: CustomElementRegistry | null;
    /**
     * The **`id`** property of the Element interface represents the element's identifier, reflecting the id global attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/id)
     */
    id: string;
    /**
     * The **`innerHTML`** property of the Element interface gets or sets the HTML or XML markup contained within the element, omitting any shadow roots in both cases.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/innerHTML)
     */
    innerHTML: string;
    /**
     * The **`Element.localName`** read-only property returns the local part of the qualified name of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/localName)
     */
    readonly localName: string;
    /**
     * The **`Element.namespaceURI`** read-only property returns the namespace URI of the element, or null if the element is not in a namespace.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/namespaceURI)
     */
    readonly namespaceURI: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/fullscreenchange_event) */
    onfullscreenchange: ((this: Element, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/fullscreenerror_event) */
    onfullscreenerror: ((this: Element, ev: Event) => any) | null;
    /**
     * The **`outerHTML`** attribute of the Element interface gets or sets the HTML or XML markup of the element and its descendants, omitting any shadow roots in both cases.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/outerHTML)
     */
    outerHTML: string;
    readonly ownerDocument: Document;
    /**
     * The read-only **`part`** property of the Element interface contains a DOMTokenList object representing the part identifier(s) of the element. It reflects the element's part content attribute. These can be used to style parts of a shadow DOM, via the ::part pseudo-element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/part)
     */
    get part(): DOMTokenList;
    set part(value: string);
    /**
     * The **`Element.prefix`** read-only property returns the namespace prefix of the specified element, or null if no prefix is specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/prefix)
     */
    readonly prefix: string | null;
    /**
     * The **`scrollHeight`** read-only property of the Element interface is a measurement of the height of an element's content, including content not visible on the screen due to overflow.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollHeight)
     */
    readonly scrollHeight: number;
    /**
     * The **`scrollLeft`** property of the Element interface gets or sets the number of pixels by which an element's content is scrolled from its left edge. This value is subpixel precise in modern browsers, meaning that it isn't necessarily a whole number.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollLeft)
     */
    scrollLeft: number;
    /**
     * The **`scrollTop`** property of the Element interface gets or sets the number of pixels by which an element's content is scrolled from its top edge. This value is subpixel precise in modern browsers, meaning that it isn't necessarily a whole number.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollTop)
     */
    scrollTop: number;
    /**
     * The **`scrollWidth`** read-only property of the Element interface is a measurement of the width of an element's content, including content not visible on the screen due to overflow.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollWidth)
     */
    readonly scrollWidth: number;
    /**
     * The **`Element.shadowRoot`** read-only property represents the shadow root hosted by the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/shadowRoot)
     */
    readonly shadowRoot: ShadowRoot | null;
    /**
     * The **`slot`** property of the Element interface returns the name of the shadow DOM slot the element is inserted in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/slot)
     */
    slot: string;
    /**
     * The **`tagName`** read-only property of the Element interface returns the tag name of the element on which it's called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/tagName)
     */
    readonly tagName: string;
    /**
     * The **`Element.attachShadow()`** method attaches a shadow DOM tree to the specified element and returns a reference to its ShadowRoot.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/attachShadow)
     */
    attachShadow(init: ShadowRootInit): ShadowRoot;
    /**
     * The **`checkVisibility()`** method of the Element interface checks whether the element is visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/checkVisibility)
     */
    checkVisibility(options?: CheckVisibilityOptions): boolean;
    /**
     * The **`closest()`** method of the Element interface traverses the element and its parents (heading toward the document root) until it finds a node that matches the specified CSS selector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/closest)
     */
    closest<K extends keyof HTMLElementTagNameMap>(selector: K): HTMLElementTagNameMap[K] | null;
    closest<K extends keyof SVGElementTagNameMap>(selector: K): SVGElementTagNameMap[K] | null;
    closest<K extends keyof MathMLElementTagNameMap>(selector: K): MathMLElementTagNameMap[K] | null;
    closest<E extends Element = Element>(selectors: string): E | null;
    /**
     * The **`computedStyleMap()`** method of the Element interface returns a StylePropertyMapReadOnly interface which provides a read-only representation of a CSS declaration block that is an alternative to CSSStyleDeclaration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/computedStyleMap)
     */
    computedStyleMap(): StylePropertyMapReadOnly;
    /**
     * The **`getAttribute()`** method of the Element interface returns the value of a specified attribute on the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAttribute)
     */
    getAttribute(qualifiedName: string): string | null;
    /**
     * The **`getAttributeNS()`** method of the Element interface returns the string value of the attribute with the specified namespace and name. If the named attribute does not exist, the value returned will either be null or "" (the empty string); see Notes for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAttributeNS)
     */
    getAttributeNS(namespace: string | null, localName: string): string | null;
    /**
     * The **`getAttributeNames()`** method of the Element interface returns the attribute names of the element as an Array of strings. If the element has no attributes it returns an empty array.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAttributeNames)
     */
    getAttributeNames(): string[];
    /**
     * Returns the specified attribute of the specified element, as an Attr node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAttributeNode)
     */
    getAttributeNode(qualifiedName: string): Attr | null;
    /**
     * The **`getAttributeNodeNS()`** method of the Element interface returns the namespaced Attr node of an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getAttributeNodeNS)
     */
    getAttributeNodeNS(namespace: string | null, localName: string): Attr | null;
    /**
     * The **`Element.getBoundingClientRect()`** method returns a DOMRect object providing information about the size of an element and its position relative to the viewport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getBoundingClientRect)
     */
    getBoundingClientRect(): DOMRect;
    /**
     * The **`getClientRects()`** method of the Element interface returns a collection of DOMRect objects that indicate the bounding rectangles for each CSS border box in a client.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getClientRects)
     */
    getClientRects(): DOMRectList;
    /**
     * The Element method **`getElementsByClassName()`** returns a live HTMLCollection which contains every descendant element which has the specified class name or names.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getElementsByClassName)
     */
    getElementsByClassName(classNames: string): HTMLCollectionOf<Element>;
    /**
     * The **`Element.getElementsByTagName()`** method returns a live HTMLCollection of elements with the given tag name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getElementsByTagName)
     */
    getElementsByTagName<K extends keyof HTMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementTagNameMap[K]>;
    getElementsByTagName<K extends keyof SVGElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<SVGElementTagNameMap[K]>;
    getElementsByTagName<K extends keyof MathMLElementTagNameMap>(qualifiedName: K): HTMLCollectionOf<MathMLElementTagNameMap[K]>;
    /** @deprecated */
    getElementsByTagName<K extends keyof HTMLElementDeprecatedTagNameMap>(qualifiedName: K): HTMLCollectionOf<HTMLElementDeprecatedTagNameMap[K]>;
    getElementsByTagName(qualifiedName: string): HTMLCollectionOf<Element>;
    /**
     * The **`Element.getElementsByTagNameNS()`** method returns a live HTMLCollection of elements with the given tag name belonging to the given namespace. It is similar to Document.getElementsByTagNameNS, except that its search is restricted to descendants of the specified element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getElementsByTagNameNS)
     */
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/1999/xhtml", localName: string): HTMLCollectionOf<HTMLElement>;
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/2000/svg", localName: string): HTMLCollectionOf<SVGElement>;
    getElementsByTagNameNS(namespaceURI: "http://www.w3.org/1998/Math/MathML", localName: string): HTMLCollectionOf<MathMLElement>;
    getElementsByTagNameNS(namespace: string | null, localName: string): HTMLCollectionOf<Element>;
    /**
     * The **`getHTML()`** method of the Element interface is used to serialize an element's DOM to an HTML string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/getHTML)
     */
    getHTML(options?: GetHTMLOptions): string;
    /**
     * The **`Element.hasAttribute()`** method returns a Boolean value indicating whether the specified element has the specified attribute or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/hasAttribute)
     */
    hasAttribute(qualifiedName: string): boolean;
    /**
     * The **`hasAttributeNS()`** method of the Element interface returns a boolean value indicating whether the current element has the specified attribute with the specified namespace.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/hasAttributeNS)
     */
    hasAttributeNS(namespace: string | null, localName: string): boolean;
    /**
     * The **`hasAttributes()`** method of the Element interface returns a boolean value indicating whether the current element has any attributes or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/hasAttributes)
     */
    hasAttributes(): boolean;
    /**
     * The **`hasPointerCapture()`** method of the Element interface checks whether the element on which it is invoked has pointer capture for the pointer identified by the given pointer ID.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/hasPointerCapture)
     */
    hasPointerCapture(pointerId: number): boolean;
    /**
     * The **`insertAdjacentElement()`** method of the Element interface inserts a given element node at a given position relative to the element it is invoked upon.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentElement)
     */
    insertAdjacentElement(where: InsertPosition, element: Element): Element | null;
    /**
     * The **`insertAdjacentHTML()`** method of the Element interface parses the specified input as HTML or XML and inserts the resulting nodes into the DOM tree at a specified position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentHTML)
     */
    insertAdjacentHTML(position: InsertPosition, string: string): void;
    /**
     * The **`insertAdjacentText()`** method of the Element interface, given a relative position and a string, inserts a new text node at the given position relative to the element it is called from.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentText)
     */
    insertAdjacentText(where: InsertPosition, data: string): void;
    /**
     * The **`matches()`** method of the Element interface tests whether the element would be selected by the specified CSS selector.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/matches)
     */
    matches<K extends keyof HTMLElementTagNameMap>(selectors: K): this is HTMLElementTagNameMap[K];
    matches<K extends keyof SVGElementTagNameMap>(selectors: K): this is SVGElementTagNameMap[K];
    matches<K extends keyof MathMLElementTagNameMap>(selectors: K): this is MathMLElementTagNameMap[K];
    matches(selectors: string): boolean;
    /**
     * The **`releasePointerCapture()`** method of the Element interface releases (stops) pointer capture that was previously set for a specific (PointerEvent) pointer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/releasePointerCapture)
     */
    releasePointerCapture(pointerId: number): void;
    /**
     * The Element method **`removeAttribute()`** removes the attribute with the specified name from the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/removeAttribute)
     */
    removeAttribute(qualifiedName: string): void;
    /**
     * The **`removeAttributeNS()`** method of the Element interface removes the specified attribute with the specified namespace from an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/removeAttributeNS)
     */
    removeAttributeNS(namespace: string | null, localName: string): void;
    /**
     * The **`removeAttributeNode()`** method of the Element interface removes the specified Attr node from the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/removeAttributeNode)
     */
    removeAttributeNode(attr: Attr): Attr;
    /**
     * The **`Element.requestFullscreen()`** method issues an asynchronous request to make the element be displayed in fullscreen mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/requestFullscreen)
     */
    requestFullscreen(options?: FullscreenOptions): Promise<void>;
    /**
     * The **`requestPointerLock()`** method of the Element interface lets you asynchronously ask for the pointer to be locked on the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/requestPointerLock)
     */
    requestPointerLock(options?: PointerLockOptions): Promise<void>;
    /**
     * The **`scroll()`** method of the Element interface scrolls the element to a particular set of coordinates inside a given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scroll)
     */
    scroll(options?: ScrollToOptions): void;
    scroll(x: number, y: number): void;
    /**
     * The **`scrollBy()`** method of the Element interface scrolls an element by the given amount.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollBy)
     */
    scrollBy(options?: ScrollToOptions): void;
    scrollBy(x: number, y: number): void;
    /**
     * The Element interface's **`scrollIntoView()`** method scrolls the element's ancestor containers such that the element on which scrollIntoView() is called is visible to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollIntoView)
     */
    scrollIntoView(arg?: boolean | ScrollIntoViewOptions): void;
    /**
     * The **`scrollTo()`** method of the Element interface scrolls to a particular set of coordinates inside a given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/scrollTo)
     */
    scrollTo(options?: ScrollToOptions): void;
    scrollTo(x: number, y: number): void;
    /**
     * The **`setAttribute()`** method of the Element interface sets the value of an attribute on the specified element. If the attribute already exists, the value is updated; otherwise a new attribute is added with the specified name and value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttribute)
     */
    setAttribute(qualifiedName: string, value: string): void;
    /**
     * The **`setAttributeNS()`** method of the Element interface adds a new attribute or changes the value of an attribute with the given namespace and name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS)
     */
    setAttributeNS(namespace: string | null, qualifiedName: string, value: string): void;
    /**
     * The **`setAttributeNode()`** method of the Element interface adds a new Attr node to the specified element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNode)
     */
    setAttributeNode(attr: Attr): Attr | null;
    /**
     * The **`setAttributeNodeNS()`** method of the Element interface adds a new namespaced Attr node to an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNodeNS)
     */
    setAttributeNodeNS(attr: Attr): Attr | null;
    /**
     * The **`setHTMLUnsafe()`** method of the Element interface is used to parse HTML input into a DocumentFragment, optionally filtering out unwanted elements and attributes, and those that don't belong in the context, and then using it to replace the element's subtree in the DOM.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setHTMLUnsafe)
     */
    setHTMLUnsafe(html: string): void;
    /**
     * The **`setPointerCapture()`** method of the Element interface is used to designate a specific element as the capture target of future pointer events. Subsequent events for the pointer will be targeted at the capture element until capture is released (via Element.releasePointerCapture() or the pointerup event is fired).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setPointerCapture)
     */
    setPointerCapture(pointerId: number): void;
    /**
     * The **`toggleAttribute()`** method of the Element interface toggles a Boolean attribute (removing it if it is present and adding it if it is not present) on the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/toggleAttribute)
     */
    toggleAttribute(qualifiedName: string, force?: boolean): boolean;
    /**
     * @deprecated This is a legacy alias of `matches`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/matches)
     */
    webkitMatchesSelector(selectors: string): boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent) */
    get textContent(): string;
    set textContent(value: string | null);
    addEventListener<K extends keyof ElementEventMap>(type: K, listener: (this: Element, ev: ElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ElementEventMap>(type: K, listener: (this: Element, ev: ElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Element: {
    prototype: Element;
    new(): Element;
};

interface ElementCSSInlineStyle {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/attributeStyleMap) */
    readonly attributeStyleMap: StylePropertyMap;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/style) */
    get style(): CSSStyleDeclaration;
    set style(cssText: string);
}

interface ElementContentEditable {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/contentEditable) */
    contentEditable: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/enterKeyHint) */
    enterKeyHint: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/inputMode) */
    inputMode: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/isContentEditable) */
    readonly isContentEditable: boolean;
}

/**
 * The **`ElementInternals`** interface of the Document Object Model gives web developers a way to allow custom elements to fully participate in HTML forms. It provides utilities for working with these elements in the same way you would work with any standard HTML form element, and also exposes the Accessibility Object Model to the element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals)
 */
interface ElementInternals extends ARIAMixin {
    /**
     * The **`form`** read-only property of the ElementInternals interface returns the HTMLFormElement associated with this element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`labels`** read-only property of the ElementInternals interface returns the labels associated with the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/labels)
     */
    readonly labels: NodeList;
    /**
     * The **`shadowRoot`** read-only property of the ElementInternals interface returns the ShadowRoot for this element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/shadowRoot)
     */
    readonly shadowRoot: ShadowRoot | null;
    /**
     * The **`states`** read-only property of the ElementInternals interface returns a CustomStateSet representing the possible states of the custom element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/states)
     */
    readonly states: CustomStateSet;
    /**
     * The **`validationMessage`** read-only property of the ElementInternals interface returns the validation message for the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the ElementInternals interface returns a ValidityState object which represents the different validity states the element can be in, with respect to constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`willValidate`** read-only property of the ElementInternals interface returns true if the element is a submittable element that is a candidate for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the ElementInternals interface checks if the element meets any constraint validation rules applied to it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the ElementInternals interface checks if the element meets any constraint validation rules applied to it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`setFormValue()`** method of the ElementInternals interface sets the element's submission value and state, communicating these to the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/setFormValue)
     */
    setFormValue(value: File | string | FormData | null, state?: File | string | FormData | null): void;
    /**
     * The **`setValidity()`** method of the ElementInternals interface sets the validity of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ElementInternals/setValidity)
     */
    setValidity(flags?: ValidityStateFlags, message?: string, anchor?: HTMLElement): void;
}

declare var ElementInternals: {
    prototype: ElementInternals;
    new(): ElementInternals;
};

/**
 * The **`EncodedAudioChunk`** interface of the WebCodecs API represents a chunk of encoded audio data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk)
 */
interface EncodedAudioChunk {
    /**
     * The **`byteLength`** read-only property of the EncodedAudioChunk interface returns the length in bytes of the encoded audio data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk/byteLength)
     */
    readonly byteLength: number;
    /**
     * The **`duration`** read-only property of the EncodedAudioChunk interface returns an integer indicating the duration of the audio in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk/duration)
     */
    readonly duration: number | null;
    /**
     * The **`timestamp`** read-only property of the EncodedAudioChunk interface returns an integer indicating the timestamp of the audio in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`type`** read-only property of the EncodedAudioChunk interface returns a value indicating whether the audio chunk is a key chunk, which does not relying on other frames for decoding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk/type)
     */
    readonly type: EncodedAudioChunkType;
    /**
     * The **`copyTo()`** method of the EncodedAudioChunk interface copies the encoded chunk of audio data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedAudioChunk/copyTo)
     */
    copyTo(destination: AllowSharedBufferSource): void;
}

declare var EncodedAudioChunk: {
    prototype: EncodedAudioChunk;
    new(init: EncodedAudioChunkInit): EncodedAudioChunk;
};

/**
 * The **`EncodedVideoChunk`** interface of the WebCodecs API represents a chunk of encoded video data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk)
 */
interface EncodedVideoChunk {
    /**
     * The **`byteLength`** read-only property of the EncodedVideoChunk interface returns the length in bytes of the encoded video data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk/byteLength)
     */
    readonly byteLength: number;
    /**
     * The **`duration`** read-only property of the EncodedVideoChunk interface returns an integer indicating the duration of the video in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk/duration)
     */
    readonly duration: number | null;
    /**
     * The **`timestamp`** read-only property of the EncodedVideoChunk interface returns an integer indicating the timestamp of the video in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`type`** read-only property of the EncodedVideoChunk interface returns a value indicating whether the video chunk is a key chunk, which does not rely on other frames for decoding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk/type)
     */
    readonly type: EncodedVideoChunkType;
    /**
     * The **`copyTo()`** method of the EncodedVideoChunk interface copies the encoded chunk of video data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EncodedVideoChunk/copyTo)
     */
    copyTo(destination: AllowSharedBufferSource): void;
}

declare var EncodedVideoChunk: {
    prototype: EncodedVideoChunk;
    new(init: EncodedVideoChunkInit): EncodedVideoChunk;
};

/**
 * The **`ErrorEvent`** interface represents events providing information related to errors in scripts or in files.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent)
 */
interface ErrorEvent extends Event {
    /**
     * The **`colno`** read-only property of the ErrorEvent interface returns an integer containing the column number of the script file on which the error occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent/colno)
     */
    readonly colno: number;
    /**
     * The **`error`** read-only property of the ErrorEvent interface returns a JavaScript value, such as an Error or DOMException, representing the error associated with this event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent/error)
     */
    readonly error: any;
    /**
     * The **`filename`** read-only property of the ErrorEvent interface returns a string containing the name of the script file in which the error occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent/filename)
     */
    readonly filename: string;
    /**
     * The **`lineno`** read-only property of the ErrorEvent interface returns an integer containing the line number of the script file on which the error occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent/lineno)
     */
    readonly lineno: number;
    /**
     * The **`message`** read-only property of the ErrorEvent interface returns a string containing a human-readable error message describing the problem.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ErrorEvent/message)
     */
    readonly message: string;
}

declare var ErrorEvent: {
    prototype: ErrorEvent;
    new(type: string, eventInitDict?: ErrorEventInit): ErrorEvent;
};

/**
 * The **`Event`** interface represents an event which takes place on an EventTarget.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event)
 */
interface Event {
    /**
     * The **`bubbles`** read-only property of the Event interface indicates whether the event bubbles up through the DOM tree or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/bubbles)
     */
    readonly bubbles: boolean;
    /**
     * The **`cancelBubble`** property of the Event interface is deprecated. Use Event.stopPropagation() instead. Setting its value to true before returning from an event handler prevents propagation of the event. In later implementations, setting this to false does nothing. See Browser compatibility for details.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/cancelBubble)
     */
    cancelBubble: boolean;
    /**
     * The **`cancelable`** read-only property of the Event interface indicates whether the event can be canceled, and therefore prevented as if the event never happened.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/cancelable)
     */
    readonly cancelable: boolean;
    /**
     * The read-only **`composed`** property of the Event interface returns a boolean value which indicates whether or not the event will propagate across the shadow DOM boundary into the standard DOM.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/composed)
     */
    readonly composed: boolean;
    /**
     * The **`currentTarget`** read-only property of the Event interface identifies the element to which the event handler has been attached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/currentTarget)
     */
    readonly currentTarget: EventTarget | null;
    /**
     * The **`defaultPrevented`** read-only property of the Event interface returns a boolean value indicating whether or not the call to Event.preventDefault() canceled the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/defaultPrevented)
     */
    readonly defaultPrevented: boolean;
    /**
     * The **`eventPhase`** read-only property of the Event interface indicates which phase of the event flow is currently being evaluated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/eventPhase)
     */
    readonly eventPhase: number;
    /**
     * The **`isTrusted`** read-only property of the Event interface is a boolean value that is true when the event was generated by the user agent (including via user actions and programmatic methods such as HTMLElement.focus()), and false when the event was dispatched via EventTarget.dispatchEvent(). The only exception is the click event, which initializes the isTrusted property to false in user agents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/isTrusted)
     */
    readonly isTrusted: boolean;
    /**
     * The Event property **`returnValue`** indicates whether the default action for this event has been prevented or not.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/returnValue)
     */
    returnValue: boolean;
    /**
     * The deprecated **`Event.srcElement`** is an alias for the Event.target property. Use Event.target instead.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/srcElement)
     */
    readonly srcElement: EventTarget | null;
    /**
     * The read-only **`target`** property of the Event interface is a reference to the object onto which the event was dispatched. It is different from Event.currentTarget when the event handler is called during the bubbling or capturing phase of the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/target)
     */
    readonly target: EventTarget | null;
    /**
     * The **`timeStamp`** read-only property of the Event interface returns the time (in milliseconds) at which the event was created.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/timeStamp)
     */
    readonly timeStamp: DOMHighResTimeStamp;
    /**
     * The **`type`** read-only property of the Event interface returns a string containing the event's type. It is set when the event is constructed and is the name commonly used to refer to the specific event, such as click, load, or error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/type)
     */
    readonly type: string;
    /**
     * The **`composedPath()`** method of the Event interface returns the event's path which is an array of the objects on which listeners will be invoked. This does not include nodes in shadow trees if the shadow root was created with its ShadowRoot.mode closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/composedPath)
     */
    composedPath(): EventTarget[];
    /**
     * The **`Event.initEvent()`** method is used to initialize the value of an event created using Document.createEvent().
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/initEvent)
     */
    initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void;
    /**
     * The **`preventDefault()`** method of the Event interface tells the user agent that the event is being explicitly handled, so its default action, such as page scrolling, link navigation, or pasting text, should not be taken.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/preventDefault)
     */
    preventDefault(): void;
    /**
     * The **`stopImmediatePropagation()`** method of the Event interface prevents other listeners of the same event from being called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/stopImmediatePropagation)
     */
    stopImmediatePropagation(): void;
    /**
     * The **`stopPropagation()`** method of the Event interface prevents further propagation of the current event in the capturing and bubbling phases. It does not, however, prevent any default behaviors from occurring; for instance, clicks on links are still processed. If you want to stop those behaviors, see the preventDefault() method. It also does not prevent propagation to other event-handlers of the current element. If you want to stop those, see stopImmediatePropagation().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Event/stopPropagation)
     */
    stopPropagation(): void;
    readonly NONE: 0;
    readonly CAPTURING_PHASE: 1;
    readonly AT_TARGET: 2;
    readonly BUBBLING_PHASE: 3;
}

declare var Event: {
    prototype: Event;
    new(type: string, eventInitDict?: EventInit): Event;
    readonly NONE: 0;
    readonly CAPTURING_PHASE: 1;
    readonly AT_TARGET: 2;
    readonly BUBBLING_PHASE: 3;
};

/**
 * The **`EventCounts`** interface of the Performance API provides the number of events that have been dispatched for each event type.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventCounts)
 */
interface EventCounts {
    forEach(callbackfn: (value: number, key: string, parent: EventCounts) => void, thisArg?: any): void;
}

declare var EventCounts: {
    prototype: EventCounts;
    new(): EventCounts;
};

interface EventListener {
    (evt: Event): void;
}

interface EventListenerObject {
    handleEvent(object: Event): void;
}

interface EventSourceEventMap {
    "error": Event;
    "message": MessageEvent;
    "open": Event;
}

/**
 * The **`EventSource`** interface is web content's interface to server-sent events.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource)
 */
interface EventSource extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/error_event) */
    onerror: ((this: EventSource, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/message_event) */
    onmessage: ((this: EventSource, ev: MessageEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/open_event) */
    onopen: ((this: EventSource, ev: Event) => any) | null;
    /**
     * The **`readyState`** read-only property of the EventSource interface returns a number representing the state of the connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/readyState)
     */
    readonly readyState: number;
    /**
     * The **`url`** read-only property of the EventSource interface returns a string representing the URL of the source.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/url)
     */
    readonly url: string;
    /**
     * The **`withCredentials`** read-only property of the EventSource interface returns a boolean value indicating whether the EventSource object was instantiated with CORS credentials set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/withCredentials)
     */
    readonly withCredentials: boolean;
    /**
     * The **`close()`** method of the EventSource interface closes the connection, if one is made, and sets the EventSource.readyState attribute to 2 (closed).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventSource/close)
     */
    close(): void;
    readonly CONNECTING: 0;
    readonly OPEN: 1;
    readonly CLOSED: 2;
    addEventListener<K extends keyof EventSourceEventMap>(type: K, listener: (this: EventSource, ev: EventSourceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: (this: EventSource, event: MessageEvent) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof EventSourceEventMap>(type: K, listener: (this: EventSource, ev: EventSourceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: (this: EventSource, event: MessageEvent) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var EventSource: {
    prototype: EventSource;
    new(url: string | URL, eventSourceInitDict?: EventSourceInit): EventSource;
    readonly CONNECTING: 0;
    readonly OPEN: 1;
    readonly CLOSED: 2;
};

/**
 * The **`EventTarget`** interface is implemented by objects that can receive events and may have listeners for them. In other words, any target of events implements the three methods associated with this interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget)
 */
interface EventTarget {
    /**
     * The **`addEventListener()`** method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/addEventListener)
     */
    addEventListener(type: string, callback: EventListenerOrEventListenerObject | null, options?: AddEventListenerOptions | boolean): void;
    /**
     * The **`dispatchEvent()`** method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually with dispatchEvent().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/dispatchEvent)
     */
    dispatchEvent(event: Event): boolean;
    /**
     * The **`removeEventListener()`** method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/removeEventListener)
     */
    removeEventListener(type: string, callback: EventListenerOrEventListenerObject | null, options?: EventListenerOptions | boolean): void;
}

declare var EventTarget: {
    prototype: EventTarget;
    new(): EventTarget;
};

/** @deprecated */
interface External {
    /** @deprecated */
    AddSearchProvider(): void;
    /** @deprecated */
    IsSearchProviderInstalled(): void;
}

/** @deprecated */
declare var External: {
    prototype: External;
    new(): External;
};

/**
 * The **`File`** interface provides information about files and allows JavaScript in a web page to access their content.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/File)
 */
interface File extends Blob {
    /**
     * The **`lastModified`** read-only property of the File interface provides the last modified date of the file as the number of milliseconds since the Unix epoch (January 1, 1970 at midnight). Files without a known last modified date return the current date.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/File/lastModified)
     */
    readonly lastModified: number;
    /**
     * The **`name`** read-only property of the File interface returns the name of the file represented by a File object. For security reasons, the path is excluded from this property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/File/name)
     */
    readonly name: string;
    /**
     * The **`webkitRelativePath`** read-only property of the File interface contains a string which specifies the file's path relative to the directory selected by the user in an <input> element with its webkitdirectory attribute set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/File/webkitRelativePath)
     */
    readonly webkitRelativePath: string;
}

declare var File: {
    prototype: File;
    new(fileBits: BlobPart[], fileName: string, options?: FilePropertyBag): File;
};

/**
 * The **`FileList`** interface represents an object of this type returned by the files property of the HTML <input> element; this lets you access the list of files selected with the <input type="file"> element. It's also used for a list of files dropped into web content when using the drag and drop API; see the DataTransfer object for details on this usage.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileList)
 */
interface FileList {
    /**
     * The **`length`** read-only property of the FileList interface returns the number of files in the FileList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileList/length)
     */
    readonly length: number;
    /**
     * The **`item()`** method of the FileList interface returns a File object representing the file at the specified index in the file list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileList/item)
     */
    item(index: number): File | null;
    [index: number]: File;
}

declare var FileList: {
    prototype: FileList;
    new(): FileList;
};

interface FileReaderEventMap {
    "abort": ProgressEvent<FileReader>;
    "error": ProgressEvent<FileReader>;
    "load": ProgressEvent<FileReader>;
    "loadend": ProgressEvent<FileReader>;
    "loadstart": ProgressEvent<FileReader>;
    "progress": ProgressEvent<FileReader>;
}

/**
 * The **`FileReader`** interface lets web applications asynchronously read the contents of files (or raw data buffers) stored on the user's computer, using File or Blob objects to specify the file or data to read.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader)
 */
interface FileReader extends EventTarget {
    /**
     * The **`error`** read-only property of the FileReader interface returns the error that occurred while reading the file.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/error)
     */
    readonly error: DOMException | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/abort_event) */
    onabort: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/error_event) */
    onerror: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/load_event) */
    onload: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/loadend_event) */
    onloadend: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/loadstart_event) */
    onloadstart: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/progress_event) */
    onprogress: ((this: FileReader, ev: ProgressEvent<FileReader>) => any) | null;
    /**
     * The **`readyState`** read-only property of the FileReader interface provides the current state of the reading operation. This will be one of the states: EMPTY, LOADING, or DONE.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/readyState)
     */
    readonly readyState: 0 | 1 | 2;
    /**
     * The **`result`** read-only property of the FileReader interface returns the file's contents. This property is only valid after the read operation is complete, and the format of the data depends on which of the methods was used to initiate the read operation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/result)
     */
    readonly result: string | ArrayBuffer | null;
    /**
     * The **`abort()`** method of the FileReader interface aborts the read operation. Upon return, the readyState will be DONE.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/abort)
     */
    abort(): void;
    /**
     * The **`readAsArrayBuffer()`** method of the FileReader interface is used to start reading the contents of a specified Blob or File. When the read operation is finished, the readyState property becomes DONE, and the loadend event is triggered. At that time, the result property contains an ArrayBuffer representing the file's data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/readAsArrayBuffer)
     */
    readAsArrayBuffer(blob: Blob): void;
    /**
     * The **`readAsBinaryString()`** method of the FileReader interface is used to start reading the contents of the specified Blob or File. When the read operation is finished, the readyState property becomes DONE, and the loadend event is triggered. At that time, the result property contains the raw binary data from the file.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/readAsBinaryString)
     */
    readAsBinaryString(blob: Blob): void;
    /**
     * The **`readAsDataURL()`** method of the FileReader interface is used to read the contents of the specified Blob or File. When the read operation is finished, the readyState property becomes DONE, and the loadend event is triggered. At that time, the result attribute contains the data as a data: URL representing the file's data as a base64 encoded string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/readAsDataURL)
     */
    readAsDataURL(blob: Blob): void;
    /**
     * The **`readAsText()`** method of the FileReader interface is used to read the contents of the specified Blob or File. When the read operation is complete, the readyState property is changed to DONE, the loadend event is triggered, and the result property contains the contents of the file as a text string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileReader/readAsText)
     */
    readAsText(blob: Blob, encoding?: string): void;
    readonly EMPTY: 0;
    readonly LOADING: 1;
    readonly DONE: 2;
    addEventListener<K extends keyof FileReaderEventMap>(type: K, listener: (this: FileReader, ev: FileReaderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof FileReaderEventMap>(type: K, listener: (this: FileReader, ev: FileReaderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var FileReader: {
    prototype: FileReader;
    new(): FileReader;
    readonly EMPTY: 0;
    readonly LOADING: 1;
    readonly DONE: 2;
};

/**
 * The File and Directory Entries API interface **`FileSystem`** is used to represent a file system. These objects can be obtained from the filesystem property on any file system entry. Some browsers offer additional APIs to create and manage file systems, such as Chrome's requestFileSystem() method.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystem)
 */
interface FileSystem {
    /**
     * The read-only **`name`** property of the FileSystem interface indicates the file system's name. This string is unique among all file systems currently exposed by the File and Directory Entries API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystem/name)
     */
    readonly name: string;
    /**
     * The read-only **`root`** property of the FileSystem interface specifies a FileSystemDirectoryEntry object representing the root directory of the file system, for use with the File and Directory Entries API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystem/root)
     */
    readonly root: FileSystemDirectoryEntry;
}

declare var FileSystem: {
    prototype: FileSystem;
    new(): FileSystem;
};

/**
 * The **`FileSystemDirectoryEntry`** interface of the File and Directory Entries API represents a directory in a file system. It provides methods which make it possible to access and manipulate the files in a directory, as well as to access the entries within the directory.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryEntry)
 */
interface FileSystemDirectoryEntry extends FileSystemEntry {
    /**
     * The FileSystemDirectoryEntry interface's method **`createReader()`** returns a FileSystemDirectoryReader object which can be used to read the entries in the directory.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryEntry/createReader)
     */
    createReader(): FileSystemDirectoryReader;
    /**
     * The FileSystemDirectoryEntry interface's method **`getDirectory()`** returns a FileSystemDirectoryEntry object corresponding to a directory contained somewhere within the directory subtree rooted at the directory on which it's called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryEntry/getDirectory)
     */
    getDirectory(path?: string | null, options?: FileSystemFlags, successCallback?: FileSystemEntryCallback, errorCallback?: ErrorCallback): void;
    /**
     * The FileSystemDirectoryEntry interface's method **`getFile()`** returns a FileSystemFileEntry object corresponding to a file contained somewhere within the directory subtree rooted at the directory on which it's called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryEntry/getFile)
     */
    getFile(path?: string | null, options?: FileSystemFlags, successCallback?: FileSystemEntryCallback, errorCallback?: ErrorCallback): void;
}

declare var FileSystemDirectoryEntry: {
    prototype: FileSystemDirectoryEntry;
    new(): FileSystemDirectoryEntry;
};

/**
 * The **`FileSystemDirectoryHandle`** interface of the File System API provides a handle to a file system directory.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle)
 */
interface FileSystemDirectoryHandle extends FileSystemHandle {
    readonly kind: "directory";
    /**
     * The **`getDirectoryHandle()`** method of the FileSystemDirectoryHandle interface returns a FileSystemDirectoryHandle for a subdirectory with the specified name within the directory handle on which the method is called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle/getDirectoryHandle)
     */
    getDirectoryHandle(name: string, options?: FileSystemGetDirectoryOptions): Promise<FileSystemDirectoryHandle>;
    /**
     * The **`getFileHandle()`** method of the FileSystemDirectoryHandle interface returns a FileSystemFileHandle for a file with the specified name, within the directory the method is called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle/getFileHandle)
     */
    getFileHandle(name: string, options?: FileSystemGetFileOptions): Promise<FileSystemFileHandle>;
    /**
     * The **`removeEntry()`** method of the FileSystemDirectoryHandle interface attempts to remove an entry if the directory handle contains a file or directory called the name specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle/removeEntry)
     */
    removeEntry(name: string, options?: FileSystemRemoveOptions): Promise<void>;
    /**
     * The **`resolve()`** method of the FileSystemDirectoryHandle interface returns an Array of directory names from the parent handle to the specified child entry, with the name of the child entry as the last array item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle/resolve)
     */
    resolve(possibleDescendant: FileSystemHandle): Promise<string[] | null>;
}

declare var FileSystemDirectoryHandle: {
    prototype: FileSystemDirectoryHandle;
    new(): FileSystemDirectoryHandle;
};

/**
 * The **`FileSystemDirectoryReader`** interface of the File and Directory Entries API lets you access the FileSystemFileEntry-based objects (generally FileSystemFileEntry or FileSystemDirectoryEntry) representing each entry in a directory.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryReader)
 */
interface FileSystemDirectoryReader {
    /**
     * The FileSystemDirectoryReader interface's **`readEntries()`** method retrieves the directory entries within the directory being read and delivers them in an array to a provided callback function.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryReader/readEntries)
     */
    readEntries(successCallback: FileSystemEntriesCallback, errorCallback?: ErrorCallback): void;
}

declare var FileSystemDirectoryReader: {
    prototype: FileSystemDirectoryReader;
    new(): FileSystemDirectoryReader;
};

/**
 * The **`FileSystemEntry`** interface of the File and Directory Entries API represents a single entry in a file system. The entry can be a file or a directory (directories are represented by the FileSystemDirectoryEntry interface). It includes methods for working with files—including copying, moving, removing, and reading files—as well as information about a file it points to—including the file name and its path from the root to the entry.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry)
 */
interface FileSystemEntry {
    /**
     * The read-only **`filesystem`** property of the FileSystemEntry interface contains a FileSystem object that represents the file system on which the entry resides.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/filesystem)
     */
    readonly filesystem: FileSystem;
    /**
     * The read-only **`fullPath`** property of the FileSystemEntry interface returns a string specifying the full, absolute path from the file system's root to the file represented by the entry.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/fullPath)
     */
    readonly fullPath: string;
    /**
     * The read-only **`isDirectory`** property of the FileSystemEntry interface is true if the entry represents a directory (meaning it's a FileSystemDirectoryEntry) and false if it's not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/isDirectory)
     */
    readonly isDirectory: boolean;
    /**
     * The read-only **`isFile`** property of the FileSystemEntry interface is true if the entry represents a file (meaning it's a FileSystemFileEntry) and false if it's not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/isFile)
     */
    readonly isFile: boolean;
    /**
     * The read-only **`name`** property of the FileSystemEntry interface returns a string specifying the entry's name; this is the entry within its parent directory (the last component of the path as indicated by the fullPath property).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/name)
     */
    readonly name: string;
    /**
     * The FileSystemEntry interface's method **`getParent()`** obtains a FileSystemDirectoryEntry.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemEntry/getParent)
     */
    getParent(successCallback?: FileSystemEntryCallback, errorCallback?: ErrorCallback): void;
}

declare var FileSystemEntry: {
    prototype: FileSystemEntry;
    new(): FileSystemEntry;
};

/**
 * The **`FileSystemFileEntry`** interface of the File and Directory Entries API represents a file in a file system. It offers properties describing the file's attributes, as well as the file() method, which creates a File object that can be used to read the file.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemFileEntry)
 */
interface FileSystemFileEntry extends FileSystemEntry {
    /**
     * The FileSystemFileEntry interface's method **`file()`** returns a File object which can be used to read data from the file represented by the directory entry.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemFileEntry/file)
     */
    file(successCallback: FileCallback, errorCallback?: ErrorCallback): void;
}

declare var FileSystemFileEntry: {
    prototype: FileSystemFileEntry;
    new(): FileSystemFileEntry;
};

/**
 * The **`FileSystemFileHandle`** interface of the File System API represents a handle to a file system entry. The interface is accessed through the window.showOpenFilePicker() method.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemFileHandle)
 */
interface FileSystemFileHandle extends FileSystemHandle {
    readonly kind: "file";
    /**
     * The **`createWritable()`** method of the FileSystemFileHandle interface creates a FileSystemWritableFileStream that can be used to write to a file. The method returns a Promise which resolves to this created stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemFileHandle/createWritable)
     */
    createWritable(options?: FileSystemCreateWritableOptions): Promise<FileSystemWritableFileStream>;
    /**
     * The **`getFile()`** method of the FileSystemFileHandle interface returns a Promise which resolves to a File object representing the state on disk of the entry represented by the handle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemFileHandle/getFile)
     */
    getFile(): Promise<File>;
}

declare var FileSystemFileHandle: {
    prototype: FileSystemFileHandle;
    new(): FileSystemFileHandle;
};

/**
 * The **`FileSystemHandle`** interface of the File System API is an object which represents a file or directory entry. Multiple handles can represent the same entry. For the most part you do not work with FileSystemHandle directly but rather its child interfaces FileSystemFileHandle and FileSystemDirectoryHandle.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemHandle)
 */
interface FileSystemHandle {
    /**
     * The **`kind`** read-only property of the FileSystemHandle interface returns the type of entry. This is 'file' if the associated entry is a file or 'directory'. It is used to distinguish files from directories when iterating over the contents of a directory.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemHandle/kind)
     */
    readonly kind: FileSystemHandleKind;
    /**
     * The **`name`** read-only property of the FileSystemHandle interface returns the name of the entry represented by handle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemHandle/name)
     */
    readonly name: string;
    /**
     * The **`isSameEntry()`** method of the FileSystemHandle interface compares two handles to see if the associated entries (either a file or directory) match.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemHandle/isSameEntry)
     */
    isSameEntry(other: FileSystemHandle): Promise<boolean>;
}

declare var FileSystemHandle: {
    prototype: FileSystemHandle;
    new(): FileSystemHandle;
};

/**
 * The **`FileSystemWritableFileStream`** interface of the File System API is a WritableStream object with additional convenience methods, which operates on a single file on disk. The interface is accessed through the FileSystemFileHandle.createWritable() method.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemWritableFileStream)
 */
interface FileSystemWritableFileStream extends WritableStream {
    /**
     * The **`seek()`** method of the FileSystemWritableFileStream interface updates the current file cursor offset to the position (in bytes) specified when calling the method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemWritableFileStream/seek)
     */
    seek(position: number): Promise<void>;
    /**
     * The **`truncate()`** method of the FileSystemWritableFileStream interface resizes the file associated with the stream to the specified size in bytes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemWritableFileStream/truncate)
     */
    truncate(size: number): Promise<void>;
    /**
     * The **`write()`** method of the FileSystemWritableFileStream interface writes content into the file the method is called on, at the current file cursor offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FileSystemWritableFileStream/write)
     */
    write(data: FileSystemWriteChunkType): Promise<void>;
}

declare var FileSystemWritableFileStream: {
    prototype: FileSystemWritableFileStream;
    new(): FileSystemWritableFileStream;
};

/**
 * The **`FocusEvent`** interface represents focus-related events, including focus, blur, focusin, and focusout.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FocusEvent)
 */
interface FocusEvent extends UIEvent {
    /**
     * The **`relatedTarget`** read-only property of the FocusEvent interface is the secondary target, depending on the type of event:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FocusEvent/relatedTarget)
     */
    readonly relatedTarget: EventTarget | null;
}

declare var FocusEvent: {
    prototype: FocusEvent;
    new(type: string, eventInitDict?: FocusEventInit): FocusEvent;
};

/**
 * The **`FontFace`** interface of the CSS Font Loading API represents a single usable font face.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace)
 */
interface FontFace {
    /**
     * The **`ascentOverride`** property of the FontFace interface returns and sets the ascent metric for the font, the height above the baseline that CSS uses to lay out line boxes in an inline formatting context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/ascentOverride)
     */
    ascentOverride: string;
    /**
     * The **`descentOverride`** property of the FontFace interface returns and sets the value of the descent-override descriptor. The possible values are normal, indicating that the metric used should be obtained from the font file, or a percentage.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/descentOverride)
     */
    descentOverride: string;
    /**
     * The **`display`** property of the FontFace interface determines how a font face is displayed based on whether and when it is downloaded and ready to use. This property is equivalent to the CSS font-display descriptor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/display)
     */
    display: FontDisplay;
    /**
     * The **`FontFace.family`** property allows the author to get or set the font family of a FontFace object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/family)
     */
    family: string;
    /**
     * The **`featureSettings`** property of the FontFace interface retrieves or sets infrequently used font features that are not available from a font's variant properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/featureSettings)
     */
    featureSettings: string;
    /**
     * The **`lineGapOverride`** property of the FontFace interface returns and sets the value of the line-gap-override descriptor. The possible values are normal, indicating that the metric used should be obtained from the font file, or a percentage.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/lineGapOverride)
     */
    lineGapOverride: string;
    /**
     * The **`loaded`** read-only property of the FontFace interface returns a Promise that resolves with the current FontFace object when the font specified in the object's constructor is done loading or rejects with a SyntaxError.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/loaded)
     */
    readonly loaded: Promise<FontFace>;
    /**
     * The **`status`** read-only property of the FontFace interface returns an enumerated value indicating the status of the font, one of "unloaded", "loading", "loaded", or "error".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/status)
     */
    readonly status: FontFaceLoadStatus;
    /**
     * The **`stretch`** property of the FontFace interface retrieves or sets how the font stretches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/stretch)
     */
    stretch: string;
    /**
     * The **`style`** property of the FontFace interface retrieves or sets the font's style.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/style)
     */
    style: string;
    /**
     * The **`unicodeRange`** property of the FontFace interface retrieves or sets the range of unicode code points encompassing the font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/unicodeRange)
     */
    unicodeRange: string;
    /**
     * The **`variationSettings`** property of the FontFace interface retrieves or sets low-level OpenType or TrueType font variations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/variationSettings)
     */
    variationSettings: string;
    /**
     * The **`weight`** property of the FontFace interface retrieves or sets the weight of the font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/weight)
     */
    weight: string;
    /**
     * The **`load()`** method of the FontFace interface requests and loads a font whose source was specified as a URL. It returns a Promise that resolves with the current FontFace object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFace/load)
     */
    load(): Promise<FontFace>;
}

declare var FontFace: {
    prototype: FontFace;
    new(family: string, source: string | BufferSource, descriptors?: FontFaceDescriptors): FontFace;
};

interface FontFaceSetEventMap {
    "loading": FontFaceSetLoadEvent;
    "loadingdone": FontFaceSetLoadEvent;
    "loadingerror": FontFaceSetLoadEvent;
}

/**
 * The **`FontFaceSet`** interface of the CSS Font Loading API manages the loading of font-faces and querying of their download status.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet)
 */
interface FontFaceSet extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/loading_event) */
    onloading: ((this: FontFaceSet, ev: FontFaceSetLoadEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/loadingdone_event) */
    onloadingdone: ((this: FontFaceSet, ev: FontFaceSetLoadEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/loadingerror_event) */
    onloadingerror: ((this: FontFaceSet, ev: FontFaceSetLoadEvent) => any) | null;
    /**
     * The **`ready`** read-only property of the FontFaceSet interface returns a Promise that resolves to the given FontFaceSet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/ready)
     */
    readonly ready: Promise<FontFaceSet>;
    /**
     * The **`status`** read-only property of the FontFaceSet interface returns the loading state of the fonts in the set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/status)
     */
    readonly status: FontFaceSetLoadStatus;
    /**
     * The **`check()`** method of the FontFaceSet returns true if you can render some text using the given font specification without attempting to use any fonts in this FontFaceSet that are not yet fully loaded. This means you can use the font specification without causing a font swap.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/check)
     */
    check(font: string, text?: string): boolean;
    /**
     * The **`load()`** method of the FontFaceSet forces all the fonts given in parameters to be loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSet/load)
     */
    load(font: string, text?: string): Promise<FontFace[]>;
    forEach(callbackfn: (value: FontFace, key: FontFace, parent: FontFaceSet) => void, thisArg?: any): void;
    addEventListener<K extends keyof FontFaceSetEventMap>(type: K, listener: (this: FontFaceSet, ev: FontFaceSetEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof FontFaceSetEventMap>(type: K, listener: (this: FontFaceSet, ev: FontFaceSetEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var FontFaceSet: {
    prototype: FontFaceSet;
    new(): FontFaceSet;
};

/**
 * The **`FontFaceSetLoadEvent`** interface of the CSS Font Loading API represents events fired at a FontFaceSet after it starts loading font faces.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent)
 */
interface FontFaceSetLoadEvent extends Event {
    /**
     * The **`fontfaces`** read-only property of the FontFaceSetLoadEvent interface returns an array of FontFace instances, each of which represents a single usable font.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent/fontfaces)
     */
    readonly fontfaces: ReadonlyArray<FontFace>;
}

declare var FontFaceSetLoadEvent: {
    prototype: FontFaceSetLoadEvent;
    new(type: string, eventInitDict?: FontFaceSetLoadEventInit): FontFaceSetLoadEvent;
};

interface FontFaceSource {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/fonts) */
    readonly fonts: FontFaceSet;
}

/**
 * The **`FormData`** interface provides a way to construct a set of key/value pairs representing form fields and their values, which can be sent using the fetch(), XMLHttpRequest.send() or navigator.sendBeacon() methods. It uses the same format a form would use if the encoding type were set to "multipart/form-data".
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData)
 */
interface FormData {
    /**
     * The **`append()`** method of the FormData interface appends a new value onto an existing key inside a FormData object, or adds the key if it does not already exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/append)
     */
    append(name: string, value: string | Blob): void;
    append(name: string, value: string): void;
    append(name: string, blobValue: Blob, filename?: string): void;
    /**
     * The **`delete()`** method of the FormData interface deletes a key and its value(s) from a FormData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/delete)
     */
    delete(name: string): void;
    /**
     * The **`get()`** method of the FormData interface returns the first value associated with a given key from within a FormData object. If you expect multiple values and want all of them, use the getAll() method instead.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/get)
     */
    get(name: string): FormDataEntryValue | null;
    /**
     * The **`getAll()`** method of the FormData interface returns all the values associated with a given key from within a FormData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/getAll)
     */
    getAll(name: string): FormDataEntryValue[];
    /**
     * The **`has()`** method of the FormData interface returns whether a FormData object contains a certain key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/has)
     */
    has(name: string): boolean;
    /**
     * The **`set()`** method of the FormData interface sets a new value for an existing key inside a FormData object, or adds the key/value if it does not already exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormData/set)
     */
    set(name: string, value: string | Blob): void;
    set(name: string, value: string): void;
    set(name: string, blobValue: Blob, filename?: string): void;
    forEach(callbackfn: (value: FormDataEntryValue, key: string, parent: FormData) => void, thisArg?: any): void;
}

declare var FormData: {
    prototype: FormData;
    new(form?: HTMLFormElement, submitter?: HTMLElement | null): FormData;
};

/**
 * The **`FormDataEvent`** interface represents a formdata event — such an event is fired on an HTMLFormElement object after the entry list representing the form's data is constructed. This happens when the form is submitted, but can also be triggered by the invocation of a FormData() constructor.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormDataEvent)
 */
interface FormDataEvent extends Event {
    /**
     * The **`formData`** read-only property of the FormDataEvent interface contains the FormData object representing the data contained in the form when the event was fired.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FormDataEvent/formData)
     */
    readonly formData: FormData;
}

declare var FormDataEvent: {
    prototype: FormDataEvent;
    new(type: string, eventInitDict: FormDataEventInit): FormDataEvent;
};

/**
 * The **`FragmentDirective`** interface is an object exposed to allow code to check whether or not a browser supports text fragments.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/FragmentDirective)
 */
interface FragmentDirective {
}

declare var FragmentDirective: {
    prototype: FragmentDirective;
    new(): FragmentDirective;
};

/**
 * The **`GPU`** interface of the WebGPU API is the starting point for using WebGPU. It can be used to return a GPUAdapter from which you can request devices, configure features and limits, and more.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPU)
 */
interface GPU {
    /**
     * The **`wgslLanguageFeatures`** read-only property of the GPU interface returns a WGSLLanguageFeatures object that reports the WGSL language extensions supported by the WebGPU implementation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPU/wgslLanguageFeatures)
     */
    readonly wgslLanguageFeatures: WGSLLanguageFeatures;
    /**
     * The **`getPreferredCanvasFormat()`** method of the GPU interface returns the optimal canvas texture format for displaying 8-bit depth, standard dynamic range content on the current system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPU/getPreferredCanvasFormat)
     */
    getPreferredCanvasFormat(): GPUTextureFormat;
    /**
     * The **`requestAdapter()`** method of the GPU interface returns a Promise that fulfills with a GPUAdapter object instance. From this you can request a GPUDevice, adapter info, features, and limits.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPU/requestAdapter)
     */
    requestAdapter(options?: GPURequestAdapterOptions): Promise<GPUAdapter | null>;
}

declare var GPU: {
    prototype: GPU;
    new(): GPU;
};

/**
 * The **`GPUAdapter`** interface of the WebGPU API represents a GPU adapter. From this you can request a GPUDevice, adapter info, features, and limits.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapter)
 */
interface GPUAdapter {
    /**
     * The **`features`** read-only property of the GPUAdapter interface returns a GPUSupportedFeatures object that describes additional functionality supported by the adapter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapter/features)
     */
    readonly features: GPUSupportedFeatures;
    /**
     * The **`info`** read-only property of the GPUAdapter interface returns a GPUAdapterInfo object containing identifying information about the adapter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapter/info)
     */
    readonly info: GPUAdapterInfo;
    /**
     * The **`limits`** read-only property of the GPUAdapter interface returns a GPUSupportedLimits object that describes the limits supported by the adapter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapter/limits)
     */
    readonly limits: GPUSupportedLimits;
    /**
     * The **`requestDevice()`** method of the GPUAdapter interface returns a Promise that fulfills with a GPUDevice object, which is the primary interface for communicating with the GPU.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapter/requestDevice)
     */
    requestDevice(descriptor?: GPUDeviceDescriptor): Promise<GPUDevice>;
}

declare var GPUAdapter: {
    prototype: GPUAdapter;
    new(): GPUAdapter;
};

/**
 * The **`GPUAdapterInfo`** interface of the WebGPU API contains identifying information about a GPUAdapter.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo)
 */
interface GPUAdapterInfo {
    /**
     * The **`architecture`** read-only property of the GPUAdapterInfo interface returns the name of the family or class of GPUs the adapter belongs to, or an empty string if it is not available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/architecture)
     */
    readonly architecture: string;
    /**
     * The **`description`** read-only property of the GPUAdapterInfo interface returns a human-readable string describing the adapter, or an empty string if it is not available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/description)
     */
    readonly description: string;
    /**
     * The **`device`** read-only property of the GPUAdapterInfo interface returns a vendor-specific identifier for the adapter, or an empty string if it is not available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/device)
     */
    readonly device: string;
    /**
     * The **`isFallbackAdapter`** read-only property of the GPUAdapterInfo interface returns true if the adapter is a fallback adapter, and false if not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/isFallbackAdapter)
     */
    readonly isFallbackAdapter: boolean;
    /**
     * The **`subgroupMaxSize`** read-only property of the GPUAdapterInfo interface returns the maximum supported subgroup size for the GPUAdapter. This can be used along with the subgroups feature.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/subgroupMaxSize)
     */
    readonly subgroupMaxSize: number;
    /**
     * The **`subgroupMinSize`** read-only property of the GPUAdapterInfo interface returns the minimum supported subgroup size for the GPUAdapter. This can be used along with the subgroups feature.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/subgroupMinSize)
     */
    readonly subgroupMinSize: number;
    /**
     * The **`vendor`** read-only property of the GPUAdapterInfo interface returns the name of the adapter vendor, or an empty string if it is not available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUAdapterInfo/vendor)
     */
    readonly vendor: string;
}

declare var GPUAdapterInfo: {
    prototype: GPUAdapterInfo;
    new(): GPUAdapterInfo;
};

/**
 * The **`GPUBindGroup`** interface of the WebGPU API is based on a GPUBindGroupLayout and defines a set of resources to be bound together in a group and how those resources are used in shader stages.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBindGroup)
 */
interface GPUBindGroup extends GPUObjectBase {
}

declare var GPUBindGroup: {
    prototype: GPUBindGroup;
    new(): GPUBindGroup;
};

/**
 * The **`GPUBindGroupLayout`** interface of the WebGPU API defines the structure and purpose of related GPU resources such as buffers that will be used in a pipeline, and is used as a template when creating GPUBindGroups.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBindGroupLayout)
 */
interface GPUBindGroupLayout extends GPUObjectBase {
}

declare var GPUBindGroupLayout: {
    prototype: GPUBindGroupLayout;
    new(): GPUBindGroupLayout;
};

interface GPUBindingCommandsMixin {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder/setBindGroup) */
    setBindGroup(index: GPUIndex32, bindGroup: GPUBindGroup | null, dynamicOffsets?: GPUBufferDynamicOffset[]): void;
    setBindGroup(index: GPUIndex32, bindGroup: GPUBindGroup | null, dynamicOffsetsData: Uint32Array<ArrayBufferLike>, dynamicOffsetsDataStart: GPUSize64, dynamicOffsetsDataLength: GPUSize32): void;
}

/**
 * The **`GPUBuffer`** interface of the WebGPU API represents a block of memory that can be used to store raw data to use in GPU operations.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer)
 */
interface GPUBuffer extends GPUObjectBase {
    /**
     * The **`mapState`** read-only property of the GPUBuffer interface represents the mapped state of the GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/mapState)
     */
    readonly mapState: GPUBufferMapState;
    /**
     * The **`size`** read-only property of the GPUBuffer interface represents the length of the GPUBuffer's memory allocation, in bytes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/size)
     */
    readonly size: GPUSize64Out;
    /**
     * The **`usage`** read-only property of the GPUBuffer interface contains the bitwise flags representing the allowed usages of the GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/usage)
     */
    readonly usage: GPUFlagsConstant;
    /**
     * The **`destroy()`** method of the GPUBuffer interface destroys the GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/destroy)
     */
    destroy(): void;
    /**
     * The **`getMappedRange()`** method of the GPUBuffer interface returns an ArrayBuffer containing the mapped contents of the GPUBuffer in the specified range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/getMappedRange)
     */
    getMappedRange(offset?: GPUSize64, size?: GPUSize64): ArrayBuffer;
    /**
     * The **`mapAsync()`** method of the GPUBuffer interface maps the specified range of the GPUBuffer. It returns a Promise that resolves when the GPUBuffer's content is ready to be accessed. While the GPUBuffer is mapped it cannot be used in any GPU commands.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/mapAsync)
     */
    mapAsync(mode: GPUMapModeFlags, offset?: GPUSize64, size?: GPUSize64): Promise<void>;
    /**
     * The **`unmap()`** method of the GPUBuffer interface unmaps the mapped range of the GPUBuffer, making its contents available for use by the GPU again after it has previously been mapped with GPUBuffer.mapAsync() (the GPU cannot access a mapped GPUBuffer).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBuffer/unmap)
     */
    unmap(): void;
}

declare var GPUBuffer: {
    prototype: GPUBuffer;
    new(): GPUBuffer;
};

/**
 * The **`GPUCanvasContext`** interface of the WebGPU API represents the WebGPU rendering context of a <canvas> element, returned via an HTMLCanvasElement.getContext() call with a contextType of "webgpu".
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext)
 */
interface GPUCanvasContext {
    /**
     * The **`canvas`** read-only property of the GPUCanvasContext interface returns a reference to the canvas that the context was created from.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext/canvas)
     */
    readonly canvas: HTMLCanvasElement | OffscreenCanvas;
    /**
     * The **`configure()`** method of the GPUCanvasContext interface configures the context to use for rendering with a given GPUDevice. When called the canvas will initially be cleared to transparent black.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext/configure)
     */
    configure(configuration: GPUCanvasConfiguration): void;
    /**
     * The **`getConfiguration()`** method of the GPUCanvasContext interface returns the current configuration set for the context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext/getConfiguration)
     */
    getConfiguration(): GPUCanvasConfiguration | null;
    /**
     * The **`getCurrentTexture()`** method of the GPUCanvasContext interface returns the next GPUTexture to be composited to the document by the canvas context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext/getCurrentTexture)
     */
    getCurrentTexture(): GPUTexture;
    /**
     * The **`unconfigure()`** method of the GPUCanvasContext interface removes any previously-set context configuration, and destroys any textures returned via getCurrentTexture() while the canvas context was configured.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCanvasContext/unconfigure)
     */
    unconfigure(): void;
}

declare var GPUCanvasContext: {
    prototype: GPUCanvasContext;
    new(): GPUCanvasContext;
};

/**
 * The **`GPUCommandBuffer`** interface of the WebGPU API represents a pre-recorded list of GPU commands that can be submitted to a GPUQueue for execution.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandBuffer)
 */
interface GPUCommandBuffer extends GPUObjectBase {
}

declare var GPUCommandBuffer: {
    prototype: GPUCommandBuffer;
    new(): GPUCommandBuffer;
};

/**
 * The **`GPUCommandEncoder`** interface of the WebGPU API represents an encoder that collects a sequence of GPU commands to be issued to the GPU.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder)
 */
interface GPUCommandEncoder extends GPUDebugCommandsMixin, GPUObjectBase {
    /**
     * The **`beginComputePass()`** method of the GPUCommandEncoder interface starts encoding a compute pass, returning a GPUComputePassEncoder that can be used to control computation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/beginComputePass)
     */
    beginComputePass(descriptor?: GPUComputePassDescriptor): GPUComputePassEncoder;
    /**
     * The **`beginRenderPass()`** method of the GPUCommandEncoder interface starts encoding a render pass, returning a GPURenderPassEncoder that can be used to control rendering.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/beginRenderPass)
     */
    beginRenderPass(descriptor: GPURenderPassDescriptor): GPURenderPassEncoder;
    /**
     * The **`clearBuffer()`** method of the GPUCommandEncoder interface encodes a command that fills a region of a GPUBuffer with zeroes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/clearBuffer)
     */
    clearBuffer(buffer: GPUBuffer, offset?: GPUSize64, size?: GPUSize64): void;
    /**
     * The **`copyBufferToBuffer()`** method of the GPUCommandEncoder interface encodes a command that copies data from one GPUBuffer to another.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/copyBufferToBuffer)
     */
    copyBufferToBuffer(source: GPUBuffer, destination: GPUBuffer, size?: GPUSize64): void;
    copyBufferToBuffer(source: GPUBuffer, sourceOffset: GPUSize64, destination: GPUBuffer, destinationOffset: GPUSize64, size?: GPUSize64): void;
    /**
     * The **`copyBufferToTexture()`** method of the GPUCommandEncoder interface encodes a command that copies data from a GPUBuffer to a GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/copyBufferToTexture)
     */
    copyBufferToTexture(source: GPUTexelCopyBufferInfo, destination: GPUTexelCopyTextureInfo, copySize: GPUExtent3D): void;
    /**
     * The **`copyTextureToBuffer()`** method of the GPUCommandEncoder interface encodes a command that copies data from a GPUTexture to a GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/copyTextureToBuffer)
     */
    copyTextureToBuffer(source: GPUTexelCopyTextureInfo, destination: GPUTexelCopyBufferInfo, copySize: GPUExtent3D): void;
    /**
     * The **`copyTextureToTexture()`** method of the GPUCommandEncoder interface encodes a command that copies data from one GPUTexture to another.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/copyTextureToTexture)
     */
    copyTextureToTexture(source: GPUTexelCopyTextureInfo, destination: GPUTexelCopyTextureInfo, copySize: GPUExtent3D): void;
    /**
     * The **`finish()`** method of the GPUCommandEncoder interface completes recording of the command sequence encoded on this GPUCommandEncoder, returning a corresponding GPUCommandBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/finish)
     */
    finish(descriptor?: GPUCommandBufferDescriptor): GPUCommandBuffer;
    /**
     * The **`resolveQuerySet()`** method of the GPUCommandEncoder interface encodes a command that resolves a GPUQuerySet, copying the results into a specified GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/resolveQuerySet)
     */
    resolveQuerySet(querySet: GPUQuerySet, firstQuery: GPUSize32, queryCount: GPUSize32, destination: GPUBuffer, destinationOffset: GPUSize64): void;
}

declare var GPUCommandEncoder: {
    prototype: GPUCommandEncoder;
    new(): GPUCommandEncoder;
};

/**
 * The **`GPUCompilationInfo`** interface of the WebGPU API represents an array of GPUCompilationMessage objects generated by the GPU shader module compiler to help diagnose problems with shader code.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationInfo)
 */
interface GPUCompilationInfo {
    /**
     * The **`messages`** read-only property of the GPUCompilationInfo interface is an array of GPUCompilationMessage objects, each one containing the details of an individual shader compilation message. Messages can be informational, warnings, or errors.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationInfo/messages)
     */
    readonly messages: ReadonlyArray<GPUCompilationMessage>;
}

declare var GPUCompilationInfo: {
    prototype: GPUCompilationInfo;
    new(): GPUCompilationInfo;
};

/**
 * The **`GPUCompilationMessage`** interface of the WebGPU API represents a single informational, warning, or error message generated by the GPU shader module compiler.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage)
 */
interface GPUCompilationMessage {
    /**
     * The **`length`** read-only property of the GPUCompilationMessage interface is a number representing the length of the substring that the message corresponds to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/length)
     */
    readonly length: number;
    /**
     * The **`lineNum`** read-only property of the GPUCompilationMessage interface is a number representing the line number in the shader code that the message corresponds to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/lineNum)
     */
    readonly lineNum: number;
    /**
     * The **`linePos`** read-only property of the GPUCompilationMessage interface is a number representing the position in the code line that the message corresponds to. This could be an exact point, or the start of the relevant substring.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/linePos)
     */
    readonly linePos: number;
    /**
     * The **`message`** read-only property of the GPUCompilationMessage interface is a string representing human-readable message text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/message)
     */
    readonly message: string;
    /**
     * The **`offset`** read-only property of the GPUCompilationMessage interface is a number representing the offset from the start of the shader code to the exact point, or the start of the relevant substring, that the message corresponds to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/offset)
     */
    readonly offset: number;
    /**
     * The **`type`** read-only property of the GPUCompilationMessage interface is an enumerated value representing the type of the message. Each type represents a different severity level.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCompilationMessage/type)
     */
    readonly type: GPUCompilationMessageType;
}

declare var GPUCompilationMessage: {
    prototype: GPUCompilationMessage;
    new(): GPUCompilationMessage;
};

/**
 * The **`GPUComputePassEncoder`** interface of the WebGPU API encodes commands related to controlling the compute shader stage, as issued by a GPUComputePipeline. It forms part of the overall encoding activity of a GPUCommandEncoder.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder)
 */
interface GPUComputePassEncoder extends GPUBindingCommandsMixin, GPUDebugCommandsMixin, GPUObjectBase {
    /**
     * The **`dispatchWorkgroups()`** method of the GPUComputePassEncoder interface dispatches a specific grid of workgroups to perform the work being done by the current GPUComputePipeline (i.e., set via GPUComputePassEncoder.setPipeline()).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder/dispatchWorkgroups)
     */
    dispatchWorkgroups(workgroupCountX: GPUSize32, workgroupCountY?: GPUSize32, workgroupCountZ?: GPUSize32): void;
    /**
     * The **`dispatchWorkgroupsIndirect()`** method of the GPUComputePassEncoder interface dispatches a grid of workgroups, defined by the parameters of a GPUBuffer, to perform the work being done by the current GPUComputePipeline (i.e., set via GPUComputePassEncoder.setPipeline()).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder/dispatchWorkgroupsIndirect)
     */
    dispatchWorkgroupsIndirect(indirectBuffer: GPUBuffer, indirectOffset: GPUSize64): void;
    /**
     * The **`end()`** method of the GPUComputePassEncoder interface completes recording of the current compute pass command sequence.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder/end)
     */
    end(): void;
    /**
     * The **`setPipeline()`** method of the GPUComputePassEncoder interface sets the GPUComputePipeline to use for this compute pass.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePassEncoder/setPipeline)
     */
    setPipeline(pipeline: GPUComputePipeline): void;
}

declare var GPUComputePassEncoder: {
    prototype: GPUComputePassEncoder;
    new(): GPUComputePassEncoder;
};

/**
 * The **`GPUComputePipeline`** interface of the WebGPU API represents a pipeline that controls the compute shader stage and can be used in a GPUComputePassEncoder.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePipeline)
 */
interface GPUComputePipeline extends GPUObjectBase, GPUPipelineBase {
}

declare var GPUComputePipeline: {
    prototype: GPUComputePipeline;
    new(): GPUComputePipeline;
};

interface GPUDebugCommandsMixin {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/insertDebugMarker) */
    insertDebugMarker(markerLabel: string): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/popDebugGroup) */
    popDebugGroup(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUCommandEncoder/pushDebugGroup) */
    pushDebugGroup(groupLabel: string): void;
}

interface GPUDeviceEventMap {
    "uncapturederror": GPUUncapturedErrorEvent;
}

/**
 * The **`GPUDevice`** interface of the WebGPU API represents a logical GPU device. This is the main interface through which the majority of WebGPU functionality is accessed.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice)
 */
interface GPUDevice extends EventTarget, GPUObjectBase {
    /**
     * The **`adapterInfo`** read-only property of the GPUDevice interface returns a GPUAdapterInfo object containing identifying information about the device's originating adapter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/adapterInfo)
     */
    readonly adapterInfo: GPUAdapterInfo;
    /**
     * The **`features`** read-only property of the GPUDevice interface returns a GPUSupportedFeatures object that describes additional functionality supported by the device. Only features requested during the creation of the device (i.e., when GPUAdapter.requestDevice() is called) are included.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/features)
     */
    readonly features: GPUSupportedFeatures;
    /**
     * The **`limits`** read-only property of the GPUDevice interface returns a GPUSupportedLimits object that describes the limits supported by the device. All limit values will be included, and the limits requested during the creation of the device (i.e., when GPUAdapter.requestDevice() is called) will be reflected in those values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/limits)
     */
    readonly limits: GPUSupportedLimits;
    /**
     * The **`lost`** read-only property of the GPUDevice interface contains a Promise that remains pending throughout the device's lifetime and resolves with a GPUDeviceLostInfo object when the device is lost.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/lost)
     */
    readonly lost: Promise<GPUDeviceLostInfo>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/uncapturederror_event) */
    onuncapturederror: ((this: GPUDevice, ev: GPUUncapturedErrorEvent) => any) | null;
    /**
     * The **`queue`** read-only property of the GPUDevice interface returns the primary GPUQueue for the device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/queue)
     */
    readonly queue: GPUQueue;
    /**
     * The **`createBindGroup()`** method of the GPUDevice interface creates a GPUBindGroup based on a GPUBindGroupLayout that defines a set of resources to be bound together in a group and how those resources are used in shader stages.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createBindGroup)
     */
    createBindGroup(descriptor: GPUBindGroupDescriptor): GPUBindGroup;
    /**
     * The **`createBindGroupLayout()`** method of the GPUDevice interface creates a GPUBindGroupLayout that defines the structure and purpose of related GPU resources such as buffers that will be used in a pipeline, and is used as a template when creating GPUBindGroups.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createBindGroupLayout)
     */
    createBindGroupLayout(descriptor: GPUBindGroupLayoutDescriptor): GPUBindGroupLayout;
    /**
     * The **`createBuffer()`** method of the GPUDevice interface creates a GPUBuffer in which to store raw data to use in GPU operations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createBuffer)
     */
    createBuffer(descriptor: GPUBufferDescriptor): GPUBuffer;
    /**
     * The **`createCommandEncoder()`** method of the GPUDevice interface creates a GPUCommandEncoder, used to encode commands to be issued to the GPU.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createCommandEncoder)
     */
    createCommandEncoder(descriptor?: GPUCommandEncoderDescriptor): GPUCommandEncoder;
    /**
     * The **`createComputePipeline()`** method of the GPUDevice interface creates a GPUComputePipeline that can control the compute shader stage and be used in a GPUComputePassEncoder.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createComputePipeline)
     */
    createComputePipeline(descriptor: GPUComputePipelineDescriptor): GPUComputePipeline;
    /**
     * The **`createComputePipelineAsync()`** method of the GPUDevice interface returns a Promise that fulfills with a GPUComputePipeline, which can control the compute shader stage and be used in a GPUComputePassEncoder, once the pipeline can be used without any stalling.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createComputePipelineAsync)
     */
    createComputePipelineAsync(descriptor: GPUComputePipelineDescriptor): Promise<GPUComputePipeline>;
    /**
     * The **`createPipelineLayout()`** method of the GPUDevice interface creates a GPUPipelineLayout that defines the GPUBindGroupLayouts used by a pipeline. GPUBindGroups used with the pipeline during command encoding must have compatible GPUBindGroupLayouts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createPipelineLayout)
     */
    createPipelineLayout(descriptor: GPUPipelineLayoutDescriptor): GPUPipelineLayout;
    /**
     * The **`createQuerySet()`** method of the GPUDevice interface creates a GPUQuerySet that can be used to record the results of queries on passes, such as occlusion or timestamp queries.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createQuerySet)
     */
    createQuerySet(descriptor: GPUQuerySetDescriptor): GPUQuerySet;
    /**
     * The **`createRenderBundleEncoder()`** method of the GPUDevice interface creates a GPURenderBundleEncoder that can be used to pre-record bundles of commands. These can be reused in GPURenderPassEncoders via the executeBundles() method, as many times as required.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createRenderBundleEncoder)
     */
    createRenderBundleEncoder(descriptor: GPURenderBundleEncoderDescriptor): GPURenderBundleEncoder;
    /**
     * The **`createRenderPipeline()`** method of the GPUDevice interface creates a GPURenderPipeline that can control the vertex and fragment shader stages and be used in a GPURenderPassEncoder or GPURenderBundleEncoder.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createRenderPipeline)
     */
    createRenderPipeline(descriptor: GPURenderPipelineDescriptor): GPURenderPipeline;
    /**
     * The **`createRenderPipelineAsync()`** method of the GPUDevice interface returns a Promise that fulfills with a GPURenderPipeline, which can control the vertex and fragment shader stages and be used in a GPURenderPassEncoder or GPURenderBundleEncoder, once the pipeline can be used without any stalling.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createRenderPipelineAsync)
     */
    createRenderPipelineAsync(descriptor: GPURenderPipelineDescriptor): Promise<GPURenderPipeline>;
    /**
     * The **`createSampler()`** method of the GPUDevice interface creates a GPUSampler, which controls how shaders transform and filter texture resource data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createSampler)
     */
    createSampler(descriptor?: GPUSamplerDescriptor): GPUSampler;
    /**
     * The **`createShaderModule()`** method of the GPUDevice interface creates a GPUShaderModule from a string of WGSL source code.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createShaderModule)
     */
    createShaderModule(descriptor: GPUShaderModuleDescriptor): GPUShaderModule;
    /**
     * The **`createTexture()`** method of the GPUDevice interface creates a GPUTexture in which to store 1D, 2D, or 3D arrays of data, such as images, to use in GPU rendering operations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/createTexture)
     */
    createTexture(descriptor: GPUTextureDescriptor): GPUTexture;
    /**
     * The **`destroy()`** method of the GPUDevice interface destroys the device, preventing further operations on it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/destroy)
     */
    destroy(): void;
    /**
     * The **`importExternalTexture()`** method of the GPUDevice interface takes an HTMLVideoElement or a VideoFrame object as an input and returns a GPUExternalTexture wrapper object containing a snapshot of the video that can be used as a frame in GPU rendering operations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/importExternalTexture)
     */
    importExternalTexture(descriptor: GPUExternalTextureDescriptor): GPUExternalTexture;
    /**
     * The **`popErrorScope()`** method of the GPUDevice interface pops an existing GPU error scope from the error scope stack (originally pushed using GPUDevice.pushErrorScope()) and returns a Promise that resolves to an object describing the first error captured in the scope, or null if no error occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/popErrorScope)
     */
    popErrorScope(): Promise<GPUError | null>;
    /**
     * The **`pushErrorScope()`** method of the GPUDevice interface pushes a new GPU error scope onto the device's error scope stack, allowing you to capture errors of a particular type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDevice/pushErrorScope)
     */
    pushErrorScope(filter: GPUErrorFilter): void;
    addEventListener<K extends keyof GPUDeviceEventMap>(type: K, listener: (this: GPUDevice, ev: GPUDeviceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof GPUDeviceEventMap>(type: K, listener: (this: GPUDevice, ev: GPUDeviceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var GPUDevice: {
    prototype: GPUDevice;
    new(): GPUDevice;
};

/**
 * The **`GPUDeviceLostInfo`** interface of the WebGPU API represents the object returned when the GPUDevice.lost Promise resolves. This provides information as to why a device has been lost.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDeviceLostInfo)
 */
interface GPUDeviceLostInfo {
    /**
     * The **`message`** read-only property of the GPUDeviceLostInfo interface provides a human-readable message that explains why the device was lost.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDeviceLostInfo/message)
     */
    readonly message: string;
    /**
     * The **`reason`** read-only property of the GPUDeviceLostInfo interface defines the reason the device was lost in a machine-readable way.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUDeviceLostInfo/reason)
     */
    readonly reason: GPUDeviceLostReason;
}

declare var GPUDeviceLostInfo: {
    prototype: GPUDeviceLostInfo;
    new(): GPUDeviceLostInfo;
};

/**
 * The **`GPUError`** interface of the WebGPU API is the base interface for errors surfaced by GPUDevice.popErrorScope and the uncapturederror event.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUError)
 */
interface GPUError {
    /**
     * The **`message`** read-only property of the GPUError interface provides a human-readable message that explains why the error occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUError/message)
     */
    readonly message: string;
}

declare var GPUError: {
    prototype: GPUError;
    new(): GPUError;
};

/**
 * The **`GPUExternalTexture`** interface of the WebGPU API represents a wrapper object containing an HTMLVideoElement snapshot that can be used as a texture in GPU rendering operations.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUExternalTexture)
 */
interface GPUExternalTexture extends GPUObjectBase {
}

declare var GPUExternalTexture: {
    prototype: GPUExternalTexture;
    new(): GPUExternalTexture;
};

/**
 * The **`GPUInternalError`** interface of the WebGPU API describes an application error indicating that an operation failed for a system or implementation-specific reason, even when all validation requirements were satisfied.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUInternalError)
 */
interface GPUInternalError extends GPUError {
}

declare var GPUInternalError: {
    prototype: GPUInternalError;
    new(message: string): GPUInternalError;
};

interface GPUObjectBase {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUBindGroup/label) */
    label: string;
}

/**
 * The **`GPUOutOfMemoryError`** interface of the WebGPU API describes an out-of-memory (oom) error indicating that there was not enough free memory to complete the requested operation.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUOutOfMemoryError)
 */
interface GPUOutOfMemoryError extends GPUError {
}

declare var GPUOutOfMemoryError: {
    prototype: GPUOutOfMemoryError;
    new(message: string): GPUOutOfMemoryError;
};

interface GPUPipelineBase {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUComputePipeline/getBindGroupLayout) */
    getBindGroupLayout(index: number): GPUBindGroupLayout;
}

/**
 * The **`GPUPipelineError`** interface of the WebGPU API describes a pipeline failure. This is the value received when a Promise returned by a GPUDevice.createComputePipelineAsync() or GPUDevice.createRenderPipelineAsync() call rejects.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUPipelineError)
 */
interface GPUPipelineError extends DOMException {
    /**
     * The **`reason`** read-only property of the GPUPipelineError interface defines the reason the pipeline creation failed in a machine-readable way.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUPipelineError/reason)
     */
    readonly reason: GPUPipelineErrorReason;
}

declare var GPUPipelineError: {
    prototype: GPUPipelineError;
    new(message: string, options: GPUPipelineErrorInit): GPUPipelineError;
};

/**
 * The **`GPUPipelineLayout`** interface of the WebGPU API defines the GPUBindGroupLayouts used by a pipeline. GPUBindGroups used with the pipeline during command encoding must have compatible GPUBindGroupLayouts.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUPipelineLayout)
 */
interface GPUPipelineLayout extends GPUObjectBase {
}

declare var GPUPipelineLayout: {
    prototype: GPUPipelineLayout;
    new(): GPUPipelineLayout;
};

/**
 * The **`GPUQuerySet`** interface of the WebGPU API is used to record the results of queries on passes, such as occlusion or timestamp queries.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQuerySet)
 */
interface GPUQuerySet extends GPUObjectBase {
    /**
     * The **`count`** read-only property of the GPUQuerySet interface is a number specifying the number of queries managed by the GPUQuerySet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQuerySet/count)
     */
    readonly count: GPUSize32Out;
    /**
     * The **`type`** read-only property of the GPUQuerySet interface is an enumerated value specifying the type of queries managed by the GPUQuerySet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQuerySet/type)
     */
    readonly type: GPUQueryType;
    /**
     * The **`destroy()`** method of the GPUQuerySet interface destroys the GPUQuerySet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQuerySet/destroy)
     */
    destroy(): void;
}

declare var GPUQuerySet: {
    prototype: GPUQuerySet;
    new(): GPUQuerySet;
};

/**
 * The **`GPUQueue`** interface of the WebGPU API controls execution of encoded commands on the GPU.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue)
 */
interface GPUQueue extends GPUObjectBase {
    /**
     * The **`copyExternalImageToTexture()`** method of the GPUQueue interface copies a snapshot taken from a source image, video, or canvas into a given GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue/copyExternalImageToTexture)
     */
    copyExternalImageToTexture(source: GPUCopyExternalImageSourceInfo, destination: GPUCopyExternalImageDestInfo, copySize: GPUExtent3D): void;
    /**
     * The **`onSubmittedWorkDone()`** method of the GPUQueue interface returns a Promise that resolves when all the work submitted to the GPU via this GPUQueue at the point the method is called has been processed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue/onSubmittedWorkDone)
     */
    onSubmittedWorkDone(): Promise<void>;
    /**
     * The **`submit()`** method of the GPUQueue interface schedules the execution of command buffers represented by one or more GPUCommandBuffer objects by the GPU.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue/submit)
     */
    submit(commandBuffers: GPUCommandBuffer[]): void;
    /**
     * The **`writeBuffer()`** method of the GPUQueue interface writes a provided data source into a given GPUBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue/writeBuffer)
     */
    writeBuffer(buffer: GPUBuffer, bufferOffset: GPUSize64, data: AllowSharedBufferSource, dataOffset?: GPUSize64, size?: GPUSize64): void;
    /**
     * The **`writeTexture()`** method of the GPUQueue interface writes a provided data source into a given GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUQueue/writeTexture)
     */
    writeTexture(destination: GPUTexelCopyTextureInfo, data: AllowSharedBufferSource, dataLayout: GPUTexelCopyBufferLayout, size: GPUExtent3D): void;
}

declare var GPUQueue: {
    prototype: GPUQueue;
    new(): GPUQueue;
};

/**
 * The **`GPURenderBundle`** interface of the WebGPU API represents a container for pre-recorded bundles of commands.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundle)
 */
interface GPURenderBundle extends GPUObjectBase {
}

declare var GPURenderBundle: {
    prototype: GPURenderBundle;
    new(): GPURenderBundle;
};

/**
 * The **`GPURenderBundleEncoder`** interface of the WebGPU API is used to pre-record bundles of commands.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder)
 */
interface GPURenderBundleEncoder extends GPUBindingCommandsMixin, GPUDebugCommandsMixin, GPUObjectBase, GPURenderCommandsMixin {
    /**
     * The **`finish()`** method of the GPURenderBundleEncoder interface completes recording of the current render bundle command sequence, returning a GPURenderBundle object that can be passed into a GPURenderPassEncoder.executeBundles() call to execute those commands in a specific render pass.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/finish)
     */
    finish(descriptor?: GPURenderBundleDescriptor): GPURenderBundle;
}

declare var GPURenderBundleEncoder: {
    prototype: GPURenderBundleEncoder;
    new(): GPURenderBundleEncoder;
};

interface GPURenderCommandsMixin {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/draw) */
    draw(vertexCount: GPUSize32, instanceCount?: GPUSize32, firstVertex?: GPUSize32, firstInstance?: GPUSize32): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/drawIndexed) */
    drawIndexed(indexCount: GPUSize32, instanceCount?: GPUSize32, firstIndex?: GPUSize32, baseVertex?: GPUSignedOffset32, firstInstance?: GPUSize32): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/drawIndexedIndirect) */
    drawIndexedIndirect(indirectBuffer: GPUBuffer, indirectOffset: GPUSize64): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/drawIndirect) */
    drawIndirect(indirectBuffer: GPUBuffer, indirectOffset: GPUSize64): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/setIndexBuffer) */
    setIndexBuffer(buffer: GPUBuffer, indexFormat: GPUIndexFormat, offset?: GPUSize64, size?: GPUSize64): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/setPipeline) */
    setPipeline(pipeline: GPURenderPipeline): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderBundleEncoder/setVertexBuffer) */
    setVertexBuffer(slot: GPUIndex32, buffer: GPUBuffer | null, offset?: GPUSize64, size?: GPUSize64): void;
}

/**
 * The **`GPURenderPassEncoder`** interface of the WebGPU API encodes commands related to controlling the vertex and fragment shader stages, as issued by a GPURenderPipeline. It forms part of the overall encoding activity of a GPUCommandEncoder.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder)
 */
interface GPURenderPassEncoder extends GPUBindingCommandsMixin, GPUDebugCommandsMixin, GPUObjectBase, GPURenderCommandsMixin {
    /**
     * The **`beginOcclusionQuery()`** method of the GPURenderPassEncoder interface begins an occlusion query at the specified index of the relevant GPUQuerySet (provided as the value of the occlusionQuerySet descriptor property when invoking GPUCommandEncoder.beginRenderPass() to run the render pass).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/beginOcclusionQuery)
     */
    beginOcclusionQuery(queryIndex: GPUSize32): void;
    /**
     * The **`end()`** method of the GPURenderPassEncoder interface completes recording of the current render pass command sequence.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/end)
     */
    end(): void;
    /**
     * The **`endOcclusionQuery()`** method of the GPURenderPassEncoder interface ends an active occlusion query previously started with beginOcclusionQuery().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/endOcclusionQuery)
     */
    endOcclusionQuery(): void;
    /**
     * The **`executeBundles()`** method of the GPURenderPassEncoder interface executes commands previously recorded into the referenced GPURenderBundles, as part of this render pass.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/executeBundles)
     */
    executeBundles(bundles: GPURenderBundle[]): void;
    /**
     * The **`setBlendConstant()`** method of the GPURenderPassEncoder interface sets the constant blend color and alpha values used with "constant" and "one-minus-constant" blend factors (as set in the descriptor of the GPUDevice.createRenderPipeline() method, in the blend property).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/setBlendConstant)
     */
    setBlendConstant(color: GPUColor): void;
    /**
     * The **`setScissorRect()`** method of the GPURenderPassEncoder interface sets the scissor rectangle used during the rasterization stage. After transformation into viewport coordinates any fragments that fall outside the scissor rectangle will be discarded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/setScissorRect)
     */
    setScissorRect(x: GPUIntegerCoordinate, y: GPUIntegerCoordinate, width: GPUIntegerCoordinate, height: GPUIntegerCoordinate): void;
    /**
     * The **`setStencilReference()`** method of the GPURenderPassEncoder interface sets the stencil reference value using during stencil tests with the "replace" stencil operation (as set in the descriptor of the GPUDevice.createRenderPipeline() method, in the properties defining the various stencil operations).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/setStencilReference)
     */
    setStencilReference(reference: GPUStencilValue): void;
    /**
     * The **`setViewport()`** method of the GPURenderPassEncoder interface sets the viewport used during the rasterization stage to linearly map from normalized device coordinates to viewport coordinates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPassEncoder/setViewport)
     */
    setViewport(x: number, y: number, width: number, height: number, minDepth: number, maxDepth: number): void;
}

declare var GPURenderPassEncoder: {
    prototype: GPURenderPassEncoder;
    new(): GPURenderPassEncoder;
};

/**
 * The **`GPURenderPipeline`** interface of the WebGPU API represents a pipeline that controls the vertex and fragment shader stages and can be used in a GPURenderPassEncoder or GPURenderBundleEncoder.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPURenderPipeline)
 */
interface GPURenderPipeline extends GPUObjectBase, GPUPipelineBase {
}

declare var GPURenderPipeline: {
    prototype: GPURenderPipeline;
    new(): GPURenderPipeline;
};

/**
 * The **`GPUSampler`** interface of the WebGPU API represents an object that can control how shaders transform and filter texture resource data.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSampler)
 */
interface GPUSampler extends GPUObjectBase {
}

declare var GPUSampler: {
    prototype: GPUSampler;
    new(): GPUSampler;
};

/**
 * The **`GPUShaderModule`** interface of the WebGPU API represents an internal shader module object, a container for WGSL shader code that can be submitted to the GPU for execution by a pipeline.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUShaderModule)
 */
interface GPUShaderModule extends GPUObjectBase {
    /**
     * The **`getCompilationInfo()`** method of the GPUShaderModule interface returns a Promise that fulfills with a GPUCompilationInfo object containing messages generated during the GPUShaderModule's compilation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUShaderModule/getCompilationInfo)
     */
    getCompilationInfo(): Promise<GPUCompilationInfo>;
}

declare var GPUShaderModule: {
    prototype: GPUShaderModule;
    new(): GPUShaderModule;
};

/**
 * The **`GPUSupportedFeatures`** interface of the WebGPU API is a Set-like object that describes additional functionality supported by a GPUAdapter.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedFeatures)
 */
interface GPUSupportedFeatures {
    forEach(callbackfn: (value: string, key: string, parent: GPUSupportedFeatures) => void, thisArg?: any): void;
}

declare var GPUSupportedFeatures: {
    prototype: GPUSupportedFeatures;
    new(): GPUSupportedFeatures;
};

/**
 * The **`GPUSupportedLimits`** interface of the WebGPU API describes the limits supported by a GPUAdapter.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits)
 */
interface GPUSupportedLimits {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxBindGroups: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxBindGroupsPlusVertexBuffers: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxBindingsPerBindGroup: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxBufferSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxColorAttachmentBytesPerSample: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxColorAttachments: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeInvocationsPerWorkgroup: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeWorkgroupSizeX: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeWorkgroupSizeY: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeWorkgroupSizeZ: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeWorkgroupStorageSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxComputeWorkgroupsPerDimension: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxDynamicStorageBuffersPerPipelineLayout: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxDynamicUniformBuffersPerPipelineLayout: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxInterStageShaderVariables: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxSampledTexturesPerShaderStage: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxSamplersPerShaderStage: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxStorageBufferBindingSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxStorageBuffersPerShaderStage: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxStorageTexturesPerShaderStage: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxTextureArrayLayers: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxTextureDimension1D: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxTextureDimension2D: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxTextureDimension3D: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxUniformBufferBindingSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxUniformBuffersPerShaderStage: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxVertexAttributes: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxVertexBufferArrayStride: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly maxVertexBuffers: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly minStorageBufferOffsetAlignment: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUSupportedLimits#instance_properties) */
    readonly minUniformBufferOffsetAlignment: number;
}

declare var GPUSupportedLimits: {
    prototype: GPUSupportedLimits;
    new(): GPUSupportedLimits;
};

/**
 * The **`GPUTexture`** interface of the WebGPU API represents a container used to store 1D, 2D, or 3D arrays of data, such as images, to use in GPU rendering operations.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture)
 */
interface GPUTexture extends GPUObjectBase {
    /**
     * The **`depthOrArrayLayers`** read-only property of the GPUTexture interface represents the depth or layer count of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/depthOrArrayLayers)
     */
    readonly depthOrArrayLayers: GPUIntegerCoordinateOut;
    /**
     * The **`dimension`** read-only property of the GPUTexture interface represents the dimension of the set of texels for each GPUTexture subresource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/dimension)
     */
    readonly dimension: GPUTextureDimension;
    /**
     * The **`format`** read-only property of the GPUTexture interface represents the format of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/format)
     */
    readonly format: GPUTextureFormat;
    /**
     * The **`height`** read-only property of the GPUTexture interface represents the height of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/height)
     */
    readonly height: GPUIntegerCoordinateOut;
    /**
     * The **`mipLevelCount`** read-only property of the GPUTexture interface represents the number of mip levels of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/mipLevelCount)
     */
    readonly mipLevelCount: GPUIntegerCoordinateOut;
    /**
     * The **`sampleCount`** read-only property of the GPUTexture interface represents the sample count of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/sampleCount)
     */
    readonly sampleCount: GPUSize32Out;
    /**
     * The **`usage`** read-only property of the GPUTexture interface is the bitwise flags representing the allowed usages of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/usage)
     */
    readonly usage: GPUFlagsConstant;
    /**
     * The **`width`** read-only property of the GPUTexture interface represents the width of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/width)
     */
    readonly width: GPUIntegerCoordinateOut;
    /**
     * The **`createView()`** method of the GPUTexture interface creates a GPUTextureView representing a specific view of the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/createView)
     */
    createView(descriptor?: GPUTextureViewDescriptor): GPUTextureView;
    /**
     * The **`destroy()`** method of the GPUTexture interface destroys the GPUTexture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTexture/destroy)
     */
    destroy(): void;
}

declare var GPUTexture: {
    prototype: GPUTexture;
    new(): GPUTexture;
};

/**
 * The **`GPUTextureView`** interface of the WebGPU API represents a view into a subset of the texture resources defined by a particular GPUTexture.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUTextureView)
 */
interface GPUTextureView extends GPUObjectBase {
}

declare var GPUTextureView: {
    prototype: GPUTextureView;
    new(): GPUTextureView;
};

/**
 * The **`GPUUncapturedErrorEvent`** interface of the WebGPU API is the event object type for the GPUDevice uncapturederror event, used for telemetry and to report unexpected errors.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUUncapturedErrorEvent)
 */
interface GPUUncapturedErrorEvent extends Event {
    /**
     * The **`error`** read-only property of the GPUUncapturedErrorEvent interface is a GPUError object instance providing access to the details of the error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUUncapturedErrorEvent/error)
     */
    readonly error: GPUError;
}

declare var GPUUncapturedErrorEvent: {
    prototype: GPUUncapturedErrorEvent;
    new(type: string, gpuUncapturedErrorEventInitDict: GPUUncapturedErrorEventInit): GPUUncapturedErrorEvent;
};

/**
 * The **`GPUValidationError`** interface of the WebGPU API describes an application error indicating that an operation did not pass the WebGPU API's validation constraints.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GPUValidationError)
 */
interface GPUValidationError extends GPUError {
}

declare var GPUValidationError: {
    prototype: GPUValidationError;
    new(message: string): GPUValidationError;
};

/**
 * The **`GainNode`** interface represents a change in volume. It is an AudioNode audio-processing module that causes a given gain to be applied to the input data before its propagation to the output. A GainNode always has exactly one input and one output, both with the same number of channels.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GainNode)
 */
interface GainNode extends AudioNode {
    /**
     * The **`gain`** property of the GainNode interface is an a-rate AudioParam representing the amount of gain to apply.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GainNode/gain)
     */
    readonly gain: AudioParam;
}

declare var GainNode: {
    prototype: GainNode;
    new(context: BaseAudioContext, options?: GainOptions): GainNode;
};

/**
 * The **`Gamepad`** interface of the Gamepad API defines an individual gamepad or other controller, allowing access to information such as button presses, axis positions, and id.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad)
 */
interface Gamepad {
    /**
     * The **`Gamepad.axes`** property of the Gamepad interface returns an array representing the controls with axes present on the device (e.g., analog thumb sticks).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/axes)
     */
    readonly axes: ReadonlyArray<number>;
    /**
     * The **`buttons`** property of the Gamepad interface returns an array of GamepadButton objects representing the buttons present on the device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/buttons)
     */
    readonly buttons: ReadonlyArray<GamepadButton>;
    /**
     * The **`Gamepad.connected`** property of the Gamepad interface returns a boolean indicating whether the gamepad is still connected to the system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/connected)
     */
    readonly connected: boolean;
    /**
     * The **`Gamepad.id`** property of the Gamepad interface returns a string containing some information about the controller.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/id)
     */
    readonly id: string;
    /**
     * The **`Gamepad.index`** property of the Gamepad interface returns an integer that is auto-incremented to be unique for each device currently connected to the system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/index)
     */
    readonly index: number;
    /**
     * The **`Gamepad.mapping`** property of the Gamepad interface returns a string indicating whether the browser has remapped the controls on the device to a known layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/mapping)
     */
    readonly mapping: GamepadMappingType;
    /**
     * The **`Gamepad.timestamp`** property of the Gamepad interface returns a DOMHighResTimeStamp representing the last time the data for this gamepad was updated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/timestamp)
     */
    readonly timestamp: DOMHighResTimeStamp;
    /**
     * The **`vibrationActuator`** read-only property of the Gamepad interface returns a GamepadHapticActuator object, which represents haptic feedback hardware available on the controller.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Gamepad/vibrationActuator)
     */
    readonly vibrationActuator: GamepadHapticActuator;
}

declare var Gamepad: {
    prototype: Gamepad;
    new(): Gamepad;
};

/**
 * The **`GamepadButton`** interface defines an individual button of a gamepad or other controller, allowing access to the current state of different types of buttons available on the control device.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadButton)
 */
interface GamepadButton {
    /**
     * The **`GamepadButton.pressed`** property of the GamepadButton interface returns a boolean indicating whether the button is currently pressed (true) or unpressed (false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadButton/pressed)
     */
    readonly pressed: boolean;
    /**
     * The **`touched`** property of the GamepadButton interface returns a boolean indicating whether a button capable of detecting touch is currently touched (true) or not touched (false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadButton/touched)
     */
    readonly touched: boolean;
    /**
     * The **`GamepadButton.value`** property of the GamepadButton interface returns a double value used to represent the current state of analog buttons on many modern gamepads, such as the triggers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadButton/value)
     */
    readonly value: number;
}

declare var GamepadButton: {
    prototype: GamepadButton;
    new(): GamepadButton;
};

/**
 * The **`GamepadEvent`** interface of the Gamepad API contains references to gamepads connected to the system, which is what the gamepad events gamepadconnected and gamepaddisconnected are fired in response to.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadEvent)
 */
interface GamepadEvent extends Event {
    /**
     * The **`GamepadEvent.gamepad`** property of the GamepadEvent interface returns a Gamepad object, providing access to the associated gamepad data for fired gamepadconnected and gamepaddisconnected events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadEvent/gamepad)
     */
    readonly gamepad: Gamepad;
}

declare var GamepadEvent: {
    prototype: GamepadEvent;
    new(type: string, eventInitDict?: GamepadEventInit): GamepadEvent;
};

/**
 * The **`GamepadHapticActuator`** interface of the Gamepad API represents hardware in the controller designed to provide haptic feedback to the user (if available), most commonly vibration hardware.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadHapticActuator)
 */
interface GamepadHapticActuator {
    /**
     * The **`playEffect()`** method of the GamepadHapticActuator interface causes the hardware to play a specific vibration effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadHapticActuator/playEffect)
     */
    playEffect(type: GamepadHapticEffectType, params?: GamepadEffectParameters): Promise<GamepadHapticsResult>;
    /**
     * The **`reset()`** method of the GamepadHapticActuator interface stops the hardware from playing an active vibration effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadHapticActuator/reset)
     */
    reset(): Promise<GamepadHapticsResult>;
}

declare var GamepadHapticActuator: {
    prototype: GamepadHapticActuator;
    new(): GamepadHapticActuator;
};

interface GenericTransformStream {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompressionStream/readable) */
    readonly readable: ReadableStream;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CompressionStream/writable) */
    readonly writable: WritableStream;
}

/**
 * The **`Geolocation`** interface represents an object able to obtain the position of the device programmatically. It gives Web content access to the location of the device. This allows a website or app to offer customized results based on the user's location.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Geolocation)
 */
interface Geolocation {
    /**
     * The **`clearWatch()`** method of the Geolocation interface is used to unregister location/error monitoring handlers previously installed using Geolocation.watchPosition().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Geolocation/clearWatch)
     */
    clearWatch(watchId: number): void;
    /**
     * The **`getCurrentPosition()`** method of the Geolocation interface is used to get the current position of the device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Geolocation/getCurrentPosition)
     */
    getCurrentPosition(successCallback: PositionCallback, errorCallback?: PositionErrorCallback | null, options?: PositionOptions): void;
    /**
     * The **`watchPosition()`** method of the Geolocation interface is used to register a handler function that will be called automatically each time the position of the device changes. You can also, optionally, specify an error handling callback function.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Geolocation/watchPosition)
     */
    watchPosition(successCallback: PositionCallback, errorCallback?: PositionErrorCallback | null, options?: PositionOptions): number;
}

declare var Geolocation: {
    prototype: Geolocation;
    new(): Geolocation;
};

/**
 * The **`GeolocationCoordinates`** interface represents the position and altitude of the device on Earth, as well as the accuracy with which these properties are calculated. The geographic position information is provided in terms of World Geodetic System coordinates (WGS84).
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates)
 */
interface GeolocationCoordinates {
    /**
     * The **`accuracy`** read-only property of the GeolocationCoordinates interface is a strictly positive double representing the accuracy, with a 95% confidence level, of the GeolocationCoordinates.latitude and GeolocationCoordinates.longitude properties expressed in meters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/accuracy)
     */
    readonly accuracy: number;
    /**
     * The **`altitude`** read-only property of the GeolocationCoordinates interface is a double representing the altitude of the position in meters above the WGS84 ellipsoid (which defines the nominal sea level surface). This value is null if the implementation cannot provide this data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/altitude)
     */
    readonly altitude: number | null;
    /**
     * The **`altitudeAccuracy`** read-only property of the GeolocationCoordinates interface is a strictly positive double representing the accuracy, with a 95% confidence level, of the altitude expressed in meters. This value is null if the implementation doesn't support measuring altitude.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/altitudeAccuracy)
     */
    readonly altitudeAccuracy: number | null;
    /**
     * The **`heading`** read-only property of the GeolocationCoordinates interface is a double representing the direction in which the device is traveling. This value, specified in degrees, indicates how far off from heading due north the device is. 0 degrees represents true north, and the direction is determined clockwise (which means that east is 90 degrees and west is 270 degrees). If GeolocationCoordinates.speed is 0 or the device is not able to provide heading information, heading is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/heading)
     */
    readonly heading: number | null;
    /**
     * The **`latitude`** read-only property of the GeolocationCoordinates interface is a double representing the latitude of the position in decimal degrees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/latitude)
     */
    readonly latitude: number;
    /**
     * The **`longitude`** read-only property of the GeolocationCoordinates interface is a number which represents the longitude of a geographical position, specified in decimal degrees. Together with a timestamp, given as Unix time in milliseconds, indicating a time of measurement, the GeolocationCoordinates object is part of the GeolocationPosition interface, which is the object type returned by Geolocation API functions that obtain and return a geographical position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/longitude)
     */
    readonly longitude: number;
    /**
     * The **`speed`** read-only property of the GeolocationCoordinates interface is a double representing the velocity of the device in meters per second. This value is null if the implementation is not able to measure it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/speed)
     */
    readonly speed: number | null;
    /**
     * The **`toJSON()`** method of the GeolocationCoordinates interface is a serializer; it returns a JSON representation of the GeolocationCoordinates object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/toJSON)
     */
    toJSON(): any;
}

declare var GeolocationCoordinates: {
    prototype: GeolocationCoordinates;
    new(): GeolocationCoordinates;
};

/**
 * The **`GeolocationPosition`** interface represents the position of the concerned device at a given time. The position, represented by a GeolocationCoordinates object, comprehends the 2D position of the device, on a spheroid representing the Earth, but also its altitude and its speed.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition)
 */
interface GeolocationPosition {
    /**
     * The **`coords`** read-only property of the GeolocationPosition interface returns a GeolocationCoordinates object representing a geographic position. It contains the location, that is longitude and latitude on the Earth, the altitude, and the speed of the object concerned, regrouped inside the returned value. It also contains accuracy information about these values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/coords)
     */
    readonly coords: GeolocationCoordinates;
    /**
     * The **`timestamp`** read-only property of the GeolocationPosition interface represents the date and time that the position was acquired by the device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/timestamp)
     */
    readonly timestamp: EpochTimeStamp;
    /**
     * The **`toJSON()`** method of the GeolocationPosition interface is a serializer; it returns a JSON representation of the GeolocationPosition object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/toJSON)
     */
    toJSON(): any;
}

declare var GeolocationPosition: {
    prototype: GeolocationPosition;
    new(): GeolocationPosition;
};

/**
 * The **`GeolocationPositionError`** interface represents the reason of an error occurring when using the geolocating device.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPositionError)
 */
interface GeolocationPositionError {
    /**
     * The **`code`** read-only property of the GeolocationPositionError interface is an unsigned short representing the error code.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPositionError/code)
     */
    readonly code: number;
    /**
     * The **`message`** read-only property of the GeolocationPositionError interface returns a human-readable string describing the details of the error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPositionError/message)
     */
    readonly message: string;
    readonly PERMISSION_DENIED: 1;
    readonly POSITION_UNAVAILABLE: 2;
    readonly TIMEOUT: 3;
}

declare var GeolocationPositionError: {
    prototype: GeolocationPositionError;
    new(): GeolocationPositionError;
    readonly PERMISSION_DENIED: 1;
    readonly POSITION_UNAVAILABLE: 2;
    readonly TIMEOUT: 3;
};

interface GlobalEventHandlersEventMap {
    "abort": UIEvent;
    "animationcancel": AnimationEvent;
    "animationend": AnimationEvent;
    "animationiteration": AnimationEvent;
    "animationstart": AnimationEvent;
    "auxclick": PointerEvent;
    "beforeinput": InputEvent;
    "beforematch": Event;
    "beforetoggle": ToggleEvent;
    "blur": FocusEvent;
    "cancel": Event;
    "canplay": Event;
    "canplaythrough": Event;
    "change": Event;
    "click": PointerEvent;
    "close": Event;
    "command": Event;
    "compositionend": CompositionEvent;
    "compositionstart": CompositionEvent;
    "compositionupdate": CompositionEvent;
    "contextlost": Event;
    "contextmenu": PointerEvent;
    "contextrestored": Event;
    "copy": ClipboardEvent;
    "cuechange": Event;
    "cut": ClipboardEvent;
    "dblclick": MouseEvent;
    "drag": DragEvent;
    "dragend": DragEvent;
    "dragenter": DragEvent;
    "dragleave": DragEvent;
    "dragover": DragEvent;
    "dragstart": DragEvent;
    "drop": DragEvent;
    "durationchange": Event;
    "emptied": Event;
    "ended": Event;
    "error": ErrorEvent;
    "focus": FocusEvent;
    "focusin": FocusEvent;
    "focusout": FocusEvent;
    "formdata": FormDataEvent;
    "gotpointercapture": PointerEvent;
    "input": InputEvent;
    "invalid": Event;
    "keydown": KeyboardEvent;
    "keypress": KeyboardEvent;
    "keyup": KeyboardEvent;
    "load": Event;
    "loadeddata": Event;
    "loadedmetadata": Event;
    "loadstart": Event;
    "lostpointercapture": PointerEvent;
    "mousedown": MouseEvent;
    "mouseenter": MouseEvent;
    "mouseleave": MouseEvent;
    "mousemove": MouseEvent;
    "mouseout": MouseEvent;
    "mouseover": MouseEvent;
    "mouseup": MouseEvent;
    "paste": ClipboardEvent;
    "pause": Event;
    "play": Event;
    "playing": Event;
    "pointercancel": PointerEvent;
    "pointerdown": PointerEvent;
    "pointerenter": PointerEvent;
    "pointerleave": PointerEvent;
    "pointermove": PointerEvent;
    "pointerout": PointerEvent;
    "pointerover": PointerEvent;
    "pointerrawupdate": Event;
    "pointerup": PointerEvent;
    "progress": ProgressEvent;
    "ratechange": Event;
    "reset": Event;
    "resize": UIEvent;
    "scroll": Event;
    "scrollend": Event;
    "securitypolicyviolation": SecurityPolicyViolationEvent;
    "seeked": Event;
    "seeking": Event;
    "select": Event;
    "selectionchange": Event;
    "selectstart": Event;
    "slotchange": Event;
    "stalled": Event;
    "submit": SubmitEvent;
    "suspend": Event;
    "timeupdate": Event;
    "toggle": ToggleEvent;
    "touchcancel": TouchEvent;
    "touchend": TouchEvent;
    "touchmove": TouchEvent;
    "touchstart": TouchEvent;
    "transitioncancel": TransitionEvent;
    "transitionend": TransitionEvent;
    "transitionrun": TransitionEvent;
    "transitionstart": TransitionEvent;
    "volumechange": Event;
    "waiting": Event;
    "webkitanimationend": Event;
    "webkitanimationiteration": Event;
    "webkitanimationstart": Event;
    "webkittransitionend": Event;
    "wheel": WheelEvent;
}

interface GlobalEventHandlers {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/abort_event) */
    onabort: ((this: GlobalEventHandlers, ev: UIEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationcancel_event) */
    onanimationcancel: ((this: GlobalEventHandlers, ev: AnimationEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationend_event) */
    onanimationend: ((this: GlobalEventHandlers, ev: AnimationEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationiteration_event) */
    onanimationiteration: ((this: GlobalEventHandlers, ev: AnimationEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationstart_event) */
    onanimationstart: ((this: GlobalEventHandlers, ev: AnimationEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/auxclick_event) */
    onauxclick: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/beforeinput_event) */
    onbeforeinput: ((this: GlobalEventHandlers, ev: InputEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/beforematch_event) */
    onbeforematch: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/beforetoggle_event) */
    onbeforetoggle: ((this: GlobalEventHandlers, ev: ToggleEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/blur_event) */
    onblur: ((this: GlobalEventHandlers, ev: FocusEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/cancel_event) */
    oncancel: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/canplay_event) */
    oncanplay: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/canplaythrough_event) */
    oncanplaythrough: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/change_event) */
    onchange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/click_event) */
    onclick: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/close_event) */
    onclose: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/command_event) */
    oncommand: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/contextlost_event) */
    oncontextlost: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/contextmenu_event) */
    oncontextmenu: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/contextrestored_event) */
    oncontextrestored: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/copy_event) */
    oncopy: ((this: GlobalEventHandlers, ev: ClipboardEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/cuechange_event) */
    oncuechange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/cut_event) */
    oncut: ((this: GlobalEventHandlers, ev: ClipboardEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/dblclick_event) */
    ondblclick: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/drag_event) */
    ondrag: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dragend_event) */
    ondragend: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dragenter_event) */
    ondragenter: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dragleave_event) */
    ondragleave: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dragover_event) */
    ondragover: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dragstart_event) */
    ondragstart: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/drop_event) */
    ondrop: ((this: GlobalEventHandlers, ev: DragEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/durationchange_event) */
    ondurationchange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/emptied_event) */
    onemptied: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/ended_event) */
    onended: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/error_event) */
    onerror: OnErrorEventHandler;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/focus_event) */
    onfocus: ((this: GlobalEventHandlers, ev: FocusEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/formdata_event) */
    onformdata: ((this: GlobalEventHandlers, ev: FormDataEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/gotpointercapture_event) */
    ongotpointercapture: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/input_event) */
    oninput: ((this: GlobalEventHandlers, ev: InputEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/invalid_event) */
    oninvalid: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/keydown_event) */
    onkeydown: ((this: GlobalEventHandlers, ev: KeyboardEvent) => any) | null;
    /**
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/keypress_event)
     */
    onkeypress: ((this: GlobalEventHandlers, ev: KeyboardEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/keyup_event) */
    onkeyup: ((this: GlobalEventHandlers, ev: KeyboardEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/load_event) */
    onload: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/loadeddata_event) */
    onloadeddata: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/loadedmetadata_event) */
    onloadedmetadata: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/loadstart_event) */
    onloadstart: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/lostpointercapture_event) */
    onlostpointercapture: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mousedown_event) */
    onmousedown: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mouseenter_event) */
    onmouseenter: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mouseleave_event) */
    onmouseleave: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mousemove_event) */
    onmousemove: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mouseout_event) */
    onmouseout: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mouseover_event) */
    onmouseover: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/mouseup_event) */
    onmouseup: ((this: GlobalEventHandlers, ev: MouseEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/paste_event) */
    onpaste: ((this: GlobalEventHandlers, ev: ClipboardEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/pause_event) */
    onpause: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/play_event) */
    onplay: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/playing_event) */
    onplaying: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointercancel_event) */
    onpointercancel: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerdown_event) */
    onpointerdown: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerenter_event) */
    onpointerenter: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerleave_event) */
    onpointerleave: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointermove_event) */
    onpointermove: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerout_event) */
    onpointerout: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerover_event) */
    onpointerover: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /**
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerrawupdate_event)
     */
    onpointerrawupdate: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/pointerup_event) */
    onpointerup: ((this: GlobalEventHandlers, ev: PointerEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/progress_event) */
    onprogress: ((this: GlobalEventHandlers, ev: ProgressEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/ratechange_event) */
    onratechange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/reset_event) */
    onreset: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/resize_event) */
    onresize: ((this: GlobalEventHandlers, ev: UIEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/scroll_event) */
    onscroll: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/scrollend_event) */
    onscrollend: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/securitypolicyviolation_event) */
    onsecuritypolicyviolation: ((this: GlobalEventHandlers, ev: SecurityPolicyViolationEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/seeked_event) */
    onseeked: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/seeking_event) */
    onseeking: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/select_event) */
    onselect: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/selectionchange_event) */
    onselectionchange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/selectstart_event) */
    onselectstart: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/slotchange_event) */
    onslotchange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/stalled_event) */
    onstalled: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/submit_event) */
    onsubmit: ((this: GlobalEventHandlers, ev: SubmitEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/suspend_event) */
    onsuspend: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/timeupdate_event) */
    ontimeupdate: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/toggle_event) */
    ontoggle: ((this: GlobalEventHandlers, ev: ToggleEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/touchcancel_event) */
    ontouchcancel?: ((this: GlobalEventHandlers, ev: TouchEvent) => any) | null | undefined;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/touchend_event) */
    ontouchend?: ((this: GlobalEventHandlers, ev: TouchEvent) => any) | null | undefined;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/touchmove_event) */
    ontouchmove?: ((this: GlobalEventHandlers, ev: TouchEvent) => any) | null | undefined;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/touchstart_event) */
    ontouchstart?: ((this: GlobalEventHandlers, ev: TouchEvent) => any) | null | undefined;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/transitioncancel_event) */
    ontransitioncancel: ((this: GlobalEventHandlers, ev: TransitionEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/transitionend_event) */
    ontransitionend: ((this: GlobalEventHandlers, ev: TransitionEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/transitionrun_event) */
    ontransitionrun: ((this: GlobalEventHandlers, ev: TransitionEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/transitionstart_event) */
    ontransitionstart: ((this: GlobalEventHandlers, ev: TransitionEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/volumechange_event) */
    onvolumechange: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/waiting_event) */
    onwaiting: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /**
     * @deprecated This is a legacy alias of `onanimationend`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationend_event)
     */
    onwebkitanimationend: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /**
     * @deprecated This is a legacy alias of `onanimationiteration`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationiteration_event)
     */
    onwebkitanimationiteration: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /**
     * @deprecated This is a legacy alias of `onanimationstart`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/animationstart_event)
     */
    onwebkitanimationstart: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /**
     * @deprecated This is a legacy alias of `ontransitionend`.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/transitionend_event)
     */
    onwebkittransitionend: ((this: GlobalEventHandlers, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/wheel_event) */
    onwheel: ((this: GlobalEventHandlers, ev: WheelEvent) => any) | null;
    addEventListener<K extends keyof GlobalEventHandlersEventMap>(type: K, listener: (this: GlobalEventHandlers, ev: GlobalEventHandlersEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof GlobalEventHandlersEventMap>(type: K, listener: (this: GlobalEventHandlers, ev: GlobalEventHandlersEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/**
 * The **`HTMLAllCollection`** interface represents a collection of all of the document's elements, accessible by index (like an array) and by the element's id. It is returned by the document.all property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAllCollection)
 */
interface HTMLAllCollection {
    /**
     * The **`HTMLAllCollection.length`** property returns the number of items in this HTMLAllCollection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAllCollection/length)
     */
    readonly length: number;
    /**
     * The **`item()`** method of the HTMLAllCollection interface returns the element located at the specified offset into the collection, or the element with the specified value for its id or name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAllCollection/item)
     */
    item(nameOrIndex?: string): HTMLCollection | Element | null;
    /**
     * The **`namedItem()`** method of the HTMLAllCollection interface returns the first Element in the collection whose id or name attribute matches the specified name, or null if no element matches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAllCollection/namedItem)
     */
    namedItem(name: string): HTMLCollection | Element | null;
    [index: number]: Element;
}

declare var HTMLAllCollection: {
    prototype: HTMLAllCollection;
    new(): HTMLAllCollection;
};

/**
 * The **`HTMLAnchorElement`** interface represents hyperlink elements and provides special properties and methods (beyond those of the regular HTMLElement object interface that they inherit from) for manipulating the layout and presentation of such elements. This interface corresponds to <a> element; not to be confused with <link>, which is represented by HTMLLinkElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement)
 */
interface HTMLAnchorElement extends HTMLElement, HTMLHyperlinkElementUtils {
    /** @deprecated */
    charset: string;
    /** @deprecated */
    coords: string;
    /**
     * The **`HTMLAnchorElement.download`** property is a string indicating that the linked resource is intended to be downloaded rather than displayed in the browser. The value, if any, specifies the default file name for use in labeling the resource in a local file system. If the name is not a valid file name in the underlying OS, the browser will adjust it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/download)
     */
    download: string;
    /**
     * The **`hreflang`** property of the HTMLAnchorElement interface is a string that is the language of the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/hreflang)
     */
    hreflang: string;
    /** @deprecated */
    name: string;
    /**
     * The **`ping`** property of the HTMLAnchorElement interface is a space-separated list of URLs. When the link is followed, the browser will send POST requests with the body PING to the URLs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/ping)
     */
    ping: string;
    /**
     * The **`HTMLAnchorElement.referrerPolicy`** property reflect the HTML referrerpolicy attribute of the <a> element defining which referrer is sent when fetching the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/referrerPolicy)
     */
    referrerPolicy: string;
    /**
     * The **`HTMLAnchorElement.rel`** property reflects the rel attribute. It is a string containing a space-separated list of link types indicating the relationship between the resource represented by the <a> element and the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/rel)
     */
    rel: string;
    /**
     * The read-only **`relList`** property of the HTMLAnchorElement returns a live DOMTokenList object containing the set of link types indicating the relationship between the resource represented by the <a> element and the current document. It reflects the <a> element's rel content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/relList)
     */
    get relList(): DOMTokenList;
    set relList(value: string);
    /** @deprecated */
    rev: string;
    /** @deprecated */
    shape: string;
    /**
     * The **`target`** property of the HTMLAnchorElement interface is a string that indicates where to display the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/target)
     */
    target: string;
    /**
     * The **`text`** property of the HTMLAnchorElement represents the text inside the element. This property represents the same information as Node.textContent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/text)
     */
    text: string;
    /**
     * The **`type`** property of the HTMLAnchorElement interface is a string that indicates the MIME type of the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/type)
     */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLAnchorElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLAnchorElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLAnchorElement: {
    prototype: HTMLAnchorElement;
    new(): HTMLAnchorElement;
};

/**
 * The **`HTMLAreaElement`** interface provides special properties and methods (beyond those of the regular object HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <area> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement)
 */
interface HTMLAreaElement extends HTMLElement, HTMLHyperlinkElementUtils {
    /**
     * The **`alt`** property of the HTMLAreaElement interface specifies the text of the hyperlink, defining the textual label for an image map's link. It reflects the <area> element's alt attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/alt)
     */
    alt: string;
    /**
     * The **`coords`** property of the HTMLAreaElement interface specifies the coordinates of the element's shape as a list of floating-point numbers. It reflects the <area> element's coords attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/coords)
     */
    coords: string;
    /**
     * The **`download`** property of the HTMLAreaElement interface is a string indicating that the linked resource is intended to be downloaded rather than displayed in the browser. The value represent the proposed name of the file. If the name is not a valid filename of the underlying OS, browser will adjust it accordingly.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/download)
     */
    download: string;
    /** @deprecated */
    noHref: boolean;
    /**
     * The **`ping`** property of the HTMLAreaElement interface is a space-separated list of URLs. When the link is followed, the browser will send POST requests with the body PING to the URLs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/ping)
     */
    ping: string;
    /**
     * The **`HTMLAreaElement.referrerPolicy`** property reflect the HTML referrerpolicy attribute of the <area> element defining which referrer is sent when fetching the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/referrerPolicy)
     */
    referrerPolicy: string;
    /**
     * The **`HTMLAreaElement.rel`** property reflects the rel attribute. It is a string containing a space-separated list of link types indicating the relationship between the resource represented by the <area> element and the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/rel)
     */
    rel: string;
    /**
     * The read-only **`relList`** property of the HTMLAreaElement returns a live DOMTokenList object containing the set of link types indicating the relationship between the resource represented by the <area> element and the current document. It reflects the <area> element's rel content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/relList)
     */
    get relList(): DOMTokenList;
    set relList(value: string);
    /**
     * The **`shape`** property of the HTMLAreaElement interface specifies the shape of an image map area. It reflects the <area> element's shape attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/shape)
     */
    shape: string;
    /**
     * The **`target`** property of the HTMLAreaElement interface is a string that indicates where to display the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAreaElement/target)
     */
    target: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLAreaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLAreaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLAreaElement: {
    prototype: HTMLAreaElement;
    new(): HTMLAreaElement;
};

/**
 * The **`HTMLAudioElement`** interface provides access to the properties of <audio> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAudioElement)
 */
interface HTMLAudioElement extends HTMLMediaElement {
    addEventListener<K extends keyof HTMLMediaElementEventMap>(type: K, listener: (this: HTMLAudioElement, ev: HTMLMediaElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLMediaElementEventMap>(type: K, listener: (this: HTMLAudioElement, ev: HTMLMediaElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLAudioElement: {
    prototype: HTMLAudioElement;
    new(): HTMLAudioElement;
};

/**
 * The **`HTMLBRElement`** interface represents an HTML line break element (<br>). It inherits from HTMLElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBRElement)
 */
interface HTMLBRElement extends HTMLElement {
    /** @deprecated */
    clear: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLBRElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLBRElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLBRElement: {
    prototype: HTMLBRElement;
    new(): HTMLBRElement;
};

/**
 * The **`HTMLBaseElement`** interface contains the base URI for a document. This object inherits all of the properties and methods as described in the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBaseElement)
 */
interface HTMLBaseElement extends HTMLElement {
    /**
     * The **`href`** property of the HTMLBaseElement interface contains a string that is the URL to use as the base for relative URLs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBaseElement/href)
     */
    href: string;
    /**
     * The **`target`** property of the HTMLBaseElement interface is a string that represents the default target tab to show the resulting output for hyperlinks and form elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBaseElement/target)
     */
    target: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLBaseElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLBaseElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLBaseElement: {
    prototype: HTMLBaseElement;
    new(): HTMLBaseElement;
};

interface HTMLBodyElementEventMap extends HTMLElementEventMap, WindowEventHandlersEventMap {
}

/**
 * The **`HTMLBodyElement`** interface provides special properties (beyond those inherited from the regular HTMLElement interface) for manipulating <body> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBodyElement)
 */
interface HTMLBodyElement extends HTMLElement, WindowEventHandlers {
    /** @deprecated */
    aLink: string;
    /** @deprecated */
    background: string;
    /** @deprecated */
    bgColor: string;
    /** @deprecated */
    link: string;
    /** @deprecated */
    text: string;
    /** @deprecated */
    vLink: string;
    addEventListener<K extends keyof HTMLBodyElementEventMap>(type: K, listener: (this: HTMLBodyElement, ev: HTMLBodyElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLBodyElementEventMap>(type: K, listener: (this: HTMLBodyElement, ev: HTMLBodyElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLBodyElement: {
    prototype: HTMLBodyElement;
    new(): HTMLBodyElement;
};

/**
 * The **`HTMLButtonElement`** interface provides properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <button> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement)
 */
interface HTMLButtonElement extends HTMLElement, PopoverTargetAttributes {
    /**
     * The **`command`** property of the HTMLButtonElement interface gets and sets the action to be performed on an element being controlled by this button. For this to have an effect, commandfor must be set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/command)
     */
    command: string;
    /**
     * The **`commandForElement`** property of the HTMLButtonElement interface gets and sets the element to control via a button.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/commandForElement)
     */
    commandForElement: Element | null;
    /**
     * The **`HTMLButtonElement.disabled`** property indicates whether the control is disabled, meaning that it does not accept any clicks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`form`** read-only property of the HTMLButtonElement interface returns an HTMLFormElement object that owns this <button>, or null if this button is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`formAction`** property of the HTMLButtonElement interface is the URL of the program that is executed on the server when the form that owns this control is submitted. It reflects the value of the <button>'s formaction attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formAction)
     */
    formAction: string;
    /**
     * The **`formEnctype`** property of the HTMLButtonElement interface is the MIME type of the content sent to the server when the form is submitted. It reflects the value of the <button>'s formenctype attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formEnctype)
     */
    formEnctype: string;
    /**
     * The **`formMethod`** property of the HTMLButtonElement interface is the HTTP method used to submit the <form> if the <button> element is the control that submits the form. It reflects the value of the <button>'s formmethod attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formMethod)
     */
    formMethod: string;
    /**
     * The **`formNoValidate`** property of the HTMLButtonElement interface is a boolean value indicating if the <form> will bypass constraint validation when submitted via the <button>. It reflects the <button> element's formnovalidate attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formNoValidate)
     */
    formNoValidate: boolean;
    /**
     * The **`formTarget`** property of the HTMLButtonElement interface is the tab, window, or iframe where the response of the submitted <form> is to be displayed. It reflects the value of the <button> element's formtarget attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formTarget)
     */
    formTarget: string;
    /**
     * The **`HTMLButtonElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <button> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`name`** property of the HTMLButtonElement interface indicates the name of the <button> element or the empty string if the element has no name. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/name)
     */
    name: string;
    /**
     * The **`type`** property of the HTMLButtonElement interface is a string that indicates the behavior type of the <button> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/type)
     */
    type: "submit" | "reset" | "button";
    /**
     * The **`validationMessage`** read-only property of the HTMLButtonElement interface returns a string representing a localized message that describes the validation constraints that the <button> control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (the <button>'s type is button or reset), or it satisfies its constraints.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLButtonElement interface returns a ValidityState object that represents the validity states this element is in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`value`** property of the HTMLButtonElement interface represents the value of the <button> element as a string, or the empty string if no value is set. It reflects the element's value attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/value)
     */
    value: string;
    /**
     * The **`willValidate`** read-only property of the HTMLButtonElement interface indicates whether the <button> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, including:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the HTMLButtonElement interface returns a boolean value which indicates if the element meets any constraint validation rules applied to it. If false, the method also fires an invalid event on the element. Because there's no default browser behavior for checkValidity(), canceling this invalid event has no effect. It always returns true if the <button> element's type is "button" or "reset", because such buttons are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLButtonElement interface performs the same validity checking steps as the checkValidity() method. In addition, if the invalid event is not canceled, the browser displays the problem to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`setCustomValidity()`** method of the HTMLButtonElement interface sets the custom validity message for the <button> element. Use the empty string to indicate that the element does not have a custom validity error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLButtonElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLButtonElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLButtonElement: {
    prototype: HTMLButtonElement;
    new(): HTMLButtonElement;
};

/**
 * The **`HTMLCanvasElement`** interface provides properties and methods for manipulating the layout and presentation of <canvas> elements. The HTMLCanvasElement interface also inherits the properties and methods of the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement)
 */
interface HTMLCanvasElement extends HTMLElement {
    /**
     * The **`HTMLCanvasElement.height`** property is a positive integer reflecting the height HTML attribute of the <canvas> element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of 150 is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/height)
     */
    height: number;
    /**
     * The **`HTMLCanvasElement.width`** property is a positive integer reflecting the width HTML attribute of the <canvas> element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of 300 is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/width)
     */
    width: number;
    /**
     * The **`captureStream()`** method of the HTMLCanvasElement interface returns a MediaStream which includes a CanvasCaptureMediaStreamTrack containing a real-time video capture of the canvas's contents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/captureStream)
     */
    captureStream(frameRequestRate?: number): MediaStream;
    /**
     * The **`HTMLCanvasElement.getContext()`** method returns a drawing context on the canvas, or null if the context identifier is not supported, or the canvas has already been set to a different context mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/getContext)
     */
    getContext(contextId: "2d", options?: CanvasRenderingContext2DSettings): CanvasRenderingContext2D | null;
    getContext(contextId: "bitmaprenderer", options?: ImageBitmapRenderingContextSettings): ImageBitmapRenderingContext | null;
    getContext(contextId: "webgl", options?: WebGLContextAttributes): WebGLRenderingContext | null;
    getContext(contextId: "webgl2", options?: WebGLContextAttributes): WebGL2RenderingContext | null;
    getContext(contextId: string, options?: any): RenderingContext | null;
    /**
     * The **`HTMLCanvasElement.toBlob()`** method creates a Blob object representing the image contained in the canvas. This file may be cached on the disk or stored in memory at the discretion of the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/toBlob)
     */
    toBlob(callback: BlobCallback, type?: string, quality?: number): void;
    /**
     * The **`HTMLCanvasElement.toDataURL()`** method returns a data URL containing a representation of the image in the format specified by the type parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/toDataURL)
     */
    toDataURL(type?: string, quality?: number): string;
    /**
     * The **`HTMLCanvasElement.transferControlToOffscreen()`** method transfers control to an OffscreenCanvas object, either on the main thread or on a worker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/transferControlToOffscreen)
     */
    transferControlToOffscreen(): OffscreenCanvas;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLCanvasElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLCanvasElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLCanvasElement: {
    prototype: HTMLCanvasElement;
    new(): HTMLCanvasElement;
};

/**
 * The **`HTMLCollection`** interface represents a generic collection (array-like object similar to arguments) of elements (in document order) and offers methods and properties for selecting from the list.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCollection)
 */
interface HTMLCollectionBase {
    /**
     * The **`HTMLCollection.length`** property returns the number of items in a HTMLCollection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCollection/length)
     */
    readonly length: number;
    /**
     * The HTMLCollection method **`item()`** returns the element located at the specified offset into the collection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCollection/item)
     */
    item(index: number): Element | null;
    [index: number]: Element;
}

interface HTMLCollection extends HTMLCollectionBase {
    /**
     * The **`namedItem()`** method of the HTMLCollection interface returns the first Element in the collection whose id or name attribute match the specified name, or null if no element matches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLCollection/namedItem)
     */
    namedItem(name: string): Element | null;
}

declare var HTMLCollection: {
    prototype: HTMLCollection;
    new(): HTMLCollection;
};

interface HTMLCollectionOf<T extends Element> extends HTMLCollectionBase {
    item(index: number): T | null;
    namedItem(name: string): T | null;
    [index: number]: T;
}

/**
 * The **`HTMLDListElement`** interface provides special properties (beyond those of the regular HTMLElement interface it also has available to it by inheritance) for manipulating definition list (<dl>) elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDListElement)
 */
interface HTMLDListElement extends HTMLElement {
    /**
     * The **`compact`** property of the HTMLDListElement interface indicates that spacing between list items should be reduced. The exact handling of the compact attribute is browser-specific. Instead of using this property, consider using CSS line-height instead.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDListElement/compact)
     */
    compact: boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDListElement: {
    prototype: HTMLDListElement;
    new(): HTMLDListElement;
};

/**
 * The **`HTMLDataElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <data> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDataElement)
 */
interface HTMLDataElement extends HTMLElement {
    /**
     * The **`value`** property of the HTMLDataElement interface returns a string reflecting the value HTML attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDataElement/value)
     */
    value: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDataElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDataElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDataElement: {
    prototype: HTMLDataElement;
    new(): HTMLDataElement;
};

/**
 * The **`HTMLDataListElement`** interface provides special properties (beyond the HTMLElement object interface it also has available to it by inheritance) to manipulate <datalist> elements and their content.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDataListElement)
 */
interface HTMLDataListElement extends HTMLElement {
    /**
     * The **`options`** read-only property of the HTMLDataListElement interface returns an HTMLCollection of HTMLOptionElement elements contained in a <datalist>. The descendant <option> elements provide predefined options for the <input> control associated with the <datalist>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDataListElement/options)
     */
    readonly options: HTMLCollectionOf<HTMLOptionElement>;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDataListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDataListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDataListElement: {
    prototype: HTMLDataListElement;
    new(): HTMLDataListElement;
};

/**
 * The **`HTMLDetailsElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <details> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDetailsElement)
 */
interface HTMLDetailsElement extends HTMLElement {
    /**
     * The **`name`** property of the HTMLDetailsElement interface reflects the name attribute of <details> elements. It enables multiple <details> elements to be connected together, where only one for the <details> elements can be open at once. This allows developers to easily create UI features such as accordions without scripting.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDetailsElement/name)
     */
    name: string;
    /**
     * The **`open`** property of the HTMLDetailsElement interface is a boolean value reflecting the open HTML attribute, indicating whether the <details>'s contents (not counting the <summary>) is to be shown to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDetailsElement/open)
     */
    open: boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDetailsElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDetailsElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDetailsElement: {
    prototype: HTMLDetailsElement;
    new(): HTMLDetailsElement;
};

/**
 * The **`HTMLDialogElement`** interface provides methods to manipulate <dialog> elements. It inherits properties and methods from the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement)
 */
interface HTMLDialogElement extends HTMLElement {
    /**
     * The **`closedBy`** property of the HTMLDialogElement interface indicates the types of user actions that can be used to close the associated <dialog> element. It sets or returns the dialog's closedby attribute value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/closedBy)
     */
    closedBy: string;
    /**
     * The **`open`** property of the HTMLDialogElement interface is a boolean value reflecting the open HTML attribute, indicating whether the <dialog> is available for interaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/open)
     */
    open: boolean;
    /**
     * The **`returnValue`** property of the HTMLDialogElement interface is a string representing the return value for a <dialog> element when it's closed. You can set the value directly (dialog.returnValue = "result") or by providing the value as a string argument to close() or requestClose().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/returnValue)
     */
    returnValue: string;
    /**
     * The **`close()`** method of the HTMLDialogElement interface closes the <dialog>. An optional string may be passed as an argument, updating the returnValue of the dialog.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/close)
     */
    close(returnValue?: string): void;
    /**
     * The **`requestClose()`** method of the HTMLDialogElement interface requests to close the <dialog>. An optional string may be passed as an argument, updating the returnValue of the dialog.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/requestClose)
     */
    requestClose(returnValue?: string): void;
    /**
     * The **`show()`** method of the HTMLDialogElement interface displays the dialog as a non-modal dialog.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/show)
     */
    show(): void;
    /**
     * The **`showModal()`** method of the HTMLDialogElement interface displays the dialog as a modal dialog, over the top of any other dialogs or elements that might be visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDialogElement/showModal)
     */
    showModal(): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDialogElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDialogElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDialogElement: {
    prototype: HTMLDialogElement;
    new(): HTMLDialogElement;
};

/** @deprecated */
interface HTMLDirectoryElement extends HTMLElement {
    /** @deprecated */
    compact: boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDirectoryElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDirectoryElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLDirectoryElement: {
    prototype: HTMLDirectoryElement;
    new(): HTMLDirectoryElement;
};

/**
 * The **`HTMLDivElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <div> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLDivElement)
 */
interface HTMLDivElement extends HTMLElement {
    /** @deprecated */
    align: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDivElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLDivElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDivElement: {
    prototype: HTMLDivElement;
    new(): HTMLDivElement;
};

/** For historical reasons, Window objects have a **`window.HTMLDocument`** property whose value is the Document interface. So you can think of HTMLDocument as an alias for Document, and you can find documentation for HTMLDocument members under the documentation for the Document interface. */
interface HTMLDocument extends Document {
    addEventListener<K extends keyof DocumentEventMap>(type: K, listener: (this: HTMLDocument, ev: DocumentEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof DocumentEventMap>(type: K, listener: (this: HTMLDocument, ev: DocumentEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLDocument: {
    prototype: HTMLDocument;
    new(): HTMLDocument;
};

interface HTMLElementEventMap extends ElementEventMap, GlobalEventHandlersEventMap {
}

/**
 * The **`HTMLElement`** interface represents any HTML element. Some elements directly implement this interface, while others implement it via an interface that inherits it.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement)
 */
interface HTMLElement extends Element, ElementCSSInlineStyle, ElementContentEditable, GlobalEventHandlers, HTMLOrSVGElement {
    /**
     * The **`HTMLElement.accessKey`** property sets the keystroke which a user can press to jump to a given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/accessKey)
     */
    accessKey: string;
    /**
     * The **`HTMLElement.accessKeyLabel`** read-only property returns a string containing the element's browser-assigned access key (if any); otherwise it returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/accessKeyLabel)
     */
    readonly accessKeyLabel: string;
    /**
     * The **`autocapitalize`** property of the HTMLElement interface represents the element's capitalization behavior for user input. It is available on all HTML elements, though it doesn't affect all of them, including:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/autocapitalize)
     */
    autocapitalize: string;
    /**
     * The **`autocorrect`** property of the HTMLElement interface controls whether or not autocorrection of editable text is enabled for spelling and/or punctuation errors.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/autocorrect)
     */
    autocorrect: boolean;
    /**
     * The **`HTMLElement.dir`** property indicates the text writing directionality of the content of the current element. It reflects the element's dir attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dir)
     */
    dir: string;
    /**
     * The **`draggable`** property of the HTMLElement interface gets and sets a Boolean primitive indicating if the element is draggable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/draggable)
     */
    draggable: boolean;
    /**
     * The HTMLElement property **`hidden`** reflects the value of the element's hidden attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/hidden)
     */
    hidden: boolean | "until-found";
    /**
     * The HTMLElement property **`inert`** reflects the value of the element's inert attribute. It is a boolean value that, when present, makes the browser "ignore" user input events for the element, including focus events and events from assistive technologies. The browser may also ignore page search and text selection in the element. This can be useful when building UIs such as modals where you would want to "trap" the focus inside the modal when it's visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/inert)
     */
    inert: boolean;
    /**
     * The **`innerText`** property of the HTMLElement interface represents the rendered text content of a node and its descendants.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/innerText)
     */
    innerText: string;
    /**
     * The **`lang`** property of the HTMLElement interface indicates the base language of an element's attribute values and text content, in the form of a BCP 47 language tag. It reflects the element's lang attribute; the xml:lang attribute does not affect this property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/lang)
     */
    lang: string;
    /**
     * The **`offsetHeight`** read-only property of the HTMLElement interface returns the height of an element, including vertical padding and borders, as an integer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/offsetHeight)
     */
    readonly offsetHeight: number;
    /**
     * The **`offsetLeft`** read-only property of the HTMLElement interface returns the number of pixels that the upper left corner of the current element is offset to the left within the HTMLElement.offsetParent node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/offsetLeft)
     */
    readonly offsetLeft: number;
    /**
     * The **`HTMLElement.offsetParent`** read-only property returns a reference to the element which is the closest (nearest in the containment hierarchy) positioned ancestor element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/offsetParent)
     */
    readonly offsetParent: Element | null;
    /**
     * The **`offsetTop`** read-only property of the HTMLElement interface returns the distance from the outer border of the current element (including its margin) to the top padding edge of the offsetParent, the closest positioned ancestor element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/offsetTop)
     */
    readonly offsetTop: number;
    /**
     * The **`offsetWidth`** read-only property of the HTMLElement interface returns the layout width of an element as an integer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/offsetWidth)
     */
    readonly offsetWidth: number;
    /**
     * The **`outerText`** property of the HTMLElement interface returns the same value as HTMLElement.innerText. When used as a setter it replaces the whole current node with the given text (this differs from innerText, which replaces the content inside the current node).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/outerText)
     */
    outerText: string;
    /**
     * The **`popover`** property of the HTMLElement interface gets and sets an element's popover state via JavaScript ("auto", "hint", or "manual"), and can be used for feature detection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/popover)
     */
    popover: string | null;
    /**
     * The **`spellcheck`** property of the HTMLElement interface represents a boolean value that controls the spell-checking hint. It is available on all HTML elements, though it doesn't affect all of them.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/spellcheck)
     */
    spellcheck: boolean;
    /**
     * The **`HTMLElement.title`** property represents the title of the element: the text usually displayed in a 'tooltip' popup when the mouse is over the node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/title)
     */
    title: string;
    /**
     * The **`translate`** property of the HTMLElement interface indicates whether an element's attribute values and the values of its Text node children are to be translated when the page is localized, or whether to leave them unchanged.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/translate)
     */
    translate: boolean;
    /**
     * The **`writingSuggestions`** property of the HTMLElement interface is a string indicating if browser-provided writing suggestions should be enabled under the scope of the element or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/writingSuggestions)
     */
    writingSuggestions: string;
    /**
     * The **`HTMLElement.attachInternals()`** method returns an ElementInternals object. This method allows a custom element to participate in HTML forms. The ElementInternals interface provides utilities for working with these elements in the same way you would work with any standard HTML form element, and also exposes the Accessibility Object Model to the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/attachInternals)
     */
    attachInternals(): ElementInternals;
    /**
     * The **`HTMLElement.click()`** method simulates a mouse click on an element. When called on an element, the element's click event is fired (unless its disabled attribute is set).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/click)
     */
    click(): void;
    /**
     * The **`hidePopover()`** method of the HTMLElement interface hides a popover element (i.e., one that has a valid popover attribute) by removing it from the top layer and styling it with display: none.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/hidePopover)
     */
    hidePopover(): void;
    /**
     * The **`showPopover()`** method of the HTMLElement interface shows a popover element (i.e., one that has a valid popover attribute) by adding it to the top layer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/showPopover)
     */
    showPopover(options?: ShowPopoverOptions): void;
    /**
     * The **`togglePopover()`** method of the HTMLElement interface toggles a popover element (i.e., one that has a valid popover attribute) between the hidden and showing states.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/togglePopover)
     */
    togglePopover(options?: TogglePopoverOptions | boolean): boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLElement: {
    prototype: HTMLElement;
    new(): HTMLElement;
};

/**
 * The **`HTMLEmbedElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <embed> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement)
 */
interface HTMLEmbedElement extends HTMLElement {
    /** @deprecated */
    align: string;
    /**
     * The **`height`** property of the HTMLEmbedElement interface returns a string that reflects the height attribute of the <embed> element, indicating the displayed height of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement/height)
     */
    height: string;
    /** @deprecated */
    name: string;
    /**
     * The **`src`** property of the HTMLEmbedElement interface returns a string that indicates the URL of the resource being embedded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement/src)
     */
    src: string;
    /**
     * The **`type`** property of the HTMLEmbedElement interface returns a string that reflects the type attribute of the <embed> element, indicating the MIME type of the resource. It reflects the <embed> element's type attribute
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement/type)
     */
    type: string;
    /**
     * The **`width`** property of the HTMLEmbedElement interface returns a string that reflects the width attribute of the <embed> element, indicating the displayed width of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement/width)
     */
    width: string;
    /**
     * The **`getSVGDocument()`** method of the HTMLEmbedElement interface returns the Document object of the embedded SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLEmbedElement/getSVGDocument)
     */
    getSVGDocument(): Document | null;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLEmbedElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLEmbedElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLEmbedElement: {
    prototype: HTMLEmbedElement;
    new(): HTMLEmbedElement;
};

/**
 * The **`HTMLFieldSetElement`** interface provides special properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <fieldset> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement)
 */
interface HTMLFieldSetElement extends HTMLElement {
    /**
     * The **`disabled`** property of the HTMLFieldSetElement interface is a boolean value that reflects the <fieldset> element's disabled attribute, which indicates whether the control is disabled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`elements`** read-only property of the HTMLFieldSetElement interface returns an HTMLCollection object containing all form control elements (<button>, <fieldset>, <input>, <object>, <output>, <select>, and <textarea>) that are descendants of this field set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/elements)
     */
    readonly elements: HTMLCollection;
    /**
     * The **`form`** read-only property of the HTMLFieldSetElement interface returns an HTMLFormElement object that owns this <fieldset>, or null if this fieldset is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`name`** property of the HTMLFieldSetElement interface indicates the name of the <fieldset> element. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/name)
     */
    name: string;
    /**
     * The **`type`** read-only property of the HTMLFieldSetElement interface returns the string "fieldset".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/type)
     */
    readonly type: string;
    /**
     * The **`validationMessage`** read-only property of the HTMLFieldSetElement interface returns a string representing a localized message that describes the validation constraints that the <fieldset> control does not satisfy (if any). This is the empty string as <fieldset> elements are not candidates for constraint validation (HTMLFieldSetElement.willValidate is false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLFieldSetElement interface returns a ValidityState object that represents the validity states this element is in. Although <fieldset> elements are never candidates for constraint validation, the validity state may still be invalid if a custom validity message has been set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`willValidate`** read-only property of the HTMLFieldSetElement interface returns false, because <fieldset> elements are not candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the HTMLFieldSetElement interface checks if the element is valid, but always returns true because <fieldset> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLFieldSetElement interface performs the same validity checking steps as the checkValidity() method. It always returns true because <fieldset> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`setCustomValidity()`** method of the HTMLFieldSetElement interface sets the custom validity message for the <fieldset> element. Use the empty string to indicate that the element does not have a custom validity error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFieldSetElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFieldSetElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFieldSetElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLFieldSetElement: {
    prototype: HTMLFieldSetElement;
    new(): HTMLFieldSetElement;
};

/**
 * Implements the document object model (DOM) representation of the font element. The HTML Font Element <font> defines the font size, font face and color of text.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFontElement)
 */
interface HTMLFontElement extends HTMLElement {
    /**
     * The obsolete **`HTMLFontElement.color`** property is a string that reflects the color HTML attribute, containing either a named color or a color specified in the hexadecimal #RRGGBB format.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFontElement/color)
     */
    color: string;
    /**
     * The obsolete **`HTMLFontElement.face`** property is a string that reflects the face HTML attribute, containing a comma-separated list of one or more font names.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFontElement/face)
     */
    face: string;
    /**
     * The obsolete **`HTMLFontElement.size`** property is a string that reflects the size HTML attribute. It contains either a font size ranging from 1 to 7 or a number relative to the default value 3, for example -2 or +1.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFontElement/size)
     */
    size: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFontElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFontElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLFontElement: {
    prototype: HTMLFontElement;
    new(): HTMLFontElement;
};

/**
 * The **`HTMLFormControlsCollection`** interface represents a collection of HTML form control elements, returned by the HTMLFormElement interface's elements property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormControlsCollection)
 */
interface HTMLFormControlsCollection extends HTMLCollectionBase {
    /**
     * The **`HTMLFormControlsCollection.namedItem()`** method returns the RadioNodeList or the Element in the collection whose name or id match the specified name, or null if no node matches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormControlsCollection/namedItem)
     */
    namedItem(name: string): RadioNodeList | Element | null;
}

declare var HTMLFormControlsCollection: {
    prototype: HTMLFormControlsCollection;
    new(): HTMLFormControlsCollection;
};

/**
 * The **`HTMLFormElement`** interface represents a <form> element in the DOM. It allows access to—and, in some cases, modification of—aspects of the form, as well as access to its component elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement)
 */
interface HTMLFormElement extends HTMLElement {
    /**
     * The **`HTMLFormElement.acceptCharset`** property represents the character encoding for the given <form> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/acceptCharset)
     */
    acceptCharset: string;
    /**
     * The **`HTMLFormElement.action`** property represents the action of the <form> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/action)
     */
    action: string;
    /**
     * The **`autocomplete`** property of the HTMLFormElement interface indicates whether the value of the form's controls can be automatically completed by the browser. It reflects the <form> element's autocomplete attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/autocomplete)
     */
    autocomplete: AutoFillBase;
    /**
     * The **`elements`** property of the HTMLFormElement interface returns an HTMLFormControlsCollection listing all the listed form controls associated with the <form> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/elements)
     */
    readonly elements: HTMLFormControlsCollection;
    /**
     * The **`HTMLFormElement.encoding`** property is an alternative name for the enctype element on the DOM HTMLFormElement object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/encoding)
     */
    encoding: string;
    /**
     * The **`HTMLFormElement.enctype`** property is the MIME type of content that is used to submit the form to the server. Possible values are:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/enctype)
     */
    enctype: string;
    /**
     * The **`HTMLFormElement.length`** read-only property returns the number of controls in the <form> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/length)
     */
    readonly length: number;
    /**
     * The **`HTMLFormElement.method`** property represents the HTTP method used to submit the <form>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/method)
     */
    method: string;
    /**
     * The **`HTMLFormElement.name`** property represents the name of the current <form> element as a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/name)
     */
    name: string;
    /**
     * The **`noValidate`** property of the HTMLFormElement interface is a boolean value indicating if the <form> will bypass constraint validation when submitted. It reflects the <form> element's novalidate attribute; if the attribute present, the value is true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/noValidate)
     */
    noValidate: boolean;
    /**
     * The **`rel`** property of the HTMLFormElement interface reflects the rel attribute. It is a string containing what kinds of links the HTML <form> element creates, as a space-separated list of enumerated values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/rel)
     */
    rel: string;
    /**
     * The read-only **`relList`** property of the HTMLFormElement returns a live DOMTokenList object containing the set of link types indicating the relationship between the resource represented by the <form> element and the current document. It reflects the <form> element's rel content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/relList)
     */
    get relList(): DOMTokenList;
    set relList(value: string);
    /**
     * The **`target`** property of the HTMLFormElement interface represents the target of the form's action (i.e., the frame in which to render its output).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/target)
     */
    target: string;
    /**
     * The **`checkValidity()`** method of the HTMLFormElement interface returns a boolean value which indicates if all associated controls meet any constraint validation rules applied to them. The method also fires an invalid event on each invalid element, but not on the form element itself. Because there's no default browser behavior for checkValidity(), canceling this invalid event has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLFormElement interface performs the same validity checking steps as the checkValidity() method. In addition, for each invalid event that was fired and not canceled, the browser displays the problem to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The HTMLFormElement method **`requestSubmit()`** requests that the form be submitted using a specific submit button.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/requestSubmit)
     */
    requestSubmit(submitter?: HTMLElement | null): void;
    /**
     * The **`HTMLFormElement.reset()`** method restores a form element's default values. This method does the same thing as clicking the form's <input type="reset"> control.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/reset)
     */
    reset(): void;
    /**
     * The **`HTMLFormElement.submit()`** method submits a given <form>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFormElement/submit)
     */
    submit(): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFormElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFormElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
    [index: number]: Element;
    [name: string]: any;
}

declare var HTMLFormElement: {
    prototype: HTMLFormElement;
    new(): HTMLFormElement;
};

/** @deprecated */
interface HTMLFrameElement extends HTMLElement {
    /** @deprecated */
    readonly contentDocument: Document | null;
    /** @deprecated */
    readonly contentWindow: WindowProxy | null;
    /** @deprecated */
    frameBorder: string;
    /** @deprecated */
    longDesc: string;
    /** @deprecated */
    marginHeight: string;
    /** @deprecated */
    marginWidth: string;
    /** @deprecated */
    name: string;
    /** @deprecated */
    noResize: boolean;
    /** @deprecated */
    scrolling: string;
    /** @deprecated */
    src: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFrameElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLFrameElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLFrameElement: {
    prototype: HTMLFrameElement;
    new(): HTMLFrameElement;
};

interface HTMLFrameSetElementEventMap extends HTMLElementEventMap, WindowEventHandlersEventMap {
}

/**
 * The **`HTMLFrameSetElement`** interface provides special properties (beyond those of the regular HTMLElement interface they also inherit) for manipulating <frameset> elements.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLFrameSetElement)
 */
interface HTMLFrameSetElement extends HTMLElement, WindowEventHandlers {
    /** @deprecated */
    cols: string;
    /** @deprecated */
    rows: string;
    addEventListener<K extends keyof HTMLFrameSetElementEventMap>(type: K, listener: (this: HTMLFrameSetElement, ev: HTMLFrameSetElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLFrameSetElementEventMap>(type: K, listener: (this: HTMLFrameSetElement, ev: HTMLFrameSetElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLFrameSetElement: {
    prototype: HTMLFrameSetElement;
    new(): HTMLFrameSetElement;
};

/**
 * The **`HTMLHRElement`** interface provides special properties (beyond those of the HTMLElement interface it also has available to it by inheritance) for manipulating <hr> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLHRElement)
 */
interface HTMLHRElement extends HTMLElement {
    /** @deprecated */
    align: string;
    /** @deprecated */
    color: string;
    /** @deprecated */
    noShade: boolean;
    /** @deprecated */
    size: string;
    /** @deprecated */
    width: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHRElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHRElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLHRElement: {
    prototype: HTMLHRElement;
    new(): HTMLHRElement;
};

/**
 * The **`HTMLHeadElement`** interface contains the descriptive information, or metadata, for a document. This object inherits all of the properties and methods described in the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLHeadElement)
 */
interface HTMLHeadElement extends HTMLElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHeadElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHeadElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLHeadElement: {
    prototype: HTMLHeadElement;
    new(): HTMLHeadElement;
};

/**
 * The **`HTMLHeadingElement`** interface represents the different heading elements, <h1> through <h6>. It inherits methods and properties from the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLHeadingElement)
 */
interface HTMLHeadingElement extends HTMLElement {
    /** @deprecated */
    align: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHeadingElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHeadingElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLHeadingElement: {
    prototype: HTMLHeadingElement;
    new(): HTMLHeadingElement;
};

/**
 * The **`HTMLHtmlElement`** interface serves as the root node for a given HTML document. This object inherits the properties and methods described in the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLHtmlElement)
 */
interface HTMLHtmlElement extends HTMLElement {
    /**
     * Returns **`version`** information about the document type definition (DTD) of a document. While this property is recognized by Mozilla, the return value for this property is always an empty string.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLHtmlElement/version)
     */
    version: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHtmlElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLHtmlElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLHtmlElement: {
    prototype: HTMLHtmlElement;
    new(): HTMLHtmlElement;
};

interface HTMLHyperlinkElementUtils {
    /**
     * Returns the hyperlink's URL's fragment (includes leading "#" if non-empty).
     *
     * Can be set, to change the URL's fragment (ignores leading "#").
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/hash)
     */
    hash: string;
    /**
     * Returns the hyperlink's URL's host and port (if different from the default port for the scheme).
     *
     * Can be set, to change the URL's host and port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/host)
     */
    host: string;
    /**
     * Returns the hyperlink's URL's host.
     *
     * Can be set, to change the URL's host.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/hostname)
     */
    hostname: string;
    /**
     * Returns the hyperlink's URL.
     *
     * Can be set, to change the URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/href)
     */
    href: string;
    toString(): string;
    /**
     * Returns the hyperlink's URL's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/origin)
     */
    readonly origin: string;
    /**
     * Returns the hyperlink's URL's password.
     *
     * Can be set, to change the URL's password.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/password)
     */
    password: string;
    /**
     * Returns the hyperlink's URL's path.
     *
     * Can be set, to change the URL's path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/pathname)
     */
    pathname: string;
    /**
     * Returns the hyperlink's URL's port.
     *
     * Can be set, to change the URL's port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/port)
     */
    port: string;
    /**
     * Returns the hyperlink's URL's scheme.
     *
     * Can be set, to change the URL's scheme.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/protocol)
     */
    protocol: string;
    /**
     * Returns the hyperlink's URL's query (includes leading "?" if non-empty).
     *
     * Can be set, to change the URL's query (ignores leading "?").
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/search)
     */
    search: string;
    /**
     * Returns the hyperlink's URL's username.
     *
     * Can be set, to change the URL's username.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLAnchorElement/username)
     */
    username: string;
}

/**
 * The **`HTMLIFrameElement`** interface provides special properties and methods (beyond those of the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of inline frame elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement)
 */
interface HTMLIFrameElement extends HTMLElement {
    /** @deprecated */
    align: string;
    /**
     * The **`allow`** property of the HTMLIFrameElement interface indicates the Permissions Policy specified for this <iframe> element. The policy defines what features are available to the <iframe> element (for example, access to the microphone, camera, battery, web-share, etc.) based on the origin of the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/allow)
     */
    allow: string;
    /**
     * The **`allowFullscreen`** property of the HTMLIFrameElement interface is a boolean value that reflects the allowfullscreen attribute of the <iframe> element, indicating whether to allow the iframe's contents to use requestFullscreen().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/allowFullscreen)
     */
    allowFullscreen: boolean;
    /**
     * If the iframe and the iframe's parent document are Same Origin, returns a Document (that is, the active document in the inline frame's nested browsing context), else returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/contentDocument)
     */
    readonly contentDocument: Document | null;
    /**
     * The **`contentWindow`** property returns the Window object of an HTMLIFrameElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/contentWindow)
     */
    readonly contentWindow: WindowProxy | null;
    /** @deprecated */
    frameBorder: string;
    /**
     * The **`height`** property of the HTMLIFrameElement interface returns a string that reflects the height attribute of the <iframe> element, indicating the height of the frame in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/height)
     */
    height: string;
    /**
     * The **`loading`** property of the HTMLIFrameElement interface is a string that provides a hint to the user agent indicating whether the iframe should be loaded immediately on page load, or only when it is needed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/loading)
     */
    loading: "eager" | "lazy";
    /** @deprecated */
    longDesc: string;
    /** @deprecated */
    marginHeight: string;
    /** @deprecated */
    marginWidth: string;
    /**
     * The **`name`** property of the HTMLIFrameElement interface is a string value that reflects the name attribute of the <iframe> element, indicating the specific name of the <iframe> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/name)
     */
    name: string;
    /**
     * The **`HTMLIFrameElement.referrerPolicy`** property reflects the HTML referrerpolicy attribute of the <iframe> element defining which referrer is sent when fetching the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/referrerPolicy)
     */
    referrerPolicy: ReferrerPolicy;
    /**
     * The read-only **`sandbox`** property of the HTMLIFrameElement returns a live DOMTokenList object indicating extra restrictions on the behavior of the nested content. It reflects the <iframe> element's sandbox content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/sandbox)
     */
    get sandbox(): DOMTokenList;
    set sandbox(value: string);
    /** @deprecated */
    scrolling: string;
    /**
     * The **`HTMLIFrameElement.src`** A string that reflects the src HTML attribute, containing the address of the content to be embedded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/src)
     */
    src: string;
    /**
     * The **`srcdoc`** property of the HTMLIFrameElement interface gets or sets the inline HTML markup of the frame's document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/srcdoc)
     */
    srcdoc: string;
    /**
     * The **`width`** property of the HTMLIFrameElement interface returns a string that reflects the width attribute of the <iframe> element, indicating the width of the frame in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/width)
     */
    width: string;
    /**
     * The **`getSVGDocument()`** method of the HTMLIFrameElement interface returns the Document object of the embedded SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/getSVGDocument)
     */
    getSVGDocument(): Document | null;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLIFrameElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLIFrameElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLIFrameElement: {
    prototype: HTMLIFrameElement;
    new(): HTMLIFrameElement;
};

/**
 * The **`HTMLImageElement`** interface represents an HTML <img> element, providing the properties and methods used to manipulate image elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement)
 */
interface HTMLImageElement extends HTMLElement {
    /**
     * The deprecated **`align`** property of the HTMLImageElement interface is a string which indicates how to position the image relative to its container. It reflects the <img> element's align content attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/align)
     */
    align: string;
    /**
     * The **`alt`** property of the HTMLImageElement interface provides fallback (alternate) text to display when the image specified by the <img> element is not displayed, whether because of an error, because the user has disabled the loading of images, or because the image hasn't finished loading yet. It reflects the <img> element's alt content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/alt)
     */
    alt: string;
    /**
     * The deprecated **`border`** property of the HTMLImageElement interface specifies the number of pixels thick the border surrounding the image should be. A value of 0, the default, indicates that no border should be drawn. It reflects the <img> element's border content attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/border)
     */
    border: string;
    /**
     * The **`complete`** read-only property of the HTMLImageElement interface is a Boolean value indicating whether or not the image has completely loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/complete)
     */
    readonly complete: boolean;
    /**
     * The **`crossOrigin`** property of the HTMLImageElement interface is a string which specifies the Cross-Origin Resource Sharing (CORS) setting to use when retrieving the image. It reflects the <img> element's crossorigin content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/crossOrigin)
     */
    crossOrigin: string | null;
    /**
     * The **`currentSrc`** read-only property of the HTMLImageElement interface indicates the URL of the image selected by the browser to load.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/currentSrc)
     */
    readonly currentSrc: string;
    /**
     * The **`decoding`** property of the HTMLImageElement interface provides a hint to the browser as to how it should decode the image. More specifically, whether it should wait for the image to be decoded before presenting other content updates or not. It reflects the <img> element's decoding content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/decoding)
     */
    decoding: "async" | "sync" | "auto";
    /**
     * The **`fetchPriority`** property of the HTMLImageElement interface represents a hint to the browser indicating how it should prioritize fetching a particular image relative to other images. It reflects the <img> element's fetchpriority content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/fetchPriority)
     */
    fetchPriority: "high" | "low" | "auto";
    /**
     * The **`height`** property of the HTMLImageElement interface indicates the height at which the image is drawn, in CSS pixels, if the image is being drawn or rendered to any visual medium such as a screen or printer. Otherwise, it's the natural, pixel density-corrected height of the image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/height)
     */
    height: number;
    /**
     * The deprecated **`hspace`** property of the HTMLImageElement interface specifies the number of pixels of empty space to leave empty on the left and right sides of the <img> element when laying out the page. It reflects the <img> element's hspace content attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/hspace)
     */
    hspace: number;
    /**
     * The **`isMap`** property of the HTMLImageElement interface indicates that the image is part of a server-side map. If so, the coordinates where the user clicked on the image are sent to the server. It reflects the <img> element's ismap content attribute. This attribute is allowed only if the <img> element is a descendant of an <a> element with a valid href attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/isMap)
     */
    isMap: boolean;
    /**
     * The **`loading`** property of the HTMLImageElement interface provides a hint to the user agent on how to handle the loading of the image which is currently outside the window's visual viewport. This helps to optimize the loading of the document's contents by postponing loading the image until it's expected to be needed, rather than immediately during the initial page load. It reflects the <img> element's loading content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/loading)
     */
    loading: "eager" | "lazy";
    /**
     * The deprecated **`longDesc`** property of the HTMLImageElement interface specifies the URL of a text or HTML file which contains a long-form description of the image. This can be used to provide optional added details beyond the short description provided in the title attribute. It reflects the <img> element's longdesc content attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/longDesc)
     */
    longDesc: string;
    /** @deprecated */
    lowsrc: string;
    /**
     * The deprecated **`name`** property of the HTMLImageElement interface specifies a name for the element. It reflects the <img> element's name content attribute. It has been replaced by the id property available on all elements, and is kept only for compatibility reasons.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/name)
     */
    name: string;
    /**
     * The read-only **`naturalHeight`** property of the HTMLImageElement interface returns the intrinsic (natural), density-corrected height of the image in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/naturalHeight)
     */
    readonly naturalHeight: number;
    /**
     * The read-only **`naturalWidth`** property of the HTMLImageElement interface returns the intrinsic (natural), density-corrected width of the image in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/naturalWidth)
     */
    readonly naturalWidth: number;
    /**
     * The **`referrerPolicy`** property of the HTMLImageElement interface defining which referrer is sent when fetching the resource. It reflects the <img> element's referrerpolicy content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/referrerPolicy)
     */
    referrerPolicy: string;
    /**
     * The **`sizes`** property of the HTMLImageElement interface allows you to specify the layout width of the image for each of a list of media queries. This provides the ability to automatically select among different images—even images of different orientations or aspect ratios—as the document state changes to match different media conditions. It reflects the <img> element's sizes content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/sizes)
     */
    sizes: string;
    /**
     * The **`src`** property of the HTMLImageElement interface specifies the image to display in the <img> element. It reflects the <img> element's src content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/src)
     */
    src: string;
    /**
     * The **`srcset`** property of the HTMLImageElement interface identifies one or more image candidate strings, separated using commas (,), each specifying image resources to use under given circumstances. Each image candidate string contains an image URL and an optional width or pixel density descriptor that indicates the conditions under which that candidate should be used instead of the image specified by the src property. It reflects the <img> element's srcset content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/srcset)
     */
    srcset: string;
    /**
     * The **`useMap`** property of the HTMLImageElement interface providing the name of the client-side image map to apply to the image. It reflects the <img> element's usemap content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/useMap)
     */
    useMap: string;
    /**
     * The deprecated **`vspace`** property of the HTMLImageElement interface specifies the number of pixels of empty space to leave empty on the top and bottom sides of the <img> element when laying out the page. It reflects the <img> element's vspace content attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/vspace)
     */
    vspace: number;
    /**
     * The **`width`** property of the HTMLImageElement interface indicates the width at which the image is drawn, in CSS pixels, if the image is being drawn or rendered to any visual medium such as a screen or printer. Otherwise, it's the natural, pixel density-corrected width of the image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/width)
     */
    width: number;
    /**
     * The read-only **`x`** property of the HTMLImageElement interface indicates the x-coordinate of the <img> element's left border edge relative to the root element's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/x)
     */
    readonly x: number;
    /**
     * The read-onl**`y`** y property of the HTMLImageElement interface indicates the y-coordinate of the <img> element's top border edge relative to the root element's origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/y)
     */
    readonly y: number;
    /**
     * The **`decode()`** method of the HTMLImageElement interface returns a Promise that resolves once the image is decoded and is safe to be appended to the DOM.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLImageElement/decode)
     */
    decode(): Promise<void>;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLImageElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLImageElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLImageElement: {
    prototype: HTMLImageElement;
    new(): HTMLImageElement;
};

/**
 * The **`HTMLInputElement`** interface provides special properties and methods for manipulating the options, layout, and presentation of <input> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement)
 */
interface HTMLInputElement extends HTMLElement, PopoverTargetAttributes {
    /**
     * The **`accept`** property of the HTMLInputElement interface reflects the <input> element's accept attribute, generally a comma-separated list of unique file type specifiers providing a hint for the expected file type for an <input> of type file. If the attribute is not explicitly set, the accept property is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/accept)
     */
    accept: string;
    /** @deprecated */
    align: string;
    /**
     * The **`alt`** property of the HTMLInputElement interface defines the textual label for the button for users and user agents who cannot use the image. It reflects the <input> element's alt attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/alt)
     */
    alt: string;
    /**
     * The **`autocomplete`** property of the HTMLInputElement interface indicates whether the value of the control can be automatically completed by the browser. It reflects the <input> element's autocomplete attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/autocomplete)
     */
    autocomplete: AutoFill;
    /**
     * The **`capture`** property of the HTMLInputElement interface reflects the <input> element's capture attribute. Only relevant to the <input> of type file, the property and attribute specify whether, a new file should be captured from a user-facing (user) or outward facing (environment) camera or microphone. The type of file is defined the accept attribute. If the attribute is not explicitly set, the capture property is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/capture)
     */
    capture: string;
    /**
     * The **`checked`** property of the HTMLInputElement interface specifies the current checkedness of the element; that is, whether the form control is checked or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/checked)
     */
    checked: boolean;
    /**
     * The **`defaultChecked`** property of the HTMLInputElement interface specifies the default checkedness state of the element. This property reflects the <input> element's checked attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/defaultChecked)
     */
    defaultChecked: boolean;
    /**
     * The **`defaultValue`** property of the HTMLInputElement interface indicates the original (or default) value of the <input> element. It reflects the element's value attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/defaultValue)
     */
    defaultValue: string;
    /**
     * The **`dirName`** property of the HTMLInputElement interface is the directionality of the element and enables the submission of that value. It reflects the value of the <input> element's dirName attribute. This property can be retrieved or set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/dirName)
     */
    dirName: string;
    /**
     * The **`HTMLInputElement.disabled`** property is a boolean value that reflects the disabled HTML attribute, which indicates whether the control is disabled. If it is disabled, it does not accept clicks. A disabled element is unusable and un-clickable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`HTMLInputElement.files`** property allows you to access the FileList selected with the <input type="file"> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/files)
     */
    files: FileList | null;
    /**
     * The **`form`** read-only property of the HTMLInputElement interface returns an HTMLFormElement object that owns this <input>, or null if this input is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`formAction`** property of the HTMLInputElement interface is the URL of the program that is executed on the server when the form that owns this control is submitted. It reflects the value of the <input>'s formaction attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/formAction)
     */
    formAction: string;
    /**
     * The **`formEnctype`** property of the HTMLInputElement interface is the MIME type of the content sent to the server when the <input> with the formEnctype is the method of form submission. It reflects the value of the <input>'s formenctype attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/formEnctype)
     */
    formEnctype: string;
    /**
     * The **`formMethod`** property of the HTMLInputElement interface is the HTTP method used to submit the <form> if the <input> element is the control that submits the form. It reflects the value of the <input>'s formmethod attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/formMethod)
     */
    formMethod: string;
    /**
     * The **`formNoValidate`** property of the HTMLInputElement interface is a boolean value indicating if the <form> will bypass constraint validation when submitted via the <input>. It reflects the <input> element's formnovalidate attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/formNoValidate)
     */
    formNoValidate: boolean;
    /**
     * The **`formTarget`** property of the HTMLInputElement interface is the tab, window, or iframe where the response of the submitted <form> is to be displayed. It reflects the value of the <input> element's formtarget attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/formTarget)
     */
    formTarget: string;
    /**
     * The **`height`** property of the HTMLInputElement interface specifies the height of a control. It reflects the <input> element's height attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/height)
     */
    height: number;
    /**
     * The **`indeterminate`** property of the HTMLInputElement interface returns a boolean value that indicates whether the checkbox is in the indeterminate state. For example, a "select all/deselect all" checkbox may be in the indeterminate state when some but not all of its sub-controls are checked. The indeterminate state can only be set via JavaScript and is only relevant to checkbox controls.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/indeterminate)
     */
    indeterminate: boolean;
    /**
     * The **`HTMLInputElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <input> element, if the element is not hidden. If the element has the type hidden, the property returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement> | null;
    /**
     * The **`list`** read-only property of the HTMLInputElement interface returns the HTMLDataListElement pointed to by the list attribute of the element, or null if the list attribute is not defined or the list attribute's value is not associated with any <datalist> in the same tree.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/list)
     */
    readonly list: HTMLDataListElement | null;
    /**
     * The **`max`** property of the HTMLInputElement interface reflects the <input> element's max attribute, which generally defines the maximum valid value for a numeric or date-time input. If the attribute is not explicitly set, the max property is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/max)
     */
    max: string;
    /**
     * The **`maxLength`** property of the HTMLInputElement interface indicates the maximum number of characters (in UTF-16 code units) allowed to be entered for the value of the <input> element, and the maximum number of characters allowed for the value to be valid. It reflects the element's maxlength attribute. -1 means there is no limit on the length of the value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/maxLength)
     */
    maxLength: number;
    /**
     * The **`min`** property of the HTMLInputElement interface reflects the <input> element's min attribute, which generally defines the minimum valid value for a numeric or date-time input. If the attribute is not explicitly set, the min property is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/min)
     */
    min: string;
    /**
     * The **`minLength`** property of the HTMLInputElement interface indicates the minimum number of characters (in UTF-16 code units) required for the value of the <input> element to be valid. It reflects the element's minlength attribute. -1 means there is no minimum length requirement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/minLength)
     */
    minLength: number;
    /**
     * The **`HTMLInputElement.multiple`** property indicates if an input can have more than one value. Firefox currently only supports multiple for <input type="file">.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/multiple)
     */
    multiple: boolean;
    /**
     * The **`name`** property of the HTMLInputElement interface indicates the name of the <input> element. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/name)
     */
    name: string;
    /**
     * The **`pattern`** property of the HTMLInputElement interface represents a regular expression a non-null <input> value should match. It reflects the <input> element's pattern attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/pattern)
     */
    pattern: string;
    /**
     * The **`placeholder`** property of the HTMLInputElement interface represents a hint to the user of what can be entered in the control. It reflects the <input> element's placeholder attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/placeholder)
     */
    placeholder: string;
    /**
     * The **`readOnly`** property of the HTMLInputElement interface indicates that the user cannot modify the value of the <input>. It reflects the <input> element's readonly boolean attribute; returning true if the attribute is present and false when omitted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/readOnly)
     */
    readOnly: boolean;
    /**
     * The **`required`** property of the HTMLInputElement interface specifies that the user must fill in a value before submitting a form. It reflects the <input> element's required attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/required)
     */
    required: boolean;
    /**
     * The **`selectionDirection`** property of the HTMLInputElement interface is a string that indicates the direction in which the user is selecting the text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/selectionDirection)
     */
    selectionDirection: SelectionDirection | null;
    /**
     * The **`selectionEnd`** property of the HTMLInputElement interface is a number that represents the end index of the selected text. That is, it represents the index of the character immediately following the selection. Likewise, when there is no selection, this returns the offset of the character immediately following the current text input cursor position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/selectionEnd)
     */
    selectionEnd: number | null;
    /**
     * The **`selectionStart`** property of the HTMLInputElement interface is a number that represents the beginning index of the selected text. When nothing is selected, then returns the position of the text input cursor (caret) inside of the <input> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/selectionStart)
     */
    selectionStart: number | null;
    /**
     * The **`size`** property of the HTMLInputElement interface defines the number of visible characters displayed. It reflects the <input> element's size attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/size)
     */
    size: number;
    /**
     * The **`src`** property of the HTMLInputElement interface specifies the source of an image to display as the graphical submit button. It reflects the <input> element's src attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/src)
     */
    src: string;
    /**
     * The **`step`** property of the HTMLInputElement interface indicates the step by which numeric or date-time <input> elements can change. It reflects the element's step attribute. Valid values include the string "any" or a string containing a positive floating point number. If the attribute is not explicitly set, the step property is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/step)
     */
    step: string;
    /**
     * The **`type`** property of the HTMLInputElement interface indicates the kind of data allowed in the <input> element, for example a number, a date, or an email. Browsers will select the appropriate widget and behavior to help users to enter a valid value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/type)
     */
    type: string;
    /** @deprecated */
    useMap: string;
    /**
     * The **`validationMessage`** read-only property of the HTMLInputElement interface returns a string representing a localized message that describes the validation constraints that the <input> control does not satisfy (if any).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLInputElement interface returns a ValidityState object that represents the validity states this element is in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`value`** property of the HTMLInputElement interface represents the current value of the <input> element as a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/value)
     */
    value: string;
    /**
     * The **`valueAsDate`** property of the HTMLInputElement interface represents the current value of the <input> element as a Date, or null if conversion is not possible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/valueAsDate)
     */
    valueAsDate: Date | null;
    /**
     * The **`valueAsNumber`** property of the HTMLInputElement interface represents the current value of the <input> element as a number or NaN if converting to a numeric value is not possible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/valueAsNumber)
     */
    valueAsNumber: number;
    /**
     * The read-only **`webkitEntries`** property of the HTMLInputElement interface contains an array of file system entries (as objects based on FileSystemEntry) representing files and/or directories selected by the user using an <input> element of type file, but only if that selection was made using drag-and-drop: selecting a file in the dialog will leave the property empty.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/webkitEntries)
     */
    readonly webkitEntries: ReadonlyArray<FileSystemEntry>;
    /**
     * The **`webkitdirectory`** property of the HTMLInputElement interface reflects the webkitdirectory HTML attribute, which indicates that <input type="file"> elements can only select directories instead of files.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/webkitdirectory)
     */
    webkitdirectory: boolean;
    /**
     * The **`width`** property of the HTMLInputElement interface specifies the width of a control. It reflects the <input> element's width attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/width)
     */
    width: number;
    /**
     * The **`willValidate`** read-only property of the HTMLInputElement interface indicates whether the <input> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, including:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the HTMLInputElement interface returns a boolean value which indicates if the element meets any constraint validation rules applied to it. If false, the method also fires an invalid event on the element. Because there's no default browser behavior for checkValidity(), canceling this invalid event has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLInputElement interface performs the same validity checking steps as the checkValidity() method. In addition, if the invalid event is not canceled, the browser displays the problem to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`HTMLInputElement.select()`** method selects all the text in a <textarea> element or in an <input> element that includes a text field.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/select)
     */
    select(): void;
    /**
     * The **`HTMLInputElement.setCustomValidity()`** method sets a custom validity message for the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    /**
     * The **`HTMLInputElement.setRangeText()`** method replaces a range of text in an <input> or <textarea> element with a new string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/setRangeText)
     */
    setRangeText(replacement: string): void;
    setRangeText(replacement: string, start: number, end: number, selectionMode?: SelectionMode): void;
    /**
     * The **`HTMLInputElement.setSelectionRange()`** method sets the start and end positions of the current text selection in an <input> or <textarea> element. This updates the selection state immediately, though the visual highlight only appears when the element is focused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/setSelectionRange)
     */
    setSelectionRange(start: number | null, end: number | null, direction?: SelectionDirection): void;
    /**
     * The **`HTMLInputElement.showPicker()`** method displays the browser picker for an input element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/showPicker)
     */
    showPicker(): void;
    /**
     * The **`HTMLInputElement.stepDown()`** method decrements the value of a numeric type of <input> element by the value of the step attribute or up to n multiples of the step attribute if a number is passed as the parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/stepDown)
     */
    stepDown(n?: number): void;
    /**
     * The **`HTMLInputElement.stepUp()`** method increments the value of a numeric type of <input> element by the value of the step attribute, or the default step value if the step attribute is not explicitly set. The method, when invoked, increments the value by (step * n), where n defaults to 1 if not specified, and step defaults to the default value for step if not specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLInputElement/stepUp)
     */
    stepUp(n?: number): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLInputElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLInputElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLInputElement: {
    prototype: HTMLInputElement;
    new(): HTMLInputElement;
};

/**
 * The **`HTMLLIElement`** interface exposes specific properties and methods (beyond those defined by regular HTMLElement interface it also has available to it by inheritance) for manipulating list elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLIElement)
 */
interface HTMLLIElement extends HTMLElement {
    /** @deprecated */
    type: string;
    /**
     * The **`value`** property of the HTMLLIElement interface indicates the ordinal position of the list element inside a given <ol>. It can be smaller than 0. If the <li> element is not a child of an <ol> element, the property has no meaning.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLIElement/value)
     */
    value: number;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLIElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLIElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLLIElement: {
    prototype: HTMLLIElement;
    new(): HTMLLIElement;
};

/**
 * The **`HTMLLabelElement`** interface gives access to properties specific to <label> elements. It inherits methods and properties from the base HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLabelElement)
 */
interface HTMLLabelElement extends HTMLElement {
    /**
     * The read-only **`HTMLLabelElement.control`** property returns a reference to the control (in the form of an object of type HTMLElement or one of its derivatives) with which the <label> element is associated, or null if the label isn't associated with a control.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLabelElement/control)
     */
    readonly control: HTMLElement | null;
    /**
     * The **`form`** read-only property of the HTMLLabelElement interface returns an HTMLFormElement object that owns the control associated with this <label>, or null if this label is not associated with a labelable form-associated element (<button>, <input>, <output>, <select>, <textarea>, or form-associated custom elements) that is owned by a form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLabelElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`HTMLLabelElement.htmlFor`** property reflects the value of the for content property. That means that this script-accessible property is used to set and read the value of the content property for, which is the ID of the label's associated control element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLabelElement/htmlFor)
     */
    htmlFor: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLabelElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLabelElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLLabelElement: {
    prototype: HTMLLabelElement;
    new(): HTMLLabelElement;
};

/**
 * The **`HTMLLegendElement`** is an interface allowing to access properties of the <legend> elements. It inherits properties and methods from the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLegendElement)
 */
interface HTMLLegendElement extends HTMLElement {
    /** @deprecated */
    align: string;
    /**
     * The **`form`** read-only property of the HTMLLegendElement interface returns an HTMLFormElement object that owns the HTMLFieldSetElement associated with this <legend>, or null if this legend is not associated with a <fieldset> owned by a form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLegendElement/form)
     */
    readonly form: HTMLFormElement | null;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLegendElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLegendElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLLegendElement: {
    prototype: HTMLLegendElement;
    new(): HTMLLegendElement;
};

/**
 * The **`HTMLLinkElement`** interface represents reference information for external resources and the relationship of those resources to a document and vice versa (corresponds to <link> element; not to be confused with <a>, which is represented by HTMLAnchorElement). This object inherits all of the properties and methods of the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement)
 */
interface HTMLLinkElement extends HTMLElement, LinkStyle {
    /**
     * The **`as`** property of the HTMLLinkElement interface returns a string representing the type of content to be preloaded by a link element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/as)
     */
    as: string;
    /**
     * The read-only **`blocking`** property of the HTMLLinkElement returns a live DOMTokenList object containing the operations that should be blocked on the fetching of an external resource. It reflects the <link> element's blocking content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/blocking)
     */
    get blocking(): DOMTokenList;
    set blocking(value: string);
    /** @deprecated */
    charset: string;
    /**
     * The **`crossOrigin`** property of the HTMLLinkElement interface specifies the Cross-Origin Resource Sharing (CORS) setting to use when retrieving the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/crossOrigin)
     */
    crossOrigin: string | null;
    /**
     * The **`disabled`** property of the HTMLLinkElement interface is a boolean value that represents whether the link is disabled. It only has an effect with style sheet links (rel property set to stylesheet).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`fetchPriority`** property of the HTMLLinkElement interface represents a hint to the browser indicating how it should prioritize fetching a particular resource relative to other resources of the same type. It reflects the <link> element's fetchpriority content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/fetchPriority)
     */
    fetchPriority: "high" | "low" | "auto";
    /**
     * The **`href`** property of the HTMLLinkElement interface contains a string that is the URL associated with the link.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/href)
     */
    href: string;
    /**
     * The **`hreflang`** property of the HTMLLinkElement interface is used to indicate the language and the geographical targeting of a page. This hint can be used by browsers to select the more appropriate page or to improve SEO.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/hreflang)
     */
    hreflang: string;
    /**
     * The **`imageSizes`** property of the HTMLLinkElement interface indicates the size and conditions for the preloaded images defined by the imageSrcset property. It reflects the value of the <link> element's imagesizes attribute. This property can retrieve or set the imagesizes attribute value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/imageSizes)
     */
    imageSizes: string;
    /**
     * The **`imageSrcset`** property of the HTMLLinkElement interface is a string which identifies one or more comma-separated image candidate strings. This property reflects the value of the <link> element's imagesrcset attribute. This property can retrieved or set the imagesrcset attribute value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/imageSrcset)
     */
    imageSrcset: string;
    /**
     * The **`integrity`** property of the HTMLLinkElement interface is a string containing inline metadata that a browser can use to verify that a fetched resource has been delivered without unexpected manipulation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/integrity)
     */
    integrity: string;
    /**
     * The **`media`** property of the HTMLLinkElement interface is a string representing a list of one or more media formats to which the resource applies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/media)
     */
    media: string;
    /**
     * The **`referrerPolicy`** property of the HTMLLinkElement interface reflects the HTML referrerpolicy attribute of the <link> element defining which referrer is sent when fetching the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/referrerPolicy)
     */
    referrerPolicy: string;
    /**
     * The **`rel`** property of the HTMLLinkElement interface reflects the rel attribute. It is a string containing a space-separated list of link types indicating the relationship between the resource represented by the <link> element and the current document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/rel)
     */
    rel: string;
    /**
     * The read-only **`relList`** property of the HTMLLinkElement returns a live DOMTokenList object containing the set of link types indicating the relationship between the resource represented by the <link> element and the current document. It reflects the <link> element's rel content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/relList)
     */
    get relList(): DOMTokenList;
    set relList(value: string);
    /** @deprecated */
    rev: string;
    /**
     * The read-only **`sizes`** property of the HTMLLinkElement interface defines the sizes of the icons for visual media contained in the resource. It reflects the <link> element's sizes attribute, which takes a list of space-separated sizes, each in the format <width in pixels>x<height in pixels>, or the keyword any.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/sizes)
     */
    get sizes(): DOMTokenList;
    set sizes(value: string);
    /** @deprecated */
    target: string;
    /**
     * The **`type`** property of the HTMLLinkElement interface is a string that reflects the MIME type of the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/type)
     */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLinkElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLLinkElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLLinkElement: {
    prototype: HTMLLinkElement;
    new(): HTMLLinkElement;
};

/**
 * The **`HTMLMapElement`** interface provides special properties and methods (beyond those of the regular object HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of map elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMapElement)
 */
interface HTMLMapElement extends HTMLElement {
    /**
     * The **`areas`** read-only property of the HTMLMapElement interface returns a collection of <area> elements associated with the <map> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMapElement/areas)
     */
    readonly areas: HTMLCollection;
    /**
     * The **`name`** property of the HTMLMapElement represents the unique name <map> element. Its value can be used with the useMap attribute of the <img> element to reference a <map> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMapElement/name)
     */
    name: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMapElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMapElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLMapElement: {
    prototype: HTMLMapElement;
    new(): HTMLMapElement;
};

/**
 * The **`HTMLMarqueeElement`** interface provides methods to manipulate <marquee> elements.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMarqueeElement)
 */
interface HTMLMarqueeElement extends HTMLElement {
    /** @deprecated */
    behavior: string;
    /** @deprecated */
    bgColor: string;
    /** @deprecated */
    direction: string;
    /** @deprecated */
    height: string;
    /** @deprecated */
    hspace: number;
    /** @deprecated */
    loop: number;
    /** @deprecated */
    scrollAmount: number;
    /** @deprecated */
    scrollDelay: number;
    /** @deprecated */
    trueSpeed: boolean;
    /** @deprecated */
    vspace: number;
    /** @deprecated */
    width: string;
    /** @deprecated */
    start(): void;
    /** @deprecated */
    stop(): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMarqueeElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMarqueeElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLMarqueeElement: {
    prototype: HTMLMarqueeElement;
    new(): HTMLMarqueeElement;
};

interface HTMLMediaElementEventMap extends HTMLElementEventMap {
    "encrypted": MediaEncryptedEvent;
    "waitingforkey": Event;
}

/**
 * The **`HTMLMediaElement`** interface adds to HTMLElement the properties and methods needed to support basic media-related capabilities that are common to audio and video.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement)
 */
interface HTMLMediaElement extends HTMLElement {
    /**
     * The **`HTMLMediaElement.autoplay`** property reflects the autoplay HTML attribute, indicating whether playback should automatically begin as soon as enough media is available to do so without interruption.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/autoplay)
     */
    autoplay: boolean;
    /**
     * The **`buffered`** read-only property of HTMLMediaElement objects returns a new static normalized TimeRanges object that represents the ranges of the media resource, if any, that the user agent has buffered at the moment the buffered property is accessed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/buffered)
     */
    readonly buffered: TimeRanges;
    /**
     * The **`HTMLMediaElement.controls`** property reflects the controls HTML attribute, which controls whether user interface controls for playing the media item will be displayed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/controls)
     */
    controls: boolean;
    /**
     * The **`HTMLMediaElement.crossOrigin`** property is the CORS setting for this media element. See CORS settings attributes for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/crossOrigin)
     */
    crossOrigin: string | null;
    /**
     * The **`HTMLMediaElement.currentSrc`** property contains the absolute URL of the chosen media resource. This could happen, for example, if the web server selects a media file based on the resolution of the user's display. The value is an empty string if the networkState property is EMPTY.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/currentSrc)
     */
    readonly currentSrc: string;
    /**
     * The HTMLMediaElement interface's **`currentTime`** property specifies the current playback time in seconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/currentTime)
     */
    currentTime: number;
    /**
     * The **`HTMLMediaElement.defaultMuted`** property reflects the muted HTML attribute, which indicates whether the media element's audio output should be muted by default. This property has no dynamic effect. To mute and unmute the audio output, use the muted property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/defaultMuted)
     */
    defaultMuted: boolean;
    /**
     * The **`HTMLMediaElement.defaultPlaybackRate`** property indicates the default playback rate for the media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/defaultPlaybackRate)
     */
    defaultPlaybackRate: number;
    /**
     * The **`disableRemotePlayback`** property of the HTMLMediaElement interface determines whether the media element is allowed to have a remote playback UI.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/disableRemotePlayback)
     */
    disableRemotePlayback: boolean;
    /**
     * The read-only HTMLMediaElement property **`duration`** indicates the length of the element's media in seconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/duration)
     */
    readonly duration: number;
    /**
     * The **`HTMLMediaElement.ended`** property indicates whether the media element has ended playback.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/ended)
     */
    readonly ended: boolean;
    /**
     * The **`HTMLMediaElement.error`** property is the MediaError object for the most recent error, or null if there has not been an error. When an error event is received by the element, you can determine details about what happened by examining this object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/error)
     */
    readonly error: MediaError | null;
    /**
     * The **`HTMLMediaElement.loop`** property reflects the loop HTML attribute, which controls whether the media element should start over when it reaches the end.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/loop)
     */
    loop: boolean;
    /**
     * The read-only **`HTMLMediaElement.mediaKeys`** property returns a MediaKeys object, that is a set of keys that the element can use for decryption of media data during playback.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/mediaKeys)
     */
    readonly mediaKeys: MediaKeys | null;
    /**
     * The **`HTMLMediaElement.muted`** property indicates whether the media element is muted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/muted)
     */
    muted: boolean;
    /**
     * The **`HTMLMediaElement.networkState`** property indicates the current state of the fetching of media over the network.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/networkState)
     */
    readonly networkState: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/encrypted_event) */
    onencrypted: ((this: HTMLMediaElement, ev: MediaEncryptedEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/waitingforkey_event) */
    onwaitingforkey: ((this: HTMLMediaElement, ev: Event) => any) | null;
    /**
     * The read-only **`HTMLMediaElement.paused`** property tells whether the media element is paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/paused)
     */
    readonly paused: boolean;
    /**
     * The **`HTMLMediaElement.playbackRate`** property sets the rate at which the media is being played back. This is used to implement user controls for fast forward, slow motion, and so forth. The normal playback rate is multiplied by this value to obtain the current rate, so a value of 1.0 indicates normal speed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/playbackRate)
     */
    playbackRate: number;
    /**
     * The **`played`** read-only property of the HTMLMediaElement interface indicates the time ranges the resource, an <audio> or <video> media file, has played. It returns a new TimeRanges object that contains the ranges of the media source that the browser has played, if any, at the time the attribute is evaluated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/played)
     */
    readonly played: TimeRanges;
    /**
     * The **`preload`** property of the HTMLMediaElement interface is a string that provides a hint to the browser about what the author thinks will lead to the best user experience.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/preload)
     */
    preload: "none" | "metadata" | "auto" | "";
    /**
     * The **`HTMLMediaElement.preservesPitch`** property determines whether or not the browser should adjust the pitch of the audio to compensate for changes to the playback rate made by setting HTMLMediaElement.playbackRate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/preservesPitch)
     */
    preservesPitch: boolean;
    /**
     * The **`HTMLMediaElement.readyState`** property indicates the readiness state of the media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/readyState)
     */
    readonly readyState: number;
    /**
     * The **`remote`** read-only property of the HTMLMediaElement interface returns the RemotePlayback object associated with the media element. The RemotePlayback object allow the control of remote devices playing the media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/remote)
     */
    readonly remote: RemotePlayback;
    /**
     * The **`seekable`** read-only property of HTMLMediaElement objects returns a new static normalized TimeRanges object that represents the ranges of the media resource, if any, that the user agent is able to seek to at the time seekable property is accessed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/seekable)
     */
    readonly seekable: TimeRanges;
    /**
     * The **`seeking`** read-only property of the HTMLMediaElement interface is a Boolean indicating whether the resource, the <audio> or <video>, is in the process of seeking to a new position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/seeking)
     */
    readonly seeking: boolean;
    /**
     * The **`sinkId`** read-only property of the HTMLMediaElement interface returns a string that is the unique ID of the device to be used for playing audio output.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/sinkId)
     */
    readonly sinkId: string;
    /**
     * The **`HTMLMediaElement.src`** property reflects the value of the HTML media element's src attribute, which indicates the URL of a media resource to use in the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/src)
     */
    src: string;
    /**
     * The **`srcObject`** property of the HTMLMediaElement interface sets or returns the object which serves as the source of the media associated with the HTMLMediaElement, or null if not assigned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/srcObject)
     */
    srcObject: MediaProvider | null;
    /**
     * The read-only **`textTracks`** property on HTMLMediaElement objects returns a TextTrackList object listing all of the TextTrack objects representing the media element's text tracks, in the same order as in the list of text tracks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/textTracks)
     */
    readonly textTracks: TextTrackList;
    /**
     * The **`HTMLMediaElement.volume`** property sets the volume at which the media will be played.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/volume)
     */
    volume: number;
    /**
     * The **`addTextTrack()`** method of the HTMLMediaElement interface creates a new TextTrack object and adds it to the media element. It fires an addtrack event on this media element's textTracks. This method can't be used on a TextTrackList interface, only an HTMLMediaElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/addTextTrack)
     */
    addTextTrack(kind: TextTrackKind, label?: string, language?: string): TextTrack;
    /**
     * The HTMLMediaElement method **`canPlayType()`** reports how likely it is that the current browser will be able to play media of a given MIME type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/canPlayType)
     */
    canPlayType(type: string): CanPlayTypeResult;
    /**
     * The **`HTMLMediaElement.fastSeek()`** method quickly seeks the media to the new time with precision tradeoff.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/fastSeek)
     */
    fastSeek(time: number): void;
    /**
     * The HTMLMediaElement method **`load()`** resets the media element to its initial state and begins the process of selecting a media source and loading the media in preparation for playback to begin at the beginning.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/load)
     */
    load(): void;
    /**
     * The **`HTMLMediaElement.pause()`** method will pause playback of the media, if the media is already in a paused state this method will have no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/pause)
     */
    pause(): void;
    /**
     * The HTMLMediaElement **`play()`** method attempts to begin playback of the media. It returns a Promise which is resolved when playback has been successfully started.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/play)
     */
    play(): Promise<void>;
    /**
     * The **`setMediaKeys()`** method of the HTMLMediaElement interface sets the MediaKeys that will be used to decrypt media during playback.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/setMediaKeys)
     */
    setMediaKeys(mediaKeys: MediaKeys | null): Promise<void>;
    /**
     * The **`setSinkId()`** method of the HTMLMediaElement interface sets the ID of the audio device to use for output and returns a Promise.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMediaElement/setSinkId)
     */
    setSinkId(sinkId: string): Promise<void>;
    readonly NETWORK_EMPTY: 0;
    readonly NETWORK_IDLE: 1;
    readonly NETWORK_LOADING: 2;
    readonly NETWORK_NO_SOURCE: 3;
    readonly HAVE_NOTHING: 0;
    readonly HAVE_METADATA: 1;
    readonly HAVE_CURRENT_DATA: 2;
    readonly HAVE_FUTURE_DATA: 3;
    readonly HAVE_ENOUGH_DATA: 4;
    addEventListener<K extends keyof HTMLMediaElementEventMap>(type: K, listener: (this: HTMLMediaElement, ev: HTMLMediaElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLMediaElementEventMap>(type: K, listener: (this: HTMLMediaElement, ev: HTMLMediaElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLMediaElement: {
    prototype: HTMLMediaElement;
    new(): HTMLMediaElement;
    readonly NETWORK_EMPTY: 0;
    readonly NETWORK_IDLE: 1;
    readonly NETWORK_LOADING: 2;
    readonly NETWORK_NO_SOURCE: 3;
    readonly HAVE_NOTHING: 0;
    readonly HAVE_METADATA: 1;
    readonly HAVE_CURRENT_DATA: 2;
    readonly HAVE_FUTURE_DATA: 3;
    readonly HAVE_ENOUGH_DATA: 4;
};

/**
 * The **`HTMLMenuElement`** interface provides additional properties (beyond those inherited from the HTMLElement interface) for manipulating a <menu> element. <menu> is a semantic alternative to the <ul> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMenuElement)
 */
interface HTMLMenuElement extends HTMLElement {
    /**
     * The **`compact`** property of the HTMLMenuElement interface indicates that spacing between list items should be reduced. The exact handling of the compact attribute is browser-specific. Instead of using this property, consider using CSS line-height instead.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMenuElement/compact)
     */
    compact: boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMenuElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMenuElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLMenuElement: {
    prototype: HTMLMenuElement;
    new(): HTMLMenuElement;
};

/**
 * The **`HTMLMetaElement`** interface contains descriptive metadata about a document provided in HTML as <meta> elements. This interface inherits all of the properties and methods described in the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement)
 */
interface HTMLMetaElement extends HTMLElement {
    /**
     * The **`HTMLMetaElement.content`** property gets or sets the content attribute of pragma directives and named <meta> data in conjunction with HTMLMetaElement.name or HTMLMetaElement.httpEquiv. For more information, see the content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement/content)
     */
    content: string;
    /**
     * The **`HTMLMetaElement.httpEquiv`** property gets or sets the pragma directive or an HTTP response header name for the HTMLMetaElement.content attribute. For more details on the possible values, see the http-equiv attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement/httpEquiv)
     */
    httpEquiv: string;
    /**
     * The **`HTMLMetaElement.media`** property enables specifying the media for theme-color metadata.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement/media)
     */
    media: string;
    /**
     * The **`HTMLMetaElement.name`** property is used in combination with HTMLMetaElement.content to define the name-value pairs for the metadata of a document. The name attribute defines the metadata name and the content attribute defines the value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement/name)
     */
    name: string;
    /**
     * The **`HTMLMetaElement.scheme`** property defines the scheme of the value in the HTMLMetaElement.content attribute. The scheme property was created to enable providing additional information to be used to interpret the value of the content property. The scheme property takes as its value a scheme format (i.e., YYYY-MM-DD) or scheme format name (i.e., ISBN), or a URI providing more information regarding the scheme format. The scheme defines the format of the value of the content attribute. The scheme content is interpreted as an extension of the element's HTMLMetaElement.name if a browser or user agent recognizes the scheme.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMetaElement/scheme)
     */
    scheme: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMetaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMetaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLMetaElement: {
    prototype: HTMLMetaElement;
    new(): HTMLMetaElement;
};

/**
 * The HTML <meter> elements expose the **`HTMLMeterElement`** interface, which provides special properties and methods (beyond the HTMLElement object interface they also have available to them by inheritance) for manipulating the layout and presentation of <meter> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement)
 */
interface HTMLMeterElement extends HTMLElement {
    /**
     * The **`high`** property of the HTMLMeterElement interface represents the high boundary of the <meter> element as a floating-point number. It reflects the element's high attribute, or the value of max if not defined. The value of high is clamped by the low and max values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/high)
     */
    high: number;
    /**
     * The **`HTMLMeterElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <meter> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`low`** property of the HTMLMeterElement interface represents the low boundary of the <meter> element as a floating-point number. It reflects the element's low attribute, or the value of min if not defined. The value of low is clamped by the min and max values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/low)
     */
    low: number;
    /**
     * The **`max`** property of the HTMLMeterElement interface represents the maximum value of the <meter> element as a floating-point number. It reflects the element's max attribute, or the min value if no max is set, or 1 if neither the min or the max is defined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/max)
     */
    max: number;
    /**
     * The **`min`** property of the HTMLMeterElement interface represents the minimum value of the <meter> element as a floating-point number. It reflects the element's min attribute, or 0 if no min is defined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/min)
     */
    min: number;
    /**
     * The **`optimum`** property of the HTMLMeterElement interface represents the optimum boundary of the <meter> element as a floating-point number. It reflects the element's optimum attribute, or the midpoint between min and max values if not defined. The value of optimum is clamped by the min and max values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/optimum)
     */
    optimum: number;
    /**
     * The **`value`** property of the HTMLMeterElement interface represents the current value of the <meter> element as a floating-point number. It reflects the element's value attribute. If no value is set, it is the HTMLMeterElement.min value or 0, whichever is greater.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMeterElement/value)
     */
    value: number;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMeterElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLMeterElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLMeterElement: {
    prototype: HTMLMeterElement;
    new(): HTMLMeterElement;
};

/**
 * The **`HTMLModElement`** interface provides special properties (beyond the regular methods and properties available through the HTMLElement interface they also have available to them by inheritance) for manipulating modification elements, that is <del> and <ins>.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLModElement)
 */
interface HTMLModElement extends HTMLElement {
    /**
     * The **`cite`** property of the HTMLModElement interface indicates the URL of the resource explaining the modification. It reflects the cite attribute of the <del> element and <ins> elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLModElement/cite)
     */
    cite: string;
    /**
     * The **`dateTime`** property of the HTMLModElement interface is a string containing a machine-readable date with an optional time value. It reflects the datetime HTML attribute of the <del> and <ins> elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLModElement/dateTime)
     */
    dateTime: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLModElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLModElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLModElement: {
    prototype: HTMLModElement;
    new(): HTMLModElement;
};

/**
 * The **`HTMLOListElement`** interface provides special properties (beyond those defined on the regular HTMLElement interface it also has available to it by inheritance) for manipulating ordered list elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOListElement)
 */
interface HTMLOListElement extends HTMLElement {
    /**
     * The **`compact`** property of the HTMLOListElement interface indicates that spacing between list items should be reduced. The exact handling of the compact attribute is browser-specific. Instead of using this property, consider using CSS line-height instead.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOListElement/compact)
     */
    compact: boolean;
    /**
     * The **`reversed`** property of the HTMLOListElement interface indicates order of a list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOListElement/reversed)
     */
    reversed: boolean;
    /**
     * The **`start`** property of the HTMLOListElement interface indicates starting value of the ordered list, with default value of 1.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOListElement/start)
     */
    start: number;
    /**
     * The **`type`** property of the HTMLOListElement interface indicates the kind of marker to be used to display ordered list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOListElement/type)
     */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLOListElement: {
    prototype: HTMLOListElement;
    new(): HTMLOListElement;
};

/**
 * The **`HTMLObjectElement`** interface provides special properties and methods (beyond those on the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <object> element, representing external resources.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement)
 */
interface HTMLObjectElement extends HTMLElement {
    /** @deprecated */
    align: string;
    /** @deprecated */
    archive: string;
    /** @deprecated */
    border: string;
    /** @deprecated */
    code: string;
    /** @deprecated */
    codeBase: string;
    /** @deprecated */
    codeType: string;
    /**
     * The **`contentDocument`** read-only property of the HTMLObjectElement interface Returns a Document representing the active document of the object element's nested browsing context, if any; otherwise null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/contentDocument)
     */
    readonly contentDocument: Document | null;
    /**
     * The **`contentWindow`** read-only property of the HTMLObjectElement interface returns a WindowProxy representing the window proxy of the object element's nested browsing context, if any; otherwise null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/contentWindow)
     */
    readonly contentWindow: WindowProxy | null;
    /**
     * The **`data`** property of the HTMLObjectElement interface returns a string that reflects the data HTML attribute, specifying the address of a resource's data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/data)
     */
    data: string;
    /** @deprecated */
    declare: boolean;
    /**
     * The **`form`** read-only property of the HTMLObjectElement interface returns an HTMLFormElement object that owns this <object>, or null if this object element is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`height`** property of the HTMLObjectElement interface Returns a string that reflects the height HTML attribute, specifying the displayed height of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/height)
     */
    height: string;
    /** @deprecated */
    hspace: number;
    /**
     * The **`name`** property of the HTMLObjectElement interface returns a string that reflects the name HTML attribute, specifying the name of the browsing context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/name)
     */
    name: string;
    /** @deprecated */
    standby: string;
    /**
     * The **`type`** property of the HTMLObjectElement interface returns a string that reflects the type HTML attribute, specifying the MIME type of the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/type)
     */
    type: string;
    /**
     * The **`useMap`** property of the HTMLObjectElement interface returns a string that reflects the usemap HTML attribute, specifying a <map> element to use.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/useMap)
     */
    useMap: string;
    /**
     * The **`validationMessage`** read-only property of the HTMLObjectElement interface returns a string representing a localized message that describes the validation constraints that the control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (willValidate is false), or it satisfies its constraints.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLObjectElement interface returns a ValidityState object that represents the validity states this element is in. Although <object> elements are never candidates for constraint validation, the validity state may still be invalid if a custom validity message has been set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/validity)
     */
    readonly validity: ValidityState;
    /** @deprecated */
    vspace: number;
    /**
     * The **`width`** property of the HTMLObjectElement interface returns a string that reflects the width HTML attribute, specifying the displayed width of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/width)
     */
    width: string;
    /**
     * The **`willValidate`** read-only property of the HTMLObjectElement interface returns false, because <object> elements are not candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the HTMLObjectElement interface checks if the element is valid, but always returns true because <object> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`getSVGDocument()`** method of the HTMLObjectElement interface returns the Document object of the embedded SVG.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/getSVGDocument)
     */
    getSVGDocument(): Document | null;
    /**
     * The **`reportValidity()`** method of the HTMLObjectElement interface performs the same validity checking steps as the checkValidity() method. It always returns true because <object> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`setCustomValidity()`** method of the HTMLObjectElement interface sets a custom validity message for the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLObjectElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLObjectElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLObjectElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLObjectElement: {
    prototype: HTMLObjectElement;
    new(): HTMLObjectElement;
};

/**
 * The **`HTMLOptGroupElement`** interface provides special properties and methods (beyond the regular HTMLElement object interface they also have available to them by inheritance) for manipulating the layout and presentation of <optgroup> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptGroupElement)
 */
interface HTMLOptGroupElement extends HTMLElement {
    /**
     * The **`disabled`** property of the HTMLOptGroupElement interface is a boolean value that reflects the <optgroup> element's disabled attribute, which indicates whether the control is disabled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptGroupElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`label`** property of the HTMLOptGroupElement interface is a string value that reflects the <optgroup> element's label attribute, which provides a textual label to the group of options.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptGroupElement/label)
     */
    label: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOptGroupElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOptGroupElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLOptGroupElement: {
    prototype: HTMLOptGroupElement;
    new(): HTMLOptGroupElement;
};

/**
 * The **`HTMLOptionElement`** interface represents <option> elements and inherits all properties and methods of the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement)
 */
interface HTMLOptionElement extends HTMLElement {
    /**
     * The **`defaultSelected`** property of the HTMLOptionElement interface specifies the default selected state of the element. This property reflects the <option> element's selected attribute. The presence of the selected attribute sets the defaultSelected property to true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/defaultSelected)
     */
    defaultSelected: boolean;
    /**
     * The **`disabled`** property of the HTMLOptionElement is a boolean value that indicates whether the <option> element is unavailable to be selected. The property reflects the value of the disabled HTML attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`form`** read-only property of the HTMLOptionElement interface returns an HTMLFormElement object that owns the HTMLSelectElement associated with this <option>, or null if this option is not associated with a <select> owned by a form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The read-only **`index`** property of the HTMLOptionElement interface specifies the 0-based index of the element; that is, the position of the <option> within the list of options it belongs to, in tree-order, as an integer. If the <option> is not part of an option-list, the value is 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/index)
     */
    readonly index: number;
    /**
     * The **`label`** property of the HTMLOptionElement represents the text displayed for an option in a <select> element or as part of a list of suggestions in a <datalist> element. It reflects the <option> element's label attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/label)
     */
    label: string;
    /**
     * The **`selected`** property of the HTMLOptionElement interface specifies the current selectedness of the element; that is, whether the <option> is selected or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/selected)
     */
    selected: boolean;
    /**
     * The **`text`** property of the HTMLOptionElement represents the text inside the <option> element. This property represents the same information as Node.textContent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/text)
     */
    text: string;
    /**
     * The **`value`** property of the HTMLOptionElement interface represents the value of the <option> element as a string, or the empty string if no value is set. It reflects the element's value attribute, if present. Otherwise, it returns or sets the contents of the element, similar to the textContent property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionElement/value)
     */
    value: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOptionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOptionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLOptionElement: {
    prototype: HTMLOptionElement;
    new(): HTMLOptionElement;
};

/**
 * The **`HTMLOptionsCollection`** interface represents a collection of <option> HTML elements (in document order) and offers methods and properties for selecting from the list as well as optionally altering its items. This object is returned only by the options property of select.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionsCollection)
 */
interface HTMLOptionsCollection extends HTMLCollectionOf<HTMLOptionElement> {
    /**
     * The **`length`** property of the HTMLOptionsCollection interface returns the number of <option> elements in the collection. The property can get or set the size of the collection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionsCollection/length)
     */
    length: number;
    /**
     * The **`selectedIndex`** property of the HTMLOptionsCollection interface is the numeric index of the first selected <option> element, if any, or −1 if no <option> is selected. Setting this property selects the option at that index and deselects all other options in this collection, while setting it to -1 deselects any currently selected elements. It is exactly equivalent to the selectedIndex property of the HTMLSelectElement that owns this collection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionsCollection/selectedIndex)
     */
    selectedIndex: number;
    /**
     * The **`add()`** method of the HTMLOptionsCollection interface adds an HTMLOptionElement or HTMLOptGroupElement to this HTMLOptionsCollection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionsCollection/add)
     */
    add(element: HTMLOptionElement | HTMLOptGroupElement, before?: HTMLElement | number | null): void;
    /**
     * The **`remove()`** method of the HTMLOptionsCollection interface removes the <option> element specified by the index from this collection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOptionsCollection/remove)
     */
    remove(index: number): void;
}

declare var HTMLOptionsCollection: {
    prototype: HTMLOptionsCollection;
    new(): HTMLOptionsCollection;
};

interface HTMLOrSVGElement {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/autofocus) */
    autofocus: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dataset) */
    readonly dataset: DOMStringMap;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/nonce) */
    nonce: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/tabIndex) */
    tabIndex: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/blur) */
    blur(): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/focus) */
    focus(options?: FocusOptions): void;
}

/**
 * The **`HTMLOutputElement`** interface provides properties and methods (beyond those inherited from HTMLElement) for manipulating the layout and presentation of <output> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement)
 */
interface HTMLOutputElement extends HTMLElement {
    /**
     * The **`defaultValue`** property of the HTMLOutputElement interface represents the default text content of this <output> element. Getting and setting this value is equivalent to getting and setting textContent on the <output>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/defaultValue)
     */
    defaultValue: string;
    /**
     * The **`form`** read-only property of the HTMLOutputElement interface returns an HTMLFormElement object that owns this <output>, or null if this output is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The read-only **`htmlFor`** property of the HTMLOutputElement returns a live DOMTokenList object containing a list of ids of those elements contributing input values to (or otherwise affected) the calculation. It reflects the <output> element's for content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/htmlFor)
     */
    get htmlFor(): DOMTokenList;
    set htmlFor(value: string);
    /**
     * The **`HTMLOutputElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <output> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`name`** property of the HTMLOutputElement interface indicates the name of the <output> element. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/name)
     */
    name: string;
    /**
     * The **`type`** read-only property of the HTMLOutputElement interface returns the string "output".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/type)
     */
    readonly type: string;
    /**
     * The **`validationMessage`** read-only property of the HTMLOutputElement interface returns a string representing a localized message that describes the validation constraints that the <output> control does not satisfy (if any). This is the empty string as <output> elements are not candidates for constraint validation (HTMLOutputElement.willValidate is false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLOutputElement interface returns a ValidityState object that represents the validity states this element is in. Although <output> elements are never candidates for constraint validation, the validity state may still be invalid if a custom validity message has been set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`value`** property of the HTMLOutputElement interface represents the value of the <output> element as a string, or the empty string if no value is set. It returns or sets the contents of the element, similar to the textContent property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/value)
     */
    value: string;
    /**
     * The **`willValidate`** read-only property of the HTMLOutputElement interface returns false, because <output> elements are not candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`checkValidity()`** method of the HTMLOutputElement interface checks if the element is valid, but always returns true because <output> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLOutputElement interface performs the same validity checking steps as the checkValidity() method. It always returns true because <output> elements are never candidates for constraint validation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`setCustomValidity()`** method of the HTMLOutputElement interface sets the custom validity message for the <output> element. Use the empty string to indicate that the element does not have a custom validity error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLOutputElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOutputElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLOutputElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLOutputElement: {
    prototype: HTMLOutputElement;
    new(): HTMLOutputElement;
};

/**
 * The **`HTMLParagraphElement`** interface provides special properties (beyond those of the regular HTMLElement object interface it inherits) for manipulating <p> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLParagraphElement)
 */
interface HTMLParagraphElement extends HTMLElement {
    /** @deprecated */
    align: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLParagraphElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLParagraphElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLParagraphElement: {
    prototype: HTMLParagraphElement;
    new(): HTMLParagraphElement;
};

/**
 * The **`HTMLParamElement`** interface provides special properties (beyond those of the regular HTMLElement object interface it inherits) for manipulating <param> elements, representing a pair of a key and a value that acts as a parameter for an <object> element.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLParamElement)
 */
interface HTMLParamElement extends HTMLElement {
    /** @deprecated */
    name: string;
    /** @deprecated */
    type: string;
    /** @deprecated */
    value: string;
    /** @deprecated */
    valueType: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLParamElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLParamElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var HTMLParamElement: {
    prototype: HTMLParamElement;
    new(): HTMLParamElement;
};

/**
 * The **`HTMLPictureElement`** interface represents a <picture> HTML element. It doesn't implement specific properties or methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLPictureElement)
 */
interface HTMLPictureElement extends HTMLElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLPictureElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLPictureElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLPictureElement: {
    prototype: HTMLPictureElement;
    new(): HTMLPictureElement;
};

/**
 * The **`HTMLPreElement`** interface exposes specific properties and methods (beyond those of the HTMLElement interface it also has available to it by inheritance) for manipulating a block of preformatted text (<pre>).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLPreElement)
 */
interface HTMLPreElement extends HTMLElement {
    /** @deprecated */
    width: number;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLPreElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLPreElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLPreElement: {
    prototype: HTMLPreElement;
    new(): HTMLPreElement;
};

/**
 * The **`HTMLProgressElement`** interface provides special properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <progress> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLProgressElement)
 */
interface HTMLProgressElement extends HTMLElement {
    /**
     * The **`HTMLProgressElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <progress> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLProgressElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`max`** property of the HTMLProgressElement interface represents the upper bound of the <progress> element's range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLProgressElement/max)
     */
    max: number;
    /**
     * The **`position`** read-only property of the HTMLProgressElement interface returns current progress of the <progress> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLProgressElement/position)
     */
    readonly position: number;
    /**
     * The **`value`** property of the HTMLProgressElement interface represents the current progress of the <progress> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLProgressElement/value)
     */
    value: number;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLProgressElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLProgressElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLProgressElement: {
    prototype: HTMLProgressElement;
    new(): HTMLProgressElement;
};

/**
 * The **`HTMLQuoteElement`** interface provides special properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating quoting elements, like <blockquote> and <q>, but not the <cite> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLQuoteElement)
 */
interface HTMLQuoteElement extends HTMLElement {
    /**
     * The **`cite`** property of the HTMLQuoteElement interface indicates the URL for the source of the quotation. It reflects the <q> element's cite attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLQuoteElement/cite)
     */
    cite: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLQuoteElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLQuoteElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLQuoteElement: {
    prototype: HTMLQuoteElement;
    new(): HTMLQuoteElement;
};

/**
 * HTML <script> elements expose the **`HTMLScriptElement`** interface, which provides special properties and methods for manipulating the behavior and execution of <script> elements (beyond the inherited HTMLElement interface).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement)
 */
interface HTMLScriptElement extends HTMLElement {
    /**
     * The **`async`** property of the HTMLScriptElement interface is a boolean value that controls how the script should be executed. For classic scripts, if the async property is set to true, the external script will be fetched in parallel to parsing and evaluated as soon as it is available. For module scripts, if the async property is set to true, the script and all their dependencies will be fetched in parallel to parsing and evaluated as soon as they are available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/async)
     */
    async: boolean;
    /**
     * The read-only **`blocking`** property of the HTMLScriptElement returns a live DOMTokenList object containing the operations that should be blocked on the fetching of an external resource. It reflects the <script> element's blocking content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/blocking)
     */
    get blocking(): DOMTokenList;
    set blocking(value: string);
    /** @deprecated */
    charset: string;
    /**
     * The **`crossOrigin`** property of the HTMLScriptElement interface reflects the Cross-Origin Resource Sharing settings for the script element. For classic scripts from other origins, this controls if full error information will be exposed. For module scripts, it controls the script itself and any script it imports. See CORS settings attributes for details.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/crossOrigin)
     */
    crossOrigin: string | null;
    /**
     * The **`defer`** property of the HTMLScriptElement interface is a boolean value that controls how the script should be executed. For classic scripts, if the defer property is set to true, the external script will be executed after the document has been parsed, but before firing DOMContentLoaded event. For module scripts, the defer property has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/defer)
     */
    defer: boolean;
    /** @deprecated */
    event: string;
    /**
     * The **`fetchPriority`** property of the HTMLScriptElement interface represents a hint to the browser indicating how it should prioritize fetching an external script relative to other external scripts. It reflects the <script> element's fetchpriority content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/fetchPriority)
     */
    fetchPriority: "high" | "low" | "auto";
    /** @deprecated */
    htmlFor: string;
    /**
     * The **`integrity`** property of the HTMLScriptElement interface is a string that contains inline metadata that a browser can use to verify that a fetched resource has been delivered without unexpected manipulation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/integrity)
     */
    integrity: string;
    /**
     * The **`noModule`** property of the HTMLScriptElement interface is a boolean value that indicates whether the script should be executed in browsers that support ES modules. Practically, this can be used to serve fallback scripts to older browsers that do not support JavaScript modules.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/noModule)
     */
    noModule: boolean;
    /**
     * The **`referrerPolicy`** property of the HTMLScriptElement interface reflects the HTML referrerpolicy of the <script> element, which defines how the referrer is set when fetching the script and any scripts it imports.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/referrerPolicy)
     */
    referrerPolicy: string;
    /**
     * The **`src`** property of the HTMLScriptElement interface is a string representing the URL of an external script; this can be used as an alternative to embedding a script directly within a document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/src)
     */
    src: string;
    /**
     * The **`text`** property of the HTMLScriptElement interface represents the inline text content of the <script> element. It behaves in the same way as the textContent and innerText property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/text)
     */
    text: string;
    /**
     * The **`type`** property of the HTMLScriptElement interface is a string that reflects the type of the script.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/type)
     */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLScriptElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLScriptElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLScriptElement: {
    prototype: HTMLScriptElement;
    new(): HTMLScriptElement;
    /**
     * The **`supports()`** static method of the HTMLScriptElement interface provides a simple and consistent method to feature-detect what types of scripts are supported by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLScriptElement/supports_static)
     */
    supports(type: string): boolean;
};

/**
 * The **`HTMLSelectElement`** interface represents a <select> HTML Element. These elements also share all of the properties and methods of other HTML elements via the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement)
 */
interface HTMLSelectElement extends HTMLElement {
    /**
     * The **`autocomplete`** property of the HTMLSelectElement interface indicates whether the value of the control can be automatically completed by the browser. It reflects the <select> element's autocomplete attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/autocomplete)
     */
    autocomplete: AutoFill;
    /**
     * The **`HTMLSelectElement.disabled`** property is a boolean value that reflects the disabled HTML attribute, which indicates whether the control is disabled. If it is disabled, it does not accept clicks. A disabled element is unusable and un-clickable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`form`** read-only property of the HTMLSelectElement interface returns an HTMLFormElement object that owns this <select>, or null if this select is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`HTMLSelectElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <select> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`length`** property of the HTMLSelectElement interface specifies the number of <option> elements in the <select> element. It represents the number of nodes in the options collection. On setting, it acts as (HTMLOptionsCollection.length).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/length)
     */
    length: number;
    /**
     * The **`multiple`** property of the HTMLSelectElement interface specifies that the user may select more than one option from the list of options. It reflects the <select> element's multiple attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/multiple)
     */
    multiple: boolean;
    /**
     * The **`name`** property of the HTMLSelectElement interface indicates the name of the <select> element. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/name)
     */
    name: string;
    /**
     * The **`HTMLSelectElement.options`** read-only property returns a HTMLOptionsCollection of the <option> elements contained by the <select> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/options)
     */
    readonly options: HTMLOptionsCollection;
    /**
     * The **`required`** property of the HTMLSelectElement interface specifies that the user must select an option with a non-empty string value before submitting a form. It reflects the <select> element's required attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/required)
     */
    required: boolean;
    /**
     * The **`selectedIndex`** property of the HTMLSelectElement interface is the numeric index of the first selected <option> element in a <select> element, if any, or −1 if no <option> is selected. Setting this property selects the option at that index and deselects all other options, while setting it to -1 deselects any currently selected options.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/selectedIndex)
     */
    selectedIndex: number;
    /**
     * The read-only HTMLSelectElement property **`selectedOptions`** contains a list of the <option> elements contained within the <select> element that are currently selected. The list of selected options is an HTMLCollection object with one entry per currently selected option.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/selectedOptions)
     */
    readonly selectedOptions: HTMLCollectionOf<HTMLOptionElement>;
    /**
     * The **`size`** property of the HTMLSelectElement interface specifies the number of options, or rows, that should be visible at one time. It reflects the <select> element's size attribute. If omitted, the value is 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/size)
     */
    size: number;
    /**
     * The **`HTMLSelectElement.type`** read-only property returns the form control's type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/type)
     */
    readonly type: "select-one" | "select-multiple";
    /**
     * The **`validationMessage`** read-only property of the HTMLSelectElement interface returns a string representing a localized message that describes the validation constraints that the <select> control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (HTMLSelectElement.willValidate is false), or it satisfies its constraints.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLSelectElement interface returns a ValidityState object that represents the validity states this element is in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`HTMLSelectElement.value`** property contains the value of the first selected <option> element associated with this <select> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/value)
     */
    value: string;
    /**
     * The **`willValidate`** read-only property of the HTMLSelectElement interface indicates whether the <select> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, such as when its disabled property is true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`HTMLSelectElement.add()`** method adds an element to the collection of option elements for this select element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/add)
     */
    add(element: HTMLOptionElement | HTMLOptGroupElement, before?: HTMLElement | number | null): void;
    /**
     * The **`checkValidity()`** method of the HTMLSelectElement interface returns a boolean value which indicates if the element meets any constraint validation rules applied to it. If false, the method also fires an invalid event on the element. Because there's no default browser behavior for checkValidity(), canceling this invalid event has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`HTMLSelectElement.item()`** method returns the Element corresponding to the HTMLOptionElement whose position in the options list corresponds to the index given in the parameter, or null if there are none.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/item)
     */
    item(index: number): HTMLOptionElement | null;
    /**
     * The **`HTMLSelectElement.namedItem()`** method returns the HTMLOptionElement corresponding to the HTMLOptionElement whose name or id match the specified name, or null if no option matches.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/namedItem)
     */
    namedItem(name: string): HTMLOptionElement | null;
    /**
     * The **`HTMLSelectElement.remove()`** method removes the element at the specified index from the options collection for this select element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/remove)
     */
    remove(): void;
    remove(index: number): void;
    /**
     * The **`reportValidity()`** method of the HTMLSelectElement interface performs the same validity checking steps as the checkValidity() method. In addition, if the invalid event is not canceled, the browser displays the problem to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`HTMLSelectElement.setCustomValidity()`** method sets the custom validity message for the selection element to the specified message. Use the empty string to indicate that the element does not have a custom validity error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    /**
     * The **`HTMLSelectElement.showPicker()`** method displays the browser picker for a select element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSelectElement/showPicker)
     */
    showPicker(): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSelectElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSelectElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
    [name: number]: HTMLOptionElement | HTMLOptGroupElement;
}

declare var HTMLSelectElement: {
    prototype: HTMLSelectElement;
    new(): HTMLSelectElement;
};

/**
 * The **`HTMLSlotElement`** interface of the Shadow DOM API enables access to the name and assigned nodes of an HTML <slot> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement)
 */
interface HTMLSlotElement extends HTMLElement {
    /**
     * The **`name`** property of the HTMLSlotElement interface returns or sets the slot name. A slot is a placeholder inside a web component that users can fill with their own markup.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/name)
     */
    name: string;
    /**
     * The **`assign()`** method of the HTMLSlotElement interface sets the slot's manually assigned nodes to an ordered set of slottables. The manually assigned nodes set is initially empty until nodes are assigned using assign().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/assign)
     */
    assign(...nodes: (Element | Text)[]): void;
    /**
     * The **`assignedElements()`** method of the HTMLSlotElement interface returns a sequence of the elements assigned to this slot (and no other nodes).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/assignedElements)
     */
    assignedElements(options?: AssignedNodesOptions): Element[];
    /**
     * The **`assignedNodes()`** method of the HTMLSlotElement interface returns a sequence of the nodes assigned to this slot.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/assignedNodes)
     */
    assignedNodes(options?: AssignedNodesOptions): Node[];
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSlotElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSlotElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLSlotElement: {
    prototype: HTMLSlotElement;
    new(): HTMLSlotElement;
};

/**
 * The **`HTMLSourceElement`** interface provides special properties (beyond the regular HTMLElement object interface it also has available to it by inheritance) for manipulating <source> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement)
 */
interface HTMLSourceElement extends HTMLElement {
    /**
     * The **`height`** property of the HTMLSourceElement interface is a non-negative number indicating the height of the image resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/height)
     */
    height: number;
    /**
     * The **`media`** property of the HTMLSourceElement interface is a string representing the intended destination medium for the resource. The value is a media query, which is a comma separated list of media-types, media-features, and logical operators.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/media)
     */
    media: string;
    /**
     * The **`sizes`** property of the HTMLSourceElement interface is a string representing a list of one or more sizes, representing sizes between breakpoints, to which the resource applies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/sizes)
     */
    sizes: string;
    /**
     * The **`src`** property of the HTMLSourceElement interface is a string indicating the URL of a media resource to use as the source for the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/src)
     */
    src: string;
    /**
     * The **`srcset`** property of the HTMLSourceElement interface is a string containing a comma-separated list of candidate images.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/srcset)
     */
    srcset: string;
    /**
     * The **`type`** property of the HTMLSourceElement interface is a string representing the MIME type of the media resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/type)
     */
    type: string;
    /**
     * The **`width`** property of the HTMLSourceElement interface is a non-negative number indicating the width of the image resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSourceElement/width)
     */
    width: number;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSourceElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSourceElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLSourceElement: {
    prototype: HTMLSourceElement;
    new(): HTMLSourceElement;
};

/**
 * The **`HTMLSpanElement`** interface represents a <span> element and derives from the HTMLElement interface, but without implementing any additional properties or methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLSpanElement)
 */
interface HTMLSpanElement extends HTMLElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSpanElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLSpanElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLSpanElement: {
    prototype: HTMLSpanElement;
    new(): HTMLSpanElement;
};

/**
 * The **`HTMLStyleElement`** interface represents a <style> element. It inherits properties and methods from its parent, HTMLElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLStyleElement)
 */
interface HTMLStyleElement extends HTMLElement, LinkStyle {
    /**
     * The read-only **`blocking`** property of the HTMLStyleElement returns a live DOMTokenList object containing the operations that should be blocked on the fetching of an external resource. It reflects the <style> element's blocking content attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLStyleElement/blocking)
     */
    get blocking(): DOMTokenList;
    set blocking(value: string);
    /**
     * The **`HTMLStyleElement.disabled`** property can be used to get and set whether the stylesheet is disabled (true) or not (false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLStyleElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`HTMLStyleElement.media`** property specifies the intended destination medium for style information.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLStyleElement/media)
     */
    media: string;
    /**
     * The **`HTMLStyleElement.type`** property returns the type of the current style. The value mirrors the HTML <style> element's type attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLStyleElement/type)
     */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLStyleElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLStyleElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLStyleElement: {
    prototype: HTMLStyleElement;
    new(): HTMLStyleElement;
};

/**
 * The **`HTMLTableCaptionElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating table <caption> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCaptionElement)
 */
interface HTMLTableCaptionElement extends HTMLElement {
    /**
     * The **`align`** property of the HTMLTableCaptionElement interface is a string indicating how to horizontally align text in the <caption> table element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCaptionElement/align)
     */
    align: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableCaptionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableCaptionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableCaptionElement: {
    prototype: HTMLTableCaptionElement;
    new(): HTMLTableCaptionElement;
};

/**
 * The **`HTMLTableCellElement`** interface provides special properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of table cells, either header cells (<th>) or data cells (<td>), in an HTML document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement)
 */
interface HTMLTableCellElement extends HTMLElement {
    /**
     * The **`abbr`** property of the HTMLTableCellElement interface indicates an abbreviation associated with the cell. If the cell does not represent a header cell <th>, it is ignored.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/abbr)
     */
    abbr: string;
    /**
     * The **`align`** property of the HTMLTableCellElement interface is a string indicating how to horizontally align text in the <th> or <td> table cell.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/align)
     */
    align: string;
    /** @deprecated */
    axis: string;
    /**
     * The **`HTMLTableCellElement.bgColor`** property is used to set the background color of a cell or get the value of the obsolete bgColor attribute, if present.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/bgColor)
     */
    bgColor: string;
    /**
     * The **`cellIndex`** read-only property of the HTMLTableCellElement interface represents the position of a cell within its row (<tr>). The first cell has an index of 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/cellIndex)
     */
    readonly cellIndex: number;
    /**
     * The **`ch`** property of the HTMLTableCellElement interface does nothing. It reflects the char attribute of the cell element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/ch)
     */
    ch: string;
    /**
     * The **`chOff`** property of the HTMLTableCellElement interface does nothing. It reflects the charoff attribute of the cell element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/chOff)
     */
    chOff: string;
    /**
     * The **`colSpan`** property of the HTMLTableCellElement interface represents the number of columns this cell must span; this lets the cell occupy space across multiple columns of the table. It reflects the colspan attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/colSpan)
     */
    colSpan: number;
    /**
     * The **`headers`** property of the HTMLTableCellElement interface contains a list of IDs of <th> elements that are headers for this specific cell.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/headers)
     */
    headers: string;
    /** @deprecated */
    height: string;
    /**
     * The **`noWrap`** property of the HTMLTableCellElement interface returns a Boolean value indicating if the text of the cell may be wrapped on several lines or not.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/noWrap)
     */
    noWrap: boolean;
    /**
     * The **`rowSpan`** property of the HTMLTableCellElement interface represents the number of rows this cell must span; this lets the cell occupy space across multiple rows of the table. It reflects the rowspan attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/rowSpan)
     */
    rowSpan: number;
    /**
     * The **`scope`** property of the HTMLTableCellElement interface indicates the scope of a <th> cell.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/scope)
     */
    scope: string;
    /**
     * The **`vAlign`** property of the HTMLTableCellElement interface is a string indicating how to vertically align text in a <th> or <td> table cell.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCellElement/vAlign)
     */
    vAlign: string;
    /** @deprecated */
    width: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableCellElement: {
    prototype: HTMLTableCellElement;
    new(): HTMLTableCellElement;
};

/**
 * The **`HTMLTableColElement`** interface provides properties for manipulating single or grouped table column elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement)
 */
interface HTMLTableColElement extends HTMLElement {
    /**
     * The **`align`** property of the HTMLTableColElement interface is a string indicating how to horizontally align text in a table <col> column element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement/align)
     */
    align: string;
    /**
     * The **`ch`** property of the HTMLTableColElement interface does nothing. It reflects the char attribute of the <col> element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement/ch)
     */
    ch: string;
    /**
     * The **`chOff`** property of the HTMLTableColElement interface does nothing. It reflects the charoff attribute of the <col> element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement/chOff)
     */
    chOff: string;
    /**
     * The **`span`** property of the HTMLTableColElement interface represents the number of columns this <col> or <colgroup> must span; this lets the column occupy space across multiple columns of the table. It reflects the span attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement/span)
     */
    span: number;
    /**
     * The **`vAlign`** property of the HTMLTableColElement interface is a string indicating how to vertically align text in a table <col> column element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableColElement/vAlign)
     */
    vAlign: string;
    /** @deprecated */
    width: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableColElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableColElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableColElement: {
    prototype: HTMLTableColElement;
    new(): HTMLTableColElement;
};

/** @deprecated prefer HTMLTableCellElement */
interface HTMLTableDataCellElement extends HTMLTableCellElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableDataCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableDataCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/**
 * The **`HTMLTableElement`** interface provides special properties and methods (beyond the regular HTMLElement object interface it also has available to it by inheritance) for manipulating the layout and presentation of tables in an HTML document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement)
 */
interface HTMLTableElement extends HTMLElement {
    /**
     * The **`HTMLTableElement.align`** property represents the alignment of the table.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/align)
     */
    align: string;
    /**
     * The bgcolor property of the HTMLTableElement represents the background color of the table.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/bgColor)
     */
    bgColor: string;
    /**
     * The **`HTMLTableElement.border`** property represents the border width of the <table> element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/border)
     */
    border: string;
    /**
     * The **`HTMLTableElement.caption`** property represents the table caption. If no caption element is associated with the table, this property is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/caption)
     */
    caption: HTMLTableCaptionElement | null;
    /**
     * The **`HTMLTableElement.cellPadding`** property represents the padding around the individual cells of the table.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/cellPadding)
     */
    cellPadding: string;
    /**
     * While you should instead use the CSS border-spacing property, the obsolete HTMLTableElement interface's **`cellSpacing`** property represents the spacing around the individual <th> and <td> elements representing a table's cells. Any two cells are separated by the sum of the cellSpacing of each of the two cells.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/cellSpacing)
     */
    cellSpacing: string;
    /**
     * The HTMLTableElement interface's **`frame`** property is a string that indicates which of the table's exterior borders should be drawn.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/frame)
     */
    frame: string;
    /**
     * The read-only HTMLTableElement property **`rows`** returns a live HTMLCollection of all the rows in the table, including the rows contained within any <thead>, <tfoot>, and <tbody> elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/rows)
     */
    readonly rows: HTMLCollectionOf<HTMLTableRowElement>;
    /**
     * The **`HTMLTableElement.rules`** property indicates which cell borders to render in the table.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/rules)
     */
    rules: string;
    /**
     * The **`HTMLTableElement.summary`** property represents the table description.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/summary)
     */
    summary: string;
    /**
     * The **`HTMLTableElement.tBodies`** read-only property returns a live HTMLCollection of the bodies in a <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/tBodies)
     */
    readonly tBodies: HTMLCollectionOf<HTMLTableSectionElement>;
    /**
     * The **`HTMLTableElement.tFoot`** property represents the <tfoot> element of a <table>. Its value will be null if there is no such element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/tFoot)
     */
    tFoot: HTMLTableSectionElement | null;
    /**
     * The **`HTMLTableElement.tHead`** represents the <thead> element of a <table>. Its value will be null if there is no such element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/tHead)
     */
    tHead: HTMLTableSectionElement | null;
    /**
     * The **`HTMLTableElement.width`** property represents the desired width of the table.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/width)
     */
    width: string;
    /**
     * The **`HTMLTableElement.createCaption()`** method returns the <caption> element associated with a given <table>. If no <caption> element exists on the table, this method creates it, and then returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/createCaption)
     */
    createCaption(): HTMLTableCaptionElement;
    /**
     * The **`createTBody()`** method of HTMLTableElement objects creates and returns a new <tbody> element associated with a given <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/createTBody)
     */
    createTBody(): HTMLTableSectionElement;
    /**
     * The **`createTFoot()`** method of HTMLTableElement objects returns the <tfoot> element associated with a given <table>. If no footer exists in the table, this method creates it, and then returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/createTFoot)
     */
    createTFoot(): HTMLTableSectionElement;
    /**
     * The **`createTHead()`** method of HTMLTableElement objects returns the <thead> element associated with a given <table>. If no header exists in the table, this method creates it, and then returns it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/createTHead)
     */
    createTHead(): HTMLTableSectionElement;
    /**
     * The **`HTMLTableElement.deleteCaption()`** method removes the <caption> element from a given <table>. If there is no <caption> element associated with the table, this method does nothing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/deleteCaption)
     */
    deleteCaption(): void;
    /**
     * The **`HTMLTableElement.deleteRow()`** method removes a specific row (<tr>) from a given <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/deleteRow)
     */
    deleteRow(index: number): void;
    /**
     * The **`HTMLTableElement.deleteTFoot()`** method removes the <tfoot> element from a given <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/deleteTFoot)
     */
    deleteTFoot(): void;
    /**
     * The **`HTMLTableElement.deleteTHead()`** removes the <thead> element from a given <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/deleteTHead)
     */
    deleteTHead(): void;
    /**
     * The **`insertRow()`** method of the HTMLTableElement interface inserts a new row (<tr>) in a given <table>, and returns a reference to the new row.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableElement/insertRow)
     */
    insertRow(index?: number): HTMLTableRowElement;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableElement: {
    prototype: HTMLTableElement;
    new(): HTMLTableElement;
};

/** @deprecated prefer HTMLTableCellElement */
interface HTMLTableHeaderCellElement extends HTMLTableCellElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableHeaderCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableHeaderCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/**
 * The **`HTMLTableRowElement`** interface provides special properties and methods (beyond the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of rows in an HTML table.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement)
 */
interface HTMLTableRowElement extends HTMLElement {
    /**
     * The **`align`** property of the HTMLTableRowElement interface is a string indicating how to horizontally align text in the <tr> table row. Individual cells can override it.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/align)
     */
    align: string;
    /**
     * The **`HTMLTableRowElement.bgColor`** property is used to set the background color of a row or retrieve the value of the obsolete bgColor attribute, if present.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/bgColor)
     */
    bgColor: string;
    /**
     * The **`cells`** read-only property of the HTMLTableRowElement interface returns a live HTMLCollection containing the cells in the row. The HTMLCollection is live and is automatically updated when cells are added or removed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/cells)
     */
    readonly cells: HTMLCollectionOf<HTMLTableCellElement>;
    /**
     * The **`ch`** property of the HTMLTableRowElement interface does nothing. It reflects the char attribute of the <tr> element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/ch)
     */
    ch: string;
    /**
     * The **`chOff`** property of the HTMLTableRowElement interface does nothing. It reflects the charoff attribute of the <tr> element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/chOff)
     */
    chOff: string;
    /**
     * The **`rowIndex`** read-only property of the HTMLTableRowElement interface represents the position of a row within the whole <table>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/rowIndex)
     */
    readonly rowIndex: number;
    /**
     * The **`sectionRowIndex`** read-only property of the HTMLTableRowElement interface represents the position of a row within the current section (<thead>, <tbody>, or <tfoot>).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/sectionRowIndex)
     */
    readonly sectionRowIndex: number;
    /**
     * The **`vAlign`** property of the HTMLTableRowElement interface is a string indicating how to vertically align text in a <tr> table row. Individual cells can override it.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/vAlign)
     */
    vAlign: string;
    /**
     * The **`deleteCell()`** method of the HTMLTableRowElement interface removes a specific row cell from a given <tr>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/deleteCell)
     */
    deleteCell(index: number): void;
    /**
     * The **`insertCell()`** method of the HTMLTableRowElement interface inserts a new cell (<td>) into a table row (<tr>) and returns a reference to the cell.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/insertCell)
     */
    insertCell(index?: number): HTMLTableCellElement;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableRowElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableRowElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableRowElement: {
    prototype: HTMLTableRowElement;
    new(): HTMLTableRowElement;
};

/**
 * The **`HTMLTableSectionElement`** interface provides special properties and methods (beyond the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of sections, that is headers, footers and bodies (<thead>, <tfoot>, and <tbody>, respectively) in an HTML table.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement)
 */
interface HTMLTableSectionElement extends HTMLElement {
    /**
     * The **`align`** property of the HTMLTableSectionElement interface is a string indicating how to horizontally align text in a <thead>, <tbody> or <tfoot> table section. Individual rows and cells can override it.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/align)
     */
    align: string;
    /**
     * The **`ch`** property of the HTMLTableSectionElement interface does nothing. It reflects the char attribute of the section element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/ch)
     */
    ch: string;
    /**
     * The **`chOff`** property of the HTMLTableSectionElement interface does nothing. It reflects the charoff attribute of the section element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/chOff)
     */
    chOff: string;
    /**
     * The **`rows`** read-only property of the HTMLTableSectionElement interface returns a live HTMLCollection containing the rows in the section. The HTMLCollection is live and is automatically updated when rows are added or removed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/rows)
     */
    readonly rows: HTMLCollectionOf<HTMLTableRowElement>;
    /**
     * The **`vAlign`** property of the HTMLTableSectionElement interface is a string indicating how to vertically align text in a <thead>, <tbody> or <tfoot> table section. Individual rows and cells can override it.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/vAlign)
     */
    vAlign: string;
    /**
     * The **`deleteRow()`** method of the HTMLTableSectionElement interface removes a specific row (<tr>) from a given <section>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/deleteRow)
     */
    deleteRow(index: number): void;
    /**
     * The **`insertRow()`** method of the HTMLTableSectionElement interface inserts a new row (<tr>) in the given table sectioning element (<thead>, <tfoot>, or <tbody>), then returns a reference to this new row.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/insertRow)
     */
    insertRow(index?: number): HTMLTableRowElement;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableSectionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableSectionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTableSectionElement: {
    prototype: HTMLTableSectionElement;
    new(): HTMLTableSectionElement;
};

/**
 * The **`HTMLTemplateElement`** interface enables access to the contents of an HTML <template> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement)
 */
interface HTMLTemplateElement extends HTMLElement {
    /**
     * The **`content`** property of the HTMLTemplateElement interface returns the <template> element's template contents as a DocumentFragment. This content's ownerDocument is a separate Document from the one that contains the <template> element itself — unless the containing document is itself constructed for the purpose of holding template content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement/content)
     */
    readonly content: DocumentFragment;
    /**
     * The **`shadowRootClonable`** property reflects the value of the shadowrootclonable attribute of the associated <template> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement/shadowRootClonable)
     */
    shadowRootClonable: boolean;
    shadowRootCustomElementRegistry: string;
    /**
     * The **`shadowRootDelegatesFocus`** property of the HTMLTemplateElement interface reflects the value of the shadowrootdelegatesfocus attribute of the associated <template> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement/shadowRootDelegatesFocus)
     */
    shadowRootDelegatesFocus: boolean;
    /**
     * The **`shadowRootMode`** property of the HTMLTemplateElement interface reflects the value of the shadowrootmode attribute of the associated <template> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement/shadowRootMode)
     */
    shadowRootMode: string;
    /**
     * The **`shadowRootSerializable`** property reflects the value of the shadowrootserializable attribute of the associated <template> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTemplateElement/shadowRootSerializable)
     */
    shadowRootSerializable: boolean;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTemplateElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTemplateElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTemplateElement: {
    prototype: HTMLTemplateElement;
    new(): HTMLTemplateElement;
};

/**
 * The **`HTMLTextAreaElement`** interface provides properties and methods for manipulating the layout and presentation of <textarea> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement)
 */
interface HTMLTextAreaElement extends HTMLElement {
    /**
     * The **`autocomplete`** property of the HTMLTextAreaElement interface indicates whether the value of the control can be automatically completed by the browser. It reflects the <textarea> element's autocomplete attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/autocomplete)
     */
    autocomplete: AutoFill;
    /**
     * The **`cols`** property of the HTMLTextAreaElement interface is a positive integer representing the visible width of the multi-line text control, in average character widths. It reflects the <textarea> element's cols attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/cols)
     */
    cols: number;
    /**
     * The **`defaultValue`** property of the HTMLTextAreaElement interface represents the default text content of this text area. Getting and setting this value is equivalent to getting and setting textContent on the <textarea>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/defaultValue)
     */
    defaultValue: string;
    /**
     * The **`dirName`** property of the HTMLTextAreaElement interface is the directionality of the element. It reflects the value of the <textarea> element's dirName attribute. This property can be retrieved or set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/dirName)
     */
    dirName: string;
    /**
     * The **`disabled`** property of the HTMLTextAreaElement interface indicates whether this multi-line text control is disabled and cannot be interacted with. It reflects the <textarea> element's disabled attribute. When false, this textarea may still be disabled if its containing element, such as a <fieldset>, is disabled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`form`** read-only property of the HTMLTextAreaElement interface returns an HTMLFormElement object that owns this <textarea>, or null if this textarea is not owned by any form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/form)
     */
    readonly form: HTMLFormElement | null;
    /**
     * The **`HTMLTextAreaElement.labels`** read-only property returns a NodeList of the <label> elements associated with the <textArea> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/labels)
     */
    readonly labels: NodeListOf<HTMLLabelElement>;
    /**
     * The **`maxLength`** property of the HTMLTextAreaElement interface indicates the maximum number of characters (in UTF-16 code units) allowed to be entered for the value of the <textarea> element, and the maximum number of characters allowed for the value to be valid. It reflects the element's maxlength attribute. -1 means there is no limit on the length of the value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/maxLength)
     */
    maxLength: number;
    /**
     * The **`minLength`** property of the HTMLTextAreaElement interface indicates the minimum number of characters (in UTF-16 code units) required for the value of the <textarea> element to be valid. It reflects the element's minlength attribute. -1 means there is no minimum length requirement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/minLength)
     */
    minLength: number;
    /**
     * The **`name`** property of the HTMLTextAreaElement interface indicates the name of the <textarea> element. It reflects the element's name attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/name)
     */
    name: string;
    /**
     * The **`placeholder`** property of the HTMLTextAreaElement interface represents a hint to the user of what can be entered in the control. It reflects the <textarea> element's placeholder attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/placeholder)
     */
    placeholder: string;
    /**
     * The **`readOnly`** property of the HTMLTextAreaElement interface indicates that the user cannot modify the value of the control. Unlike the disabled attribute, the readonly attribute does not prevent the user from clicking or selecting in the control. It reflects the <textarea> element's readonly attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/readOnly)
     */
    readOnly: boolean;
    /**
     * The **`required`** property of the HTMLTextAreaElement interface specifies that the user must fill in a value before submitting a form. It reflects the <textarea> element's required attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/required)
     */
    required: boolean;
    /**
     * The **`rows`** property of the HTMLTextAreaElement interface is a positive integer representing the visible text lines of the text control. It reflects the <textarea> element's rows attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/rows)
     */
    rows: number;
    /**
     * The **`selectionDirection`** property of the HTMLTextAreaElement interface specifies the current direction of the selection. The possible values are "forward", "backward", and "none". The forward value indicates the selection was performed in the start-to-end direction of the current locale, with backward indicating the opposite direction. The none value occurs if the direction is unknown. It can be used to both retrieve and change the direction of the <textarea>s selected text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/selectionDirection)
     */
    selectionDirection: SelectionDirection;
    /**
     * The **`selectionEnd`** property of the HTMLTextAreaElement interface specifies the end position of the current text selection in a <textarea> element. It is a number representing the last index of the selected text. It can be used to both retrieve and set the index of the end of a <textarea>s selected text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/selectionEnd)
     */
    selectionEnd: number;
    /**
     * The **`selectionStart`** property of the HTMLTextAreaElement interface specifies the start position of the current text selection in a <textarea> element. It is a number representing the beginning index of the selected text. It can be used to both retrieve and set the start of the index of the beginning of a <textarea>s selected text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/selectionStart)
     */
    selectionStart: number;
    /**
     * The **`textLength`** read-only property of the HTMLTextAreaElement interface is a non-negative integer representing the number of characters, in UTF-16 code units, of the <textarea> element's value. It is a shortcut of accessing length on its value property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/textLength)
     */
    readonly textLength: number;
    /**
     * The **`type`** read-only property of the HTMLTextAreaElement interface returns the string "textarea".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/type)
     */
    readonly type: string;
    /**
     * The **`validationMessage`** read-only property of the HTMLTextAreaElement interface returns a string representing a localized message that describes the validation constraints that the <textarea> control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (HTMLTextAreaElement.willValidate is false), or it satisfies its constraints.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/validationMessage)
     */
    readonly validationMessage: string;
    /**
     * The **`validity`** read-only property of the HTMLTextAreaElement interface returns a ValidityState object that represents the validity states this element is in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/validity)
     */
    readonly validity: ValidityState;
    /**
     * The **`value`** property of the HTMLTextAreaElement interface represents the value of the <textarea> element as a string, which is an empty string if the widget contains no content. It returns or sets the raw value contained in the control.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/value)
     */
    value: string;
    /**
     * The **`willValidate`** read-only property of the HTMLTextAreaElement interface indicates whether the <textarea> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, such as when its disabled or readOnly property is true.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/willValidate)
     */
    readonly willValidate: boolean;
    /**
     * The **`wrap`** property of the HTMLTextAreaElement interface indicates how the control should wrap the value for form submission. It reflects the <textarea> element's wrap attribute. Note that the "hard" value only has an effect when the cols attribute is also set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/wrap)
     */
    wrap: string;
    /**
     * The **`checkValidity()`** method of the HTMLTextAreaElement interface returns a boolean value which indicates if the element meets any constraint validation rules applied to it. If false, the method also fires an invalid event on the element. Because there's no default browser behavior for checkValidity(), canceling this invalid event has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/checkValidity)
     */
    checkValidity(): boolean;
    /**
     * The **`reportValidity()`** method of the HTMLTextAreaElement interface performs the same validity checking steps as the checkValidity() method. In addition, if the invalid event is not canceled, the browser displays the problem to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/reportValidity)
     */
    reportValidity(): boolean;
    /**
     * The **`select()`** method of the HTMLTextAreaElement interface selects the entire contents of the <textarea> element. In addition, the select event is fired. The select() method does not take any parameters and does not return a value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/select)
     */
    select(): void;
    /**
     * The **`setCustomValidity()`** method of the HTMLTextAreaElement interface sets the custom validity message for the <textarea> element. Use the empty string to indicate that the element does not have a custom validity error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/setCustomValidity)
     */
    setCustomValidity(error: string): void;
    /**
     * The **`setRangeText()`** method of the HTMLTextAreaElement interface replaces a range of text in a <textarea> element with new text passed as the argument.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/setRangeText)
     */
    setRangeText(replacement: string): void;
    setRangeText(replacement: string, start: number, end: number, selectionMode?: SelectionMode): void;
    /**
     * The **`setSelectionRange()`** method of the HTMLTextAreaElement interface sets the start and end positions of the current text selection, and optionally the direction, in a <textarea> element. This updates the selection state immediately, though the visual highlight only appears when the element is focused. The direction indicates the in which selection should be considered to have occurred; for example, that the selection was set by the user clicking and dragging from the end of the selected text toward the beginning. In addition, the select and selectionchange events are fired.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTextAreaElement/setSelectionRange)
     */
    setSelectionRange(start: number | null, end: number | null, direction?: SelectionDirection): void;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTextAreaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTextAreaElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTextAreaElement: {
    prototype: HTMLTextAreaElement;
    new(): HTMLTextAreaElement;
};

/**
 * The **`HTMLTimeElement`** interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <time> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTimeElement)
 */
interface HTMLTimeElement extends HTMLElement {
    /**
     * The **`dateTime`** property of the HTMLTimeElement interface is a string that reflects the datetime HTML attribute, containing a machine-readable form of the element's date and time value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTimeElement/dateTime)
     */
    dateTime: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTimeElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTimeElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTimeElement: {
    prototype: HTMLTimeElement;
    new(): HTMLTimeElement;
};

/**
 * The **`HTMLTitleElement`** interface is implemented by a document's <title>. This element inherits all of the properties and methods of the HTMLElement interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTitleElement)
 */
interface HTMLTitleElement extends HTMLElement {
    /**
     * The **`text`** property of the HTMLTitleElement interface represents the child text content of the document's title as a string. It contains the <title> element's content as text; if HTML tags are included within the <title> element, they are included as part of the string value rather than being parsed as HTML.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTitleElement/text)
     */
    text: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTitleElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTitleElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTitleElement: {
    prototype: HTMLTitleElement;
    new(): HTMLTitleElement;
};

/**
 * The **`HTMLTrackElement`** interface represents an HTML <track> element within the DOM. This element can be used as a child of either <audio> or <video> to specify a text track containing information such as closed captions or subtitles.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement)
 */
interface HTMLTrackElement extends HTMLElement {
    /**
     * The **`default`** property of the HTMLTrackElement interface represents whether the track will be enabled if the user's preferences do not indicate that another track would be more appropriate. It reflects the <track> element's boolean default attribute, returning true if present and false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/default)
     */
    default: boolean;
    /**
     * The **`kind`** property of the HTMLTrackElement interface represents the type of track, or how the text track is meant to be used. It reflects the <track> element's enumerated kind attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/kind)
     */
    kind: string;
    /**
     * The **`label`** property of the HTMLTrackElement represents the user-readable title displayed when listing subtitle, caption, and audio descriptions for a track. It reflects the <track> element's label attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/label)
     */
    label: string;
    /**
     * The **`readyState`** read-only property of the HTMLTrackElement interface returns a number representing the <track> element's text track readiness state:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/readyState)
     */
    readonly readyState: number;
    /**
     * The **`src`** property of the HTMLTrackElement interface reflects the value of the <track> element's src attribute, which indicates the URL of the text track's data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/src)
     */
    src: string;
    /**
     * The **`srclang`** property of the HTMLTrackElement interface reflects the value of the <track> element's srclang attribute or the empty string if not defined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/srclang)
     */
    srclang: string;
    /**
     * The **`track`** read-only property of the HTMLTrackElement interface returns a TextTrack object corresponding to the text track of the <track> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/track)
     */
    readonly track: TextTrack;
    readonly NONE: 0;
    readonly LOADING: 1;
    readonly LOADED: 2;
    readonly ERROR: 3;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTrackElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTrackElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLTrackElement: {
    prototype: HTMLTrackElement;
    new(): HTMLTrackElement;
    readonly NONE: 0;
    readonly LOADING: 1;
    readonly LOADED: 2;
    readonly ERROR: 3;
};

/**
 * The **`HTMLUListElement`** interface provides special properties (beyond those defined on the regular HTMLElement interface it also has available to it by inheritance) for manipulating unordered list (<ul>) elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLUListElement)
 */
interface HTMLUListElement extends HTMLElement {
    /**
     * The **`compact`** property of the HTMLUListElement interface indicates that spacing between list items should be reduced. The exact handling of the compact attribute is browser-specific. Instead of using this property, consider using CSS line-height instead.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLUListElement/compact)
     */
    compact: boolean;
    /** @deprecated */
    type: string;
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLUListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLUListElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLUListElement: {
    prototype: HTMLUListElement;
    new(): HTMLUListElement;
};

/**
 * The **`HTMLUnknownElement`** interface represents an invalid HTML element and derives from the HTMLElement interface, but without implementing any additional properties or methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLUnknownElement)
 */
interface HTMLUnknownElement extends HTMLElement {
    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLUnknownElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLUnknownElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLUnknownElement: {
    prototype: HTMLUnknownElement;
    new(): HTMLUnknownElement;
};

interface HTMLVideoElementEventMap extends HTMLMediaElementEventMap {
    "enterpictureinpicture": PictureInPictureEvent;
    "leavepictureinpicture": PictureInPictureEvent;
}

/**
 * Implemented by the <video> element, the **`HTMLVideoElement`** interface provides special properties and methods for manipulating video objects. It also inherits properties and methods of HTMLMediaElement and HTMLElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement)
 */
interface HTMLVideoElement extends HTMLMediaElement {
    /**
     * The HTMLVideoElement **`disablePictureInPicture`** property reflects the HTML attribute indicating whether the picture-in-picture feature is disabled for the current element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/disablePictureInPicture)
     */
    disablePictureInPicture: boolean;
    /**
     * The **`height`** property of the HTMLVideoElement interface returns an integer that reflects the height attribute of the <video> element, specifying the displayed height of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/height)
     */
    height: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/enterpictureinpicture_event) */
    onenterpictureinpicture: ((this: HTMLVideoElement, ev: PictureInPictureEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/leavepictureinpicture_event) */
    onleavepictureinpicture: ((this: HTMLVideoElement, ev: PictureInPictureEvent) => any) | null;
    playsInline: boolean;
    /**
     * The **`poster`** property of the HTMLVideoElement interface is a string that reflects the URL for an image to be shown while no video data is available. If the property does not represent a valid URL, no poster frame will be shown.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/poster)
     */
    poster: string;
    /**
     * The HTMLVideoElement interface's read-only **`videoHeight`** property indicates the intrinsic height of the video, expressed in CSS pixels. In simple terms, this is the height of the media in its natural size.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/videoHeight)
     */
    readonly videoHeight: number;
    /**
     * The HTMLVideoElement interface's read-only **`videoWidth`** property indicates the intrinsic width of the video, expressed in CSS pixels. In simple terms, this is the width of the media in its natural size.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/videoWidth)
     */
    readonly videoWidth: number;
    /**
     * The **`width`** property of the HTMLVideoElement interface returns an integer that reflects the width attribute of the <video> element, specifying the displayed width of the resource in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/width)
     */
    width: number;
    /**
     * The **`cancelVideoFrameCallback()`** method of the HTMLVideoElement interface cancels a previously-registered video frame callback.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/cancelVideoFrameCallback)
     */
    cancelVideoFrameCallback(handle: number): void;
    /**
     * The HTMLVideoElement method **`getVideoPlaybackQuality()`** creates and returns a VideoPlaybackQuality object containing metrics including how many frames have been lost.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/getVideoPlaybackQuality)
     */
    getVideoPlaybackQuality(): VideoPlaybackQuality;
    /**
     * The HTMLVideoElement method **`requestPictureInPicture()`** issues an asynchronous request to display the video in picture-in-picture mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/requestPictureInPicture)
     */
    requestPictureInPicture(): Promise<PictureInPictureWindow>;
    /**
     * The **`requestVideoFrameCallback()`** method of the HTMLVideoElement interface registers a callback function that runs when a new video frame is sent to the compositor. This enables developers to perform efficient operations on each video frame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement/requestVideoFrameCallback)
     */
    requestVideoFrameCallback(callback: VideoFrameRequestCallback): number;
    addEventListener<K extends keyof HTMLVideoElementEventMap>(type: K, listener: (this: HTMLVideoElement, ev: HTMLVideoElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof HTMLVideoElementEventMap>(type: K, listener: (this: HTMLVideoElement, ev: HTMLVideoElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var HTMLVideoElement: {
    prototype: HTMLVideoElement;
    new(): HTMLVideoElement;
};

/**
 * The **`HashChangeEvent`** interface represents events that fire when the fragment identifier of the URL has changed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HashChangeEvent)
 */
interface HashChangeEvent extends Event {
    /**
     * The **`newURL`** read-only property of the HashChangeEvent interface returns the new URL to which the window is navigating.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HashChangeEvent/newURL)
     */
    readonly newURL: string;
    /**
     * The **`oldURL`** read-only property of the HashChangeEvent interface returns the previous URL from which the window was navigated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HashChangeEvent/oldURL)
     */
    readonly oldURL: string;
}

declare var HashChangeEvent: {
    prototype: HashChangeEvent;
    new(type: string, eventInitDict?: HashChangeEventInit): HashChangeEvent;
};

/**
 * The **`Headers`** interface of the Fetch API allows you to perform various actions on HTTP request and response headers. These actions include retrieving, setting, adding to, and removing headers from the list of the request's headers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers)
 */
interface Headers {
    /**
     * The **`append()`** method of the Headers interface appends a new value onto an existing header inside a Headers object, or adds the header if it does not already exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/append)
     */
    append(name: string, value: string): void;
    /**
     * The **`delete()`** method of the Headers interface deletes a header from the current Headers object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/delete)
     */
    delete(name: string): void;
    /**
     * The **`get()`** method of the Headers interface returns a byte string of all the values of a header within a Headers object with a given name. If the requested header doesn't exist in the Headers object, it returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/get)
     */
    get(name: string): string | null;
    /**
     * The **`getSetCookie()`** method of the Headers interface returns an array containing the values of all Set-Cookie headers associated with a response. This allows Headers objects to handle having multiple Set-Cookie headers, which wasn't possible prior to its implementation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/getSetCookie)
     */
    getSetCookie(): string[];
    /**
     * The **`has()`** method of the Headers interface returns a boolean stating whether a Headers object contains a certain header.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/has)
     */
    has(name: string): boolean;
    /**
     * The **`set()`** method of the Headers interface sets a new value for an existing header inside a Headers object, or adds the header if it does not already exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/set)
     */
    set(name: string, value: string): void;
    forEach(callbackfn: (value: string, key: string, parent: Headers) => void, thisArg?: any): void;
}

declare var Headers: {
    prototype: Headers;
    new(init?: HeadersInit): Headers;
};

/**
 * The **`Highlight`** interface of the CSS Custom Highlight API is used to represent a collection of Range instances to be styled using the API.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Highlight)
 */
interface Highlight {
    /**
     * The **`priority`** property of the Highlight interface is a number used to determine which highlight's styles should be used to resolve style conflicts in overlapping parts. Highlights with a higher priority number have preference over those with a lower priority.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Highlight/priority)
     */
    priority: number;
    /**
     * The **`type`** property of the Highlight interface is an enumerated String used to specify the meaning of the highlight. This allows assistive technologies, such as screen readers, to include this meaning when exposing the highlight to users.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Highlight/type)
     */
    type: HighlightType;
    forEach(callbackfn: (value: AbstractRange, key: AbstractRange, parent: Highlight) => void, thisArg?: any): void;
}

declare var Highlight: {
    prototype: Highlight;
    new(...initialRanges: AbstractRange[]): Highlight;
};

/**
 * The **`HighlightRegistry`** interface of the CSS Custom Highlight API is used to register Highlight objects to be styled using the API. It is accessed via CSS.highlights.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HighlightRegistry)
 */
interface HighlightRegistry {
    forEach(callbackfn: (value: Highlight, key: string, parent: HighlightRegistry) => void, thisArg?: any): void;
}

declare var HighlightRegistry: {
    prototype: HighlightRegistry;
    new(): HighlightRegistry;
};

/**
 * The **`History`** interface of the History API allows manipulation of the browser session history, that is the pages visited in the tab or frame that the current page is loaded in.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History)
 */
interface History {
    /**
     * The **`length`** read-only property of the History interface returns an integer representing the number of entries in the session history, including the currently loaded page.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/length)
     */
    readonly length: number;
    /**
     * The **`scrollRestoration`** property of the History interface allows web applications to explicitly set default scroll restoration behavior on history navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/scrollRestoration)
     */
    scrollRestoration: ScrollRestoration;
    /**
     * The **`state`** read-only property of the History interface returns a value representing the state at the top of the history stack. This is a way to look at the state without having to wait for a popstate event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/state)
     */
    readonly state: any;
    /**
     * The **`back()`** method of the History interface causes the browser to move back one page in the session history.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/back)
     */
    back(): void;
    /**
     * The **`forward()`** method of the History interface causes the browser to move forward one page in the session history. It has the same effect as calling history.go(1).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/forward)
     */
    forward(): void;
    /**
     * The **`go()`** method of the History interface loads a specific page from the session history. You can use it to move forwards and backwards through the history depending on the value of a parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/go)
     */
    go(delta?: number): void;
    /**
     * The **`pushState()`** method of the History interface adds an entry to the browser's session history stack.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/pushState)
     */
    pushState(data: any, unused: string, url?: string | URL | null): void;
    /**
     * The **`replaceState()`** method of the History interface modifies the current history entry, replacing it with the state object and URL passed in the method parameters. This method is particularly useful when you want to update the state object or URL of the current history entry in response to some user action.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/History/replaceState)
     */
    replaceState(data: any, unused: string, url?: string | URL | null): void;
}

declare var History: {
    prototype: History;
    new(): History;
};

/**
 * The **`IDBCursor`** interface of the IndexedDB API represents a cursor for traversing or iterating over multiple records in a database.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor)
 */
interface IDBCursor {
    /**
     * The **`direction`** read-only property of the IDBCursor interface is a string that returns the direction of traversal of the cursor (set using IDBObjectStore.openCursor for example). See the Value section below for possible values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/direction)
     */
    readonly direction: IDBCursorDirection;
    /**
     * The **`key`** read-only property of the IDBCursor interface returns the key for the record at the cursor's position. If the cursor is outside its range, this is set to undefined. The cursor's key can be any data type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/key)
     */
    readonly key: IDBValidKey;
    /**
     * The **`primaryKey`** read-only property of the IDBCursor interface returns the cursor's current effective key. If the cursor is currently being iterated or has iterated outside its range, this is set to undefined. The cursor's primary key can be any data type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/primaryKey)
     */
    readonly primaryKey: IDBValidKey;
    /**
     * The **`request`** read-only property of the IDBCursor interface returns the IDBRequest used to obtain the cursor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/request)
     */
    readonly request: IDBRequest;
    /**
     * The **`source`** read-only property of the IDBCursor interface returns the IDBObjectStore or IDBIndex that the cursor is iterating over. This function never returns null or throws an exception, even if the cursor is currently being iterated, has iterated past its end, or its transaction is not active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/source)
     */
    readonly source: IDBObjectStore | IDBIndex;
    /**
     * The **`advance()`** method of the IDBCursor interface sets the number of times a cursor should move its position forward.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/advance)
     */
    advance(count: number): void;
    /**
     * The **`continue()`** method of the IDBCursor interface advances the cursor to the next position along its direction, to the item whose key matches the optional key parameter. If no key is specified, the cursor advances to the immediate next position, based on its direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/continue)
     */
    continue(key?: IDBValidKey): void;
    /**
     * The **`continuePrimaryKey()`** method of the IDBCursor interface advances the cursor to the item whose key matches the key parameter as well as whose primary key matches the primary key parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/continuePrimaryKey)
     */
    continuePrimaryKey(key: IDBValidKey, primaryKey: IDBValidKey): void;
    /**
     * The **`delete()`** method of the IDBCursor interface returns an IDBRequest object, and, in a separate thread, deletes the record at the cursor's position, without changing the cursor's position. Once the record is deleted, the cursor's value is set to null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/delete)
     */
    delete(): IDBRequest<undefined>;
    /**
     * The **`update()`** method of the IDBCursor interface returns an IDBRequest object, and, in a separate thread, updates the value at the current position of the cursor in the object store. If the cursor points to a record that has just been deleted, a new record is created.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursor/update)
     */
    update(value: any): IDBRequest<IDBValidKey>;
}

declare var IDBCursor: {
    prototype: IDBCursor;
    new(): IDBCursor;
};

/**
 * The **`IDBCursorWithValue`** interface of the IndexedDB API represents a cursor for traversing or iterating over multiple records in a database. It is the same as the IDBCursor, except that it includes the value property.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursorWithValue)
 */
interface IDBCursorWithValue extends IDBCursor {
    /**
     * The **`value`** read-only property of the IDBCursorWithValue interface returns the value of the current cursor, whatever that is.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBCursorWithValue/value)
     */
    readonly value: any;
}

declare var IDBCursorWithValue: {
    prototype: IDBCursorWithValue;
    new(): IDBCursorWithValue;
};

interface IDBDatabaseEventMap {
    "abort": Event;
    "close": Event;
    "error": Event;
    "versionchange": IDBVersionChangeEvent;
}

/**
 * The **`IDBDatabase`** interface of the IndexedDB API provides a connection to a database; you can use an IDBDatabase object to open a transaction on your database then create, manipulate, and delete objects (data) in that database. The interface provides the only way to get and manage versions of the database.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase)
 */
interface IDBDatabase extends EventTarget {
    /**
     * The **`name`** read-only property of the IDBDatabase interface is a string that contains the name of the connected database.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/name)
     */
    readonly name: string;
    /**
     * The **`objectStoreNames`** read-only property of the IDBDatabase interface is a DOMStringList containing a list of the names of the object stores currently in the connected database.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/objectStoreNames)
     */
    readonly objectStoreNames: DOMStringList;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/abort_event) */
    onabort: ((this: IDBDatabase, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/close_event) */
    onclose: ((this: IDBDatabase, ev: Event) => any) | null;
    onerror: ((this: IDBDatabase, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/versionchange_event) */
    onversionchange: ((this: IDBDatabase, ev: IDBVersionChangeEvent) => any) | null;
    /**
     * The **`version`** property of the IDBDatabase interface is a 64-bit integer that contains the version of the connected database. When a database is first created, this attribute is an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/version)
     */
    readonly version: number;
    /**
     * The **`close()`** method of the IDBDatabase interface returns immediately and closes the connection in a separate thread.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/close)
     */
    close(): void;
    /**
     * The **`createObjectStore()`** method of the IDBDatabase interface creates and returns a new IDBObjectStore.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/createObjectStore)
     */
    createObjectStore(name: string, options?: IDBObjectStoreParameters): IDBObjectStore;
    /**
     * The **`deleteObjectStore()`** method of the IDBDatabase interface destroys the object store with the given name in the connected database, along with any indexes that reference it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/deleteObjectStore)
     */
    deleteObjectStore(name: string): void;
    /**
     * The **`transaction`** method of the IDBDatabase interface immediately returns a transaction object (IDBTransaction) containing the IDBTransaction.objectStore method, which you can use to access your object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBDatabase/transaction)
     */
    transaction(storeNames: string | string[], mode?: IDBTransactionMode, options?: IDBTransactionOptions): IDBTransaction;
    addEventListener<K extends keyof IDBDatabaseEventMap>(type: K, listener: (this: IDBDatabase, ev: IDBDatabaseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof IDBDatabaseEventMap>(type: K, listener: (this: IDBDatabase, ev: IDBDatabaseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var IDBDatabase: {
    prototype: IDBDatabase;
    new(): IDBDatabase;
};

/**
 * The **`IDBFactory`** interface of the IndexedDB API lets applications asynchronously access the indexed databases. The object that implements the interface is window.indexedDB. You open — that is, create and access — and delete a database with this object, and not directly with IDBFactory.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBFactory)
 */
interface IDBFactory {
    /**
     * The **`cmp()`** method of the IDBFactory interface compares two values as keys to determine equality and ordering for IndexedDB operations, such as storing and iterating.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBFactory/cmp)
     */
    cmp(first: any, second: any): number;
    /**
     * The **`databases`** method of the IDBFactory interface returns a Promise that fulfills with an array of objects containing the name and version of all the available databases.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBFactory/databases)
     */
    databases(): Promise<IDBDatabaseInfo[]>;
    /**
     * The **`deleteDatabase()`** method of the IDBFactory interface requests the deletion of a database. The method returns an IDBOpenDBRequest object immediately, and performs the deletion operation asynchronously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBFactory/deleteDatabase)
     */
    deleteDatabase(name: string): IDBOpenDBRequest;
    /**
     * The **`open()`** method of the IDBFactory interface requests opening a connection to a database.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBFactory/open)
     */
    open(name: string, version?: number): IDBOpenDBRequest;
}

declare var IDBFactory: {
    prototype: IDBFactory;
    new(): IDBFactory;
};

/**
 * **`IDBIndex`** interface of the IndexedDB API provides asynchronous access to an index in a database. An index is a kind of object store for looking up records in another object store, called the referenced object store. You use this interface to retrieve data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex)
 */
interface IDBIndex {
    /**
     * The **`keyPath`** property of the IDBIndex interface returns the key path of the current index. If null, this index is not auto-populated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/keyPath)
     */
    readonly keyPath: string | string[];
    /**
     * The **`multiEntry`** read-only property of the IDBIndex interface returns a boolean value that affects how the index behaves when the result of evaluating the index's key path yields an array.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/multiEntry)
     */
    readonly multiEntry: boolean;
    /**
     * The **`name`** property of the IDBIndex interface contains a string which names the index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/name)
     */
    name: string;
    /**
     * The **`objectStore`** property of the IDBIndex interface returns the object store referenced by the current index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/objectStore)
     */
    readonly objectStore: IDBObjectStore;
    /**
     * The **`unique`** read-only property returns a boolean that states whether the index allows duplicate keys.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/unique)
     */
    readonly unique: boolean;
    /**
     * The **`count()`** method of the IDBIndex interface returns an IDBRequest object, and in a separate thread, returns the number of records within a key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/count)
     */
    count(query?: IDBValidKey | IDBKeyRange): IDBRequest<number>;
    /**
     * The **`get()`** method of the IDBIndex interface returns an IDBRequest object, and, in a separate thread, finds either the value in the referenced object store that corresponds to the given key or the first corresponding value, if key is set to an IDBKeyRange.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/get)
     */
    get(query: IDBValidKey | IDBKeyRange): IDBRequest<any>;
    /**
     * The **`getAll()`** method of the IDBIndex interface retrieves all objects that are inside the index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/getAll)
     */
    getAll(queryOrOptions?: IDBValidKey | IDBKeyRange | null, count?: number): IDBRequest<any[]>;
    /**
     * The **`getAllKeys()`** method of the IDBIndex interface asynchronously retrieves the primary keys of all objects inside the index, setting them as the result of the request object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/getAllKeys)
     */
    getAllKeys(queryOrOptions?: IDBValidKey | IDBKeyRange | null, count?: number): IDBRequest<IDBValidKey[]>;
    /**
     * The **`getKey()`** method of the IDBIndex interface returns an IDBRequest object, and, in a separate thread, finds either the primary key that corresponds to the given key in this index or the first corresponding primary key, if key is set to an IDBKeyRange.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/getKey)
     */
    getKey(query: IDBValidKey | IDBKeyRange): IDBRequest<IDBValidKey | undefined>;
    /**
     * The **`openCursor()`** method of the IDBIndex interface returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/openCursor)
     */
    openCursor(query?: IDBValidKey | IDBKeyRange | null, direction?: IDBCursorDirection): IDBRequest<IDBCursorWithValue | null>;
    /**
     * The **`openKeyCursor()`** method of the IDBIndex interface returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBIndex/openKeyCursor)
     */
    openKeyCursor(query?: IDBValidKey | IDBKeyRange | null, direction?: IDBCursorDirection): IDBRequest<IDBCursor | null>;
}

declare var IDBIndex: {
    prototype: IDBIndex;
    new(): IDBIndex;
};

/**
 * The **`IDBKeyRange`** interface of the IndexedDB API represents a continuous interval over some data type that is used for keys. Records can be retrieved from IDBObjectStore and IDBIndex objects using keys or a range of keys. You can limit the range using lower and upper bounds. For example, you can iterate over all values of a key in the value range A–Z.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange)
 */
interface IDBKeyRange {
    /**
     * The **`lower`** read-only property of the IDBKeyRange interface returns the lower bound of the key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/lower)
     */
    readonly lower: any;
    /**
     * The **`lowerOpen`** read-only property of the IDBKeyRange interface returns a boolean indicating whether the lower-bound value is included in the key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/lowerOpen)
     */
    readonly lowerOpen: boolean;
    /**
     * The **`upper`** read-only property of the IDBKeyRange interface returns the upper bound of the key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/upper)
     */
    readonly upper: any;
    /**
     * The **`upperOpen`** read-only property of the IDBKeyRange interface returns a boolean indicating whether the upper-bound value is included in the key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/upperOpen)
     */
    readonly upperOpen: boolean;
    /**
     * The **`includes()`** method of the IDBKeyRange interface returns a boolean indicating whether a specified key is inside the key range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/includes)
     */
    includes(key: any): boolean;
}

declare var IDBKeyRange: {
    prototype: IDBKeyRange;
    new(): IDBKeyRange;
    /**
     * The **`bound()`** static method of the IDBKeyRange interface creates a new key range with the specified upper and lower bounds. The bounds can be open (that is, the bounds exclude the endpoint values) or closed (that is, the bounds include the endpoint values). By default, the bounds are closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/bound_static)
     */
    bound(lower: any, upper: any, lowerOpen?: boolean, upperOpen?: boolean): IDBKeyRange;
    /**
     * The **`lowerBound()`** static method of the IDBKeyRange interface creates a new key range with only a lower bound. By default, it includes the lower endpoint value and is closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/lowerBound_static)
     */
    lowerBound(lower: any, open?: boolean): IDBKeyRange;
    /**
     * The **`only()`** static method of the IDBKeyRange interface creates a new key range containing a single value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/only_static)
     */
    only(value: any): IDBKeyRange;
    /**
     * The **`upperBound()`** static method of the IDBKeyRange interface creates a new upper-bound key range. By default, it includes the upper endpoint value and is closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBKeyRange/upperBound_static)
     */
    upperBound(upper: any, open?: boolean): IDBKeyRange;
};

/**
 * The **`IDBObjectStore`** interface of the IndexedDB API represents an object store in a database. Records within an object store are sorted according to their keys. This sorting enables fast insertion, look-up, and ordered retrieval.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore)
 */
interface IDBObjectStore {
    /**
     * The **`autoIncrement`** read-only property of the IDBObjectStore interface returns the value of the auto increment flag for this object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/autoIncrement)
     */
    readonly autoIncrement: boolean;
    /**
     * The **`indexNames`** read-only property of the IDBObjectStore interface returns a list of the names of indexes on objects in this object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/indexNames)
     */
    readonly indexNames: DOMStringList;
    /**
     * The **`keyPath`** read-only property of the IDBObjectStore interface returns the key path of this object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/keyPath)
     */
    readonly keyPath: string | string[] | null;
    /**
     * The **`name`** property of the IDBObjectStore interface indicates the name of this object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/name)
     */
    name: string;
    /**
     * The **`transaction`** read-only property of the IDBObjectStore interface returns the transaction object to which this object store belongs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/transaction)
     */
    readonly transaction: IDBTransaction;
    /**
     * The **`add()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, creates a structured clone of the value, and stores the cloned value in the object store. This is for adding new records to an object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/add)
     */
    add(value: any, key?: IDBValidKey): IDBRequest<IDBValidKey>;
    /**
     * The **`clear()`** method of the IDBObjectStore interface creates and immediately returns an IDBRequest object, and clears this object store in a separate thread. This is for deleting all the current data out of an object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/clear)
     */
    clear(): IDBRequest<undefined>;
    /**
     * The **`count()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, returns the total number of records that match the provided key or IDBKeyRange. If no arguments are provided, it returns the total number of records in the store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/count)
     */
    count(query?: IDBValidKey | IDBKeyRange): IDBRequest<number>;
    /**
     * The **`createIndex()`** method of the IDBObjectStore interface creates and returns a new IDBIndex object in the connected database. It creates a new field/column defining a new data point for each database record to contain.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/createIndex)
     */
    createIndex(name: string, keyPath: string | string[], options?: IDBIndexParameters): IDBIndex;
    /**
     * The **`delete()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, deletes the specified record or records.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/delete)
     */
    delete(query: IDBValidKey | IDBKeyRange): IDBRequest<undefined>;
    /**
     * The **`deleteIndex()`** method of the IDBObjectStore interface destroys the index with the specified name in the connected database, used during a version upgrade.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/deleteIndex)
     */
    deleteIndex(name: string): void;
    /**
     * The **`get()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, returns the object selected by the specified key. This is for retrieving specific records from an object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/get)
     */
    get(query: IDBValidKey | IDBKeyRange): IDBRequest<any>;
    /**
     * The **`getAll()`** method of the IDBObjectStore interface returns an IDBRequest object containing all objects in the object store matching the specified parameter or all objects in the store if no parameters are given.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/getAll)
     */
    getAll(queryOrOptions?: IDBValidKey | IDBKeyRange | null, count?: number): IDBRequest<any[]>;
    /**
     * The **`getAllKeys()`** method of the IDBObjectStore interface returns an IDBRequest object retrieves record keys for all objects in the object store matching the specified parameter or all objects in the store if no parameters are given.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/getAllKeys)
     */
    getAllKeys(queryOrOptions?: IDBValidKey | IDBKeyRange | null, count?: number): IDBRequest<IDBValidKey[]>;
    /**
     * The **`getKey()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, returns the key selected by the specified query. This is for retrieving specific records from an object store.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/getKey)
     */
    getKey(query: IDBValidKey | IDBKeyRange): IDBRequest<IDBValidKey | undefined>;
    /**
     * The **`index()`** method of the IDBObjectStore interface opens a named index in the current object store, after which it can be used to, for example, return a series of records sorted by that index using a cursor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/index)
     */
    index(name: string): IDBIndex;
    /**
     * The **`openCursor()`** method of the IDBObjectStore interface returns an IDBRequest object, and, in a separate thread, returns a new IDBCursorWithValue object. Used for iterating through an object store with a cursor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/openCursor)
     */
    openCursor(query?: IDBValidKey | IDBKeyRange | null, direction?: IDBCursorDirection): IDBRequest<IDBCursorWithValue | null>;
    /**
     * The **`openKeyCursor()`** method of the IDBObjectStore interface returns an IDBRequest object whose result will be set to an IDBCursor that can be used to iterate through matching results. Used for iterating through the keys of an object store with a cursor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/openKeyCursor)
     */
    openKeyCursor(query?: IDBValidKey | IDBKeyRange | null, direction?: IDBCursorDirection): IDBRequest<IDBCursor | null>;
    /**
     * The **`put()`** method of the IDBObjectStore interface updates a given record in a database, or inserts a new record if the given item does not already exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/put)
     */
    put(value: any, key?: IDBValidKey): IDBRequest<IDBValidKey>;
}

declare var IDBObjectStore: {
    prototype: IDBObjectStore;
    new(): IDBObjectStore;
};

interface IDBOpenDBRequestEventMap extends IDBRequestEventMap {
    "blocked": IDBVersionChangeEvent;
    "upgradeneeded": IDBVersionChangeEvent;
}

/**
 * The **`IDBOpenDBRequest`** interface of the IndexedDB API provides access to the results of requests to open or delete databases (performed using IDBFactory.open and IDBFactory.deleteDatabase), using specific event handler attributes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBOpenDBRequest)
 */
interface IDBOpenDBRequest extends IDBRequest<IDBDatabase> {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBOpenDBRequest/blocked_event) */
    onblocked: ((this: IDBOpenDBRequest, ev: IDBVersionChangeEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBOpenDBRequest/upgradeneeded_event) */
    onupgradeneeded: ((this: IDBOpenDBRequest, ev: IDBVersionChangeEvent) => any) | null;
    addEventListener<K extends keyof IDBOpenDBRequestEventMap>(type: K, listener: (this: IDBOpenDBRequest, ev: IDBOpenDBRequestEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof IDBOpenDBRequestEventMap>(type: K, listener: (this: IDBOpenDBRequest, ev: IDBOpenDBRequestEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var IDBOpenDBRequest: {
    prototype: IDBOpenDBRequest;
    new(): IDBOpenDBRequest;
};

interface IDBRequestEventMap {
    "error": Event;
    "success": Event;
}

/**
 * The **`IDBRequest`** interface of the IndexedDB API provides access to results of asynchronous requests to databases and database objects using event handler attributes. Each reading and writing operation on a database is done using a request.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest)
 */
interface IDBRequest<T = any> extends EventTarget {
    /**
     * The **`error`** read-only property of the IDBRequest interface returns the error in the event of an unsuccessful request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/error)
     */
    readonly error: DOMException | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/error_event) */
    onerror: ((this: IDBRequest<T>, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/success_event) */
    onsuccess: ((this: IDBRequest<T>, ev: Event) => any) | null;
    /**
     * The **`readyState`** read-only property of the IDBRequest interface returns the state of the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/readyState)
     */
    readonly readyState: IDBRequestReadyState;
    /**
     * The **`result`** read-only property of the IDBRequest interface returns the result of the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/result)
     */
    readonly result: T;
    /**
     * The **`source`** read-only property of the IDBRequest interface returns the source of the request, such as an Index or an object store. If no source exists (such as when calling IDBFactory.open), it returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/source)
     */
    readonly source: IDBObjectStore | IDBIndex | IDBCursor;
    /**
     * The **`transaction`** read-only property of the IDBRequest interface returns the transaction for the request, that is, the transaction the request is being made inside.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBRequest/transaction)
     */
    readonly transaction: IDBTransaction | null;
    addEventListener<K extends keyof IDBRequestEventMap>(type: K, listener: (this: IDBRequest<T>, ev: IDBRequestEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof IDBRequestEventMap>(type: K, listener: (this: IDBRequest<T>, ev: IDBRequestEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var IDBRequest: {
    prototype: IDBRequest;
    new(): IDBRequest;
};

interface IDBTransactionEventMap {
    "abort": Event;
    "complete": Event;
    "error": Event;
}

/**
 * The **`IDBTransaction`** interface of the IndexedDB API provides a static, asynchronous transaction on a database using event handler attributes. All reading and writing of data is done within transactions. You use IDBDatabase to start transactions, IDBTransaction to set the mode of the transaction (e.g., is it readonly or readwrite), and you access an IDBObjectStore to make a request. You can also use an IDBTransaction object to abort transactions.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction)
 */
interface IDBTransaction extends EventTarget {
    /**
     * The **`db`** read-only property of the IDBTransaction interface returns the database connection with which this transaction is associated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/db)
     */
    readonly db: IDBDatabase;
    /**
     * The **`durability`** read-only property of the IDBTransaction interface returns the durability hint the transaction was created with. This is a hint to the user agent of whether to prioritize performance or durability when committing the transaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/durability)
     */
    readonly durability: IDBTransactionDurability;
    /**
     * The **`IDBTransaction.error`** property of the IDBTransaction interface returns the type of error when there is an unsuccessful transaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/error)
     */
    readonly error: DOMException | null;
    /**
     * The **`mode`** read-only property of the IDBTransaction interface returns the current mode for accessing the data in the object stores in the scope of the transaction (i.e., is the mode to be read-only, or do you want to write to the object stores?) The default value is readonly.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/mode)
     */
    readonly mode: IDBTransactionMode;
    /**
     * The **`objectStoreNames`** read-only property of the IDBTransaction interface returns a DOMStringList of names of IDBObjectStore objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/objectStoreNames)
     */
    readonly objectStoreNames: DOMStringList;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/abort_event) */
    onabort: ((this: IDBTransaction, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/complete_event) */
    oncomplete: ((this: IDBTransaction, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/error_event) */
    onerror: ((this: IDBTransaction, ev: Event) => any) | null;
    /**
     * The **`abort()`** method of the IDBTransaction interface rolls back all the changes to objects in the database associated with this transaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/abort)
     */
    abort(): void;
    /**
     * The **`commit()`** method of the IDBTransaction interface commits the transaction if it is called on an active transaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/commit)
     */
    commit(): void;
    /**
     * The **`objectStore()`** method of the IDBTransaction interface returns an object store that has already been added to the scope of this transaction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBTransaction/objectStore)
     */
    objectStore(name: string): IDBObjectStore;
    addEventListener<K extends keyof IDBTransactionEventMap>(type: K, listener: (this: IDBTransaction, ev: IDBTransactionEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof IDBTransactionEventMap>(type: K, listener: (this: IDBTransaction, ev: IDBTransactionEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var IDBTransaction: {
    prototype: IDBTransaction;
    new(): IDBTransaction;
};

/**
 * The **`IDBVersionChangeEvent`** interface of the IndexedDB API indicates that the version of the database has changed, as the result of an onupgradeneeded event handler function.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent)
 */
interface IDBVersionChangeEvent extends Event {
    /**
     * The **`newVersion`** read-only property of the IDBVersionChangeEvent interface returns the new version number of the database.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent/newVersion)
     */
    readonly newVersion: number | null;
    /**
     * The **`oldVersion`** read-only property of the IDBVersionChangeEvent interface returns the old version number of the database.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent/oldVersion)
     */
    readonly oldVersion: number;
}

declare var IDBVersionChangeEvent: {
    prototype: IDBVersionChangeEvent;
    new(type: string, eventInitDict?: IDBVersionChangeEventInit): IDBVersionChangeEvent;
};

/**
 * The **`IIRFilterNode`** interface of the Web Audio API is an AudioNode processor which implements a general infinite impulse response (IIR) filter; this type of filter can be used to implement tone control devices and graphic equalizers as well. It lets the parameters of the filter response be specified, so that it can be tuned as needed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IIRFilterNode)
 */
interface IIRFilterNode extends AudioNode {
    /**
     * The **`getFrequencyResponse()`** method of the IIRFilterNode interface takes the current filtering algorithm's settings and calculates the frequency response for frequencies specified in a specified array of frequencies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IIRFilterNode/getFrequencyResponse)
     */
    getFrequencyResponse(frequencyHz: Float32Array<ArrayBuffer>, magResponse: Float32Array<ArrayBuffer>, phaseResponse: Float32Array<ArrayBuffer>): void;
}

declare var IIRFilterNode: {
    prototype: IIRFilterNode;
    new(context: BaseAudioContext, options: IIRFilterOptions): IIRFilterNode;
};

/**
 * The **`IdleDeadline`** interface is used as the data type of the input parameter to idle callbacks established by calling Window.requestIdleCallback(). It offers a method, timeRemaining(), which lets you determine how much longer the user agent estimates it will remain idle and a property, didTimeout, which lets you determine if your callback is executing because its timeout duration expired.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IdleDeadline)
 */
interface IdleDeadline {
    /**
     * The read-only **`didTimeout`** property on the IdleDeadline interface is a Boolean value which indicates whether or not the idle callback is being invoked because the timeout interval specified when Window.requestIdleCallback() was called has expired.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IdleDeadline/didTimeout)
     */
    readonly didTimeout: boolean;
    /**
     * The **`timeRemaining()`** method on the IdleDeadline interface returns the estimated number of milliseconds remaining in the current idle period. The callback can call this method at any time to determine how much time it can continue to work before it must return. For example, if the callback finishes a task and has another one to begin, it can call timeRemaining() to see if there's enough time to complete the next task. If there isn't, the callback can just return immediately, or look for other work to do with the remaining time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IdleDeadline/timeRemaining)
     */
    timeRemaining(): DOMHighResTimeStamp;
}

declare var IdleDeadline: {
    prototype: IdleDeadline;
    new(): IdleDeadline;
};

/**
 * The **`ImageBitmap`** interface represents a bitmap image which can be drawn to a <canvas> without undue latency. It can be created from a variety of source objects using the Window.createImageBitmap() or WorkerGlobalScope.createImageBitmap() factory method. ImageBitmap provides an asynchronous and resource efficient pathway to prepare textures for rendering in WebGL.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmap)
 */
interface ImageBitmap {
    /**
     * The **`ImageBitmap.height`** read-only property returns the ImageBitmap object's height in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmap/height)
     */
    readonly height: number;
    /**
     * The **`ImageBitmap.width`** read-only property returns the ImageBitmap object's width in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmap/width)
     */
    readonly width: number;
    /**
     * The **`ImageBitmap.close()`** method disposes of all graphical resources associated with an ImageBitmap.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmap/close)
     */
    close(): void;
}

declare var ImageBitmap: {
    prototype: ImageBitmap;
    new(): ImageBitmap;
};

/**
 * The **`ImageBitmapRenderingContext`** interface is a canvas rendering context that provides the functionality to replace the canvas's contents with the given ImageBitmap. Its context id (the first argument to HTMLCanvasElement.getContext() or OffscreenCanvas.getContext()) is "bitmaprenderer".
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmapRenderingContext)
 */
interface ImageBitmapRenderingContext {
    /**
     * The **`ImageBitmapRenderingContext.canvas`** property, part of the Canvas API, is a read-only reference to the HTMLCanvasElement or OffscreenCanvas object that is associated with the given context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmapRenderingContext/canvas)
     */
    readonly canvas: HTMLCanvasElement | OffscreenCanvas;
    /**
     * The **`ImageBitmapRenderingContext.transferFromImageBitmap()`** method displays the given ImageBitmap in the canvas associated with this rendering context. The ownership of the ImageBitmap is transferred to the canvas as well.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageBitmapRenderingContext/transferFromImageBitmap)
     */
    transferFromImageBitmap(bitmap: ImageBitmap | null): void;
}

declare var ImageBitmapRenderingContext: {
    prototype: ImageBitmapRenderingContext;
    new(): ImageBitmapRenderingContext;
};

/**
 * The **`ImageCapture`** interface of the MediaStream Image Capture API provides methods to enable the capture of images or photos from a camera or other photographic device. It provides an interface for capturing images from a photographic device referenced through a valid MediaStreamTrack.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture)
 */
interface ImageCapture {
    /**
     * The **`track`** read-only property of the ImageCapture interface returns a reference to the MediaStreamTrack passed to the ImageCapture() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture/track)
     */
    readonly track: MediaStreamTrack;
    /**
     * The **`getPhotoCapabilities()`** method of the ImageCapture interface returns a Promise that resolves with an object containing the ranges of available configuration options.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture/getPhotoCapabilities)
     */
    getPhotoCapabilities(): Promise<PhotoCapabilities>;
    /**
     * The **`getPhotoSettings()`** method of the ImageCapture interface returns a Promise that resolves with an object containing the current photo configuration settings.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture/getPhotoSettings)
     */
    getPhotoSettings(): Promise<PhotoSettings>;
    /**
     * The **`grabFrame()`** method of the ImageCapture interface takes a snapshot of the live video in a MediaStreamTrack and returns a Promise that resolves with an ImageBitmap containing the snapshot.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture/grabFrame)
     */
    grabFrame(): Promise<ImageBitmap>;
    /**
     * The **`takePhoto()`** method of the ImageCapture interface takes a single exposure using the video capture device sourcing a MediaStreamTrack and returns a Promise that resolves with a Blob containing the data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageCapture/takePhoto)
     */
    takePhoto(photoSettings?: PhotoSettings): Promise<Blob>;
}

declare var ImageCapture: {
    prototype: ImageCapture;
    new(videoTrack: MediaStreamTrack): ImageCapture;
};

/**
 * The **`ImageData`** interface represents the underlying pixel data of an area of a <canvas> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageData)
 */
interface ImageData {
    /**
     * The read-only **`ImageData.colorSpace`** property is a string indicating the color space of the image data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageData/colorSpace)
     */
    readonly colorSpace: PredefinedColorSpace;
    /**
     * The readonly **`ImageData.data`** property returns a Uint8ClampedArray or Float16Array that contains the ImageData object's pixel data. Data is stored as a one-dimensional array in the RGBA order.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageData/data)
     */
    readonly data: ImageDataArray;
    /**
     * The readonly **`ImageData.height`** property returns the number of rows in the ImageData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageData/height)
     */
    readonly height: number;
    /**
     * The readonly **`ImageData.width`** property returns the number of pixels per row in the ImageData object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageData/width)
     */
    readonly width: number;
}

declare var ImageData: {
    prototype: ImageData;
    new(sw: number, sh: number, settings?: ImageDataSettings): ImageData;
    new(data: ImageDataArray, sw: number, sh?: number, settings?: ImageDataSettings): ImageData;
};

/**
 * The **`ImageDecoder`** interface of the WebCodecs API provides a way to unpack and decode encoded image data.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder)
 */
interface ImageDecoder {
    /**
     * The **`complete`** read-only property of the ImageDecoder interface returns true if encoded data has completed buffering.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/complete)
     */
    readonly complete: boolean;
    /**
     * The **`completed`** read-only property of the ImageDecoder interface returns a promise that resolves once encoded data has finished buffering.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/completed)
     */
    readonly completed: Promise<void>;
    /**
     * The **`tracks`** read-only property of the ImageDecoder interface returns a list of the tracks in the encoded image data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/tracks)
     */
    readonly tracks: ImageTrackList;
    /**
     * The **`type`** read-only property of the ImageDecoder interface reflects the MIME type configured during construction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/type)
     */
    readonly type: string;
    /**
     * The **`close()`** method of the ImageDecoder interface ends all pending work and releases system resources.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/close)
     */
    close(): void;
    /**
     * The **`decode()`** method of the ImageDecoder interface enqueues a control message to decode the frame of an image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/decode)
     */
    decode(options?: ImageDecodeOptions): Promise<ImageDecodeResult>;
    /**
     * The **`reset()`** method of the ImageDecoder interface aborts all pending decode() operations; rejecting all pending promises. All other state will be unchanged. Class methods can continue to be invoked after reset(). E.g., calling decode() after reset() is permitted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/reset)
     */
    reset(): void;
}

declare var ImageDecoder: {
    prototype: ImageDecoder;
    new(init: ImageDecoderInit): ImageDecoder;
    /**
     * The **`ImageDecoder.isTypeSupported()`** static method checks if a given MIME type can be decoded by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageDecoder/isTypeSupported_static)
     */
    isTypeSupported(type: string): Promise<boolean>;
};

/**
 * The **`ImageTrack`** interface of the WebCodecs API represents an individual image track.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrack)
 */
interface ImageTrack {
    /**
     * The **`animated`** property of the ImageTrack interface returns true if the track is animated and therefore has multiple frames.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrack/animated)
     */
    readonly animated: boolean;
    /**
     * The **`frameCount`** property of the ImageTrack interface returns the number of frames in the track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrack/frameCount)
     */
    readonly frameCount: number;
    /**
     * The **`repetitionCount`** property of the ImageTrack interface returns the number of repetitions of this track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrack/repetitionCount)
     */
    readonly repetitionCount: number;
    /**
     * The **`selected`** property of the ImageTrack interface returns true if the track is selected for decoding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrack/selected)
     */
    selected: boolean;
}

declare var ImageTrack: {
    prototype: ImageTrack;
    new(): ImageTrack;
};

/**
 * The **`ImageTrackList`** interface of the WebCodecs API represents a list of image tracks.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrackList)
 */
interface ImageTrackList {
    /**
     * The **`length`** property of the ImageTrackList interface returns the length of the ImageTrackList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrackList/length)
     */
    readonly length: number;
    /**
     * The **`ready`** property of the ImageTrackList interface returns a Promise that resolves when the ImageTrackList is populated with tracks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrackList/ready)
     */
    readonly ready: Promise<void>;
    /**
     * The **`selectedIndex`** property of the ImageTrackList interface returns the index of the selected track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrackList/selectedIndex)
     */
    readonly selectedIndex: number;
    /**
     * The **`selectedTrack`** property of the ImageTrackList interface returns an ImageTrack object representing the currently selected track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ImageTrackList/selectedTrack)
     */
    readonly selectedTrack: ImageTrack | null;
    [index: number]: ImageTrack;
}

declare var ImageTrackList: {
    prototype: ImageTrackList;
    new(): ImageTrackList;
};

interface ImportMeta {
    url: string;
    resolve(specifier: string): string;
}

/**
 * The **`InputDeviceInfo`** interface of the Media Capture and Streams API gives access to the capabilities of the input device that it represents.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputDeviceInfo)
 */
interface InputDeviceInfo extends MediaDeviceInfo {
    /**
     * The **`getCapabilities()`** method of the InputDeviceInfo interface returns a MediaTrackCapabilities object describing the primary audio or video track of the device's MediaStream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputDeviceInfo/getCapabilities)
     */
    getCapabilities(): MediaTrackCapabilities;
}

declare var InputDeviceInfo: {
    prototype: InputDeviceInfo;
    new(): InputDeviceInfo;
};

/**
 * The **`InputEvent`** interface represents an event notifying the user of editable content changes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent)
 */
interface InputEvent extends UIEvent {
    /**
     * The **`data`** read-only property of the InputEvent interface returns a string with inserted characters. This may be an empty string if the change doesn't insert text, such as when characters are deleted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent/data)
     */
    readonly data: string | null;
    /**
     * The **`dataTransfer`** read-only property of the InputEvent interface returns a DataTransfer object containing information about richtext or plaintext data being added to or removed from editable content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent/dataTransfer)
     */
    readonly dataTransfer: DataTransfer | null;
    /**
     * The **`inputType`** read-only property of the InputEvent interface returns the type of change made to editable content. Possible changes include for example inserting, deleting, and formatting text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent/inputType)
     */
    readonly inputType: string;
    /**
     * The **`InputEvent.isComposing`** read-only property returns a boolean value indicating if the event is fired after compositionstart and before compositionend.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent/isComposing)
     */
    readonly isComposing: boolean;
    /**
     * The **`getTargetRanges()`** method of the InputEvent interface returns an array of StaticRange objects that will be affected by a change to the DOM if the input event is not canceled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/InputEvent/getTargetRanges)
     */
    getTargetRanges(): StaticRange[];
}

declare var InputEvent: {
    prototype: InputEvent;
    new(type: string, eventInitDict?: InputEventInit): InputEvent;
};

/**
 * The **`IntersectionObserver`** interface of the Intersection Observer API provides a way to asynchronously observe changes in the intersection of a target element with an ancestor element or with a top-level document's viewport. The ancestor element or viewport is referred to as the root.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver)
 */
interface IntersectionObserver {
    /**
     * The **`root`** read-only property of the IntersectionObserver interface identifies the Element or Document whose bounds are treated as the bounding box of the viewport for the element which is the observer's target.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/root)
     */
    readonly root: Element | Document | null;
    /**
     * The **`rootMargin`** read-only property of the IntersectionObserver interface is a string with syntax similar to that of the CSS margin property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/rootMargin)
     */
    readonly rootMargin: string;
    /**
     * The **`scrollMargin`** read-only property of the IntersectionObserver interface adds a margin to all nested scroll containers within the root element, including the root element if it is a scroll container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/scrollMargin)
     */
    readonly scrollMargin: string;
    /**
     * The **`thresholds`** read-only property of the IntersectionObserver interface returns the list of intersection thresholds that was specified when the observer was instantiated with IntersectionObserver().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/thresholds)
     */
    readonly thresholds: ReadonlyArray<number>;
    /**
     * The **`disconnect()`** method of the IntersectionObserver interface stops the observer watching all of its target elements for visibility changes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/disconnect)
     */
    disconnect(): void;
    /**
     * The **`observe()`** method of the IntersectionObserver interface adds an element to the set of target elements being watched by the IntersectionObserver. One observer has one set of thresholds and one root, but can watch multiple target elements for visibility changes in keeping with those.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/observe)
     */
    observe(target: Element): void;
    /**
     * The **`takeRecords()`** method of the IntersectionObserver interface returns an array of IntersectionObserverEntry objects, one for each targeted element which has experienced an intersection change since the last time the intersections were checked, either explicitly through a call to this method or implicitly by an automatic call to the observer's callback.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/takeRecords)
     */
    takeRecords(): IntersectionObserverEntry[];
    /**
     * The **`unobserve()`** method of the IntersectionObserver interface instructs the IntersectionObserver to stop observing the specified target element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserver/unobserve)
     */
    unobserve(target: Element): void;
}

declare var IntersectionObserver: {
    prototype: IntersectionObserver;
    new(callback: IntersectionObserverCallback, options?: IntersectionObserverInit): IntersectionObserver;
};

/**
 * The **`IntersectionObserverEntry`** interface of the Intersection Observer API describes the intersection between the target element and its root container at a specific moment of transition.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry)
 */
interface IntersectionObserverEntry {
    /**
     * The **`boundingClientRect`** read-only property of the IntersectionObserverEntry interface returns a DOMRectReadOnly which in essence describes a rectangle describing the smallest rectangle that contains the entire target element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/boundingClientRect)
     */
    readonly boundingClientRect: DOMRectReadOnly;
    /**
     * The **`intersectionRatio`** read-only property of the IntersectionObserverEntry interface tells you how much of the target element is currently visible within the root's intersection ratio, as a value between 0.0 and 1.0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/intersectionRatio)
     */
    readonly intersectionRatio: number;
    /**
     * The **`intersectionRect`** read-only property of the IntersectionObserverEntry interface is a DOMRectReadOnly object which describes the smallest rectangle that contains the entire portion of the target element which is currently visible within the intersection root.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/intersectionRect)
     */
    readonly intersectionRect: DOMRectReadOnly;
    /**
     * The **`isIntersecting`** read-only property of the IntersectionObserverEntry interface is a Boolean value which is true if the target element intersects with the intersection observer's root.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/isIntersecting)
     */
    readonly isIntersecting: boolean;
    /**
     * The **`rootBounds`** read-only property of the IntersectionObserverEntry interface is a DOMRectReadOnly corresponding to the target's root intersection rectangle, offset by the IntersectionObserver.rootMargin if one is specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/rootBounds)
     */
    readonly rootBounds: DOMRectReadOnly | null;
    /**
     * The **`target`** read-only property of the IntersectionObserverEntry interface indicates which targeted Element has changed its amount of intersection with the intersection root.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/target)
     */
    readonly target: Element;
    /**
     * The **`time`** read-only property of the IntersectionObserverEntry interface is a DOMHighResTimeStamp that indicates the time at which the intersection change occurred relative to the time at which the document was created.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/time)
     */
    readonly time: DOMHighResTimeStamp;
}

declare var IntersectionObserverEntry: {
    prototype: IntersectionObserverEntry;
    new(): IntersectionObserverEntry;
};

/**
 * The **`KHR_parallel_shader_compile`** extension is part of the WebGL API and enables a non-blocking poll operation, so that compile/link status availability (COMPLETION_STATUS_KHR) can be queried without potentially incurring stalls. In other words you can check the status of your shaders compiling without blocking the runtime.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KHR_parallel_shader_compile)
 */
interface KHR_parallel_shader_compile {
    readonly COMPLETION_STATUS_KHR: 0x91B1;
}

/**
 * **`KeyboardEvent`** objects describe a user interaction with the keyboard; each event describes a single interaction between the user and a key (or combination of a key with modifier keys) on the keyboard. The event type (keydown, keypress, or keyup) identifies what kind of keyboard activity occurred.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent)
 */
interface KeyboardEvent extends UIEvent {
    /**
     * The **`KeyboardEvent.altKey`** read-only property is a boolean value that indicates if the alt key (Option or ⌥ on macOS) was pressed (true) or not (false) when the event occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/altKey)
     */
    readonly altKey: boolean;
    /**
     * The **`charCode`** read-only property of the KeyboardEvent interface returns the Unicode value of a character key pressed during a keypress event.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/charCode)
     */
    readonly charCode: number;
    /**
     * The **`KeyboardEvent.code`** property represents a physical key on the keyboard (as opposed to the character generated by pressing the key). In other words, this property returns a value that isn't altered by keyboard layout or the state of the modifier keys.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/code)
     */
    readonly code: string;
    /**
     * The **`KeyboardEvent.ctrlKey`** read-only property returns a boolean value that indicates if the control key was pressed (true) or not (false) when the event occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/ctrlKey)
     */
    readonly ctrlKey: boolean;
    /**
     * The **`KeyboardEvent.isComposing`** read-only property returns a boolean value indicating if the event is fired within a composition session, i.e., after compositionstart and before compositionend.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/isComposing)
     */
    readonly isComposing: boolean;
    /**
     * The KeyboardEvent interface's **`key`** read-only property returns the value of the key pressed by the user, taking into consideration the state of modifier keys such as Shift as well as the keyboard locale and layout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/key)
     */
    readonly key: string;
    /**
     * The deprecated **`KeyboardEvent.keyCode`** read-only property represents a system and implementation dependent numerical code identifying the unmodified value of the pressed key.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/keyCode)
     */
    readonly keyCode: number;
    /**
     * The **`KeyboardEvent.location`** read-only property returns an unsigned long representing the location of the key on the keyboard or other input device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/location)
     */
    readonly location: number;
    /**
     * The **`KeyboardEvent.metaKey`** read-only property returning a boolean value that indicates if the Meta key was pressed (true) or not (false) when the event occurred. Some operating systems may intercept the key so it is never detected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/metaKey)
     */
    readonly metaKey: boolean;
    /**
     * The **`repeat`** read-only property of the KeyboardEvent interface returns a boolean value that is true if the given key is being held down such that it is automatically repeating.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/repeat)
     */
    readonly repeat: boolean;
    /**
     * The **`KeyboardEvent.shiftKey`** read-only property is a boolean value that indicates if the shift key was pressed (true) or not (false) when the event occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/shiftKey)
     */
    readonly shiftKey: boolean;
    /**
     * The **`KeyboardEvent.getModifierState()`** method returns the current state of the specified modifier key: true if the modifier is active (that is the modifier key is pressed or locked), otherwise, false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/getModifierState)
     */
    getModifierState(keyArg: string): boolean;
    /**
     * The **`KeyboardEvent.initKeyboardEvent()`** method initializes the attributes of a keyboard event object. This method was introduced in draft of DOM Level 3 Events, but deprecated in newer draft. Gecko won't support this feature since implementing this method as experimental broke existing web apps (see Firefox bug 999645). Web applications should use constructor instead of this if it's available.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyboardEvent/initKeyboardEvent)
     */
    initKeyboardEvent(typeArg: string, bubblesArg?: boolean, cancelableArg?: boolean, viewArg?: Window | null, keyArg?: string, locationArg?: number, ctrlKey?: boolean, altKey?: boolean, shiftKey?: boolean, metaKey?: boolean): void;
    readonly DOM_KEY_LOCATION_STANDARD: 0x00;
    readonly DOM_KEY_LOCATION_LEFT: 0x01;
    readonly DOM_KEY_LOCATION_RIGHT: 0x02;
    readonly DOM_KEY_LOCATION_NUMPAD: 0x03;
}

declare var KeyboardEvent: {
    prototype: KeyboardEvent;
    new(type: string, eventInitDict?: KeyboardEventInit): KeyboardEvent;
    readonly DOM_KEY_LOCATION_STANDARD: 0x00;
    readonly DOM_KEY_LOCATION_LEFT: 0x01;
    readonly DOM_KEY_LOCATION_RIGHT: 0x02;
    readonly DOM_KEY_LOCATION_NUMPAD: 0x03;
};

/**
 * The **`KeyframeEffect`** interface of the Web Animations API lets us create sets of animatable properties and values, called keyframes. These can then be played using the Animation() constructor.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect)
 */
interface KeyframeEffect extends AnimationEffect {
    /**
     * The **`composite`** property of a KeyframeEffect resolves how an element's animation impacts its underlying property values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/composite)
     */
    composite: CompositeOperation;
    /**
     * The **`iterationComposite`** property of a KeyframeEffect resolves how the animation's property value changes accumulate or override each other upon each of the animation's iterations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/iterationComposite)
     */
    iterationComposite: IterationCompositeOperation;
    /**
     * The **`pseudoElement`** property of a KeyframeEffect interface is a string representing the pseudo-element being animated. It may be null for animations that do not target a pseudo-element. It performs as both a getter and a setter, except with animations and transitions generated by CSS.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/pseudoElement)
     */
    pseudoElement: string | null;
    /**
     * The **`target`** property of a KeyframeEffect interface represents the element or pseudo-element being animated. It may be null for animations that do not target a specific element. It performs as both a getter and a setter, except with animations and transitions generated by CSS.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/target)
     */
    target: Element | null;
    /**
     * The **`getKeyframes()`** method of a KeyframeEffect returns an Array of the computed keyframes that make up this animation along with their computed offsets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/getKeyframes)
     */
    getKeyframes(): ComputedKeyframe[];
    /**
     * The **`setKeyframes()`** method of the KeyframeEffect interface replaces the keyframes that make up the affected KeyframeEffect with a new set of keyframes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/KeyframeEffect/setKeyframes)
     */
    setKeyframes(keyframes: Keyframe[] | PropertyIndexedKeyframes | null): void;
}

declare var KeyframeEffect: {
    prototype: KeyframeEffect;
    new(target: Element | null, keyframes: Keyframe[] | PropertyIndexedKeyframes | null, options?: number | KeyframeEffectOptions): KeyframeEffect;
    new(source: KeyframeEffect): KeyframeEffect;
};

/**
 * The **`LargestContentfulPaint`** interface provides timing information about the largest image or text paint before user input on a web page.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint)
 */
interface LargestContentfulPaint extends PerformanceEntry, PaintTimingMixin {
    /**
     * The **`element`** read-only property of the LargestContentfulPaint interface returns an object representing the Element that is the largest contentful paint.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/element)
     */
    readonly element: Element | null;
    /**
     * The **`id`** read-only property of the LargestContentfulPaint interface returns the ID of the element that is the largest contentful paint.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/id)
     */
    readonly id: string;
    /**
     * The **`loadTime`** read-only property of the LargestContentfulPaint interface returns the time that the element was loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/loadTime)
     */
    readonly loadTime: DOMHighResTimeStamp;
    /**
     * The **`renderTime`** read-only property of the LargestContentfulPaint interface represents the time that the element was rendered to the screen.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/renderTime)
     */
    readonly renderTime: DOMHighResTimeStamp;
    /**
     * The **`size`** read-only property of the LargestContentfulPaint interface returns the intrinsic size of the element that is the largest contentful paint.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/size)
     */
    readonly size: number;
    /**
     * The **`url`** read-only property of the LargestContentfulPaint interface returns the request URL of the element, if the element is an image.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/url)
     */
    readonly url: string;
    /**
     * The **`toJSON()`** method of the LargestContentfulPaint interface is a serializer; it returns a JSON representation of the LargestContentfulPaint object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/toJSON)
     */
    toJSON(): any;
}

declare var LargestContentfulPaint: {
    prototype: LargestContentfulPaint;
    new(): LargestContentfulPaint;
};

interface LinkStyle {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/sheet) */
    readonly sheet: CSSStyleSheet | null;
}

/**
 * The **`Location`** interface represents the location (URL) of the object it is linked to. Changes done on it are reflected on the object it relates to. Both the Document and Window interface have such a linked Location, accessible via Document.location and Window.location respectively.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location)
 */
interface Location {
    /**
     * The **`ancestorOrigins`** read-only property of the Location interface is a static DOMStringList containing, in reverse order, the origins of all ancestor browsing contexts of the document associated with the given Location object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/ancestorOrigins)
     */
    readonly ancestorOrigins: DOMStringList;
    /**
     * The **`hash`** property of the Location interface is a string containing a "#" followed by the fragment identifier of the location URL. If the URL does not have a fragment identifier, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/hash)
     */
    hash: string;
    /**
     * The **`host`** property of the Location interface is a string containing the host, which is the hostname, and then, if the port of the URL is nonempty, a ":", followed by the port of the URL. If the URL does not have a hostname, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/host)
     */
    host: string;
    /**
     * The **`hostname`** property of the Location interface is a string containing either the domain name or IP address of the location URL. If the URL does not have a hostname, this property contains an empty string, "". IPv4 and IPv6 addresses are normalized, such as stripping leading zeros, and domain names are converted to IDN.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/hostname)
     */
    hostname: string;
    /**
     * The **`href`** property of the Location interface is a stringifier that returns a string containing the whole URL, and allows the href to be updated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/href)
     */
    href: string;
    toString(): string;
    /**
     * The **`origin`** read-only property of the Location interface returns a string containing the Unicode serialization of the origin of the location's URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/origin)
     */
    readonly origin: string;
    /**
     * The **`pathname`** property of the Location interface is a string containing the path of the URL for the location. If there is no path, pathname will be empty: otherwise, pathname contains an initial '/' followed by the path of the URL, not including the query string or fragment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/pathname)
     */
    pathname: string;
    /**
     * The **`port`** property of the Location interface is a string containing the port number of the location's URL. If the port is the default for the protocol (80 for ws: and http:, 443 for wss: and https:, and 21 for ftp:), this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/port)
     */
    port: string;
    /**
     * The **`protocol`** property of the Location interface is a string containing the protocol or scheme of the location's URL, including the final ":".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/protocol)
     */
    protocol: string;
    /**
     * The **`search`** property of the Location interface is a search string, also called a query string, that is a string containing a "?" followed by the parameters of the location's URL. If the URL does not have a search query, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/search)
     */
    search: string;
    /**
     * The **`assign()`** method of the Location interface causes the window to load and display the document at the URL specified. After the navigation occurs, the user can navigate back to the page that called Location.assign() by pressing the "back" button.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/assign)
     */
    assign(url: string | URL): void;
    /**
     * The **`reload()`** method of the Location interface reloads the current URL, like the Refresh button.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/reload)
     */
    reload(): void;
    /**
     * The **`replace()`** method of the Location interface replaces the current resource with the one at the provided URL. The difference from the assign() method is that after using replace() the current page will not be saved in session History, meaning the user won't be able to use the back button to navigate to it. Not to be confused with the String method String.prototype.replace().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Location/replace)
     */
    replace(url: string | URL): void;
}

declare var Location: {
    prototype: Location;
    new(): Location;
};

/**
 * The **`Lock`** interface of the Web Locks API provides the name and mode of a lock. This may be a newly requested lock that is received in the callback to LockManager.request(), or a record of an active or queued lock returned by LockManager.query().
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Lock)
 */
interface Lock {
    /**
     * The **`mode`** read-only property of the Lock interface returns the access mode passed to LockManager.request() when the lock was requested. The mode is either "exclusive" (the default) or "shared".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Lock/mode)
     */
    readonly mode: LockMode;
    /**
     * The **`name`** read-only property of the Lock interface returns the name passed to LockManager.request selected when the lock was requested.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Lock/name)
     */
    readonly name: string;
}

declare var Lock: {
    prototype: Lock;
    new(): Lock;
};

/**
 * The **`LockManager`** interface of the Web Locks API provides methods for requesting a new Lock object and querying for an existing Lock object. To get an instance of LockManager, call navigator.locks.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LockManager)
 */
interface LockManager {
    /**
     * The **`query()`** method of the LockManager interface returns a Promise that resolves with an object containing information about held and pending locks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LockManager/query)
     */
    query(): Promise<LockManagerSnapshot>;
    /**
     * The **`request()`** method of the LockManager interface requests a Lock object with parameters specifying its name and characteristics. The requested Lock is passed to a callback, while the function itself returns a Promise that resolves (or rejects) with the result of the callback after the lock is released, or rejects if the request is aborted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LockManager/request)
     */
    request<T>(name: string, callback: LockGrantedCallback<T>): Promise<Awaited<T>>;
    request<T>(name: string, options: LockOptions, callback: LockGrantedCallback<T>): Promise<Awaited<T>>;
}

declare var LockManager: {
    prototype: LockManager;
    new(): LockManager;
};

interface MIDIAccessEventMap {
    "statechange": MIDIConnectionEvent;
}

/**
 * The **`MIDIAccess`** interface of the Web MIDI API provides methods for listing MIDI input and output devices, and obtaining access to those devices.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess)
 */
interface MIDIAccess extends EventTarget {
    /**
     * The **`inputs`** read-only property of the MIDIAccess interface provides access to any available MIDI input ports.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/inputs)
     */
    readonly inputs: MIDIInputMap;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/statechange_event) */
    onstatechange: ((this: MIDIAccess, ev: MIDIConnectionEvent) => any) | null;
    /**
     * The **`outputs`** read-only property of the MIDIAccess interface provides access to any available MIDI output ports.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/outputs)
     */
    readonly outputs: MIDIOutputMap;
    /**
     * The **`sysexEnabled`** read-only property of the MIDIAccess interface indicates whether system exclusive support is enabled on the current MIDIAccess instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/sysexEnabled)
     */
    readonly sysexEnabled: boolean;
    addEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MIDIAccess: {
    prototype: MIDIAccess;
    new(): MIDIAccess;
};

/**
 * The **`MIDIConnectionEvent`** interface of the Web MIDI API is the event passed to the statechange event of the MIDIAccess interface and the statechange event of the MIDIPort interface. This occurs any time a new port becomes available, or when a previously available port becomes unavailable. For example, this event is fired whenever a MIDI device is either plugged in to or unplugged from a computer.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent)
 */
interface MIDIConnectionEvent extends Event {
    /**
     * The **`port`** read-only property of the MIDIConnectionEvent interface returns the port that has been disconnected or connected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent/port)
     */
    readonly port: MIDIPort | null;
}

declare var MIDIConnectionEvent: {
    prototype: MIDIConnectionEvent;
    new(type: string, eventInitDict?: MIDIConnectionEventInit): MIDIConnectionEvent;
};

interface MIDIInputEventMap extends MIDIPortEventMap {
    "midimessage": MIDIMessageEvent;
}

/**
 * The **`MIDIInput`** interface of the Web MIDI API receives messages from a MIDI input port.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput)
 */
interface MIDIInput extends MIDIPort {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput/midimessage_event) */
    onmidimessage: ((this: MIDIInput, ev: MIDIMessageEvent) => any) | null;
    addEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MIDIInput: {
    prototype: MIDIInput;
    new(): MIDIInput;
};

/**
 * The **`MIDIInputMap`** read-only interface of the Web MIDI API provides the set of MIDI input ports that are currently available.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInputMap)
 */
interface MIDIInputMap {
    forEach(callbackfn: (value: MIDIInput, key: string, parent: MIDIInputMap) => void, thisArg?: any): void;
}

declare var MIDIInputMap: {
    prototype: MIDIInputMap;
    new(): MIDIInputMap;
};

/**
 * The **`MIDIMessageEvent`** interface of the Web MIDI API represents the event passed to the midimessage event of the MIDIInput interface. A midimessage event is fired every time a MIDI message is sent from a device represented by a MIDIInput, for example when a MIDI keyboard key is pressed, a knob is tweaked, or a slider is moved.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent)
 */
interface MIDIMessageEvent extends Event {
    /**
     * The **`data`** read-only property of the MIDIMessageEvent interface returns the MIDI data bytes of a single MIDI message.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent/data)
     */
    readonly data: Uint8Array<ArrayBuffer> | null;
}

declare var MIDIMessageEvent: {
    prototype: MIDIMessageEvent;
    new(type: string, eventInitDict?: MIDIMessageEventInit): MIDIMessageEvent;
};

/**
 * The **`MIDIOutput`** interface of the Web MIDI API provides methods to add messages to the queue of an output device, and to clear the queue of messages.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput)
 */
interface MIDIOutput extends MIDIPort {
    /**
     * The **`send()`** method of the MIDIOutput interface queues messages for the corresponding MIDI port. The message can be sent immediately, or with an optional timestamp to delay sending.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send)
     */
    send(data: number[], timestamp?: DOMHighResTimeStamp): void;
    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MIDIOutput: {
    prototype: MIDIOutput;
    new(): MIDIOutput;
};

/**
 * The **`MIDIOutputMap`** read-only interface of the Web MIDI API provides the set of MIDI output ports that are currently available.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutputMap)
 */
interface MIDIOutputMap {
    forEach(callbackfn: (value: MIDIOutput, key: string, parent: MIDIOutputMap) => void, thisArg?: any): void;
}

declare var MIDIOutputMap: {
    prototype: MIDIOutputMap;
    new(): MIDIOutputMap;
};

interface MIDIPortEventMap {
    "statechange": MIDIConnectionEvent;
}

/**
 * The **`MIDIPort`** interface of the Web MIDI API represents a MIDI input or output port.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort)
 */
interface MIDIPort extends EventTarget {
    /**
     * The **`connection`** read-only property of the MIDIPort interface returns the connection state of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/connection)
     */
    readonly connection: MIDIPortConnectionState;
    /**
     * The **`id`** read-only property of the MIDIPort interface returns the unique ID of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/id)
     */
    readonly id: string;
    /**
     * The **`manufacturer`** read-only property of the MIDIPort interface returns the manufacturer of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/manufacturer)
     */
    readonly manufacturer: string | null;
    /**
     * The **`name`** read-only property of the MIDIPort interface returns the system name of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/name)
     */
    readonly name: string | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/statechange_event) */
    onstatechange: ((this: MIDIPort, ev: MIDIConnectionEvent) => any) | null;
    /**
     * The **`state`** read-only property of the MIDIPort interface returns the state of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/state)
     */
    readonly state: MIDIPortDeviceState;
    /**
     * The **`type`** read-only property of the MIDIPort interface returns the type of the port, indicating whether this is an input or output MIDI port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/type)
     */
    readonly type: MIDIPortType;
    /**
     * The **`version`** read-only property of the MIDIPort interface returns the version of the port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/version)
     */
    readonly version: string | null;
    /**
     * The **`close()`** method of the MIDIPort interface makes the access to the MIDI device connected to this MIDIPort unavailable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/close)
     */
    close(): Promise<MIDIPort>;
    /**
     * The **`open()`** method of the MIDIPort interface makes the MIDI device connected to this MIDIPort explicitly available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/open)
     */
    open(): Promise<MIDIPort>;
    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MIDIPort: {
    prototype: MIDIPort;
    new(): MIDIPort;
};

interface MathMLElementEventMap extends ElementEventMap, GlobalEventHandlersEventMap {
}

/**
 * The **`MathMLElement`** interface represents any MathML element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MathMLElement)
 */
interface MathMLElement extends Element, ElementCSSInlineStyle, GlobalEventHandlers, HTMLOrSVGElement {
    addEventListener<K extends keyof MathMLElementEventMap>(type: K, listener: (this: MathMLElement, ev: MathMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MathMLElementEventMap>(type: K, listener: (this: MathMLElement, ev: MathMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MathMLElement: {
    prototype: MathMLElement;
    new(): MathMLElement;
};

/**
 * The **`MediaCapabilities`** interface of the Media Capabilities API provides information about the decoding abilities of the device, system and browser. The API can be used to query the browser about the decoding abilities of the device based on codecs, profile, resolution, and bitrates. The information can be used to serve optimal media streams to the user and determine if playback should be smooth and power efficient.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities)
 */
interface MediaCapabilities {
    /**
     * The **`decodingInfo()`** method of the MediaCapabilities interface returns a promise that fulfils with information about how well the user agent can decode/display media with a given configuration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities/decodingInfo)
     */
    decodingInfo(configuration: MediaDecodingConfiguration): Promise<MediaCapabilitiesDecodingInfo>;
    /**
     * The **`encodingInfo()`** method of the MediaCapabilities interface returns a promise that fulfills with the tested media configuration's capabilities for encoding media. This contains the three boolean properties supported, smooth, and powerefficient, which describe how compatible the device is with the type of media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities/encodingInfo)
     */
    encodingInfo(configuration: MediaEncodingConfiguration): Promise<MediaCapabilitiesEncodingInfo>;
}

declare var MediaCapabilities: {
    prototype: MediaCapabilities;
    new(): MediaCapabilities;
};

/**
 * The **`MediaDeviceInfo`** interface of the Media Capture and Streams API contains information that describes a single media input or output device.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo)
 */
interface MediaDeviceInfo {
    /**
     * The **`deviceId`** read-only property of the MediaDeviceInfo interface returns a string that is an identifier for the represented device and is persisted across sessions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/deviceId)
     */
    readonly deviceId: string;
    /**
     * The **`groupId`** read-only property of the MediaDeviceInfo interface returns a string that is a group identifier.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/groupId)
     */
    readonly groupId: string;
    /**
     * The **`kind`** read-only property of the MediaDeviceInfo interface returns an enumerated value, that is either "videoinput", "audioinput" or "audiooutput".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/kind)
     */
    readonly kind: MediaDeviceKind;
    /**
     * The **`label`** read-only property of the MediaDeviceInfo interface returns a string describing this device (for example "External USB Webcam").
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/label)
     */
    readonly label: string;
    /**
     * The **`toJSON()`** method of the MediaDeviceInfo interface is a serializer; it returns a JSON representation of the MediaDeviceInfo object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/toJSON)
     */
    toJSON(): any;
}

declare var MediaDeviceInfo: {
    prototype: MediaDeviceInfo;
    new(): MediaDeviceInfo;
};

interface MediaDevicesEventMap {
    "devicechange": Event;
}

/**
 * The **`MediaDevices`** interface of the Media Capture and Streams API provides access to connected media input devices like cameras and microphones, as well as screen sharing. In essence, it lets you obtain access to any hardware source of media data.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices)
 */
interface MediaDevices extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices/devicechange_event) */
    ondevicechange: ((this: MediaDevices, ev: Event) => any) | null;
    /**
     * The **`enumerateDevices()`** method of the MediaDevices interface requests a list of the currently available media input and output devices, such as microphones, cameras, headsets, and so forth. The returned Promise is resolved with an array of MediaDeviceInfo objects describing the devices.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices/enumerateDevices)
     */
    enumerateDevices(): Promise<MediaDeviceInfo[]>;
    /**
     * The **`getDisplayMedia()`** method of the MediaDevices interface prompts the user to select and grant permission to capture the contents of a display or portion thereof (such as a window) as a MediaStream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices/getDisplayMedia)
     */
    getDisplayMedia(options?: DisplayMediaStreamOptions): Promise<MediaStream>;
    /**
     * The **`getSupportedConstraints()`** method of the MediaDevices interface returns an object based on the MediaTrackSupportedConstraints dictionary, whose member fields each specify one of the constrainable properties the user agent understands.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices/getSupportedConstraints)
     */
    getSupportedConstraints(): MediaTrackSupportedConstraints;
    /**
     * The **`getUserMedia()`** method of the MediaDevices interface prompts the user for permission to use a media input which produces a MediaStream with tracks containing the requested types of media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDevices/getUserMedia)
     */
    getUserMedia(constraints?: MediaStreamConstraints): Promise<MediaStream>;
    addEventListener<K extends keyof MediaDevicesEventMap>(type: K, listener: (this: MediaDevices, ev: MediaDevicesEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaDevicesEventMap>(type: K, listener: (this: MediaDevices, ev: MediaDevicesEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaDevices: {
    prototype: MediaDevices;
    new(): MediaDevices;
};

/**
 * The **`MediaElementAudioSourceNode`** interface represents an audio source consisting of an HTML <audio> or <video> element. It is an AudioNode that acts as an audio source.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaElementAudioSourceNode)
 */
interface MediaElementAudioSourceNode extends AudioNode {
    /**
     * The MediaElementAudioSourceNode interface's read-only **`mediaElement`** property indicates the HTMLMediaElement that contains the audio track from which the node is receiving audio.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaElementAudioSourceNode/mediaElement)
     */
    readonly mediaElement: HTMLMediaElement;
}

declare var MediaElementAudioSourceNode: {
    prototype: MediaElementAudioSourceNode;
    new(context: AudioContext, options: MediaElementAudioSourceOptions): MediaElementAudioSourceNode;
};

/**
 * The **`MediaEncryptedEvent`** interface of the Encrypted Media Extensions API contains the information associated with an encrypted event sent to a HTMLMediaElement when some initialization data is encountered in the media.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaEncryptedEvent)
 */
interface MediaEncryptedEvent extends Event {
    /**
     * The read-only **`initData`** property of the MediaKeyMessageEvent returns the initialization data contained in this event, if any.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaEncryptedEvent/initData)
     */
    readonly initData: ArrayBuffer | null;
    /**
     * The read-only **`initDataType`** property of the MediaKeyMessageEvent returns a case-sensitive string describing the type of the initialization data associated with this event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaEncryptedEvent/initDataType)
     */
    readonly initDataType: string;
}

declare var MediaEncryptedEvent: {
    prototype: MediaEncryptedEvent;
    new(type: string, eventInitDict?: MediaEncryptedEventInit): MediaEncryptedEvent;
};

/**
 * The **`MediaError`** interface represents an error which occurred while handling media in an HTML media element based on HTMLMediaElement, such as <audio> or <video>.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaError)
 */
interface MediaError {
    /**
     * The read-only property **`MediaError.code`** returns a numeric value which represents the kind of error that occurred on a media element. To get a text string with specific diagnostic information, see MediaError.message.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaError/code)
     */
    readonly code: number;
    /**
     * The read-only property **`MediaError.message`** returns a human-readable string offering specific diagnostic details related to the error described by the MediaError object, or an empty string ("") if no diagnostic information can be determined or provided.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaError/message)
     */
    readonly message: string;
    readonly MEDIA_ERR_ABORTED: 1;
    readonly MEDIA_ERR_NETWORK: 2;
    readonly MEDIA_ERR_DECODE: 3;
    readonly MEDIA_ERR_SRC_NOT_SUPPORTED: 4;
}

declare var MediaError: {
    prototype: MediaError;
    new(): MediaError;
    readonly MEDIA_ERR_ABORTED: 1;
    readonly MEDIA_ERR_NETWORK: 2;
    readonly MEDIA_ERR_DECODE: 3;
    readonly MEDIA_ERR_SRC_NOT_SUPPORTED: 4;
};

/**
 * The **`MediaKeyMessageEvent`** interface of the Encrypted Media Extensions API contains the content and related data when the content decryption module generates a message for the session.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyMessageEvent)
 */
interface MediaKeyMessageEvent extends Event {
    /**
     * The **`MediaKeyMessageEvent.message`** read-only property returns an ArrayBuffer with a message from the content decryption module. Messages vary by key system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyMessageEvent/message)
     */
    readonly message: ArrayBuffer;
    /**
     * The **`MediaKeyMessageEvent.messageType`** read-only property indicates the type of message. It may be one of license-request, license-renewal, license-release, or individualization-request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyMessageEvent/messageType)
     */
    readonly messageType: MediaKeyMessageType;
}

declare var MediaKeyMessageEvent: {
    prototype: MediaKeyMessageEvent;
    new(type: string, eventInitDict: MediaKeyMessageEventInit): MediaKeyMessageEvent;
};

interface MediaKeySessionEventMap {
    "keystatuseschange": Event;
    "message": MediaKeyMessageEvent;
}

/**
 * The **`MediaKeySession`** interface of the Encrypted Media Extensions API represents a context for message exchange with a content decryption module (CDM).
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession)
 */
interface MediaKeySession extends EventTarget {
    /**
     * The **`closed`** read-only property of the MediaKeySession interface returns a Promise signaling when a MediaKeySession closes. This promise can only be fulfilled and is never rejected. Closing a session means that licenses and keys associated with it are no longer valid for decrypting media data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/closed)
     */
    readonly closed: Promise<MediaKeySessionClosedReason>;
    /**
     * The **`expiration`** read-only property of the MediaKeySession interface returns the time after which the keys in the current session can no longer be used to decrypt media data, or NaN if no such time exists.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/expiration)
     */
    readonly expiration: number;
    /**
     * The **`keyStatuses`** read-only property of the MediaKeySession interface returns a reference to a read-only MediaKeyStatusMap of the current session's keys and their statuses.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/keyStatuses)
     */
    readonly keyStatuses: MediaKeyStatusMap;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/keystatuseschange_event) */
    onkeystatuseschange: ((this: MediaKeySession, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/message_event) */
    onmessage: ((this: MediaKeySession, ev: MediaKeyMessageEvent) => any) | null;
    /**
     * The **`sessionId`** read-only property of the MediaKeySession interface contains a unique string generated by the content decryption module (CDM) for the current media object and its associated keys or licenses.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/sessionId)
     */
    readonly sessionId: string;
    /**
     * The **`close()`** method of the MediaKeySession interface notifies that the current media session is no longer needed, and that the content decryption module should release any resources associated with this object and close it. Then, it returns a Promise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/close)
     */
    close(): Promise<void>;
    /**
     * The **`generateRequest()`** method of the MediaKeySession interface returns a Promise after generating a license request based on initialization data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/generateRequest)
     */
    generateRequest(initDataType: string, initData: BufferSource): Promise<void>;
    /**
     * The **`load()`** method of the MediaKeySession interface returns a Promise that resolves to a boolean value after loading data for a specified session object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/load)
     */
    load(sessionId: string): Promise<boolean>;
    /**
     * The **`remove()`** method of the MediaKeySession interface returns a Promise after removing any session data associated with the current object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/remove)
     */
    remove(): Promise<void>;
    /**
     * The **`update()`** method of the MediaKeySession interface loads messages and licenses to the CDM, and then returns a Promise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySession/update)
     */
    update(response: BufferSource): Promise<void>;
    addEventListener<K extends keyof MediaKeySessionEventMap>(type: K, listener: (this: MediaKeySession, ev: MediaKeySessionEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaKeySessionEventMap>(type: K, listener: (this: MediaKeySession, ev: MediaKeySessionEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaKeySession: {
    prototype: MediaKeySession;
    new(): MediaKeySession;
};

/**
 * The **`MediaKeyStatusMap`** interface of the Encrypted Media Extensions API is a read-only map of media key statuses by key IDs.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyStatusMap)
 */
interface MediaKeyStatusMap {
    /**
     * The **`size`** read-only property of the MediaKeyStatusMap interface returns the number of key/value paIrs in the status map.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyStatusMap/size)
     */
    readonly size: number;
    /**
     * The **`get()`** method of the MediaKeyStatusMap interface returns the status value associated with the given key, or undefined if there is none.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyStatusMap/get)
     */
    get(keyId: BufferSource): MediaKeyStatus | undefined;
    /**
     * The **`has()`** method of the MediaKeyStatusMap interface returns a Boolean, asserting whether a value has been associated with the given key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeyStatusMap/has)
     */
    has(keyId: BufferSource): boolean;
    forEach(callbackfn: (value: MediaKeyStatus, key: BufferSource, parent: MediaKeyStatusMap) => void, thisArg?: any): void;
}

declare var MediaKeyStatusMap: {
    prototype: MediaKeyStatusMap;
    new(): MediaKeyStatusMap;
};

/**
 * The **`MediaKeySystemAccess`** interface of the Encrypted Media Extensions API provides access to a Key System for decryption and/or a content protection provider. You can request an instance of this object using the Navigator.requestMediaKeySystemAccess() method.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySystemAccess)
 */
interface MediaKeySystemAccess {
    /**
     * The **`keySystem`** read-only property of the MediaKeySystemAccess interface returns a string identifying the key system being used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySystemAccess/keySystem)
     */
    readonly keySystem: string;
    /**
     * The **`MediaKeySystemAccess.createMediaKeys()`** method returns a Promise that resolves to a new MediaKeys object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySystemAccess/createMediaKeys)
     */
    createMediaKeys(): Promise<MediaKeys>;
    /**
     * The **`getConfiguration()`** method of the MediaKeySystemAccess interface returns an object with the supported combination of the following configuration options:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeySystemAccess/getConfiguration)
     */
    getConfiguration(): MediaKeySystemConfiguration;
}

declare var MediaKeySystemAccess: {
    prototype: MediaKeySystemAccess;
    new(): MediaKeySystemAccess;
};

/**
 * The **`MediaKeys`** interface of Encrypted Media Extensions API represents a set of keys that an associated HTMLMediaElement can use for decryption of media data during playback.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys)
 */
interface MediaKeys {
    /**
     * The **`createSession()`** method of the MediaKeys interface returns a new MediaKeySession object, which represents a context for message exchange with a content decryption module (CDM).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/createSession)
     */
    createSession(sessionType?: MediaKeySessionType): MediaKeySession;
    /**
     * The **`getStatusForPolicy()`** method of the MediaKeys interface is used to check whether the Content Decryption Module (CDM) would allow the presentation of encrypted media data using the keys, based on the specified policy requirements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/getStatusForPolicy)
     */
    getStatusForPolicy(policy?: MediaKeysPolicy): Promise<MediaKeyStatus>;
    /**
     * The **`setServerCertificate()`** method of the MediaKeys interface provides a server certificate to be used to encrypt messages to the license server.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/setServerCertificate)
     */
    setServerCertificate(serverCertificate: BufferSource): Promise<boolean>;
}

declare var MediaKeys: {
    prototype: MediaKeys;
    new(): MediaKeys;
};

/**
 * The **`MediaList`** interface represents the media queries of a stylesheet, e.g., those set using a <link> element's media attribute.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList)
 */
interface MediaList {
    /**
     * The read-only **`length`** property of the MediaList interface returns the number of media queries in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList/length)
     */
    readonly length: number;
    /**
     * The **`mediaText`** property of the MediaList interface is a stringifier that returns a string representing the MediaList as text, and also allows you to set a new MediaList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList/mediaText)
     */
    mediaText: string;
    toString(): string;
    /**
     * The **`appendMedium()`** method of the MediaList interface adds a media query to the list. If the media query is already in the collection, this method does nothing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList/appendMedium)
     */
    appendMedium(medium: string): void;
    /**
     * The **`deleteMedium()`** method of the MediaList interface removes from this MediaList the given media query.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList/deleteMedium)
     */
    deleteMedium(medium: string): void;
    /**
     * The **`item()`** method of the MediaList interface returns the media query at the specified index, or null if the specified index doesn't exist.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaList/item)
     */
    item(index: number): string | null;
    [index: number]: string;
}

declare var MediaList: {
    prototype: MediaList;
    new(): MediaList;
};

/**
 * The **`MediaMetadata`** interface of the Media Session API allows a web page to provide rich media metadata for display in a platform UI.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaMetadata)
 */
interface MediaMetadata {
    /**
     * The **`album`** property of the MediaMetadata interface returns or sets the name of the album or collection containing the media to be played.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaMetadata/album)
     */
    album: string;
    /**
     * The **`artist`** property of the MediaMetadata interface returns or sets the name of the artist, group, creator, etc., of the media to be played.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaMetadata/artist)
     */
    artist: string;
    /**
     * The **`artwork`** property of the MediaMetadata interface returns or sets an array of objects representing images associated with playing media.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaMetadata/artwork)
     */
    artwork: ReadonlyArray<MediaImage>;
    /**
     * The **`title`** property of the MediaMetadata interface returns or sets the title of the media to be played.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaMetadata/title)
     */
    title: string;
}

declare var MediaMetadata: {
    prototype: MediaMetadata;
    new(init?: MediaMetadataInit): MediaMetadata;
};

interface MediaQueryListEventMap {
    "change": MediaQueryListEvent;
}

/**
 * A **`MediaQueryList`** object stores information on a media query applied to a document, with support for both immediate and event-driven matching against the state of the document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList)
 */
interface MediaQueryList extends EventTarget {
    /**
     * The **`matches`** read-only property of the MediaQueryList interface is a boolean value that returns true if the document currently matches the media query list, or false if not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList/matches)
     */
    readonly matches: boolean;
    /**
     * The **`media`** read-only property of the MediaQueryList interface is a string representing a serialized media query.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList/media)
     */
    readonly media: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList/change_event) */
    onchange: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null;
    /**
     * The deprecated **`addListener()`** method of the MediaQueryList interface adds a listener to the MediaQueryListener that will run a custom callback function in response to the media query status changing.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList/addListener)
     */
    addListener(callback: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null): void;
    /**
     * The **`removeListener()`** method of the MediaQueryList interface removes a listener from the MediaQueryListener.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryList/removeListener)
     */
    removeListener(callback: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null): void;
    addEventListener<K extends keyof MediaQueryListEventMap>(type: K, listener: (this: MediaQueryList, ev: MediaQueryListEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaQueryListEventMap>(type: K, listener: (this: MediaQueryList, ev: MediaQueryListEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaQueryList: {
    prototype: MediaQueryList;
    new(): MediaQueryList;
};

/**
 * The **`MediaQueryListEvent`** object stores information on the changes that have happened to a MediaQueryList object — instances are available as the event object on a function referenced by a change event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryListEvent)
 */
interface MediaQueryListEvent extends Event {
    /**
     * The **`matches`** read-only property of the MediaQueryListEvent interface is a boolean value that is true if the document currently matches the media query list, or false if not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryListEvent/matches)
     */
    readonly matches: boolean;
    /**
     * The **`media`** read-only property of the MediaQueryListEvent interface is a string representing a serialized media query.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaQueryListEvent/media)
     */
    readonly media: string;
}

declare var MediaQueryListEvent: {
    prototype: MediaQueryListEvent;
    new(type: string, eventInitDict?: MediaQueryListEventInit): MediaQueryListEvent;
};

interface MediaRecorderEventMap {
    "dataavailable": BlobEvent;
    "error": ErrorEvent;
    "pause": Event;
    "resume": Event;
    "start": Event;
    "stop": Event;
}

/**
 * The **`MediaRecorder`** interface of the MediaStream Recording API provides functionality to easily record media. It is created using the MediaRecorder() constructor.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder)
 */
interface MediaRecorder extends EventTarget {
    /**
     * The **`audioBitsPerSecond`** read-only property of the MediaRecorder interface returns the audio encoding bit rate in use.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/audioBitsPerSecond)
     */
    readonly audioBitsPerSecond: number;
    /**
     * The **`mimeType`** read-only property of the MediaRecorder interface returns the MIME media type that was specified when creating the MediaRecorder object, or, if none was specified, which was chosen by the browser. This is the file format of the file that would result from writing all of the recorded data to disk.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/mimeType)
     */
    readonly mimeType: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/dataavailable_event) */
    ondataavailable: ((this: MediaRecorder, ev: BlobEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/error_event) */
    onerror: ((this: MediaRecorder, ev: ErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/pause_event) */
    onpause: ((this: MediaRecorder, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/resume_event) */
    onresume: ((this: MediaRecorder, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/start_event) */
    onstart: ((this: MediaRecorder, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/stop_event) */
    onstop: ((this: MediaRecorder, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the MediaRecorder interface returns the current state of the current MediaRecorder object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/state)
     */
    readonly state: RecordingState;
    /**
     * The **`stream`** read-only property of the MediaRecorder interface returns the stream that was passed into the MediaRecorder() constructor when the MediaRecorder was created.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/stream)
     */
    readonly stream: MediaStream;
    /**
     * The **`videoBitsPerSecond`** read-only property of the MediaRecorder interface returns the video encoding bit rate in use.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/videoBitsPerSecond)
     */
    readonly videoBitsPerSecond: number;
    /**
     * The **`pause()`** method of the MediaRecorder interface is used to pause recording of media streams.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/pause)
     */
    pause(): void;
    /**
     * The **`requestData()`** method of the MediaRecorder interface is used to raise a dataavailable event containing a Blob object of the captured media as it was when the method was called. This can then be grabbed and manipulated as you wish.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/requestData)
     */
    requestData(): void;
    /**
     * The **`resume()`** method of the MediaRecorder interface is used to resume media recording when it has been previously paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/resume)
     */
    resume(): void;
    /**
     * The **`start()`** method of the MediaRecorder interface begins recording media into one or more Blob objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/start)
     */
    start(timeslice?: number): void;
    /**
     * The **`stop()`** method of the MediaRecorder interface is used to stop media capture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/stop)
     */
    stop(): void;
    addEventListener<K extends keyof MediaRecorderEventMap>(type: K, listener: (this: MediaRecorder, ev: MediaRecorderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaRecorderEventMap>(type: K, listener: (this: MediaRecorder, ev: MediaRecorderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaRecorder: {
    prototype: MediaRecorder;
    new(stream: MediaStream, options?: MediaRecorderOptions): MediaRecorder;
    /**
     * The **`isTypeSupported()`** static method of the MediaRecorder interface returns a Boolean which is true if the MIME media type specified is one the user agent should be able to successfully record.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaRecorder/isTypeSupported_static)
     */
    isTypeSupported(type: string): boolean;
};

/**
 * The **`MediaSession`** interface of the Media Session API allows a web page to provide custom behaviors for standard media playback interactions, and to report metadata that can be sent by the user agent to the device or operating system for presentation in standardized user interface elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession)
 */
interface MediaSession {
    /**
     * The **`metadata`** property of the MediaSession interface contains a MediaMetadata object providing descriptive information about the currently playing media, or null if the metadata has not been set. This metadata is provided by the browser to the device for presentation in any standard media control user interface the device might offer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/metadata)
     */
    metadata: MediaMetadata | null;
    /**
     * The **`playbackState`** property of the MediaSession interface indicates whether the current media session is playing or paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/playbackState)
     */
    playbackState: MediaSessionPlaybackState;
    /**
     * The **`setActionHandler()`** method of the MediaSession interface sets a handler for a media session action. These actions let a web app receive notifications when the user engages a device's built-in physical or onscreen media controls, such as play, stop, or seek buttons.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/setActionHandler)
     */
    setActionHandler(action: MediaSessionAction, handler: MediaSessionActionHandler | null): void;
    /**
     * The **`setCameraActive()`** method of the MediaSession interface is used to indicate to the user agent whether the user's camera is considered to be active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/setCameraActive)
     */
    setCameraActive(active: boolean): Promise<void>;
    /**
     * The **`setMicrophoneActive()`** method of the MediaSession interface is used to indicate to the user agent whether the user's microphone is considered to be currently muted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/setMicrophoneActive)
     */
    setMicrophoneActive(active: boolean): Promise<void>;
    /**
     * The **`setPositionState()`** method of the MediaSession interface is used to update the current document's media playback position and speed for presentation by user's device in any kind of interface that provides details about ongoing media. This can be particularly useful if your code implements a player for type of media not directly supported by the browser.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSession/setPositionState)
     */
    setPositionState(state?: MediaPositionState): void;
}

declare var MediaSession: {
    prototype: MediaSession;
    new(): MediaSession;
};

interface MediaSourceEventMap {
    "sourceclose": Event;
    "sourceended": Event;
    "sourceopen": Event;
}

/**
 * The **`MediaSource`** interface of the Media Source Extensions API represents a source of media data for an HTMLMediaElement object. A MediaSource object can be attached to a HTMLMediaElement to be played in the user agent.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource)
 */
interface MediaSource extends EventTarget {
    /**
     * The **`activeSourceBuffers`** read-only property of the MediaSource interface returns a SourceBufferList object containing a subset of the SourceBuffer objects contained within sourceBuffers — the list of objects providing the selected video track, enabled audio tracks, and shown/hidden text tracks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/activeSourceBuffers)
     */
    readonly activeSourceBuffers: SourceBufferList;
    /**
     * The **`duration`** property of the MediaSource interface gets and sets the duration of the current media being presented.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/duration)
     */
    duration: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/sourceclose_event) */
    onsourceclose: ((this: MediaSource, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/sourceended_event) */
    onsourceended: ((this: MediaSource, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/sourceopen_event) */
    onsourceopen: ((this: MediaSource, ev: Event) => any) | null;
    /**
     * The **`readyState`** read-only property of the MediaSource interface returns an enum representing the state of the current MediaSource. The three possible values are:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/readyState)
     */
    readonly readyState: ReadyState;
    /**
     * The **`sourceBuffers`** read-only property of the MediaSource interface returns a SourceBufferList object containing the list of SourceBuffer objects associated with this MediaSource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/sourceBuffers)
     */
    readonly sourceBuffers: SourceBufferList;
    /**
     * The **`addSourceBuffer()`** method of the MediaSource interface creates a new SourceBuffer of the given MIME type and adds it to the MediaSource's sourceBuffers list. The new SourceBuffer is also returned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/addSourceBuffer)
     */
    addSourceBuffer(type: string): SourceBuffer;
    /**
     * The **`clearLiveSeekableRange()`** method of the MediaSource interface clears a seekable range previously set with a call to setLiveSeekableRange().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/clearLiveSeekableRange)
     */
    clearLiveSeekableRange(): void;
    /**
     * The **`endOfStream()`** method of the MediaSource interface signals the end of the stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/endOfStream)
     */
    endOfStream(error?: EndOfStreamError): void;
    /**
     * The **`removeSourceBuffer()`** method of the MediaSource interface removes the given SourceBuffer from the SourceBufferList associated with this MediaSource object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/removeSourceBuffer)
     */
    removeSourceBuffer(sourceBuffer: SourceBuffer): void;
    /**
     * The **`setLiveSeekableRange()`** method of the MediaSource interface sets the range that the user can seek to in the media element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/setLiveSeekableRange)
     */
    setLiveSeekableRange(start: number, end: number): void;
    addEventListener<K extends keyof MediaSourceEventMap>(type: K, listener: (this: MediaSource, ev: MediaSourceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaSourceEventMap>(type: K, listener: (this: MediaSource, ev: MediaSourceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaSource: {
    prototype: MediaSource;
    new(): MediaSource;
    /**
     * The **`canConstructInDedicatedWorker`** static property of the MediaSource interface returns true if MediaSource worker support is implemented, providing a low-latency feature detection mechanism.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/canConstructInDedicatedWorker_static)
     */
    readonly canConstructInDedicatedWorker: boolean;
    /**
     * The **`MediaSource.isTypeSupported()`** static method returns a boolean value which is true if the given MIME type and (optional) codec are likely to be supported by the current user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSource/isTypeSupported_static)
     */
    isTypeSupported(type: string): boolean;
};

/**
 * The **`MediaSourceHandle`** interface of the Media Source Extensions API is a proxy for a MediaSource that can be transferred from a dedicated worker back to the main thread and attached to a media element via its HTMLMediaElement.srcObject property. MediaSource objects are not transferable because they are event targets, hence the need for MediaSourceHandles.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaSourceHandle)
 */
interface MediaSourceHandle {
}

declare var MediaSourceHandle: {
    prototype: MediaSourceHandle;
    new(): MediaSourceHandle;
};

interface MediaStreamEventMap {
    "addtrack": MediaStreamTrackEvent;
    "removetrack": MediaStreamTrackEvent;
}

/**
 * The **`MediaStream`** interface of the Media Capture and Streams API represents a stream of media content. A stream consists of several tracks, such as video or audio tracks. Each track is specified as an instance of MediaStreamTrack.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream)
 */
interface MediaStream extends EventTarget {
    /**
     * The **`active`** read-only property of the MediaStream interface returns a Boolean value which is true if the stream is currently active; otherwise, it returns false. A stream is considered active if at least one of its MediaStreamTracks does not have its property MediaStreamTrack.readyState set to ended. Once every track has ended, the stream's active property becomes false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/active)
     */
    readonly active: boolean;
    /**
     * The **`id`** read-only property of the MediaStream interface is a string containing 36 characters denoting a unique identifier (GUID) for the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/id)
     */
    readonly id: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/addtrack_event) */
    onaddtrack: ((this: MediaStream, ev: MediaStreamTrackEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/removetrack_event) */
    onremovetrack: ((this: MediaStream, ev: MediaStreamTrackEvent) => any) | null;
    /**
     * The **`addTrack()`** method of the MediaStream interface adds a new track to the stream. The track is specified as a parameter of type MediaStreamTrack.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/addTrack)
     */
    addTrack(track: MediaStreamTrack): void;
    /**
     * The **`clone()`** method of the MediaStream interface creates a duplicate of the MediaStream. This new MediaStream object has a new unique id and contains clones of every MediaStreamTrack contained by the MediaStream on which clone() was called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/clone)
     */
    clone(): MediaStream;
    /**
     * The **`getAudioTracks()`** method of the MediaStream interface returns a sequence that represents all the MediaStreamTrack objects in this stream's track set where MediaStreamTrack.kind is audio.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/getAudioTracks)
     */
    getAudioTracks(): MediaStreamTrack[];
    /**
     * The **`getTrackById()`** method of the MediaStream interface returns a MediaStreamTrack object representing the track with the specified ID string. If there is no track with the specified ID, this method returns null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/getTrackById)
     */
    getTrackById(trackId: string): MediaStreamTrack | null;
    /**
     * The **`getTracks()`** method of the MediaStream interface returns a sequence that represents all the MediaStreamTrack objects in this stream's track set, regardless of MediaStreamTrack.kind.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/getTracks)
     */
    getTracks(): MediaStreamTrack[];
    /**
     * The **`getVideoTracks()`** method of the MediaStream interface returns a sequence of MediaStreamTrack objects representing the video tracks in this stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/getVideoTracks)
     */
    getVideoTracks(): MediaStreamTrack[];
    /**
     * The **`removeTrack()`** method of the MediaStream interface removes a MediaStreamTrack from a stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStream/removeTrack)
     */
    removeTrack(track: MediaStreamTrack): void;
    addEventListener<K extends keyof MediaStreamEventMap>(type: K, listener: (this: MediaStream, ev: MediaStreamEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaStreamEventMap>(type: K, listener: (this: MediaStream, ev: MediaStreamEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaStream: {
    prototype: MediaStream;
    new(): MediaStream;
    new(stream: MediaStream): MediaStream;
    new(tracks: MediaStreamTrack[]): MediaStream;
};

/**
 * The **`MediaStreamAudioDestinationNode`** interface represents an audio destination consisting of a WebRTC MediaStream with a single AudioMediaStreamTrack, which can be used in a similar way to a MediaStream obtained from navigator.mediaDevices.getUserMedia().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamAudioDestinationNode)
 */
interface MediaStreamAudioDestinationNode extends AudioNode {
    /**
     * The **`stream`** property of the AudioContext interface represents a MediaStream containing a single audio MediaStreamTrack with the same number of channels as the node itself.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamAudioDestinationNode/stream)
     */
    readonly stream: MediaStream;
}

declare var MediaStreamAudioDestinationNode: {
    prototype: MediaStreamAudioDestinationNode;
    new(context: AudioContext, options?: AudioNodeOptions): MediaStreamAudioDestinationNode;
};

/**
 * The **`MediaStreamAudioSourceNode`** interface is a type of AudioNode which operates as an audio source whose media is received from a MediaStream obtained using the WebRTC or Media Capture and Streams APIs.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamAudioSourceNode)
 */
interface MediaStreamAudioSourceNode extends AudioNode {
    /**
     * The MediaStreamAudioSourceNode interface's read-only **`mediaStream`** property indicates the MediaStream that contains the audio track from which the node is receiving audio.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamAudioSourceNode/mediaStream)
     */
    readonly mediaStream: MediaStream;
}

declare var MediaStreamAudioSourceNode: {
    prototype: MediaStreamAudioSourceNode;
    new(context: AudioContext, options: MediaStreamAudioSourceOptions): MediaStreamAudioSourceNode;
};

interface MediaStreamTrackEventMap {
    "ended": Event;
    "mute": Event;
    "unmute": Event;
}

/**
 * The **`MediaStreamTrack`** interface of the Media Capture and Streams API represents a single media track within a stream; typically, these are audio or video tracks, but other track types may exist as well.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack)
 */
interface MediaStreamTrack extends EventTarget {
    /**
     * The **`contentHint`** property of the MediaStreamTrack interface is a string that hints at the type of content the track contains. Allowable values depend on the value of the MediaStreamTrack.kind property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/contentHint)
     */
    contentHint: string;
    /**
     * The **`enabled`** property of the MediaStreamTrack interface is a Boolean value which is true if the track is allowed to render the source stream or false if it is not. This can be used to intentionally mute a track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/enabled)
     */
    enabled: boolean;
    /**
     * The **`id`** read-only property of the MediaStreamTrack interface returns a string containing a unique identifier (GUID) for the track, which is generated by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/id)
     */
    readonly id: string;
    /**
     * The **`kind`** read-only property of the MediaStreamTrack interface returns a string set to "audio" if the track is an audio track and to "video" if it is a video track. It doesn't change if the track is disassociated from its source.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/kind)
     */
    readonly kind: string;
    /**
     * The **`label`** read-only property of the MediaStreamTrack interface returns a string containing a user agent-assigned label that identifies the track source, as in "internal microphone".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/label)
     */
    readonly label: string;
    /**
     * The **`muted`** read-only property of the MediaStreamTrack interface returns a boolean value indicating whether or not the track is currently unable to provide media output.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/muted)
     */
    readonly muted: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/ended_event) */
    onended: ((this: MediaStreamTrack, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/mute_event) */
    onmute: ((this: MediaStreamTrack, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/unmute_event) */
    onunmute: ((this: MediaStreamTrack, ev: Event) => any) | null;
    /**
     * The **`readyState`** read-only property of the MediaStreamTrack interface returns an enumerated value giving the status of the track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/readyState)
     */
    readonly readyState: MediaStreamTrackState;
    /**
     * The **`applyConstraints()`** method of the MediaStreamTrack interface applies a set of constraints to the track; these constraints let the website or app establish ideal values and acceptable ranges of values for the constrainable properties of the track, such as frame rate, dimensions, echo cancellation, and so forth.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/applyConstraints)
     */
    applyConstraints(constraints?: MediaTrackConstraints): Promise<void>;
    /**
     * The **`clone()`** method of the MediaStreamTrack interface creates a duplicate of the MediaStreamTrack. This new MediaStreamTrack object is identical except for its unique id.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/clone)
     */
    clone(): MediaStreamTrack;
    /**
     * The **`getCapabilities()`** method of the MediaStreamTrack interface returns an object detailing the accepted values or value range for each constrainable property of the associated MediaStreamTrack, based upon the platform and user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/getCapabilities)
     */
    getCapabilities(): MediaTrackCapabilities;
    /**
     * The **`getConstraints()`** method of the MediaStreamTrack interface returns a MediaTrackConstraints object containing the set of constraints most recently established for the track using a prior call to applyConstraints(). These constraints indicate values and ranges of values that the website or application has specified are required or acceptable for the included constrainable properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/getConstraints)
     */
    getConstraints(): MediaTrackConstraints;
    /**
     * The **`getSettings()`** method of the MediaStreamTrack interface returns a MediaTrackSettings object containing the current values of each of the constrainable properties for the current MediaStreamTrack.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/getSettings)
     */
    getSettings(): MediaTrackSettings;
    /**
     * The **`stop()`** method of the MediaStreamTrack interface stops the track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrack/stop)
     */
    stop(): void;
    addEventListener<K extends keyof MediaStreamTrackEventMap>(type: K, listener: (this: MediaStreamTrack, ev: MediaStreamTrackEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MediaStreamTrackEventMap>(type: K, listener: (this: MediaStreamTrack, ev: MediaStreamTrackEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MediaStreamTrack: {
    prototype: MediaStreamTrack;
    new(): MediaStreamTrack;
};

/**
 * The **`MediaStreamTrackEvent`** interface of the Media Capture and Streams API represents events which indicate that a MediaStream has had tracks added to or removed from the stream through calls to Media Capture and Streams API methods. These events are sent to the stream when these changes occur.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrackEvent)
 */
interface MediaStreamTrackEvent extends Event {
    /**
     * The **`track`** read-only property of the MediaStreamTrackEvent interface returns the MediaStreamTrack associated with this event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaStreamTrackEvent/track)
     */
    readonly track: MediaStreamTrack;
}

declare var MediaStreamTrackEvent: {
    prototype: MediaStreamTrackEvent;
    new(type: string, eventInitDict: MediaStreamTrackEventInit): MediaStreamTrackEvent;
};

/**
 * The **`MessageChannel`** interface of the Channel Messaging API allows us to create a new message channel and send data through it via its two MessagePort properties.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageChannel)
 */
interface MessageChannel {
    /**
     * The **`port1`** read-only property of the MessageChannel interface returns the first port of the message channel — the port attached to the context that originated the channel.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageChannel/port1)
     */
    readonly port1: MessagePort;
    /**
     * The **`port2`** read-only property of the MessageChannel interface returns the second port of the message channel — the port attached to the context at the other end of the channel, which the message is initially sent to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageChannel/port2)
     */
    readonly port2: MessagePort;
}

declare var MessageChannel: {
    prototype: MessageChannel;
    new(): MessageChannel;
};

/**
 * The **`MessageEvent`** interface represents a message received by a target object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent)
 */
interface MessageEvent<T = any> extends Event {
    /**
     * The **`data`** read-only property of the MessageEvent interface represents the data sent by the message emitter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent/data)
     */
    readonly data: T;
    /**
     * The **`lastEventId`** read-only property of the MessageEvent interface is a string representing a unique ID for the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent/lastEventId)
     */
    readonly lastEventId: string;
    /**
     * The **`origin`** read-only property of the MessageEvent interface is a string representing the origin of the message emitter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent/origin)
     */
    readonly origin: string;
    /**
     * The **`ports`** read-only property of the MessageEvent interface is an array of MessagePort objects containing all MessagePort objects sent with the message, in order.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent/ports)
     */
    readonly ports: ReadonlyArray<MessagePort>;
    /**
     * The **`source`** read-only property of the MessageEvent interface is a MessageEventSource (which can be a WindowProxy, MessagePort, or ServiceWorker object) representing the message emitter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessageEvent/source)
     */
    readonly source: MessageEventSource | null;
    /** @deprecated */
    initMessageEvent(type: string, bubbles?: boolean, cancelable?: boolean, data?: any, origin?: string, lastEventId?: string, source?: MessageEventSource | null, ports?: MessagePort[]): void;
}

declare var MessageEvent: {
    prototype: MessageEvent;
    new<T>(type: string, eventInitDict?: MessageEventInit<T>): MessageEvent<T>;
};

interface MessageEventTargetEventMap {
    "message": MessageEvent;
    "messageerror": MessageEvent;
}

interface MessageEventTarget<T> {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/message_event) */
    onmessage: ((this: T, ev: MessageEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/messageerror_event) */
    onmessageerror: ((this: T, ev: MessageEvent) => any) | null;
    addEventListener<K extends keyof MessageEventTargetEventMap>(type: K, listener: (this: T, ev: MessageEventTargetEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MessageEventTargetEventMap>(type: K, listener: (this: T, ev: MessageEventTargetEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

interface MessagePortEventMap extends MessageEventTargetEventMap {
    "message": MessageEvent;
    "messageerror": MessageEvent;
}

/**
 * The **`MessagePort`** interface of the Channel Messaging API represents one of the two ports of a MessageChannel, allowing messages to be sent from one port and listening out for them arriving at the other.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessagePort)
 */
interface MessagePort extends EventTarget, MessageEventTarget<MessagePort> {
    /**
     * The **`close()`** method of the MessagePort interface disconnects the port, so it is no longer active. This stops the flow of messages to that port.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessagePort/close)
     */
    close(): void;
    /**
     * The **`postMessage()`** method of the MessagePort interface sends a message from the port, and optionally, transfers ownership of objects to other browsing contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessagePort/postMessage)
     */
    postMessage(message: any, transfer: Transferable[]): void;
    postMessage(message: any, options?: StructuredSerializeOptions): void;
    /**
     * The **`start()`** method of the MessagePort interface starts the sending of messages queued on the port. This method is only needed when using EventTarget.addEventListener; it is implied when using onmessage.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MessagePort/start)
     */
    start(): void;
    addEventListener<K extends keyof MessagePortEventMap>(type: K, listener: (this: MessagePort, ev: MessagePortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MessagePortEventMap>(type: K, listener: (this: MessagePort, ev: MessagePortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MessagePort: {
    prototype: MessagePort;
    new(): MessagePort;
};

/**
 * The **`MimeType`** interface provides contains information about a MIME type associated with a particular plugin. Navigator.mimeTypes returns an array of this object.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MimeType)
 */
interface MimeType {
    /**
     * Returns the MIME type's description.
     * @deprecated
     */
    readonly description: string;
    /**
     * Returns the Plugin object that implements this MIME type.
     * @deprecated
     */
    readonly enabledPlugin: Plugin;
    /**
     * Returns the MIME type's typical file extensions, in a comma-separated list.
     * @deprecated
     */
    readonly suffixes: string;
    /**
     * Returns the MIME type.
     * @deprecated
     */
    readonly type: string;
}

/** @deprecated */
declare var MimeType: {
    prototype: MimeType;
    new(): MimeType;
};

/**
 * The **`MimeTypeArray`** interface returns an array of MimeType instances, each of which contains information about a supported browser plugins. This object is returned by the deprecated Navigator.mimeTypes property.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MimeTypeArray)
 */
interface MimeTypeArray {
    /** @deprecated */
    readonly length: number;
    /** @deprecated */
    item(index: number): MimeType | null;
    /** @deprecated */
    namedItem(name: string): MimeType | null;
    [index: number]: MimeType;
}

/** @deprecated */
declare var MimeTypeArray: {
    prototype: MimeTypeArray;
    new(): MimeTypeArray;
};

/**
 * The **`MouseEvent`** interface represents events that occur due to the user interacting with a pointing device (such as a mouse). Common events using this interface include click, dblclick, mouseup, mousedown.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent)
 */
interface MouseEvent extends UIEvent {
    /**
     * The **`MouseEvent.altKey`** read-only property is a boolean value that indicates whether the alt key was pressed or not when a given mouse event occurs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/altKey)
     */
    readonly altKey: boolean;
    /**
     * The **`MouseEvent.button`** read-only property indicates which button was pressed or released on the mouse to trigger the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/button)
     */
    readonly button: number;
    /**
     * The **`MouseEvent.buttons`** read-only property indicates which buttons are pressed on the mouse (or other input device) when a mouse event is triggered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/buttons)
     */
    readonly buttons: number;
    /**
     * The **`clientX`** read-only property of the MouseEvent interface provides the horizontal coordinate within the application's viewport at which the event occurred (as opposed to the coordinate within the page).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/clientX)
     */
    readonly clientX: number;
    /**
     * The **`clientY`** read-only property of the MouseEvent interface provides the vertical coordinate within the application's viewport at which the event occurred (as opposed to the coordinate within the page).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/clientY)
     */
    readonly clientY: number;
    /**
     * The **`MouseEvent.ctrlKey`** read-only property is a boolean value that indicates whether the ctrl key was pressed or not when a given mouse event occurs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/ctrlKey)
     */
    readonly ctrlKey: boolean;
    /**
     * The **`MouseEvent.layerX`** read-only property returns the horizontal coordinate of the event relative to the current layer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/layerX)
     */
    readonly layerX: number;
    /**
     * The **`MouseEvent.layerY`** read-only property returns the vertical coordinate of the event relative to the current layer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/layerY)
     */
    readonly layerY: number;
    /**
     * The **`MouseEvent.metaKey`** read-only property is a boolean value that indicates whether the meta key was pressed or not when a given mouse event occurs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/metaKey)
     */
    readonly metaKey: boolean;
    /**
     * The **`movementX`** read-only property of the MouseEvent interface provides the difference in the X coordinate of the mouse (or pointer) between the given move event and the previous move event of the same type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/movementX)
     */
    readonly movementX: number;
    /**
     * The **`movementY`** read-only property of the MouseEvent interface provides the difference in the Y coordinate of the mouse (or pointer) between the given move event and the previous move event of the same type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/movementY)
     */
    readonly movementY: number;
    /**
     * The **`offsetX`** read-only property of the MouseEvent interface provides the offset in the X coordinate of the mouse pointer between that event and the padding edge of the target node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/offsetX)
     */
    readonly offsetX: number;
    /**
     * The **`offsetY`** read-only property of the MouseEvent interface provides the offset in the Y coordinate of the mouse pointer between that event and the padding edge of the target node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/offsetY)
     */
    readonly offsetY: number;
    /**
     * The **`pageX`** read-only property of the MouseEvent interface returns the X (horizontal) coordinate (in pixels) at which the mouse was clicked, relative to the left edge of the entire document. This includes any portion of the document not currently visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/pageX)
     */
    readonly pageX: number;
    /**
     * The **`pageY`** read-only property of the MouseEvent interface returns the Y (vertical) coordinate (in pixels) at which the mouse was clicked, relative to the top edge of the entire document. This includes any portion of the document not currently visible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/pageY)
     */
    readonly pageY: number;
    /**
     * The **`MouseEvent.relatedTarget`** read-only property is the secondary target for the mouse event, if there is one.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/relatedTarget)
     */
    readonly relatedTarget: EventTarget | null;
    /**
     * The **`screenX`** read-only property of the MouseEvent interface provides the horizontal coordinate (offset) of the mouse pointer in screen coordinates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/screenX)
     */
    readonly screenX: number;
    /**
     * The **`screenY`** read-only property of the MouseEvent interface provides the vertical coordinate (offset) of the mouse pointer in screen coordinates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/screenY)
     */
    readonly screenY: number;
    /**
     * The **`MouseEvent.shiftKey`** read-only property is a boolean value that indicates whether the shift key was pressed or not when a given mouse event occurs.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/shiftKey)
     */
    readonly shiftKey: boolean;
    /**
     * The **`MouseEvent.x`** property is an alias for the MouseEvent.clientX property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/x)
     */
    readonly x: number;
    /**
     * The **`MouseEvent.y`** property is an alias for the MouseEvent.clientY property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/y)
     */
    readonly y: number;
    /**
     * The **`MouseEvent.getModifierState()`** method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/getModifierState)
     */
    getModifierState(keyArg: string): boolean;
    /**
     * The **`MouseEvent.initMouseEvent()`** method initializes the value of a mouse event once it's been created (normally using the Document.createEvent() method).
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MouseEvent/initMouseEvent)
     */
    initMouseEvent(typeArg: string, canBubbleArg: boolean, cancelableArg: boolean, viewArg: Window, detailArg: number, screenXArg: number, screenYArg: number, clientXArg: number, clientYArg: number, ctrlKeyArg: boolean, altKeyArg: boolean, shiftKeyArg: boolean, metaKeyArg: boolean, buttonArg: number, relatedTargetArg: EventTarget | null): void;
}

declare var MouseEvent: {
    prototype: MouseEvent;
    new(type: string, eventInitDict?: MouseEventInit): MouseEvent;
};

/**
 * The **`MutationObserver`** interface provides the ability to watch for changes being made to the DOM tree. It is designed as a replacement for the older Mutation Events feature, which was part of the DOM3 Events specification.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationObserver)
 */
interface MutationObserver {
    /**
     * The MutationObserver method **`disconnect()`** tells the observer to stop watching for mutations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationObserver/disconnect)
     */
    disconnect(): void;
    /**
     * The MutationObserver method **`observe()`** configures the MutationObserver callback to begin receiving notifications of changes to the DOM that match the given options.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationObserver/observe)
     */
    observe(target: Node, options?: MutationObserverInit): void;
    /**
     * The MutationObserver method **`takeRecords()`** returns a list of all matching DOM changes that have been detected but not yet processed by the observer's callback function, leaving the mutation queue empty.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationObserver/takeRecords)
     */
    takeRecords(): MutationRecord[];
}

declare var MutationObserver: {
    prototype: MutationObserver;
    new(callback: MutationCallback): MutationObserver;
};

/**
 * The **`MutationRecord`** is a read-only interface that represents an individual DOM mutation observed by a MutationObserver. It is the object inside the array passed to the callback of a MutationObserver.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord)
 */
interface MutationRecord {
    /**
     * The MutationRecord read-only property **`addedNodes`** is a NodeList of nodes added to a target node by a mutation observed with a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/addedNodes)
     */
    readonly addedNodes: NodeList;
    /**
     * The MutationRecord read-only property **`attributeName`** contains the name of a changed attribute belonging to a node that is observed by a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/attributeName)
     */
    readonly attributeName: string | null;
    /**
     * The MutationRecord read-only property **`attributeNamespace`** is the namespace of the mutated attribute in the MutationRecord observed by a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/attributeNamespace)
     */
    readonly attributeNamespace: string | null;
    /**
     * The MutationRecord read-only property **`nextSibling`** is the next sibling of an added or removed child node of the target of a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/nextSibling)
     */
    readonly nextSibling: Node | null;
    /**
     * The MutationRecord read-only property **`oldValue`** contains the character data or attribute value of an observed node before it was changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/oldValue)
     */
    readonly oldValue: string | null;
    /**
     * The MutationRecord read-only property **`previousSibling`** is the previous sibling of an added or removed child node of the target of a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/previousSibling)
     */
    readonly previousSibling: Node | null;
    /**
     * The MutationRecord read-only property **`removedNodes`** is a NodeList of nodes removed from a target node by a mutation observed with a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/removedNodes)
     */
    readonly removedNodes: NodeList;
    /**
     * The MutationRecord read-only property **`target`** is the target (i.e., the mutated/changed node) of a mutation observed with a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/target)
     */
    readonly target: Node;
    /**
     * The MutationRecord read-only property **`type`** is the type of the MutationRecord observed by a MutationObserver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MutationRecord/type)
     */
    readonly type: MutationRecordType;
}

declare var MutationRecord: {
    prototype: MutationRecord;
    new(): MutationRecord;
};

/**
 * The **`NamedNodeMap`** interface represents a collection of Attr objects. Objects inside a NamedNodeMap are not in any particular order, unlike NodeList, although they may be accessed by an index as in an array.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap)
 */
interface NamedNodeMap {
    /**
     * The read-only **`length`** property of the NamedNodeMap interface is the number of objects stored in the map.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/length)
     */
    readonly length: number;
    /**
     * The **`getNamedItem()`** method of the NamedNodeMap interface returns the Attr corresponding to the given name, or null if there is no corresponding attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/getNamedItem)
     */
    getNamedItem(qualifiedName: string): Attr | null;
    /**
     * The **`getNamedItemNS()`** method of the NamedNodeMap interface returns the Attr corresponding to the given local name in the given namespace, or null if there is no corresponding attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/getNamedItemNS)
     */
    getNamedItemNS(namespace: string | null, localName: string): Attr | null;
    /**
     * The **`item()`** method of the NamedNodeMap interface returns the item in the map matching the index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/item)
     */
    item(index: number): Attr | null;
    /**
     * The **`removeNamedItem()`** method of the NamedNodeMap interface removes the Attr corresponding to the given name from the map.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/removeNamedItem)
     */
    removeNamedItem(qualifiedName: string): Attr;
    /**
     * The **`removeNamedItemNS()`** method of the NamedNodeMap interface removes the Attr corresponding to the given namespace and local name from the map.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/removeNamedItemNS)
     */
    removeNamedItemNS(namespace: string | null, localName: string): Attr;
    /**
     * The **`setNamedItem()`** method of the NamedNodeMap interface puts the Attr identified by its name in the map. If there is already an Attr with the same name in the map, it is replaced.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/setNamedItem)
     */
    setNamedItem(attr: Attr): Attr | null;
    /**
     * The **`setNamedItemNS()`** method of the NamedNodeMap interface puts the Attr identified by its name in the map. If there was already an Attr with the same name in the map, it is replaced.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NamedNodeMap/setNamedItemNS)
     */
    setNamedItemNS(attr: Attr): Attr | null;
    [index: number]: Attr;
}

declare var NamedNodeMap: {
    prototype: NamedNodeMap;
    new(): NamedNodeMap;
};

/**
 * The **`NavigateEvent`** interface of the Navigation API is the event object for the navigate event, which fires when any type of navigation is initiated (this includes usage of History API features like History.go()). NavigateEvent provides access to information about that navigation, and allows developers to intercept and control the navigation handling.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent)
 */
interface NavigateEvent extends Event {
    /**
     * The **`canIntercept`** read-only property of the NavigateEvent interface returns true if the navigation can be intercepted and have its URL rewritten, or false otherwise
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/canIntercept)
     */
    readonly canIntercept: boolean;
    /**
     * The **`destination`** read-only property of the NavigateEvent interface returns a NavigationDestination object representing the destination being navigated to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/destination)
     */
    readonly destination: NavigationDestination;
    /**
     * The **`downloadRequest`** read-only property of the NavigateEvent interface returns the filename of the file requested for download, in the case of a download navigation (e.g., an <a> or <area> element with a download attribute), or null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/downloadRequest)
     */
    readonly downloadRequest: string | null;
    /**
     * The **`formData`** read-only property of the NavigateEvent interface returns the FormData object representing the submitted data in the case of a POST form submission, or null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/formData)
     */
    readonly formData: FormData | null;
    /**
     * The **`hasUAVisualTransition`** read-only property of the NavigateEvent interface returns true if the user agent performed a visual transition for this navigation before dispatching this event, or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/hasUAVisualTransition)
     */
    readonly hasUAVisualTransition: boolean;
    /**
     * The **`hashChange`** read-only property of the NavigateEvent interface returns true if the navigation is a fragment navigation (i.e., to a fragment identifier in the same document), or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/hashChange)
     */
    readonly hashChange: boolean;
    /**
     * The **`info`** read-only property of the NavigateEvent interface returns the info data value passed by the initiating navigation operation (e.g., Navigation.back(), or Navigation.navigate()), or undefined if no info data was passed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/info)
     */
    readonly info: any;
    /**
     * The **`navigationType`** read-only property of the NavigateEvent interface returns the type of the navigation — push, reload, replace, or traverse.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/navigationType)
     */
    readonly navigationType: NavigationType;
    /**
     * The **`signal`** read-only property of the NavigateEvent interface returns an AbortSignal, which will become aborted if the navigation is cancelled (e.g., by the user pressing the browser's "Stop" button, or another navigation starting and thus cancelling the ongoing one).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/signal)
     */
    readonly signal: AbortSignal;
    /**
     * The **`sourceElement`** read-only property of the NavigateEvent interface returns an Element object representing the initiating element, in cases where the navigation was initiated by an element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/sourceElement)
     */
    readonly sourceElement: Element | null;
    /**
     * The **`userInitiated`** read-only property of the NavigateEvent interface returns true if the navigation was initiated by the user (e.g., by clicking a link, submitting a form, or pressing the browser's "Back"/"Forward" buttons), or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/userInitiated)
     */
    readonly userInitiated: boolean;
    /**
     * The **`intercept()`** method of the NavigateEvent interface intercepts this navigation, turning it into a same-document navigation to the destination URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/intercept)
     */
    intercept(options?: NavigationInterceptOptions): void;
    /**
     * The **`scroll()`** method of the NavigateEvent interface can be called to manually trigger the browser-driven scrolling behavior that occurs in response to the navigation, if you want it to happen before the navigation handling has completed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigateEvent/scroll)
     */
    scroll(): void;
}

declare var NavigateEvent: {
    prototype: NavigateEvent;
    new(type: string, eventInitDict: NavigateEventInit): NavigateEvent;
};

interface NavigationEventMap {
    "currententrychange": NavigationCurrentEntryChangeEvent;
    "navigate": NavigateEvent;
    "navigateerror": ErrorEvent;
    "navigatesuccess": Event;
}

/**
 * The **`Navigation`** interface of the Navigation API allows control over all navigation actions for the current window in one central place, including initiating navigations programmatically, examining navigation history entries, and managing navigations as they happen.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation)
 */
interface Navigation extends EventTarget {
    /**
     * The **`activation`** read-only property of the Navigation interface returns a NavigationActivation object containing information about the most recent cross-document navigation, which "activated" this Document. The property will stay constant during same-document navigations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/activation)
     */
    readonly activation: NavigationActivation | null;
    /**
     * The **`canGoBack`** read-only property of the Navigation interface returns true if it is possible to navigate backwards in the navigation history (i.e., the currentEntry is not the first one in the history entry list), and false if it is not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/canGoBack)
     */
    readonly canGoBack: boolean;
    /**
     * The **`canGoForward`** read-only property of the Navigation interface returns true if it is possible to navigate forwards in the navigation history (i.e., the currentEntry is not the last one in the history entry list), and false if it is not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/canGoForward)
     */
    readonly canGoForward: boolean;
    /**
     * The **`currentEntry`** read-only property of the Navigation interface returns a NavigationHistoryEntry object representing the location the user is currently navigated to right now.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/currentEntry)
     */
    readonly currentEntry: NavigationHistoryEntry | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/currententrychange_event) */
    oncurrententrychange: ((this: Navigation, ev: NavigationCurrentEntryChangeEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/navigate_event) */
    onnavigate: ((this: Navigation, ev: NavigateEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/navigateerror_event) */
    onnavigateerror: ((this: Navigation, ev: ErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/navigatesuccess_event) */
    onnavigatesuccess: ((this: Navigation, ev: Event) => any) | null;
    /**
     * The **`transition`** read-only property of the Navigation interface returns a NavigationTransition object representing the status of an in-progress navigation, which can be used to track it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/transition)
     */
    readonly transition: NavigationTransition | null;
    /**
     * The **`back()`** method of the Navigation interface navigates backwards by one entry in the navigation history.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/back)
     */
    back(options?: NavigationOptions): NavigationResult;
    /**
     * The **`entries()`** method of the Navigation interface returns an array of NavigationHistoryEntry objects representing all existing history entries.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/entries)
     */
    entries(): NavigationHistoryEntry[];
    /**
     * The **`forward()`** method of the Navigation interface navigates forwards by one entry in the navigation history.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/forward)
     */
    forward(options?: NavigationOptions): NavigationResult;
    /**
     * The **`navigate()`** method of the Navigation interface navigates to a specific URL, updating any provided state in the history entries list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/navigate)
     */
    navigate(url: string | URL, options?: NavigationNavigateOptions): NavigationResult;
    /**
     * The **`reload()`** method of the Navigation interface reloads the current URL, updating any provided state in the history entries list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/reload)
     */
    reload(options?: NavigationReloadOptions): NavigationResult;
    /**
     * The **`traverseTo()`** method of the Navigation interface navigates to the NavigationHistoryEntry identified by the given key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/traverseTo)
     */
    traverseTo(key: string, options?: NavigationOptions): NavigationResult;
    /**
     * The **`updateCurrentEntry()`** method of the Navigation interface updates the state of the currentEntry; used in cases where the state change will be independent of a navigation or reload.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigation/updateCurrentEntry)
     */
    updateCurrentEntry(options: NavigationUpdateCurrentEntryOptions): void;
    addEventListener<K extends keyof NavigationEventMap>(type: K, listener: (this: Navigation, ev: NavigationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof NavigationEventMap>(type: K, listener: (this: Navigation, ev: NavigationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Navigation: {
    prototype: Navigation;
    new(): Navigation;
};

/**
 * The **`NavigationActivation`** interface of the Navigation API represents a recent cross-document navigation. It contains the navigation type and outgoing and inbound document history entries.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationActivation)
 */
interface NavigationActivation {
    /**
     * The **`entry`** read-only property of the NavigationActivation interface contains a NavigationHistoryEntry object representing the history entry for the inbound ("to") document in the navigation. This is equivalent to the Navigation.currentEntry property at the moment the inbound document was activated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationActivation/entry)
     */
    readonly entry: NavigationHistoryEntry;
    /**
     * The **`from`** read-only property of the NavigationActivation interface contains a NavigationHistoryEntry object representing the history entry for the outgoing ("from") document in the navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationActivation/from)
     */
    readonly from: NavigationHistoryEntry | null;
    /**
     * The **`navigationType`** read-only property of the NavigationActivation interface contains a string indicating the type of navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationActivation/navigationType)
     */
    readonly navigationType: NavigationType;
}

declare var NavigationActivation: {
    prototype: NavigationActivation;
    new(): NavigationActivation;
};

/**
 * The **`NavigationCurrentEntryChangeEvent`** interface of the Navigation API is the event object for the currententrychange event, which fires when the Navigation.currentEntry has changed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationCurrentEntryChangeEvent)
 */
interface NavigationCurrentEntryChangeEvent extends Event {
    /**
     * The **`from`** read-only property of the NavigationCurrentEntryChangeEvent interface returns the NavigationHistoryEntry that was navigated from.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationCurrentEntryChangeEvent/from)
     */
    readonly from: NavigationHistoryEntry;
    /**
     * The **`navigationType`** read-only property of the NavigationCurrentEntryChangeEvent interface returns the type of the navigation that resulted in the change. The property may be null if the change occurs due to Navigation.updateCurrentEntry().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationCurrentEntryChangeEvent/navigationType)
     */
    readonly navigationType: NavigationType | null;
}

declare var NavigationCurrentEntryChangeEvent: {
    prototype: NavigationCurrentEntryChangeEvent;
    new(type: string, eventInitDict: NavigationCurrentEntryChangeEventInit): NavigationCurrentEntryChangeEvent;
};

/**
 * The **`NavigationDestination`** interface of the Navigation API represents the destination being navigated to in the current navigation.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination)
 */
interface NavigationDestination {
    /**
     * The **`id`** read-only property of the NavigationDestination interface returns the id value of the destination NavigationHistoryEntry if the NavigateEvent.navigationType is traverse, or an empty string otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/id)
     */
    readonly id: string;
    /**
     * The **`index`** read-only property of the NavigationDestination interface returns the index value of the destination NavigationHistoryEntry if the NavigateEvent.navigationType is traverse, or -1 otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/index)
     */
    readonly index: number;
    /**
     * The **`key`** read-only property of the NavigationDestination interface returns the key value of the destination NavigationHistoryEntry if the NavigateEvent.navigationType is traverse, or an empty string otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/key)
     */
    readonly key: string;
    /**
     * The **`sameDocument`** read-only property of the NavigationDestination interface returns true if the navigation is to the same document as the current Document value, or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/sameDocument)
     */
    readonly sameDocument: boolean;
    /**
     * The **`url`** read-only property of the NavigationDestination interface returns the URL being navigated to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/url)
     */
    readonly url: string;
    /**
     * The **`getState()`** method of the NavigationDestination interface returns a clone of the developer-supplied state associated with the destination NavigationHistoryEntry, or navigation operation (e.g., navigate()) as appropriate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationDestination/getState)
     */
    getState(): any;
}

declare var NavigationDestination: {
    prototype: NavigationDestination;
    new(): NavigationDestination;
};

interface NavigationHistoryEntryEventMap {
    "dispose": Event;
}

/**
 * The **`NavigationHistoryEntry`** interface of the Navigation API represents a single navigation history entry.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry)
 */
interface NavigationHistoryEntry extends EventTarget {
    /**
     * The **`id`** read-only property of the NavigationHistoryEntry interface returns the id of the history entry, or an empty string if current document is not fully active. This is a unique, UA-generated value that always represents a specific history entry, useful to correlate it with an external resource such as a storage cache.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/id)
     */
    readonly id: string;
    /**
     * The **`index`** read-only property of the NavigationHistoryEntry interface returns the index of the history entry in the history entries list (that is, the list returned by Navigation.entries()), or -1 if the entry does not appear in the list or if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/index)
     */
    readonly index: number;
    /**
     * The **`key`** read-only property of the NavigationHistoryEntry interface returns the key of the history entry, or an empty string if current document is not fully active. This is a unique, UA-generated value that represents the history entry's slot in the entries list. It is used to navigate that particular slot via Navigation.traverseTo(). The key will be reused by other entries that replace the entry in the list (that is, if the NavigateEvent.navigationType is replace).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/key)
     */
    readonly key: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/dispose_event) */
    ondispose: ((this: NavigationHistoryEntry, ev: Event) => any) | null;
    /**
     * The **`sameDocument`** read-only property of the NavigationHistoryEntry interface returns true if this history entry is for the same document as the current Document value and current document is fully active, or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/sameDocument)
     */
    readonly sameDocument: boolean;
    /**
     * The **`url`** read-only property of the NavigationHistoryEntry interface returns the absolute URL of this history entry. If the entry corresponds to a different Document than the current one (like sameDocument property is false), and that Document was fetched with a Referrer-Policy header set to no-referrer or origin, the property returns null. If current document is not fully active, it returns an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/url)
     */
    readonly url: string | null;
    /**
     * The **`getState()`** method of the NavigationHistoryEntry interface returns a clone of the developer-supplied state associated with this history entry.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationHistoryEntry/getState)
     */
    getState(): any;
    addEventListener<K extends keyof NavigationHistoryEntryEventMap>(type: K, listener: (this: NavigationHistoryEntry, ev: NavigationHistoryEntryEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof NavigationHistoryEntryEventMap>(type: K, listener: (this: NavigationHistoryEntry, ev: NavigationHistoryEntryEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var NavigationHistoryEntry: {
    prototype: NavigationHistoryEntry;
    new(): NavigationHistoryEntry;
};

/**
 * The **`NavigationPrecommitController`** interface of the Navigation API is passed as an argument to a navigation precommit handler callback.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPrecommitController)
 */
interface NavigationPrecommitController {
    /**
     * The **`addHandler()`** method of the NavigationPrecommitController interface allows you to dynamically add a handler callback function in precommit code, which will then be run after the navigation has committed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPrecommitController/addHandler)
     */
    addHandler(handler: NavigationInterceptHandler): void;
    /**
     * The **`redirect()`** method of the NavigationPrecommitController interface redirects the browser to a specified URL and specifies history behavior and any desired state information.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPrecommitController/redirect)
     */
    redirect(url: string | URL, options?: NavigationNavigateOptions): void;
}

declare var NavigationPrecommitController: {
    prototype: NavigationPrecommitController;
    new(): NavigationPrecommitController;
};

/**
 * The **`NavigationPreloadManager`** interface of the Service Worker API provides methods for managing the preloading of resources in parallel with service worker bootup.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPreloadManager)
 */
interface NavigationPreloadManager {
    /**
     * The **`disable()`** method of the NavigationPreloadManager interface halts the automatic preloading of service-worker-managed resources previously started using enable() It returns a promise that resolves with undefined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPreloadManager/disable)
     */
    disable(): Promise<void>;
    /**
     * The **`enable()`** method of the NavigationPreloadManager interface is used to enable preloading of resources managed by the service worker. It returns a promise that resolves with undefined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPreloadManager/enable)
     */
    enable(): Promise<void>;
    /**
     * The **`getState()`** method of the NavigationPreloadManager interface returns a Promise that resolves to an object with properties that indicate whether preload is enabled and what value will be sent in the Service-Worker-Navigation-Preload HTTP header.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPreloadManager/getState)
     */
    getState(): Promise<NavigationPreloadState>;
    /**
     * The **`setHeaderValue()`** method of the NavigationPreloadManager interface sets the value of the Service-Worker-Navigation-Preload header that will be sent with requests resulting from a fetch() operation made during service worker navigation preloading. It returns an empty Promise that resolves with undefined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationPreloadManager/setHeaderValue)
     */
    setHeaderValue(value: string): Promise<void>;
}

declare var NavigationPreloadManager: {
    prototype: NavigationPreloadManager;
    new(): NavigationPreloadManager;
};

/**
 * The **`NavigationTransition`** interface of the Navigation API represents an ongoing navigation, that is, a navigation that hasn't yet reached the navigatesuccess or navigateerror stage.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationTransition)
 */
interface NavigationTransition {
    readonly committed: Promise<void>;
    /**
     * The **`finished`** read-only property of the NavigationTransition interface returns a Promise that fulfills at the same time the navigatesuccess event fires, or rejects at the same time the navigateerror event fires.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationTransition/finished)
     */
    readonly finished: Promise<void>;
    /**
     * The **`from`** read-only property of the NavigationTransition interface returns the NavigationHistoryEntry that the transition is coming from.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationTransition/from)
     */
    readonly from: NavigationHistoryEntry;
    /**
     * The **`navigationType`** read-only property of the NavigationTransition interface returns the type of the ongoing navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigationTransition/navigationType)
     */
    readonly navigationType: NavigationType;
}

declare var NavigationTransition: {
    prototype: NavigationTransition;
    new(): NavigationTransition;
};

/**
 * The **`Navigator`** interface represents the state and the identity of the user agent. It allows scripts to query it and to register themselves to carry on some activities.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator)
 */
interface Navigator extends NavigatorAutomationInformation, NavigatorBadge, NavigatorConcurrentHardware, NavigatorContentUtils, NavigatorCookies, NavigatorGPU, NavigatorID, NavigatorLanguage, NavigatorLocks, NavigatorOnLine, NavigatorPlugins, NavigatorStorage {
    /**
     * The **`clipboard`** read-only property of the Navigator interface returns a Clipboard object used to read and write the clipboard's contents.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/clipboard)
     */
    readonly clipboard: Clipboard;
    /**
     * The **`credentials`** read-only property of the Navigator interface returns the CredentialsContainer object associated with the current document, which exposes methods to request credentials. The CredentialsContainer interface also notifies the user agent when an interesting event occurs, such as a successful sign-in or sign-out. This interface can be used for feature detection.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/credentials)
     */
    readonly credentials: CredentialsContainer;
    /** The **`Navigator.doNotTrack`** property returns the user's Do Not Track setting, which indicates whether the user is requesting websites and advertisers to not track them. */
    readonly doNotTrack: string | null;
    /**
     * The **`Navigator.geolocation`** read-only property returns a Geolocation object that gives Web content access to the location of the device. This allows a website or app to offer customized results based on the user's location.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/geolocation)
     */
    readonly geolocation: Geolocation;
    /**
     * The **`login`** read-only property of the Navigator interface provides access to the browser's NavigatorLogin object, which a federated identity provider (IdP) can use to set its login status when a user signs into or out of the IdP.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/login)
     */
    readonly login: NavigatorLogin;
    /**
     * The **`maxTouchPoints`** read-only property of the Navigator interface returns the maximum number of simultaneous touch contact points that are supported by the current device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/maxTouchPoints)
     */
    readonly maxTouchPoints: number;
    /**
     * The **`mediaCapabilities`** read-only property of the Navigator interface references a MediaCapabilities object that can expose information about the decoding and encoding capabilities for a given media format and output capabilities.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/mediaCapabilities)
     */
    readonly mediaCapabilities: MediaCapabilities;
    /**
     * The **`mediaDevices`** read-only property of the Navigator interface returns a MediaDevices object, which provides access to connected media input devices like cameras and microphones, as well as screen sharing.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/mediaDevices)
     */
    readonly mediaDevices: MediaDevices;
    /**
     * The **`mediaSession`** read-only property of the Navigator interface returns a MediaSession object that can be used to share with the browser metadata and other information about the current playback state of media being handled by a document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/mediaSession)
     */
    readonly mediaSession: MediaSession;
    /**
     * The **`permissions`** read-only property of the Navigator interface returns a Permissions object that can be used to query and update permission status of APIs covered by the Permissions API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/permissions)
     */
    readonly permissions: Permissions;
    /**
     * The **`serviceWorker`** read-only property of the Navigator interface returns the ServiceWorkerContainer object for the associated document, which provides access to registration, removal, upgrade, and communication with the ServiceWorker.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/serviceWorker)
     */
    readonly serviceWorker: ServiceWorkerContainer;
    /**
     * The read-only **`userActivation`** property of the Navigator interface returns a UserActivation object which contains information about the current window's user activation state.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/userActivation)
     */
    readonly userActivation: UserActivation;
    /**
     * The **`wakeLock`** read-only property of the Navigator interface returns a WakeLock interface that allows a document to acquire a screen wake lock. While a screen wake lock is active, the user agent will try to prevent the device from dimming the screen, turning it off completely, or showing a screensaver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/wakeLock)
     */
    readonly wakeLock: WakeLock;
    /**
     * The **`canShare()`** method of the Navigator interface returns true if the equivalent call to navigator.share() would succeed.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/canShare)
     */
    canShare(data?: ShareData): boolean;
    /**
     * The **`Navigator.getGamepads()`** method returns an array of Gamepad objects, one for each gamepad connected to the device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/getGamepads)
     */
    getGamepads(): (Gamepad | null)[];
    /**
     * The **`requestMIDIAccess()`** method of the Navigator interface returns a Promise representing a request for access to MIDI devices on a user's system. This method is part of the Web MIDI API, which provides a means for accessing, enumerating, and manipulating MIDI devices.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/requestMIDIAccess)
     */
    requestMIDIAccess(options?: MIDIOptions): Promise<MIDIAccess>;
    /**
     * The **`requestMediaKeySystemAccess()`** method of the Navigator interface returns a Promise which delivers a MediaKeySystemAccess object that can be used to access a particular media key system, which can in turn be used to create keys for decrypting a media stream.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/requestMediaKeySystemAccess)
     */
    requestMediaKeySystemAccess(keySystem: string, supportedConfigurations: MediaKeySystemConfiguration[]): Promise<MediaKeySystemAccess>;
    /**
     * The **`navigator.sendBeacon()`** method asynchronously sends an HTTP POST request containing a small amount of data to a web server.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/sendBeacon)
     */
    sendBeacon(url: string | URL, data?: BodyInit | null): boolean;
    /**
     * The **`share()`** method of the Navigator interface invokes the native sharing mechanism of the device to share data such as text, URLs, or files. The available share targets depend on the device, but might include the clipboard, contacts and email applications, websites, Bluetooth, etc.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/share)
     */
    share(data?: ShareData): Promise<void>;
    /**
     * The **`vibrate()`** method of the Navigator interface pulses the vibration hardware on the device, if such hardware exists. If the device doesn't support vibration, this method has no effect. If a vibration pattern is already in progress when this method is called, the previous pattern is halted and the new one begins instead.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/vibrate)
     */
    vibrate(pattern: VibratePattern): boolean;
}

declare var Navigator: {
    prototype: Navigator;
    new(): Navigator;
};

interface NavigatorAutomationInformation {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/webdriver) */
    readonly webdriver: boolean;
}

/** Available only in secure contexts. */
interface NavigatorBadge {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/clearAppBadge) */
    clearAppBadge(): Promise<void>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/setAppBadge) */
    setAppBadge(contents?: number): Promise<void>;
}

interface NavigatorConcurrentHardware {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/hardwareConcurrency) */
    readonly hardwareConcurrency: number;
}

interface NavigatorContentUtils {
    /**
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/registerProtocolHandler)
     */
    registerProtocolHandler(scheme: string, url: string | URL): void;
}

interface NavigatorCookies {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/cookieEnabled) */
    readonly cookieEnabled: boolean;
}

interface NavigatorGPU {
    /**
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/gpu)
     */
    readonly gpu: GPU;
}

interface NavigatorID {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/appCodeName) */
    readonly appCodeName: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/appName) */
    readonly appName: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/appVersion) */
    readonly appVersion: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/platform) */
    readonly platform: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/product) */
    readonly product: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/productSub) */
    readonly productSub: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/userAgent) */
    readonly userAgent: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/vendor) */
    readonly vendor: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/vendorSub) */
    readonly vendorSub: string;
}

interface NavigatorLanguage {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/language) */
    readonly language: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/languages) */
    readonly languages: ReadonlyArray<string>;
}

/** Available only in secure contexts. */
interface NavigatorLocks {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/locks) */
    readonly locks: LockManager;
}

/**
 * The **`NavigatorLogin`** interface of the Federated Credential Management (FedCM) API defines login functionality for federated identity providers (IdPs). Specifically, it enables a federated identity provider (IdP) to set its login status when a user signs into or out of the IdP.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigatorLogin)
 */
interface NavigatorLogin {
    /**
     * The **`setStatus()`** method of the NavigatorLogin interface sets the login status of a federated identity provider (IdP), when called from the IdP's origin. By this, we mean "whether any users are logged into the IdP on the current browser or not". This should be called by the IdP site following a user login or logout.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NavigatorLogin/setStatus)
     */
    setStatus(status: LoginStatus): Promise<void>;
}

declare var NavigatorLogin: {
    prototype: NavigatorLogin;
    new(): NavigatorLogin;
};

interface NavigatorOnLine {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/onLine) */
    readonly onLine: boolean;
}

interface NavigatorPlugins {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/mimeTypes) */
    readonly mimeTypes: MimeTypeArray;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/pdfViewerEnabled) */
    readonly pdfViewerEnabled: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/plugins) */
    readonly plugins: PluginArray;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/javaEnabled) */
    javaEnabled(): boolean;
}

/** Available only in secure contexts. */
interface NavigatorStorage {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Navigator/storage) */
    readonly storage: StorageManager;
}

/**
 * The DOM **`Node`** interface is an abstract base class upon which many other DOM API objects are based, thus letting those object types be used similarly and often interchangeably. As an abstract class, there is no such thing as a plain Node object. All objects that implement Node functionality are based on one of its subclasses. Most notable are Document, Element, and DocumentFragment.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node)
 */
interface Node extends EventTarget {
    /**
     * The read-only **`baseURI`** property of the Node interface returns the absolute base URL of the document containing the node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/baseURI)
     */
    readonly baseURI: string;
    /**
     * The read-only **`childNodes`** property of the Node interface returns a live NodeList of child nodes of the given element where the first child node is assigned index 0. Child nodes include elements, text and comments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/childNodes)
     */
    readonly childNodes: NodeListOf<ChildNode>;
    /**
     * The read-only **`firstChild`** property of the Node interface returns the node's first child in the tree, or null if the node has no children.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/firstChild)
     */
    readonly firstChild: ChildNode | null;
    /**
     * The read-only **`isConnected`** property of the Node interface returns a boolean indicating whether the node is connected (directly or indirectly) to a Document object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/isConnected)
     */
    readonly isConnected: boolean;
    /**
     * The read-only **`lastChild`** property of the Node interface returns the last child of the node, or null if there are no child nodes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/lastChild)
     */
    readonly lastChild: ChildNode | null;
    /**
     * The read-only **`nextSibling`** property of the Node interface returns the node immediately following the specified one in their parent's childNodes, or returns null if the specified node is the last child in the parent element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/nextSibling)
     */
    readonly nextSibling: ChildNode | null;
    /**
     * The read-only **`nodeName`** property of Node returns the name of the current node as a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/nodeName)
     */
    readonly nodeName: string;
    /**
     * The read-only **`nodeType`** property of a Node interface is an integer that identifies what the node is. It distinguishes different kinds of nodes from each other, such as elements, text, and comments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/nodeType)
     */
    readonly nodeType: number;
    /**
     * The **`nodeValue`** property of the Node interface returns or sets the value of the current node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/nodeValue)
     */
    nodeValue: string | null;
    /**
     * The read-only **`ownerDocument`** property of the Node interface returns the top-level document object of the node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/ownerDocument)
     */
    readonly ownerDocument: Document | null;
    /**
     * The read-only **`parentElement`** property of Node interface returns the DOM node's parent Element, or null if the node either has no parent, or its parent isn't a DOM Element. Node.parentNode on the other hand returns any kind of parent, regardless of its type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/parentElement)
     */
    readonly parentElement: HTMLElement | null;
    /**
     * The read-only **`parentNode`** property of the Node interface returns the parent of the specified node in the DOM tree.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/parentNode)
     */
    readonly parentNode: ParentNode | null;
    /**
     * The read-only **`previousSibling`** property of the Node interface returns the node immediately preceding the specified one in its parent's childNodes list, or null if the specified node is the first in that list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/previousSibling)
     */
    readonly previousSibling: ChildNode | null;
    /**
     * The **`textContent`** property of the Node interface represents the text content of the node and its descendants.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/textContent)
     */
    textContent: string | null;
    /**
     * The **`appendChild()`** method of the Node interface adds a node to the end of the list of children of a specified parent node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/appendChild)
     */
    appendChild<T extends Node>(node: T): T;
    /**
     * The **`cloneNode()`** method of the Node interface returns a duplicate of the node on which this method was called. Its parameter controls if the subtree contained in the node is also cloned or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/cloneNode)
     */
    cloneNode(subtree?: boolean): Node;
    /**
     * The **`compareDocumentPosition()`** method of the Node interface reports the position of its argument node relative to the node on which it is called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/compareDocumentPosition)
     */
    compareDocumentPosition(other: Node): number;
    /**
     * The **`contains()`** method of the Node interface returns a boolean value indicating whether a node is a descendant of a given node, that is the node itself, one of its direct children (childNodes), one of the children's direct children, and so on.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/contains)
     */
    contains(other: Node | null): boolean;
    /**
     * The **`getRootNode()`** method of the Node interface returns the context object's root, which optionally includes the shadow root if it is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/getRootNode)
     */
    getRootNode(options?: GetRootNodeOptions): Node;
    /**
     * The **`hasChildNodes()`** method of the Node interface returns a boolean value indicating whether the given Node has child nodes or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/hasChildNodes)
     */
    hasChildNodes(): boolean;
    /**
     * The **`insertBefore()`** method of the Node interface inserts a node before a reference node as a child of a specified parent node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/insertBefore)
     */
    insertBefore<T extends Node>(node: T, child: Node | null): T;
    /**
     * The **`isDefaultNamespace()`** method of the Node interface accepts a namespace URI as an argument. It returns a boolean value that is true if the namespace is the default namespace on the given node and false if not. The default namespace can be retrieved with Node.lookupNamespaceURI() by passing null as the argument.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/isDefaultNamespace)
     */
    isDefaultNamespace(namespace: string | null): boolean;
    /**
     * The **`isEqualNode()`** method of the Node interface tests whether two nodes are equal. Two nodes are equal when they have the same type, defining characteristics (for elements, this would be their ID, number of children, and so forth), its attributes match, and so on. The specific set of data points that must match varies depending on the types of the nodes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/isEqualNode)
     */
    isEqualNode(otherNode: Node | null): boolean;
    /**
     * The **`isSameNode()`** method of the Node interface is a legacy alias the for the === strict equality operator. That is, it tests whether two nodes are the same (in other words, whether they reference the same object).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/isSameNode)
     */
    isSameNode(otherNode: Node | null): boolean;
    /**
     * The **`lookupNamespaceURI()`** method of the Node interface takes a prefix as parameter and returns the namespace URI associated with it on the given node if found (and null if not). This method's existence allows Node objects to be passed as a namespace resolver to XPathEvaluator.createExpression() and XPathEvaluator.evaluate().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/lookupNamespaceURI)
     */
    lookupNamespaceURI(prefix: string | null): string | null;
    /**
     * The **`lookupPrefix()`** method of the Node interface returns a string containing the prefix for a given namespace URI, if present, and null if not. When multiple prefixes are possible, the first prefix is returned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/lookupPrefix)
     */
    lookupPrefix(namespace: string | null): string | null;
    /**
     * The **`normalize()`** method of the Node interface puts the specified node and all of its sub-tree into a normalized form. In a normalized sub-tree, no text nodes in the sub-tree are empty and there are no adjacent text nodes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/normalize)
     */
    normalize(): void;
    /**
     * The **`removeChild()`** method of the Node interface removes a child node from the DOM and returns the removed node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/removeChild)
     */
    removeChild<T extends Node>(child: T): T;
    /**
     * The **`replaceChild()`** method of the Node interface replaces a child node within the given (parent) node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Node/replaceChild)
     */
    replaceChild<T extends Node>(node: Node, child: T): T;
    /** node is an element. */
    readonly ELEMENT_NODE: 1;
    readonly ATTRIBUTE_NODE: 2;
    /** node is a Text node. */
    readonly TEXT_NODE: 3;
    /** node is a CDATASection node. */
    readonly CDATA_SECTION_NODE: 4;
    readonly ENTITY_REFERENCE_NODE: 5;
    readonly ENTITY_NODE: 6;
    /** node is a ProcessingInstruction node. */
    readonly PROCESSING_INSTRUCTION_NODE: 7;
    /** node is a Comment node. */
    readonly COMMENT_NODE: 8;
    /** node is a document. */
    readonly DOCUMENT_NODE: 9;
    /** node is a doctype. */
    readonly DOCUMENT_TYPE_NODE: 10;
    /** node is a DocumentFragment node. */
    readonly DOCUMENT_FRAGMENT_NODE: 11;
    readonly NOTATION_NODE: 12;
    /** Set when node and other are not in the same tree. */
    readonly DOCUMENT_POSITION_DISCONNECTED: 0x01;
    /** Set when other is preceding node. */
    readonly DOCUMENT_POSITION_PRECEDING: 0x02;
    /** Set when other is following node. */
    readonly DOCUMENT_POSITION_FOLLOWING: 0x04;
    /** Set when other is an ancestor of node. */
    readonly DOCUMENT_POSITION_CONTAINS: 0x08;
    /** Set when other is a descendant of node. */
    readonly DOCUMENT_POSITION_CONTAINED_BY: 0x10;
    readonly DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: 0x20;
}

declare var Node: {
    prototype: Node;
    new(): Node;
    /** node is an element. */
    readonly ELEMENT_NODE: 1;
    readonly ATTRIBUTE_NODE: 2;
    /** node is a Text node. */
    readonly TEXT_NODE: 3;
    /** node is a CDATASection node. */
    readonly CDATA_SECTION_NODE: 4;
    readonly ENTITY_REFERENCE_NODE: 5;
    readonly ENTITY_NODE: 6;
    /** node is a ProcessingInstruction node. */
    readonly PROCESSING_INSTRUCTION_NODE: 7;
    /** node is a Comment node. */
    readonly COMMENT_NODE: 8;
    /** node is a document. */
    readonly DOCUMENT_NODE: 9;
    /** node is a doctype. */
    readonly DOCUMENT_TYPE_NODE: 10;
    /** node is a DocumentFragment node. */
    readonly DOCUMENT_FRAGMENT_NODE: 11;
    readonly NOTATION_NODE: 12;
    /** Set when node and other are not in the same tree. */
    readonly DOCUMENT_POSITION_DISCONNECTED: 0x01;
    /** Set when other is preceding node. */
    readonly DOCUMENT_POSITION_PRECEDING: 0x02;
    /** Set when other is following node. */
    readonly DOCUMENT_POSITION_FOLLOWING: 0x04;
    /** Set when other is an ancestor of node. */
    readonly DOCUMENT_POSITION_CONTAINS: 0x08;
    /** Set when other is a descendant of node. */
    readonly DOCUMENT_POSITION_CONTAINED_BY: 0x10;
    readonly DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: 0x20;
};

/**
 * The **`NodeIterator`** interface represents an iterator to traverse nodes of a DOM subtree in document order.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator)
 */
interface NodeIterator {
    /**
     * The **`NodeIterator.filter`** read-only property returns a NodeFilter object, that is an object which implements an acceptNode(node) method, used to screen nodes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/filter)
     */
    readonly filter: NodeFilter | null;
    /**
     * The **`NodeIterator.pointerBeforeReferenceNode`** read-only property returns a boolean flag that indicates whether the NodeFilter is anchored before (if this value is true) or after (if this value is false) the anchor node indicated by the NodeIterator.referenceNode property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/pointerBeforeReferenceNode)
     */
    readonly pointerBeforeReferenceNode: boolean;
    /**
     * The **`NodeIterator.referenceNode`** read-only property returns the Node to which the iterator is anchored; as new nodes are inserted, the iterator remains anchored to the reference node as specified by this property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/referenceNode)
     */
    readonly referenceNode: Node;
    /**
     * The **`NodeIterator.root`** read-only property represents the Node that is the root of what the NodeIterator traverses.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/root)
     */
    readonly root: Node;
    /**
     * The **`NodeIterator.whatToShow`** read-only property represents an unsigned integer representing a bitmask signifying what types of nodes should be returned by the NodeIterator.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/whatToShow)
     */
    readonly whatToShow: number;
    /**
     * The **`NodeIterator.detach()`** method is a no-op, kept for backward compatibility only.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/detach)
     */
    detach(): void;
    /**
     * The **`NodeIterator.nextNode()`** method returns the next node in the set represented by the NodeIterator and advances the position of the iterator within the set. The first call to nextNode() returns the first node in the set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/nextNode)
     */
    nextNode(): Node | null;
    /**
     * The **`NodeIterator.previousNode()`** method returns the previous node in the set represented by the NodeIterator and moves the position of the iterator backwards within the set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeIterator/previousNode)
     */
    previousNode(): Node | null;
}

declare var NodeIterator: {
    prototype: NodeIterator;
    new(): NodeIterator;
};

/**
 * **`NodeList`** objects are collections of nodes, usually returned by properties such as Node.childNodes and methods such as document.querySelectorAll().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeList)
 */
interface NodeList {
    /**
     * The **`NodeList.length`** property returns the number of items in a NodeList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeList/length)
     */
    readonly length: number;
    /**
     * Returns a node from a NodeList by index. This method doesn't throw exceptions as long as you provide arguments. A value of null is returned if the index is out of range, and a TypeError is thrown if no argument is provided.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/NodeList/item)
     */
    item(index: number): Node | null;
    forEach(callbackfn: (value: Node, key: number, parent: NodeList) => void, thisArg?: any): void;
    [index: number]: Node;
}

declare var NodeList: {
    prototype: NodeList;
    new(): NodeList;
};

interface NodeListOf<TNode extends Node> extends NodeList {
    item(index: number): TNode;
    forEach(callbackfn: (value: TNode, key: number, parent: NodeListOf<TNode>) => void, thisArg?: any): void;
    [index: number]: TNode;
}

interface NonDocumentTypeChildNode {
    /**
     * Returns the first following sibling that is an element, and null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/nextElementSibling)
     */
    readonly nextElementSibling: Element | null;
    /**
     * Returns the first preceding sibling that is an element, and null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/CharacterData/previousElementSibling)
     */
    readonly previousElementSibling: Element | null;
}

interface NonElementParentNode {
    /**
     * Returns the first element within node's descendants whose ID is elementId.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/getElementById)
     */
    getElementById(elementId: string): Element | null;
}

interface NotificationEventMap {
    "click": Event;
    "close": Event;
    "error": Event;
    "show": Event;
}

/**
 * The **`Notification`** interface of the Notifications API is used to configure and display desktop notifications to the user.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification)
 */
interface Notification extends EventTarget {
    /**
     * The **`body`** read-only property of the Notification interface indicates the body string of the notification, as specified in the body option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/body)
     */
    readonly body: string;
    /**
     * The **`data`** read-only property of the Notification interface returns a structured clone of the notification's data, as specified in the data option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/data)
     */
    readonly data: any;
    /**
     * The **`dir`** read-only property of the Notification interface indicates the text direction of the notification, as specified in the dir option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/dir)
     */
    readonly dir: NotificationDirection;
    /**
     * The **`icon`** read-only property of the Notification interface contains the URL of an icon to be displayed as part of the notification, as specified in the icon option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/icon)
     */
    readonly icon: string;
    /**
     * The **`lang`** read-only property of the Notification interface indicates the language used in the notification, as specified in the lang option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/lang)
     */
    readonly lang: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/click_event) */
    onclick: ((this: Notification, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/close_event) */
    onclose: ((this: Notification, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/error_event) */
    onerror: ((this: Notification, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/show_event) */
    onshow: ((this: Notification, ev: Event) => any) | null;
    /**
     * The **`requireInteraction`** read-only property of the Notification interface returns a boolean value indicating that a notification should remain active until the user clicks or dismisses it, rather than closing automatically.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/requireInteraction)
     */
    readonly requireInteraction: boolean;
    /**
     * The **`silent`** read-only property of the Notification interface specifies whether the notification should be silent, i.e., no sounds or vibrations should be issued regardless of the device settings. This is controlled via the silent option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/silent)
     */
    readonly silent: boolean | null;
    /**
     * The **`tag`** read-only property of the Notification interface signifies an identifying tag for the notification, as specified in the tag option of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/tag)
     */
    readonly tag: string;
    /**
     * The **`title`** read-only property of the Notification interface indicates the title of the notification, as specified in the title parameter of the Notification() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/title)
     */
    readonly title: string;
    /**
     * The **`close()`** method of the Notification interface is used to close/remove a previously displayed notification.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/close)
     */
    close(): void;
    addEventListener<K extends keyof NotificationEventMap>(type: K, listener: (this: Notification, ev: NotificationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof NotificationEventMap>(type: K, listener: (this: Notification, ev: NotificationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Notification: {
    prototype: Notification;
    new(title: string, options?: NotificationOptions): Notification;
    /**
     * The **`permission`** read-only static property of the Notification interface indicates the current permission granted by the user for the current origin to display web notifications.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/permission_static)
     */
    readonly permission: NotificationPermission;
    /**
     * The **`requestPermission()`** static method of the Notification interface requests permission from the user for the current origin to display notifications.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Notification/requestPermission_static)
     */
    requestPermission(deprecatedCallback?: NotificationPermissionCallback): Promise<NotificationPermission>;
};

/**
 * The **`OES_draw_buffers_indexed`** extension is part of the WebGL API and enables the use of different blend options when writing to multiple color buffers simultaneously.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed)
 */
interface OES_draw_buffers_indexed {
    /**
     * The **`blendEquationSeparateiOES()`** method of the OES_draw_buffers_indexed WebGL extension sets the RGB and alpha blend equations separately for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/blendEquationSeparateiOES)
     */
    blendEquationSeparateiOES(buf: GLuint, modeRGB: GLenum, modeAlpha: GLenum): void;
    /**
     * The **`blendEquationiOES()`** method of the OES_draw_buffers_indexed WebGL extension sets both the RGB blend and alpha blend equations for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/blendEquationiOES)
     */
    blendEquationiOES(buf: GLuint, mode: GLenum): void;
    /**
     * The **`blendFuncSeparateiOES()`** method of the OES_draw_buffers_indexed WebGL extension defines which function is used when blending pixels for RGB and alpha components separately for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/blendFuncSeparateiOES)
     */
    blendFuncSeparateiOES(buf: GLuint, srcRGB: GLenum, dstRGB: GLenum, srcAlpha: GLenum, dstAlpha: GLenum): void;
    /**
     * The **`blendFunciOES()`** method of the OES_draw_buffers_indexed WebGL extension defines which function is used when blending pixels for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/blendFunciOES)
     */
    blendFunciOES(buf: GLuint, src: GLenum, dst: GLenum): void;
    /**
     * The **`colorMaskiOES()`** method of the OES_draw_buffers_indexed WebGL extension sets which color components to enable or to disable when drawing or rendering for a particular draw buffer. It's the indexed version of WebGL 1's WebGLRenderingContext.colorMask() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/colorMaskiOES)
     */
    colorMaskiOES(buf: GLuint, r: GLboolean, g: GLboolean, b: GLboolean, a: GLboolean): void;
    /**
     * The **`disableiOES()`** method of the OES_draw_buffers_indexed WebGL extension enables blending for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/disableiOES)
     */
    disableiOES(target: GLenum, index: GLuint): void;
    /**
     * The **`enableiOES()`** method of the OES_draw_buffers_indexed WebGL extension enables blending for a particular draw buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_draw_buffers_indexed/enableiOES)
     */
    enableiOES(target: GLenum, index: GLuint): void;
}

/**
 * The **`OES_element_index_uint`** extension is part of the WebGL API and adds support for gl.UNSIGNED_INT types to WebGLRenderingContext.drawElements().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_element_index_uint)
 */
interface OES_element_index_uint {
}

/**
 * The **`OES_fbo_render_mipmap`** extension is part of the WebGL API and makes it possible to attach any level of a texture to a framebuffer object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_fbo_render_mipmap)
 */
interface OES_fbo_render_mipmap {
}

/**
 * The **`OES_standard_derivatives`** extension is part of the WebGL API and adds the GLSL derivative functions dFdx, dFdy, and fwidth.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_standard_derivatives)
 */
interface OES_standard_derivatives {
    readonly FRAGMENT_SHADER_DERIVATIVE_HINT_OES: 0x8B8B;
}

/**
 * The **`OES_texture_float`** extension is part of the WebGL API and exposes floating-point pixel types for textures.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_texture_float)
 */
interface OES_texture_float {
}

/**
 * The **`OES_texture_float_linear`** extension is part of the WebGL API and allows linear filtering with floating-point pixel types for textures.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_texture_float_linear)
 */
interface OES_texture_float_linear {
}

/**
 * The **`OES_texture_half_float`** extension is part of the WebGL API and adds texture formats with 16- (aka half float) and 32-bit floating-point components.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_texture_half_float)
 */
interface OES_texture_half_float {
    readonly HALF_FLOAT_OES: 0x8D61;
}

/**
 * The **`OES_texture_half_float_linear`** extension is part of the WebGL API and allows linear filtering with half floating-point pixel types for textures.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_texture_half_float_linear)
 */
interface OES_texture_half_float_linear {
}

/**
 * The **`OES_vertex_array_object`** extension is part of the WebGL API and provides vertex array objects (VAOs) which encapsulate vertex array states. These objects keep pointers to vertex data and provide names for different sets of vertex data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_vertex_array_object)
 */
interface OES_vertex_array_object {
    /**
     * The **`OES_vertex_array_object.bindVertexArrayOES()`** method of the WebGL API binds a passed WebGLVertexArrayObject object to the buffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_vertex_array_object/bindVertexArrayOES)
     */
    bindVertexArrayOES(arrayObject: WebGLVertexArrayObjectOES | null): void;
    /**
     * The **`OES_vertex_array_object.createVertexArrayOES()`** method of the WebGL API creates and initializes a WebGLVertexArrayObject object that represents a vertex array object (VAO) pointing to vertex array data and which provides names for different sets of vertex data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_vertex_array_object/createVertexArrayOES)
     */
    createVertexArrayOES(): WebGLVertexArrayObjectOES;
    /**
     * The **`OES_vertex_array_object.deleteVertexArrayOES()`** method of the WebGL API deletes a given WebGLVertexArrayObject object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_vertex_array_object/deleteVertexArrayOES)
     */
    deleteVertexArrayOES(arrayObject: WebGLVertexArrayObjectOES | null): void;
    /**
     * The **`OES_vertex_array_object.isVertexArrayOES()`** method of the WebGL API returns true if the passed object is a WebGLVertexArrayObject object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OES_vertex_array_object/isVertexArrayOES)
     */
    isVertexArrayOES(arrayObject: WebGLVertexArrayObjectOES | null): GLboolean;
    readonly VERTEX_ARRAY_BINDING_OES: 0x85B5;
}

/**
 * The **`OVR_multiview2`** extension is part of the WebGL API and adds support for rendering into multiple views simultaneously. This especially useful for virtual reality (VR) and WebXR.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OVR_multiview2)
 */
interface OVR_multiview2 {
    /**
     * The **`OVR_multiview2.framebufferTextureMultiviewOVR()`** method of the WebGL API attaches a multiview texture to a WebGLFramebuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OVR_multiview2/framebufferTextureMultiviewOVR)
     */
    framebufferTextureMultiviewOVR(target: GLenum, attachment: GLenum, texture: WebGLTexture | null, level: GLint, baseViewIndex: GLint, numViews: GLsizei): void;
    readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR: 0x9630;
    readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR: 0x9632;
    readonly MAX_VIEWS_OVR: 0x9631;
    readonly FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR: 0x9633;
}

/**
 * The Web Audio API **`OfflineAudioCompletionEvent`** interface represents events that occur when the processing of an OfflineAudioContext is terminated. The complete event uses this interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioCompletionEvent)
 */
interface OfflineAudioCompletionEvent extends Event {
    /**
     * The **`renderedBuffer`** read-only property of the OfflineAudioCompletionEvent interface is an AudioBuffer containing the result of processing an OfflineAudioContext.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioCompletionEvent/renderedBuffer)
     */
    readonly renderedBuffer: AudioBuffer;
}

declare var OfflineAudioCompletionEvent: {
    prototype: OfflineAudioCompletionEvent;
    new(type: string, eventInitDict: OfflineAudioCompletionEventInit): OfflineAudioCompletionEvent;
};

interface OfflineAudioContextEventMap extends BaseAudioContextEventMap {
    "complete": OfflineAudioCompletionEvent;
}

/**
 * The **`OfflineAudioContext`** interface is an AudioContext interface representing an audio-processing graph built from linked together AudioNodes. In contrast with a standard AudioContext, an OfflineAudioContext doesn't render the audio to the device hardware; instead, it generates it, as fast as it can, and outputs the result to an AudioBuffer.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext)
 */
interface OfflineAudioContext extends BaseAudioContext {
    /**
     * The **`length`** property of the OfflineAudioContext interface returns an integer representing the size of the buffer in sample-frames.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext/length)
     */
    readonly length: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext/complete_event) */
    oncomplete: ((this: OfflineAudioContext, ev: OfflineAudioCompletionEvent) => any) | null;
    /**
     * The **`resume()`** method of the OfflineAudioContext interface resumes the progression of time in an audio context that has been suspended. The promise resolves immediately because the OfflineAudioContext does not require the audio hardware.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext/resume)
     */
    resume(): Promise<void>;
    /**
     * The **`startRendering()`** method of the OfflineAudioContext Interface starts rendering the audio graph, taking into account the current connections and the current scheduled changes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext/startRendering)
     */
    startRendering(): Promise<AudioBuffer>;
    /**
     * The **`suspend()`** method of the OfflineAudioContext interface schedules a suspension of the time progression in the audio context at the specified time and returns a promise. This is generally useful at the time of manipulating the audio graph synchronously on OfflineAudioContext.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OfflineAudioContext/suspend)
     */
    suspend(suspendTime: number): Promise<void>;
    addEventListener<K extends keyof OfflineAudioContextEventMap>(type: K, listener: (this: OfflineAudioContext, ev: OfflineAudioContextEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof OfflineAudioContextEventMap>(type: K, listener: (this: OfflineAudioContext, ev: OfflineAudioContextEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var OfflineAudioContext: {
    prototype: OfflineAudioContext;
    new(contextOptions: OfflineAudioContextOptions): OfflineAudioContext;
    new(numberOfChannels: number, length: number, sampleRate: number): OfflineAudioContext;
};

interface OffscreenCanvasEventMap {
    "contextlost": Event;
    "contextrestored": Event;
}

/**
 * When using the <canvas> element or the Canvas API, rendering, animation, and user interaction usually happen on the main execution thread of a web application. The computation relating to canvas animations and rendering can have a significant impact on application performance.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas)
 */
interface OffscreenCanvas extends EventTarget {
    /**
     * The **`height`** property returns and sets the height of an OffscreenCanvas object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/height)
     */
    height: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/contextlost_event) */
    oncontextlost: ((this: OffscreenCanvas, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/contextrestored_event) */
    oncontextrestored: ((this: OffscreenCanvas, ev: Event) => any) | null;
    /**
     * The **`width`** property returns and sets the width of an OffscreenCanvas object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/width)
     */
    width: number;
    /**
     * The **`OffscreenCanvas.convertToBlob()`** method creates a Blob object representing the image contained in the canvas.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/convertToBlob)
     */
    convertToBlob(options?: ImageEncodeOptions): Promise<Blob>;
    /**
     * The **`OffscreenCanvas.getContext()`** method returns a drawing context for an offscreen canvas, or null if the context identifier is not supported, or the offscreen canvas has already been set to a different context mode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/getContext)
     */
    getContext(contextId: "2d", options?: any): OffscreenCanvasRenderingContext2D | null;
    getContext(contextId: "bitmaprenderer", options?: any): ImageBitmapRenderingContext | null;
    getContext(contextId: "webgl", options?: any): WebGLRenderingContext | null;
    getContext(contextId: "webgl2", options?: any): WebGL2RenderingContext | null;
    getContext(contextId: OffscreenRenderingContextId, options?: any): OffscreenRenderingContext | null;
    /**
     * The **`OffscreenCanvas.transferToImageBitmap()`** method creates an ImageBitmap object from the most recently rendered image of the OffscreenCanvas. The OffscreenCanvas allocates a new image for its subsequent rendering.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/transferToImageBitmap)
     */
    transferToImageBitmap(): ImageBitmap;
    addEventListener<K extends keyof OffscreenCanvasEventMap>(type: K, listener: (this: OffscreenCanvas, ev: OffscreenCanvasEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof OffscreenCanvasEventMap>(type: K, listener: (this: OffscreenCanvas, ev: OffscreenCanvasEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var OffscreenCanvas: {
    prototype: OffscreenCanvas;
    new(width: number, height: number): OffscreenCanvas;
};

/**
 * The **`OffscreenCanvasRenderingContext2D`** interface is a CanvasRenderingContext2D rendering context for drawing to the bitmap of an OffscreenCanvas object. It is similar to the CanvasRenderingContext2D object, with the following differences:
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvasRenderingContext2D)
 */
interface OffscreenCanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas) */
    readonly canvas: OffscreenCanvas;
}

declare var OffscreenCanvasRenderingContext2D: {
    prototype: OffscreenCanvasRenderingContext2D;
    new(): OffscreenCanvasRenderingContext2D;
};

/**
 * The **`OscillatorNode`** interface represents a periodic waveform, such as a sine wave. It is an AudioScheduledSourceNode audio-processing module that causes a specified frequency of a given wave to be created—in effect, a constant tone.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OscillatorNode)
 */
interface OscillatorNode extends AudioScheduledSourceNode {
    /**
     * The **`detune`** property of the OscillatorNode interface is an a-rate AudioParam representing detuning of oscillation in cents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OscillatorNode/detune)
     */
    readonly detune: AudioParam;
    /**
     * The **`frequency`** property of the OscillatorNode interface is an a-rate AudioParam representing the frequency of oscillation in hertz.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OscillatorNode/frequency)
     */
    readonly frequency: AudioParam;
    /**
     * The **`type`** property of the OscillatorNode interface specifies what shape of waveform the oscillator will output. There are several common waveforms available, as well as an option to specify a custom waveform shape. The shape of the waveform will affect the tone that is produced.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OscillatorNode/type)
     */
    type: OscillatorType;
    /**
     * The **`setPeriodicWave()`** method of the OscillatorNode interface is used to point to a PeriodicWave defining a periodic waveform that can be used to shape the oscillator's output, when type is custom.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OscillatorNode/setPeriodicWave)
     */
    setPeriodicWave(periodicWave: PeriodicWave): void;
    addEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: OscillatorNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AudioScheduledSourceNodeEventMap>(type: K, listener: (this: OscillatorNode, ev: AudioScheduledSourceNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var OscillatorNode: {
    prototype: OscillatorNode;
    new(context: BaseAudioContext, options?: OscillatorOptions): OscillatorNode;
};

/**
 * The **`OverconstrainedError`** interface of the Media Capture and Streams API indicates that the set of desired capabilities for the current MediaStreamTrack cannot currently be met. When this event is thrown on a MediaStreamTrack, it is muted until either the current constraints can be established or until satisfiable constraints are applied.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OverconstrainedError)
 */
interface OverconstrainedError extends DOMException {
    /**
     * The **`constraint`** read-only property of the OverconstrainedError interface returns the constraint that was supplied in the constructor, meaning the constraint that was not satisfied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/OverconstrainedError/constraint)
     */
    readonly constraint: string;
}

declare var OverconstrainedError: {
    prototype: OverconstrainedError;
    new(constraint: string, message?: string): OverconstrainedError;
};

/**
 * The **`PageRevealEvent`** event object is made available inside handler functions for the pagereveal event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageRevealEvent)
 */
interface PageRevealEvent extends Event {
    /**
     * The **`viewTransition`** read-only property of the PageRevealEvent interface contains a ViewTransition object representing the active view transition for the cross-document navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageRevealEvent/viewTransition)
     */
    readonly viewTransition: ViewTransition | null;
}

declare var PageRevealEvent: {
    prototype: PageRevealEvent;
    new(type: string, eventInitDict?: PageRevealEventInit): PageRevealEvent;
};

/**
 * The **`PageSwapEvent`** event object is made available inside handler functions for the pageswap event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageSwapEvent)
 */
interface PageSwapEvent extends Event {
    /**
     * The **`activation`** read-only property of the PageSwapEvent interface contains a NavigationActivation object containing the navigation type and current and destination document history entries for a same-origin navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageSwapEvent/activation)
     */
    readonly activation: NavigationActivation | null;
    /**
     * The **`viewTransition`** read-only property of the PageRevealEvent interface contains a ViewTransition object representing the active view transition for the cross-document navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageSwapEvent/viewTransition)
     */
    readonly viewTransition: ViewTransition | null;
}

declare var PageSwapEvent: {
    prototype: PageSwapEvent;
    new(type: string, eventInitDict?: PageSwapEventInit): PageSwapEvent;
};

/**
 * The **`PageTransitionEvent`** event object is available inside handler functions for the pageshow and pagehide events, fired when a document is being loaded or unloaded.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageTransitionEvent)
 */
interface PageTransitionEvent extends Event {
    /**
     * The **`persisted`** read-only property indicates if a webpage is loading from a cache.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PageTransitionEvent/persisted)
     */
    readonly persisted: boolean;
}

declare var PageTransitionEvent: {
    prototype: PageTransitionEvent;
    new(type: string, eventInitDict?: PageTransitionEventInit): PageTransitionEvent;
};

interface PaintTimingMixin {
    readonly paintTime: DOMHighResTimeStamp;
    readonly presentationTime: DOMHighResTimeStamp | null;
}

/**
 * The **`PannerNode`** interface defines an audio-processing object that represents the location, direction, and behavior of an audio source signal in a simulated physical space. This AudioNode uses right-hand Cartesian coordinates to describe the source's position as a vector and its orientation as a 3D directional cone.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode)
 */
interface PannerNode extends AudioNode {
    /**
     * The **`coneInnerAngle`** property of the PannerNode interface is a double value describing the angle, in degrees, of a cone inside of which there will be no volume reduction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/coneInnerAngle)
     */
    coneInnerAngle: number;
    /**
     * The **`coneOuterAngle`** property of the PannerNode interface is a double value describing the angle, in degrees, of a cone outside of which the volume will be reduced by a constant value, defined by the coneOuterGain property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/coneOuterAngle)
     */
    coneOuterAngle: number;
    /**
     * The **`coneOuterGain`** property of the PannerNode interface is a double value, describing the amount of volume reduction outside the cone, defined by the coneOuterAngle attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/coneOuterGain)
     */
    coneOuterGain: number;
    /**
     * The **`distanceModel`** property of the PannerNode interface is an enumerated value determining which algorithm to use to reduce the volume of the audio source as it moves away from the listener.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/distanceModel)
     */
    distanceModel: DistanceModelType;
    /**
     * The **`maxDistance`** property of the PannerNode interface is a double value representing the maximum distance between the audio source and the listener, after which the volume is not reduced any further. This value is used only by the linear distance model.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/maxDistance)
     */
    maxDistance: number;
    /**
     * The **`orientationX`** property of the PannerNode interface indicates the X (horizontal) component of the direction in which the audio source is facing, in a 3D Cartesian coordinate space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/orientationX)
     */
    readonly orientationX: AudioParam;
    /**
     * The **`orientationY`** property of the PannerNode interface indicates the Y (vertical) component of the direction the audio source is facing, in 3D Cartesian coordinate space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/orientationY)
     */
    readonly orientationY: AudioParam;
    /**
     * The **`orientationZ`** property of the PannerNode interface indicates the Z (depth) component of the direction the audio source is facing, in 3D Cartesian coordinate space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/orientationZ)
     */
    readonly orientationZ: AudioParam;
    /**
     * The **`panningModel`** property of the PannerNode interface is an enumerated value determining which spatialization algorithm to use to position the audio in 3D space.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/panningModel)
     */
    panningModel: PanningModelType;
    /**
     * The **`positionX`** property of the PannerNode interface specifies the X coordinate of the audio source's position in 3D Cartesian coordinates, corresponding to the horizontal axis (left-right).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/positionX)
     */
    readonly positionX: AudioParam;
    /**
     * The **`positionY`** property of the PannerNode interface specifies the Y coordinate of the audio source's position in 3D Cartesian coordinates, corresponding to the vertical axis (top-bottom). The complete vector is defined by the position of the audio source, given as (positionX, positionY, positionZ), and the orientation of the audio source (that is, the direction in which it's facing), given as (orientationX, orientationY, orientationZ).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/positionY)
     */
    readonly positionY: AudioParam;
    /**
     * The **`positionZ`** property of the PannerNode interface specifies the Z coordinate of the audio source's position in 3D Cartesian coordinates, corresponding to the depth axis (behind-in front of the listener). The complete vector is defined by the position of the audio source, given as (positionX, positionY, positionZ), and the orientation of the audio source (that is, the direction in which it's facing), given as (orientationX, orientationY, orientationZ).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/positionZ)
     */
    readonly positionZ: AudioParam;
    /**
     * The **`refDistance`** property of the PannerNode interface is a double value representing the reference distance for reducing volume as the audio source moves further from the listener – i.e., the distance at which the volume reduction starts taking effect. This value is used by all distance models.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/refDistance)
     */
    refDistance: number;
    /**
     * The **`rolloffFactor`** property of the PannerNode interface is a double value describing how quickly the volume is reduced as the source moves away from the listener. This value is used by all distance models. The rolloffFactor property's default value is 1.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/rolloffFactor)
     */
    rolloffFactor: number;
    /**
     * The **`setOrientation()`** method of the PannerNode Interface defines the direction the audio source is playing in.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/setOrientation)
     */
    setOrientation(x: number, y: number, z: number): void;
    /**
     * The **`setPosition()`** method of the PannerNode Interface defines the position of the audio source relative to the listener (represented by an AudioListener object stored in the BaseAudioContext.listener attribute.) The three parameters x, y and z are unitless and describe the source's position in 3D space using the right-hand Cartesian coordinate system.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PannerNode/setPosition)
     */
    setPosition(x: number, y: number, z: number): void;
}

declare var PannerNode: {
    prototype: PannerNode;
    new(context: BaseAudioContext, options?: PannerOptions): PannerNode;
};

interface ParentNode extends Node {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/childElementCount) */
    readonly childElementCount: number;
    /**
     * Returns the child elements.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/children)
     */
    readonly children: HTMLCollection;
    /**
     * Returns the first child that is an element, and null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/firstElementChild)
     */
    readonly firstElementChild: Element | null;
    /**
     * Returns the last child that is an element, and null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/lastElementChild)
     */
    readonly lastElementChild: Element | null;
    /**
     * Inserts nodes after the last child of node, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/append)
     */
    append(...nodes: (Node | string)[]): void;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/moveBefore) */
    moveBefore(node: Node, child: Node | null): void;
    /**
     * Inserts nodes before the first child of node, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/prepend)
     */
    prepend(...nodes: (Node | string)[]): void;
    /**
     * Returns the first element that is a descendant of node that matches selectors.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/querySelector)
     */
    querySelector<K extends keyof HTMLElementTagNameMap>(selectors: K): HTMLElementTagNameMap[K] | null;
    querySelector<K extends keyof SVGElementTagNameMap>(selectors: K): SVGElementTagNameMap[K] | null;
    querySelector<K extends keyof MathMLElementTagNameMap>(selectors: K): MathMLElementTagNameMap[K] | null;
    /** @deprecated */
    querySelector<K extends keyof HTMLElementDeprecatedTagNameMap>(selectors: K): HTMLElementDeprecatedTagNameMap[K] | null;
    querySelector<E extends Element = Element>(selectors: string): E | null;
    /**
     * Returns all element descendants of node that match selectors.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/querySelectorAll)
     */
    querySelectorAll<K extends keyof HTMLElementTagNameMap>(selectors: K): NodeListOf<HTMLElementTagNameMap[K]>;
    querySelectorAll<K extends keyof SVGElementTagNameMap>(selectors: K): NodeListOf<SVGElementTagNameMap[K]>;
    querySelectorAll<K extends keyof MathMLElementTagNameMap>(selectors: K): NodeListOf<MathMLElementTagNameMap[K]>;
    /** @deprecated */
    querySelectorAll<K extends keyof HTMLElementDeprecatedTagNameMap>(selectors: K): NodeListOf<HTMLElementDeprecatedTagNameMap[K]>;
    querySelectorAll<E extends Element = Element>(selectors: string): NodeListOf<E>;
    /**
     * Replace all children of node with nodes, while replacing strings in nodes with equivalent Text nodes.
     *
     * Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/replaceChildren)
     */
    replaceChildren(...nodes: (Node | string)[]): void;
}

/**
 * The **`Path2D`** interface of the Canvas 2D API is used to declare a path that can then be used on a CanvasRenderingContext2D object. The path methods of the CanvasRenderingContext2D interface are also present on this interface, which gives you the convenience of being able to retain and replay your path whenever desired.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Path2D)
 */
interface Path2D extends CanvasPath {
    /**
     * The **`Path2D.addPath()`** method of the Canvas 2D API adds one Path2D object to another Path2D object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Path2D/addPath)
     */
    addPath(path: Path2D, transform?: DOMMatrix2DInit): void;
}

declare var Path2D: {
    prototype: Path2D;
    new(path?: Path2D | string): Path2D;
};

/**
 * The **`ContactAddress`** interface of the Contact Picker API represents a physical address. Instances of this interface are retrieved from the address property of the objects returned by ContactsManager.getProperties().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress)
 */
interface PaymentAddress {
    /**
     * The **`addressLine`** read-only property of the ContactAddress interface is an array of strings, each specifying a line of the address that is not covered by one of the other properties of ContactAddress. The array may include the street name, the house number, apartment number, the rural delivery route, descriptive instructions, or the post office box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/addressLine)
     */
    readonly addressLine: ReadonlyArray<string>;
    /**
     * The **`city`** read-only property of the ContactAddress interface returns a string containing the city or town portion of the address.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/city)
     */
    readonly city: string;
    /**
     * The **`country`** read-only property of the ContactAddress interface is a string identifying the address's country using the ISO 3166-1 alpha-2 standard. The string is always in its canonical upper-case form.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/country)
     */
    readonly country: string;
    /**
     * The read-only **`dependentLocality`** property of the ContactAddress interface is a string containing a locality or sublocality designation within a city, such as a neighborhood, borough, district, or, in the United Kingdom, a dependent locality. Also known as a post town.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/dependentLocality)
     */
    readonly dependentLocality: string;
    /**
     * The **`organization`** read-only property of the ContactAddress interface returns a string containing the name of the organization, firm, company, or institution at the address.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/organization)
     */
    readonly organization: string;
    /**
     * The read-only **`phone`** property of the ContactAddress interface returns a string containing the telephone number of the recipient or contact person at the address.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/phone)
     */
    readonly phone: string;
    /**
     * The **`postalCode`** read-only property of the ContactAddress interface returns a string containing a code used by a jurisdiction for mail routing, for example, the ZIP Code in the United States or the Postal Index Number (PIN code) in India.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/postalCode)
     */
    readonly postalCode: string;
    /**
     * The read-only **`recipient`** property of the ContactAddress interface returns a string containing the name of the recipient, purchaser, or contact person at the address.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/recipient)
     */
    readonly recipient: string;
    /**
     * The read-only **`region`** property of the ContactAddress interface returns a string containing the top-level administrative subdivision of the country in which the address is located. This may be a state, province, oblast, or prefecture.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/region)
     */
    readonly region: string;
    /**
     * The **`sortingCode`** read-only property of the ContactAddress interface returns a string containing a postal sorting code such as is used in France.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/sortingCode)
     */
    readonly sortingCode: string;
    /**
     * The **`toJSON()`** method of the ContactAddress interface is a standard serializer that returns a JSON representation of the ContactAddress object's properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/toJSON)
     */
    toJSON(): any;
}

declare var PaymentAddress: {
    prototype: PaymentAddress;
    new(): PaymentAddress;
};

/**
 * The **`PaymentMethodChangeEvent`** interface of the Payment Request API describes the paymentmethodchange event which is fired by some payment handlers when the user switches payment instruments (e.g., a user selects a "store" card to make a purchase while using Apple Pay).
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent)
 */
interface PaymentMethodChangeEvent extends PaymentRequestUpdateEvent {
    /**
     * The read-only **`methodDetails`** property of the PaymentMethodChangeEvent interface is an object containing any data the payment handler may provide to describe the change the user has made to their payment method. The value is null if no details are available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails)
     */
    readonly methodDetails: any;
    /**
     * The read-only **`methodName`** property of the PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodName)
     */
    readonly methodName: string;
}

declare var PaymentMethodChangeEvent: {
    prototype: PaymentMethodChangeEvent;
    new(type: string, eventInitDict?: PaymentMethodChangeEventInit): PaymentMethodChangeEvent;
};

interface PaymentRequestEventMap {
    "paymentmethodchange": PaymentMethodChangeEvent;
    "shippingaddresschange": PaymentRequestUpdateEvent;
    "shippingoptionchange": PaymentRequestUpdateEvent;
}

/**
 * The Payment Request API's **`PaymentRequest`** interface is the primary access point into the API, and lets web content and apps accept payments from the end user on behalf of the operator of the site or the publisher of the app.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest)
 */
interface PaymentRequest extends EventTarget {
    /**
     * The **`id`** read-only attribute of the PaymentRequest interface returns a unique identifier for a particular PaymentRequest instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/id)
     */
    readonly id: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/paymentmethodchange_event) */
    onpaymentmethodchange: ((this: PaymentRequest, ev: PaymentMethodChangeEvent) => any) | null;
    /**
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/shippingaddresschange_event)
     */
    onshippingaddresschange: ((this: PaymentRequest, ev: PaymentRequestUpdateEvent) => any) | null;
    /**
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/shippingoptionchange_event)
     */
    onshippingoptionchange: ((this: PaymentRequest, ev: PaymentRequestUpdateEvent) => any) | null;
    /**
     * The **`shippingAddress`** read-only property of the PaymentRequest interface returns the shipping address provided by the user. It is null by default.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/shippingAddress)
     */
    readonly shippingAddress: PaymentAddress | null;
    /**
     * The **`shippingOption`** read-only attribute of the PaymentRequest interface returns either the id of a selected shipping option, null (if no shipping option was set to be selected) or a shipping option selected by the user. It is initially null by when no "selected" shipping options are provided.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/shippingOption)
     */
    readonly shippingOption: string | null;
    /**
     * The **`shippingType`** read-only property of the PaymentRequest interface returns one of "shipping", "delivery", "pickup", or null if one was not provided by the constructor.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/shippingType)
     */
    readonly shippingType: PaymentShippingType | null;
    /**
     * The **`PaymentRequest.abort()`** method of the PaymentRequest interface causes the user agent to end the payment request and to remove any user interface that might be shown.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/abort)
     */
    abort(): Promise<void>;
    /**
     * The PaymentRequest method **`canMakePayment()`** determines whether or not the request is configured in a way that is compatible with at least one payment method supported by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/canMakePayment)
     */
    canMakePayment(): Promise<boolean>;
    /**
     * The PaymentRequest interface's **`show()`** method instructs the user agent to begin the process of showing and handling the user interface for the payment request to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequest/show)
     */
    show(detailsPromise?: PaymentDetailsUpdate | PromiseLike<PaymentDetailsUpdate>): Promise<PaymentResponse>;
    addEventListener<K extends keyof PaymentRequestEventMap>(type: K, listener: (this: PaymentRequest, ev: PaymentRequestEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PaymentRequestEventMap>(type: K, listener: (this: PaymentRequest, ev: PaymentRequestEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var PaymentRequest: {
    prototype: PaymentRequest;
    new(methodData: PaymentMethodData[], details: PaymentDetailsInit, options?: PaymentOptions): PaymentRequest;
};

/**
 * The **`PaymentRequestUpdateEvent`** interface is used for events sent to a PaymentRequest instance when changes are made to shipping-related information for a pending PaymentRequest. Those events are:
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequestUpdateEvent)
 */
interface PaymentRequestUpdateEvent extends Event {
    /**
     * The **`updateWith()`** method of the PaymentRequestUpdateEvent interface updates the details of an existing PaymentRequest.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentRequestUpdateEvent/updateWith)
     */
    updateWith(detailsPromise: PaymentDetailsUpdate | PromiseLike<PaymentDetailsUpdate>): void;
}

declare var PaymentRequestUpdateEvent: {
    prototype: PaymentRequestUpdateEvent;
    new(type: string, eventInitDict?: PaymentRequestUpdateEventInit): PaymentRequestUpdateEvent;
};

interface PaymentResponseEventMap {
    "payerdetailchange": PaymentRequestUpdateEvent;
}

/**
 * The **`PaymentResponse`** interface of the Payment Request API is returned after a user selects a payment method and approves a payment request.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse)
 */
interface PaymentResponse extends EventTarget {
    /**
     * The **`details`** read-only property of the PaymentResponse interface returns a JSON-serializable object that provides a payment method specific message used by the merchant to process the transaction and determine a successful funds transfer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/details)
     */
    readonly details: any;
    /**
     * The **`methodName`** read-only property of the PaymentResponse interface returns a string uniquely identifying the payment handler selected by the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/methodName)
     */
    readonly methodName: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/payerdetailchange_event) */
    onpayerdetailchange: ((this: PaymentResponse, ev: PaymentRequestUpdateEvent) => any) | null;
    /**
     * The **`payerEmail`** read-only property of the PaymentResponse interface returns the email address supplied by the user. This option is only present when the requestPayerEmail option is set to true in the options object passed to the PaymentRequest constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/payerEmail)
     */
    readonly payerEmail: string | null;
    /**
     * The **`payerName`** read-only property of the PaymentResponse interface returns the name supplied by the user. This option is only present when the requestPayerName option is set to true in the options parameter of the PaymentRequest() constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/payerName)
     */
    readonly payerName: string | null;
    /**
     * The **`payerPhone`** read-only property of the PaymentResponse interface returns the phone number supplied by the user. This option is only present when the requestPayerPhone option is set to true in the options object passed to the PaymentRequest constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/payerPhone)
     */
    readonly payerPhone: string | null;
    /**
     * The **`requestId`** read-only property of the PaymentResponse interface returns the free-form identifier supplied by the PaymentResponse() constructor by details.id.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/requestId)
     */
    readonly requestId: string;
    /**
     * The **`shippingAddress`** read-only property of the PaymentRequest interface returns a PaymentAddress object containing the shipping address provided by the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/shippingAddress)
     */
    readonly shippingAddress: PaymentAddress | null;
    /**
     * The **`shippingOption`** read-only property of the PaymentRequest interface returns the ID attribute of the shipping option selected by the user. This option is only present when the requestShipping option is set to true in the options object passed to the PaymentRequest constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/shippingOption)
     */
    readonly shippingOption: string | null;
    /**
     * The PaymentRequest method **`complete()`** of the Payment Request API notifies the user agent that the user interaction is over, and causes any remaining user interface to be closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/complete)
     */
    complete(result?: PaymentComplete): Promise<void>;
    /**
     * The PaymentResponse interface's **`retry()`** method makes it possible to ask the user to retry a payment after an error occurs during processing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/retry)
     */
    retry(errorFields?: PaymentValidationErrors): Promise<void>;
    /**
     * The **`toJSON()`** method of the PaymentResponse interface is a serializer; it returns a JSON representation of the PaymentResponse object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/toJSON)
     */
    toJSON(): any;
    addEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var PaymentResponse: {
    prototype: PaymentResponse;
    new(): PaymentResponse;
};

interface PerformanceEventMap {
    "resourcetimingbufferfull": Event;
}

/**
 * The **`Performance`** interface provides access to performance-related information for the current page.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance)
 */
interface Performance extends EventTarget {
    /**
     * The read-only **`performance.eventCounts`** property is an EventCounts map containing the number of events which have been dispatched per event type since the page was loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/eventCounts)
     */
    readonly eventCounts: EventCounts;
    /**
     * The read-only **`performance.interactionCount`** property represents the number of real-user interactions that have occurred on the page since it was loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/interactionCount)
     */
    readonly interactionCount: number;
    /**
     * The legacy **`Performance.navigation`** read-only property returns a PerformanceNavigation object representing the type of navigation that occurs in the given browsing context, such as the number of redirections needed to fetch the resource.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/navigation)
     */
    readonly navigation: PerformanceNavigation;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/resourcetimingbufferfull_event) */
    onresourcetimingbufferfull: ((this: Performance, ev: Event) => any) | null;
    /**
     * The **`timeOrigin`** read-only property of the Performance interface returns the high resolution timestamp that is used as the baseline for performance-related timestamps.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/timeOrigin)
     */
    readonly timeOrigin: DOMHighResTimeStamp;
    /**
     * The legacy **`Performance.timing`** read-only property returns a PerformanceTiming object containing latency-related performance information.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/timing)
     */
    readonly timing: PerformanceTiming;
    /**
     * The **`clearMarks()`** method removes all or specific PerformanceMark objects from the browser's performance timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/clearMarks)
     */
    clearMarks(markName?: string): void;
    /**
     * The **`clearMeasures()`** method removes all or specific PerformanceMeasure objects from the browser's performance timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/clearMeasures)
     */
    clearMeasures(measureName?: string): void;
    /**
     * The **`clearResourceTimings()`** method removes all performance entries with an entryType of "resource" from the browser's performance timeline and sets the size of the performance resource data buffer to zero.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/clearResourceTimings)
     */
    clearResourceTimings(): void;
    /**
     * The **`getEntries()`** method returns an array of all PerformanceEntry objects currently present in the performance timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/getEntries)
     */
    getEntries(): PerformanceEntryList;
    /**
     * The **`getEntriesByName()`** method returns an array of PerformanceEntry objects currently present in the performance timeline with the given name and type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/getEntriesByName)
     */
    getEntriesByName(name: string, type?: string): PerformanceEntryList;
    /**
     * The **`getEntriesByType()`** method returns an array of PerformanceEntry objects currently present in the performance timeline for a given type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/getEntriesByType)
     */
    getEntriesByType(type: string): PerformanceEntryList;
    /**
     * The **`mark()`** method creates a named PerformanceMark object representing a high resolution timestamp marker in the browser's performance timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/mark)
     */
    mark(markName: string, markOptions?: PerformanceMarkOptions): PerformanceMark;
    /**
     * The **`measure()`** method creates a named PerformanceMeasure object representing a time measurement between two marks in the browser's performance timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/measure)
     */
    measure(measureName: string, startOrMeasureOptions?: string | PerformanceMeasureOptions, endMark?: string): PerformanceMeasure;
    /**
     * The **`performance.now()`** method returns a high resolution timestamp in milliseconds. It represents the time elapsed since Performance.timeOrigin (the time when navigation has started in window contexts, or the time when the worker is run in Worker and ServiceWorker contexts).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/now)
     */
    now(): DOMHighResTimeStamp;
    /**
     * The **`setResourceTimingBufferSize()`** method sets the desired size of the browser's resource timing buffer which stores the "resource" performance entries.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/setResourceTimingBufferSize)
     */
    setResourceTimingBufferSize(maxSize: number): void;
    /**
     * The **`toJSON()`** method of the Performance interface is a serializer; it returns a JSON representation of the Performance object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
     */
    toJSON(): any;
    addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Performance: {
    prototype: Performance;
    new(): Performance;
};

/**
 * The **`PerformanceEntry`** object encapsulates a single performance metric that is part of the browser's performance timeline.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry)
 */
interface PerformanceEntry {
    /**
     * The read-only **`duration`** property returns a timestamp that is the duration of the performance entry. The meaning of this property depends on the value of this entry's entryType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/duration)
     */
    readonly duration: DOMHighResTimeStamp;
    /**
     * The read-only **`entryType`** property returns a string representing the type of performance metric that this entry represents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/entryType)
     */
    readonly entryType: string;
    /**
     * The read-only **`name`** property of the PerformanceEntry interface is a string representing the name for a performance entry. It acts as an identifier, but it does not have to be unique. The value depends on the subclass.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/name)
     */
    readonly name: string;
    /**
     * The read-only **`startTime`** property returns the first timestamp recorded for this PerformanceEntry. The meaning of this property depends on the value of this entry's entryType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/startTime)
     */
    readonly startTime: DOMHighResTimeStamp;
    /**
     * The **`toJSON()`** method is a serializer; it returns a JSON representation of the PerformanceEntry object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
     */
    toJSON(): any;
}

declare var PerformanceEntry: {
    prototype: PerformanceEntry;
    new(): PerformanceEntry;
};

/**
 * The **`PerformanceEventTiming`** interface of the Event Timing API provides insights into the latency of certain event types triggered by user interaction.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming)
 */
interface PerformanceEventTiming extends PerformanceEntry {
    /**
     * The read-only **`cancelable`** property returns the associated event's cancelable property, indicating whether the event can be canceled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/cancelable)
     */
    readonly cancelable: boolean;
    /**
     * The read-only **`interactionId`** property of the PerformanceEventTiming interface returns an ID that uniquely identifies a user interaction which triggered a series of associated events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/interactionId)
     */
    readonly interactionId: number;
    /**
     * The read-only **`processingEnd`** property returns the time the last event handler finished executing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/processingEnd)
     */
    readonly processingEnd: DOMHighResTimeStamp;
    /**
     * The read-only **`processingStart`** property returns the time at which event dispatch started. This is when event handlers are about to be executed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/processingStart)
     */
    readonly processingStart: DOMHighResTimeStamp;
    /**
     * The read-only **`target`** property returns the associated event's last target which is the node onto which the event was last dispatched.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/target)
     */
    readonly target: Node | null;
    /**
     * The **`toJSON()`** method of the PerformanceEventTiming interface is a serializer; it returns a JSON representation of the PerformanceEventTiming object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/toJSON)
     */
    toJSON(): any;
}

declare var PerformanceEventTiming: {
    prototype: PerformanceEventTiming;
    new(): PerformanceEventTiming;
};

/**
 * **`PerformanceMark`** is an interface for PerformanceEntry objects with an entryType of "mark".
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceMark)
 */
interface PerformanceMark extends PerformanceEntry {
    /**
     * The read-only **`detail`** property returns arbitrary metadata that was included in the mark upon construction (either when using performance.mark() or the PerformanceMark() constructor).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceMark/detail)
     */
    readonly detail: any;
}

declare var PerformanceMark: {
    prototype: PerformanceMark;
    new(markName: string, markOptions?: PerformanceMarkOptions): PerformanceMark;
};

/**
 * **`PerformanceMeasure`** is an abstract interface for PerformanceEntry objects with an entryType of "measure". Entries of this type are created by calling performance.measure() to add a named DOMHighResTimeStamp (the measure) between two marks to the browser's performance timeline.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceMeasure)
 */
interface PerformanceMeasure extends PerformanceEntry {
    /**
     * The read-only **`detail`** property returns arbitrary metadata that was included in the mark upon construction (when using performance.measure().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceMeasure/detail)
     */
    readonly detail: any;
}

declare var PerformanceMeasure: {
    prototype: PerformanceMeasure;
    new(): PerformanceMeasure;
};

/**
 * The legacy **`PerformanceNavigation`** interface represents information about how the navigation to the current document was done.
 * @deprecated This interface is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation)
 */
interface PerformanceNavigation {
    /**
     * The legacy **`PerformanceNavigation.redirectCount`** read-only property returns an unsigned short representing the number of REDIRECTs done before reaching the page.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/redirectCount)
     */
    readonly redirectCount: number;
    /**
     * The legacy **`PerformanceNavigation.type`** read-only property returns an unsigned short containing a constant describing how the navigation to this page was done.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/type)
     */
    readonly type: number;
    /**
     * The **`toJSON()`** method of the PerformanceNavigation interface is a serializer; it returns a JSON representation of the PerformanceNavigation object.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON)
     */
    toJSON(): any;
    readonly TYPE_NAVIGATE: 0;
    readonly TYPE_RELOAD: 1;
    readonly TYPE_BACK_FORWARD: 2;
    readonly TYPE_RESERVED: 255;
}

/** @deprecated */
declare var PerformanceNavigation: {
    prototype: PerformanceNavigation;
    new(): PerformanceNavigation;
    readonly TYPE_NAVIGATE: 0;
    readonly TYPE_RELOAD: 1;
    readonly TYPE_BACK_FORWARD: 2;
    readonly TYPE_RESERVED: 255;
};

/**
 * The **`PerformanceNavigationTiming`** interface provides methods and properties to store and retrieve metrics regarding the browser's document navigation events. For example, this interface can be used to determine how much time it takes to load or unload a document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming)
 */
interface PerformanceNavigationTiming extends PerformanceResourceTiming {
    /**
     * The **`domComplete`** read-only property returns a DOMHighResTimeStamp representing the time immediately before the user agent sets the document's readyState to "complete".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/domComplete)
     */
    readonly domComplete: DOMHighResTimeStamp;
    /**
     * The **`domContentLoadedEventEnd`** read-only property returns a DOMHighResTimeStamp representing the time immediately after the current document's DOMContentLoaded event handler completes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/domContentLoadedEventEnd)
     */
    readonly domContentLoadedEventEnd: DOMHighResTimeStamp;
    /**
     * The **`domContentLoadedEventStart`** read-only property returns a DOMHighResTimeStamp representing the time immediately before the current document's DOMContentLoaded event handler starts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/domContentLoadedEventStart)
     */
    readonly domContentLoadedEventStart: DOMHighResTimeStamp;
    /**
     * The **`domInteractive`** read-only property returns a DOMHighResTimeStamp representing the time immediately before the user agent sets the document's readyState to "interactive".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/domInteractive)
     */
    readonly domInteractive: DOMHighResTimeStamp;
    /**
     * The **`loadEventEnd`** read-only property returns a DOMHighResTimeStamp representing the time immediately after the current document's load event handler completes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/loadEventEnd)
     */
    readonly loadEventEnd: DOMHighResTimeStamp;
    /**
     * The **`loadEventStart`** read-only property returns a DOMHighResTimeStamp representing the time immediately before the current document's load event handler starts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/loadEventStart)
     */
    readonly loadEventStart: DOMHighResTimeStamp;
    /**
     * The **`redirectCount`** read-only property returns a number representing the number of redirects since the last non-redirect navigation in the current browsing context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/redirectCount)
     */
    readonly redirectCount: number;
    /**
     * The **`type`** read-only property returns the type of navigation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/type)
     */
    readonly type: NavigationTimingType;
    /**
     * The **`unloadEventEnd`** read-only property returns a DOMHighResTimeStamp representing the time immediately after the previous document's unload event handler completes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/unloadEventEnd)
     */
    readonly unloadEventEnd: DOMHighResTimeStamp;
    /**
     * The **`unloadEventStart`** read-only property returns a DOMHighResTimeStamp representing the time immediately before the previous document's unload event handler starts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/unloadEventStart)
     */
    readonly unloadEventStart: DOMHighResTimeStamp;
    /**
     * The **`toJSON()`** method of the PerformanceNavigationTiming interface is a serializer; it returns a JSON representation of the PerformanceNavigationTiming object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/toJSON)
     */
    toJSON(): any;
}

declare var PerformanceNavigationTiming: {
    prototype: PerformanceNavigationTiming;
    new(): PerformanceNavigationTiming;
};

/**
 * The **`PerformanceObserver`** interface is used to observe performance measurement events and be notified of new performance entries as they are recorded in the browser's performance timeline.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserver)
 */
interface PerformanceObserver {
    /**
     * The **`disconnect()`** method of the PerformanceObserver interface is used to stop the performance observer from receiving any performance entry events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserver/disconnect)
     */
    disconnect(): void;
    /**
     * The **`observe()`** method of the PerformanceObserver interface is used to specify the set of performance entry types to observe.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserver/observe)
     */
    observe(options?: PerformanceObserverInit): void;
    /**
     * The **`takeRecords()`** method of the PerformanceObserver interface returns the current list of PerformanceEntry objects stored in the performance observer, emptying it out.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserver/takeRecords)
     */
    takeRecords(): PerformanceEntryList;
}

declare var PerformanceObserver: {
    prototype: PerformanceObserver;
    new(callback: PerformanceObserverCallback): PerformanceObserver;
    /**
     * The static **`supportedEntryTypes`** read-only property of the PerformanceObserver interface returns an array of the entryType values supported by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserver/supportedEntryTypes_static)
     */
    readonly supportedEntryTypes: ReadonlyArray<string>;
};

/**
 * The **`PerformanceObserverEntryList`** interface is a list of performance events that were explicitly observed via the observe() method.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserverEntryList)
 */
interface PerformanceObserverEntryList {
    /**
     * The **`getEntries()`** method of the PerformanceObserverEntryList interface returns a list of explicitly observed performance entry objects. The list's members are determined by the set of entry types specified in the call to the observe() method. The list is available in the observer's callback function (as the first parameter in the callback).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserverEntryList/getEntries)
     */
    getEntries(): PerformanceEntryList;
    /**
     * The **`getEntriesByName()`** method of the PerformanceObserverEntryList interface returns a list of explicitly observed PerformanceEntry objects for a given name and entryType. The list's members are determined by the set of entry types specified in the call to the observe() method. The list is available in the observer's callback function (as the first parameter in the callback).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserverEntryList/getEntriesByName)
     */
    getEntriesByName(name: string, type?: string): PerformanceEntryList;
    /**
     * The **`getEntriesByType()`** method of the PerformanceObserverEntryList returns a list of explicitly observed performance entry objects for a given performance entry type. The list's members are determined by the set of entry types specified in the call to the observe() method. The list is available in the observer's callback function (as the first parameter in the callback).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceObserverEntryList/getEntriesByType)
     */
    getEntriesByType(type: string): PerformanceEntryList;
}

declare var PerformanceObserverEntryList: {
    prototype: PerformanceObserverEntryList;
    new(): PerformanceObserverEntryList;
};

/**
 * The **`PerformancePaintTiming`** interface provides timing information about "paint" (also called "render") operations during web page construction. "Paint" refers to conversion of the render tree to on-screen pixels.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming)
 */
interface PerformancePaintTiming extends PerformanceEntry, PaintTimingMixin {
    /**
     * The **`toJSON()`** method of the PerformancePaintTiming interface is a serializer; it returns a JSON representation of the PerformancePaintTiming object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming/toJSON)
     */
    toJSON(): any;
}

declare var PerformancePaintTiming: {
    prototype: PerformancePaintTiming;
    new(): PerformancePaintTiming;
};

/**
 * The **`PerformanceResourceTiming`** interface enables retrieval and analysis of detailed network timing data regarding the loading of an application's resources. An application can use the timing metrics to determine, for example, the length of time it takes to fetch a specific resource, such as an XMLHttpRequest, <SVG>, image, or script.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming)
 */
interface PerformanceResourceTiming extends PerformanceEntry {
    /**
     * The **`connectEnd`** read-only property returns the timestamp immediately after the browser finishes establishing the connection to the server to retrieve the resource. The timestamp value includes the time interval to establish the transport connection, as well as other time intervals such as TLS handshake and SOCKS authentication.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/connectEnd)
     */
    readonly connectEnd: DOMHighResTimeStamp;
    /**
     * The **`connectStart`** read-only property returns the timestamp immediately before the user agent starts establishing the connection to the server to retrieve the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/connectStart)
     */
    readonly connectStart: DOMHighResTimeStamp;
    /**
     * The **`decodedBodySize`** read-only property returns the size (in octets) received from the fetch (HTTP or cache) of the message body after removing any applied content encoding (like gzip or Brotli). If the resource is retrieved from an application cache or local resources, it returns the size of the payload after removing any applied content encoding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/decodedBodySize)
     */
    readonly decodedBodySize: number;
    /**
     * The **`domainLookupEnd`** read-only property returns the timestamp immediately after the browser finishes the domain-name lookup for the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/domainLookupEnd)
     */
    readonly domainLookupEnd: DOMHighResTimeStamp;
    /**
     * The **`domainLookupStart`** read-only property returns the timestamp immediately before the browser starts the domain name lookup for the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/domainLookupStart)
     */
    readonly domainLookupStart: DOMHighResTimeStamp;
    /**
     * The **`encodedBodySize`** read-only property represents the size (in octets) received from the fetch (HTTP or cache) of the payload body before removing any applied content encodings (like gzip or Brotli). If the resource is retrieved from an application cache or a local resource, it must return the size of the payload body before removing any applied content encoding.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/encodedBodySize)
     */
    readonly encodedBodySize: number;
    /**
     * The **`fetchStart`** read-only property represents a timestamp immediately before the browser starts to fetch the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/fetchStart)
     */
    readonly fetchStart: DOMHighResTimeStamp;
    /**
     * The **`initiatorType`** read-only property is a string representing web platform feature that initiated the resource load.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/initiatorType)
     */
    readonly initiatorType: string;
    /**
     * The **`nextHopProtocol`** read-only property is a string representing the network protocol used to fetch the resource, as identified by the ALPN Protocol ID (RFC7301).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/nextHopProtocol)
     */
    readonly nextHopProtocol: string;
    /**
     * The **`redirectEnd`** read-only property returns a timestamp immediately after receiving the last byte of the response of the last redirect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/redirectEnd)
     */
    readonly redirectEnd: DOMHighResTimeStamp;
    /**
     * The **`redirectStart`** read-only property returns a timestamp representing the start time of the fetch which that initiates the redirect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/redirectStart)
     */
    readonly redirectStart: DOMHighResTimeStamp;
    /**
     * The **`requestStart`** read-only property returns a timestamp of the time immediately before the browser starts requesting the resource from the server, cache, or local resource. If the transport connection fails and the browser retries the request, the value returned will be the start of the retry request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/requestStart)
     */
    readonly requestStart: DOMHighResTimeStamp;
    /**
     * The **`responseEnd`** read-only property returns a timestamp immediately after the browser receives the last byte of the resource or immediately before the transport connection is closed, whichever comes first.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseEnd)
     */
    readonly responseEnd: DOMHighResTimeStamp;
    /**
     * The **`responseStart`** read-only property returns a timestamp immediately after the browser receives the first byte of the response from the server, cache, or local resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStart)
     */
    readonly responseStart: DOMHighResTimeStamp;
    /**
     * The **`responseStatus`** read-only property represents the HTTP response status code returned when fetching the resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStatus)
     */
    readonly responseStatus: number;
    /**
     * The **`secureConnectionStart`** read-only property returns a timestamp immediately before the browser starts the handshake process to secure the current connection. If a secure connection is not used, the property returns zero.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/secureConnectionStart)
     */
    readonly secureConnectionStart: DOMHighResTimeStamp;
    /**
     * The **`serverTiming`** read-only property returns an array of PerformanceServerTiming entries containing server timing metrics.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/serverTiming)
     */
    readonly serverTiming: ReadonlyArray<PerformanceServerTiming>;
    /**
     * The **`transferSize`** read-only property represents the size (in octets) of the fetched resource. The size includes the response header fields plus the response payload body (as defined by RFC7230).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/transferSize)
     */
    readonly transferSize: number;
    /**
     * The **`workerStart`** read-only property of the PerformanceResourceTiming interface returns a DOMHighResTimeStamp immediately before dispatching the FetchEvent if a Service Worker thread is already running, or immediately before starting the Service Worker thread if it is not already running. If the resource is not intercepted by a Service Worker the property will always return 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/workerStart)
     */
    readonly workerStart: DOMHighResTimeStamp;
    /**
     * The **`toJSON()`** method of the PerformanceResourceTiming interface is a serializer; it returns a JSON representation of the PerformanceResourceTiming object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
     */
    toJSON(): any;
}

declare var PerformanceResourceTiming: {
    prototype: PerformanceResourceTiming;
    new(): PerformanceResourceTiming;
};

/**
 * The **`PerformanceServerTiming`** interface surfaces server metrics that are sent with the response in the Server-Timing HTTP header.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming)
 */
interface PerformanceServerTiming {
    /**
     * The **`description`** read-only property returns a string value of the server-specified metric description, or an empty string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/description)
     */
    readonly description: string;
    /**
     * The **`duration`** read-only property returns a double that contains the server-specified metric duration (usually in milliseconds), or the value 0.0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/duration)
     */
    readonly duration: DOMHighResTimeStamp;
    /**
     * The **`name`** read-only property returns a string value of the server-specified metric name.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/name)
     */
    readonly name: string;
    /**
     * The **`toJSON()`** method of the PerformanceServerTiming interface is a serializer; it returns a JSON representation of the PerformanceServerTiming object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
     */
    toJSON(): any;
}

declare var PerformanceServerTiming: {
    prototype: PerformanceServerTiming;
    new(): PerformanceServerTiming;
};

/**
 * The **`PerformanceTiming`** interface is a legacy interface kept for backwards compatibility and contains properties that offer performance timing information for various events which occur during the loading and use of the current page. You get a PerformanceTiming object describing your page using the window.performance.timing property.
 * @deprecated This interface is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming)
 */
interface PerformanceTiming {
    /**
     * The legacy **`PerformanceTiming.connectEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, where the connection is opened network. If the transport layer reports an error and the connection establishment is started again, the last connection establishment end time is given. If a persistent connection is used, the value will be the same as PerformanceTiming.fetchStart. A connection is considered as opened when all secure connection handshake, or SOCKS authentication, is terminated.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/connectEnd)
     */
    readonly connectEnd: number;
    /**
     * The legacy **`PerformanceTiming.connectStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, where the request to open a connection is sent to the network. If the transport layer reports an error and the connection establishment is started again, the last connection establishment start time is given. If a persistent connection is used, the value will be the same as PerformanceTiming.fetchStart.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/connectStart)
     */
    readonly connectStart: number;
    /**
     * The legacy **`PerformanceTiming.domComplete`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the parser finished its work on the main document, that is when its Document.readyState changes to 'complete' and the corresponding readystatechange event is thrown.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domComplete)
     */
    readonly domComplete: number;
    /**
     * The legacy **`PerformanceTiming.domContentLoadedEventEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, right after all the scripts that need to be executed as soon as possible, in order or not, has been executed.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domContentLoadedEventEnd)
     */
    readonly domContentLoadedEventEnd: number;
    /**
     * The legacy **`PerformanceTiming.domContentLoadedEventStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, right before the parser sent the DOMContentLoaded event, that is right after all the scripts that need to be executed right after parsing has been executed.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domContentLoadedEventStart)
     */
    readonly domContentLoadedEventStart: number;
    /**
     * The legacy **`PerformanceTiming.domInteractive`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the parser finished its work on the main document, that is when its Document.readyState changes to 'interactive' and the corresponding readystatechange event is thrown.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domInteractive)
     */
    readonly domInteractive: number;
    /**
     * The legacy **`PerformanceTiming.domLoading`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the parser started its work, that is when its Document.readyState changes to 'loading' and the corresponding readystatechange event is thrown.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domLoading)
     */
    readonly domLoading: number;
    /**
     * The legacy **`PerformanceTiming.domainLookupEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, where the domain lookup is finished. If a persistent connection is used, or the information is stored in a cache or a local resource, the value will be the same as PerformanceTiming.fetchStart.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domainLookupEnd)
     */
    readonly domainLookupEnd: number;
    /**
     * The legacy **`PerformanceTiming.domainLookupStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, where the domain lookup starts. If a persistent connection is used, or the information is stored in a cache or a local resource, the value will be the same as PerformanceTiming.fetchStart.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/domainLookupStart)
     */
    readonly domainLookupStart: number;
    /**
     * The legacy **`PerformanceTiming.fetchStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, the browser is ready to fetch the document using an HTTP request. This moment is before the check to any application cache.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/fetchStart)
     */
    readonly fetchStart: number;
    /**
     * The legacy **`PerformanceTiming.loadEventEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the load event handler terminated, that is when the load event is completed. If this event has not yet been sent, or is not yet completed, it returns 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/loadEventEnd)
     */
    readonly loadEventEnd: number;
    /**
     * The legacy **`PerformanceTiming.loadEventStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the load event was sent for the current document. If this event has not yet been sent, it returns 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/loadEventStart)
     */
    readonly loadEventStart: number;
    /**
     * The legacy **`PerformanceTiming.navigationStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, right after the prompt for unload terminates on the previous document in the same browsing context. If there is no previous document, this value will be the same as PerformanceTiming.fetchStart.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/navigationStart)
     */
    readonly navigationStart: number;
    /**
     * The legacy **`PerformanceTiming.redirectEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, the last HTTP redirect is completed, that is when the last byte of the HTTP response has been received. If there is no redirect, or if one of the redirect is not of the same origin, the value returned is 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/redirectEnd)
     */
    readonly redirectEnd: number;
    /**
     * The legacy **`PerformanceTiming.redirectStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, the first HTTP redirect starts. If there is no redirect, or if one of the redirect is not of the same origin, the value returned is 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/redirectStart)
     */
    readonly redirectStart: number;
    /**
     * The legacy **`PerformanceTiming.requestStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the browser sent the request to obtain the actual document, from the server or from a cache. If the transport layer fails after the start of the request and the connection is reopened, this property will be set to the time corresponding to the new request.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/requestStart)
     */
    readonly requestStart: number;
    /**
     * The legacy **`PerformanceTiming.responseEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, when the browser received the last byte of the response, or when the connection is closed if this happened first, from the server from a cache or from a local resource.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/responseEnd)
     */
    readonly responseEnd: number;
    /**
     * The legacy **`PerformanceTiming.responseStart`** read-only property returns an unsigned long long representing the moment in time (in milliseconds since the UNIX epoch) when the browser received the first byte of the response from the server, cache, or local resource.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/responseStart)
     */
    readonly responseStart: number;
    /**
     * The legacy **`PerformanceTiming.secureConnectionStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, where the secure connection handshake starts. If no such connection is requested, it returns 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/secureConnectionStart)
     */
    readonly secureConnectionStart: number;
    /**
     * The legacy **`PerformanceTiming.unloadEventEnd`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, the unload event handler finishes. If there is no previous document, or if the previous document, or one of the needed redirects, is not of the same origin, the value returned is 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/unloadEventEnd)
     */
    readonly unloadEventEnd: number;
    /**
     * The legacy **`PerformanceTiming.unloadEventStart`** read-only property returns an unsigned long long representing the moment, in milliseconds since the UNIX epoch, the unload event has been thrown. If there is no previous document, or if the previous document, or one of the needed redirects, is not of the same origin, the value returned is 0.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/unloadEventStart)
     */
    readonly unloadEventStart: number;
    /**
     * The legacy **`toJSON()`** method of the PerformanceTiming interface is a serializer; it returns a JSON representation of the PerformanceTiming object.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/toJSON)
     */
    toJSON(): any;
}

/** @deprecated */
declare var PerformanceTiming: {
    prototype: PerformanceTiming;
    new(): PerformanceTiming;
};

/**
 * The **`PeriodicWave`** interface defines a periodic waveform that can be used to shape the output of an OscillatorNode.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PeriodicWave)
 */
interface PeriodicWave {
}

declare var PeriodicWave: {
    prototype: PeriodicWave;
    new(context: BaseAudioContext, options?: PeriodicWaveOptions): PeriodicWave;
};

interface PermissionStatusEventMap {
    "change": Event;
}

/**
 * The **`PermissionStatus`** interface of the Permissions API provides the state of an object and an event handler for monitoring changes to said state.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PermissionStatus)
 */
interface PermissionStatus extends EventTarget {
    /**
     * The **`name`** read-only property of the PermissionStatus interface returns the name of a requested permission.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PermissionStatus/name)
     */
    readonly name: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PermissionStatus/change_event) */
    onchange: ((this: PermissionStatus, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the PermissionStatus interface returns the state of a requested permission. This property returns one of 'granted', 'denied', or 'prompt'.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PermissionStatus/state)
     */
    readonly state: PermissionState;
    addEventListener<K extends keyof PermissionStatusEventMap>(type: K, listener: (this: PermissionStatus, ev: PermissionStatusEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PermissionStatusEventMap>(type: K, listener: (this: PermissionStatus, ev: PermissionStatusEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var PermissionStatus: {
    prototype: PermissionStatus;
    new(): PermissionStatus;
};

/**
 * The **`Permissions`** interface of the Permissions API provides the core Permission API functionality, such as methods for querying and revoking permissions
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Permissions)
 */
interface Permissions {
    /**
     * The **`query()`** method of the Permissions interface returns the state of a user permission on the global scope.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Permissions/query)
     */
    query(permissionDesc: PermissionDescriptor): Promise<PermissionStatus>;
}

declare var Permissions: {
    prototype: Permissions;
    new(): Permissions;
};

/**
 * The **`PictureInPictureEvent`** interface represents picture-in-picture-related events, including enterpictureinpicture, leavepictureinpicture and resize.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureEvent)
 */
interface PictureInPictureEvent extends Event {
    /**
     * The read-only **`pictureInPictureWindow`** property of the PictureInPictureEvent interface returns the PictureInPictureWindow the event relates to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureEvent/pictureInPictureWindow)
     */
    readonly pictureInPictureWindow: PictureInPictureWindow;
}

declare var PictureInPictureEvent: {
    prototype: PictureInPictureEvent;
    new(type: string, eventInitDict: PictureInPictureEventInit): PictureInPictureEvent;
};

interface PictureInPictureWindowEventMap {
    "resize": Event;
}

/**
 * The **`PictureInPictureWindow`** interface represents an object able to programmatically obtain the width and height and resize event of the floating video window.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureWindow)
 */
interface PictureInPictureWindow extends EventTarget {
    /**
     * The read-only **`height`** property of the PictureInPictureWindow interface returns the height of the floating video window in pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureWindow/height)
     */
    readonly height: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureWindow/resize_event) */
    onresize: ((this: PictureInPictureWindow, ev: Event) => any) | null;
    /**
     * The read-only **`width`** property of the PictureInPictureWindow interface returns the width of the floating video window in pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PictureInPictureWindow/width)
     */
    readonly width: number;
    addEventListener<K extends keyof PictureInPictureWindowEventMap>(type: K, listener: (this: PictureInPictureWindow, ev: PictureInPictureWindowEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PictureInPictureWindowEventMap>(type: K, listener: (this: PictureInPictureWindow, ev: PictureInPictureWindowEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var PictureInPictureWindow: {
    prototype: PictureInPictureWindow;
    new(): PictureInPictureWindow;
};

/**
 * The **`Plugin`** interface provides information about a browser plugin.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Plugin)
 */
interface Plugin {
    /**
     * Returns the plugin's description.
     * @deprecated
     */
    readonly description: string;
    /**
     * Returns the plugin library's filename, if applicable on the current platform.
     * @deprecated
     */
    readonly filename: string;
    /**
     * Returns the number of MIME types, represented by MimeType objects, supported by the plugin.
     * @deprecated
     */
    readonly length: number;
    /**
     * Returns the plugin's name.
     * @deprecated
     */
    readonly name: string;
    /**
     * Returns the specified MimeType object.
     * @deprecated
     */
    item(index: number): MimeType | null;
    /** @deprecated */
    namedItem(name: string): MimeType | null;
    [index: number]: MimeType;
}

/** @deprecated */
declare var Plugin: {
    prototype: Plugin;
    new(): Plugin;
};

/**
 * The **`PluginArray`** interface is used to store a list of Plugin objects; it's returned by the navigator.plugins property. The PluginArray is not a JavaScript array, but has the length property and supports accessing individual items using bracket notation (plugins[2]), as well as via item(index) and namedItem("name") methods.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PluginArray)
 */
interface PluginArray {
    /** @deprecated */
    readonly length: number;
    /** @deprecated */
    item(index: number): Plugin | null;
    /** @deprecated */
    namedItem(name: string): Plugin | null;
    /** @deprecated */
    refresh(): void;
    [index: number]: Plugin;
}

/** @deprecated */
declare var PluginArray: {
    prototype: PluginArray;
    new(): PluginArray;
};

/**
 * The **`PointerEvent`** interface represents the state of a DOM event produced by a pointer such as the geometry of the contact point, the device type that generated the event, the amount of pressure that was applied on the contact surface, etc.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent)
 */
interface PointerEvent extends MouseEvent {
    /**
     * The **`altitudeAngle`** read-only property of the PointerEvent interface represents the angle between a transducer (a pointer or stylus) axis and the X-Y plane of a device screen. The altitude angle describes whether the transducer is perpendicular to the screen, parallel, or at some angle in between.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/altitudeAngle)
     */
    readonly altitudeAngle: number;
    /**
     * The **`azimuthAngle`** read-only property of the PointerEvent interface represents the angle between the Y-Z plane and the plane containing both the transducer (pointer or stylus) axis and the Y axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/azimuthAngle)
     */
    readonly azimuthAngle: number;
    /**
     * The **`height`** read-only property of the PointerEvent interface represents the height of the pointer's contact geometry, along the y-axis (in CSS pixels). Depending on the source of the pointer device (for example a finger), for a given pointer, each event may produce a different value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/height)
     */
    readonly height: number;
    /**
     * The **`isPrimary`** read-only property of the PointerEvent interface indicates whether or not the pointer device that created the event is the primary pointer. It returns true if the pointer that caused the event to be fired is the primary one and returns false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/isPrimary)
     */
    readonly isPrimary: boolean;
    /**
     * The **`persistentDeviceId`** read-only property of the PointerEvent interface is a unique identifier for the pointing device generating the PointerEvent. This provides a secure, reliable way to identify multiple pointing devices (such as pens) interacting with the screen simultaneously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/persistentDeviceId)
     */
    readonly persistentDeviceId: number;
    /**
     * The **`pointerId`** read-only property of the PointerEvent interface is an identifier assigned to the pointer that triggered the event. The identifier is unique, being different from the identifiers of all other active pointer events.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/pointerId)
     */
    readonly pointerId: number;
    /**
     * The **`pointerType`** read-only property of the PointerEvent interface indicates the device type (mouse, pen, or touch) that caused a given pointer event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/pointerType)
     */
    readonly pointerType: string;
    /**
     * The **`pressure`** read-only property of the PointerEvent interface indicates the normalized pressure of the pointer input.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/pressure)
     */
    readonly pressure: number;
    /**
     * The **`tangentialPressure`** read-only property of the PointerEvent interface represents the normalized tangential pressure of the pointer input (also known as barrel pressure or cylinder stress).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/tangentialPressure)
     */
    readonly tangentialPressure: number;
    /**
     * The **`tiltX`** read-only property of the PointerEvent interface is the angle (in degrees) between the Y-Z plane of the pointer and the screen. This property is typically only useful for a pen/stylus pointer type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/tiltX)
     */
    readonly tiltX: number;
    /**
     * The **`tiltY`** read-only property of the PointerEvent interface is the angle (in degrees) between the X-Z plane of the pointer and the screen. This property is typically only useful for a pen/stylus pointer type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/tiltY)
     */
    readonly tiltY: number;
    /**
     * The **`twist`** read-only property of the PointerEvent interface represents the clockwise rotation of the pointer (e.g., pen stylus) around its major axis, in degrees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/twist)
     */
    readonly twist: number;
    /**
     * The **`width`** read-only property of the PointerEvent interface represents the width of the pointer's contact geometry along the x-axis, measured in CSS pixels. Depending on the source of the pointer device (such as a finger), for a given pointer, each event may produce a different value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/width)
     */
    readonly width: number;
    /**
     * The **`getCoalescedEvents()`** method of the PointerEvent interface returns a sequence of PointerEvent instances that were coalesced (merged) into a single pointermove or pointerrawupdate event. Instead of a stream of many pointermove events, user agents coalesce multiple updates into a single event. This helps with performance as the user agent has less event handling to perform, but there is a reduction in the granularity and accuracy when tracking, especially with fast and large movements.
     * Available only in secure contexts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/getCoalescedEvents)
     */
    getCoalescedEvents(): PointerEvent[];
    /**
     * The **`getPredictedEvents()`** method of the PointerEvent interface returns a sequence of PointerEvent instances that are estimated future pointer positions. How the predicted positions are calculated depends on the user agent, but they are based on past points, current velocity, and trajectory.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PointerEvent/getPredictedEvents)
     */
    getPredictedEvents(): PointerEvent[];
}

declare var PointerEvent: {
    prototype: PointerEvent;
    new(type: string, eventInitDict?: PointerEventInit): PointerEvent;
};

/**
 * **`PopStateEvent`** is an interface for the popstate event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PopStateEvent)
 */
interface PopStateEvent extends Event {
    /**
     * The **`hasUAVisualTransition`** read-only property of the PopStateEvent interface returns true if the user agent performed a visual transition for this navigation before dispatching this event, or false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PopStateEvent/hasUAVisualTransition)
     */
    readonly hasUAVisualTransition: boolean;
    /**
     * The **`state`** read-only property of the PopStateEvent interface represents the state stored when the event was created.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PopStateEvent/state)
     */
    readonly state: any;
}

declare var PopStateEvent: {
    prototype: PopStateEvent;
    new(type: string, eventInitDict?: PopStateEventInit): PopStateEvent;
};

interface PopoverTargetAttributes {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/popoverTargetAction) */
    popoverTargetAction: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/popoverTargetElement) */
    popoverTargetElement: Element | null;
}

/**
 * The **`ProcessingInstruction`** interface represents a processing instruction; that is, a Node which embeds an instruction targeting a specific application but that can be ignored by any other applications which don't recognize the instruction.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction)
 */
interface ProcessingInstruction extends CharacterData, LinkStyle {
    /**
     * The read-only **`target`** property of the ProcessingInstruction interface represent the application to which the ProcessingInstruction is targeted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction/target)
     */
    readonly target: string;
}

declare var ProcessingInstruction: {
    prototype: ProcessingInstruction;
    new(): ProcessingInstruction;
};

/**
 * The **`ProgressEvent`** interface represents events that measure the progress of an underlying process, like an HTTP request (e.g., an XMLHttpRequest, or the loading of the underlying resource of an <img>, <audio>, <video>, <style> or <link>).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProgressEvent)
 */
interface ProgressEvent<T extends EventTarget = EventTarget> extends Event {
    /**
     * The **`ProgressEvent.lengthComputable`** read-only property is a boolean flag indicating if the resource concerned by the ProgressEvent has a length that can be calculated. If not, the ProgressEvent.total property has no significant value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProgressEvent/lengthComputable)
     */
    readonly lengthComputable: boolean;
    /**
     * The **`ProgressEvent.loaded`** read-only property is a number indicating the size of the data already transmitted or processed. The progress ratio can be calculated by dividing the value of this property by ProgressEvent.total.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProgressEvent/loaded)
     */
    readonly loaded: number;
    readonly target: T | null;
    /**
     * The **`ProgressEvent.total`** read-only property is a number indicating the total size of the data being transmitted or processed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProgressEvent/total)
     */
    readonly total: number;
}

declare var ProgressEvent: {
    prototype: ProgressEvent;
    new(type: string, eventInitDict?: ProgressEventInit): ProgressEvent;
};

/**
 * The **`PromiseRejectionEvent`** interface represents events which are sent to the global script context when JavaScript Promises are rejected. These events are particularly useful for telemetry and debugging purposes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PromiseRejectionEvent)
 */
interface PromiseRejectionEvent extends Event {
    /**
     * The PromiseRejectionEvent interface's **`promise`** read-only property indicates the JavaScript Promise which was rejected. You can examine the event's PromiseRejectionEvent.reason property to learn why the promise was rejected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PromiseRejectionEvent/promise)
     */
    readonly promise: Promise<any>;
    /**
     * The PromiseRejectionEvent **`reason`** read-only property is any JavaScript value or Object which provides the reason passed into Promise.reject(). This in theory provides information about why the promise was rejected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PromiseRejectionEvent/reason)
     */
    readonly reason: any;
}

declare var PromiseRejectionEvent: {
    prototype: PromiseRejectionEvent;
    new(type: string, eventInitDict: PromiseRejectionEventInit): PromiseRejectionEvent;
};

/**
 * The **`PublicKeyCredential`** interface provides information about a public key / private key pair, which is a credential for logging in to a service using an un-phishable and data-breach resistant asymmetric key pair instead of a password. It inherits from Credential, and is part of the Web Authentication API extension to the Credential Management API.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential)
 */
interface PublicKeyCredential extends Credential {
    /**
     * The **`authenticatorAttachment`** read-only property of the PublicKeyCredential interface is a string that indicates the general category of authenticator used during the associated navigator.credentials.create() or navigator.credentials.get() call.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/authenticatorAttachment)
     */
    readonly authenticatorAttachment: string | null;
    /**
     * The **`rawId`** read-only property of the PublicKeyCredential interface is an ArrayBuffer object containing the identifier of the credentials.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/rawId)
     */
    readonly rawId: ArrayBuffer;
    /**
     * The **`response`** read-only property of the PublicKeyCredential interface is an AuthenticatorResponse object which is sent from the authenticator to the user agent for the creation/fetching of credentials. The information contained in this response will be used by the relying party's server to verify the demand is legitimate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/response)
     */
    readonly response: AuthenticatorResponse;
    /**
     * The **`getClientExtensionResults()`** method of the PublicKeyCredential interface returns an object mapping the identifiers of extensions requested during credential creation or authentication, and their results after processing by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/getClientExtensionResults)
     */
    getClientExtensionResults(): AuthenticationExtensionsClientOutputs;
    /**
     * The **`toJSON()`** method of the PublicKeyCredential interface returns a JSON type representation of a PublicKeyCredential.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/toJSON)
     */
    toJSON(): RegistrationResponseJSON | AuthenticationResponseJSON;
}

declare var PublicKeyCredential: {
    prototype: PublicKeyCredential;
    new(): PublicKeyCredential;
    /**
     * The **`getClientCapabilities()`** static method of the PublicKeyCredential interface returns a Promise that resolves with an object that can be used to check whether or not particular WebAuthn client capabilities and extensions are supported.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/getClientCapabilities_static)
     */
    getClientCapabilities(): Promise<PublicKeyCredentialClientCapabilities>;
    /**
     * The **`isConditionalMediationAvailable()`** static method of the PublicKeyCredential interface returns a Promise which resolves to true if conditional mediation is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/isConditionalMediationAvailable_static)
     */
    isConditionalMediationAvailable(): Promise<boolean>;
    /**
     * The **`isUserVerifyingPlatformAuthenticatorAvailable()`** static method of the PublicKeyCredential interface returns a Promise which resolves to true if a user-verifying platform authenticator is present.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/isUserVerifyingPlatformAuthenticatorAvailable_static)
     */
    isUserVerifyingPlatformAuthenticatorAvailable(): Promise<boolean>;
    /**
     * The **`parseCreationOptionsFromJSON()`** static method of the PublicKeyCredential interface creates a PublicKeyCredentialCreationOptions object from a JSON representation of its properties.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/parseCreationOptionsFromJSON_static)
     */
    parseCreationOptionsFromJSON(options: PublicKeyCredentialCreationOptionsJSON): PublicKeyCredentialCreationOptions;
    /**
     * The **`parseRequestOptionsFromJSON()`** static method of the PublicKeyCredential interface converts a JSON type representation into a PublicKeyCredentialRequestOptions instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/parseRequestOptionsFromJSON_static)
     */
    parseRequestOptionsFromJSON(options: PublicKeyCredentialRequestOptionsJSON): PublicKeyCredentialRequestOptions;
    /**
     * The **`signalAllAcceptedCredentials()`** static method of the PublicKeyCredential interface signals to the authenticator all of the valid credential IDs that the relying party (RP) server still holds for a particular user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/signalAllAcceptedCredentials_static)
     */
    signalAllAcceptedCredentials(options: AllAcceptedCredentialsOptions): Promise<void>;
    /**
     * The **`signalCurrentUserDetails()`** static method of the PublicKeyCredential interface signals to the authenticator that a particular user has updated their user name and/or display name on the relying party (RP) server.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/signalCurrentUserDetails_static)
     */
    signalCurrentUserDetails(options: CurrentUserDetailsOptions): Promise<void>;
    /**
     * The **`signalUnknownCredential()`** static method of the PublicKeyCredential interface signals to the authenticator that a credential ID was not recognized by the relying party (RP) server.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PublicKeyCredential/signalUnknownCredential_static)
     */
    signalUnknownCredential(options: UnknownCredentialOptions): Promise<void>;
};

/**
 * The **`PushManager`** interface of the Push API provides a way to receive notifications from third-party servers as well as request URLs for push notifications.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushManager)
 */
interface PushManager {
    /**
     * The **`PushManager.getSubscription()`** method of the PushManager interface retrieves an existing push subscription.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushManager/getSubscription)
     */
    getSubscription(): Promise<PushSubscription | null>;
    /**
     * The **`permissionState()`** method of the PushManager interface returns a Promise that resolves to a string indicating the permission state of the push manager. Possible values are 'prompt', 'denied', or 'granted'.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushManager/permissionState)
     */
    permissionState(options?: PushSubscriptionOptionsInit): Promise<PermissionState>;
    /**
     * The **`subscribe()`** method of the PushManager interface subscribes to a push service.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushManager/subscribe)
     */
    subscribe(options?: PushSubscriptionOptionsInit): Promise<PushSubscription>;
}

declare var PushManager: {
    prototype: PushManager;
    new(): PushManager;
    /**
     * The **`supportedContentEncodings`** read-only static property of the PushManager interface returns an array of supported content codings that can be used to encrypt the payload of a push message.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushManager/supportedContentEncodings_static)
     */
    readonly supportedContentEncodings: ReadonlyArray<string>;
};

/** Available only in secure contexts. */
interface PushManagerAttribute {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/pushManager) */
    readonly pushManager: PushManager;
}

/**
 * The **`PushSubscription`** interface of the Push API provides a subscription's URL endpoint along with the public key and secrets that should be used for encrypting push messages to this subscription. This information must be passed to the application server, using any desired application-specific method.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription)
 */
interface PushSubscription {
    /**
     * The **`endpoint`** read-only property of the PushSubscription interface returns a string containing the endpoint associated with the push subscription.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/endpoint)
     */
    readonly endpoint: string;
    /**
     * The **`expirationTime`** read-only property of the PushSubscription interface returns a DOMHighResTimeStamp of the subscription expiration time associated with the push subscription, if there is one, or null otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/expirationTime)
     */
    readonly expirationTime: EpochTimeStamp | null;
    /**
     * The **`options`** read-only property of the PushSubscription interface is an object containing the options used to create the subscription.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/options)
     */
    readonly options: PushSubscriptionOptions;
    /**
     * The **`getKey()`** method of the PushSubscription interface returns an ArrayBuffer representing a client public key, which can then be sent to a server and used in encrypting push message data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/getKey)
     */
    getKey(name: PushEncryptionKeyName): ArrayBuffer | null;
    /**
     * The **`toJSON()`** method of the PushSubscription interface is a standard serializer: it returns a JSON representation of the subscription properties, providing a useful shortcut.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/toJSON)
     */
    toJSON(): PushSubscriptionJSON;
    /**
     * The **`unsubscribe()`** method of the PushSubscription interface returns a Promise that resolves to a boolean value when the current subscription is successfully unsubscribed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscription/unsubscribe)
     */
    unsubscribe(): Promise<boolean>;
}

declare var PushSubscription: {
    prototype: PushSubscription;
    new(): PushSubscription;
};

/**
 * The **`PushSubscriptionOptions`** interface of the Push API represents the options associated with a push subscription.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscriptionOptions)
 */
interface PushSubscriptionOptions {
    /**
     * The **`applicationServerKey`** read-only property of the PushSubscriptionOptions interface contains the public key used by the push server.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscriptionOptions/applicationServerKey)
     */
    readonly applicationServerKey: ArrayBuffer | null;
    /**
     * The **`userVisibleOnly`** read-only property of the PushSubscriptionOptions interface indicates if the returned push subscription will only be used for messages whose effect is made visible to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushSubscriptionOptions/userVisibleOnly)
     */
    readonly userVisibleOnly: boolean;
}

declare var PushSubscriptionOptions: {
    prototype: PushSubscriptionOptions;
    new(): PushSubscriptionOptions;
};

/**
 * The **`RTCCertificate`** interface of the WebRTC API provides an object representing a certificate that an RTCPeerConnection uses to authenticate.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCCertificate)
 */
interface RTCCertificate {
    /**
     * The read-only **`expires`** property of the RTCCertificate interface returns the expiration date of the certificate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCCertificate/expires)
     */
    readonly expires: EpochTimeStamp;
    /**
     * The **`getFingerprints()`** method of the RTCCertificate interface is used to get an array of certificate fingerprints.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCCertificate/getFingerprints)
     */
    getFingerprints(): RTCDtlsFingerprint[];
}

declare var RTCCertificate: {
    prototype: RTCCertificate;
    new(): RTCCertificate;
};

interface RTCDTMFSenderEventMap {
    "tonechange": RTCDTMFToneChangeEvent;
}

/**
 * The **`RTCDTMFSender`** interface provides a mechanism for transmitting DTMF codes on a WebRTC RTCPeerConnection. You gain access to the connection's RTCDTMFSender through the RTCRtpSender.dtmf property on the audio track you wish to send DTMF with.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFSender)
 */
interface RTCDTMFSender extends EventTarget {
    /**
     * The **`canInsertDTMF`** read-only property of the RTCDTMFSender interface returns a boolean value which indicates whether the RTCDTMFSender is capable of sending DTMF tones over the RTCPeerConnection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFSender/canInsertDTMF)
     */
    readonly canInsertDTMF: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFSender/tonechange_event) */
    ontonechange: ((this: RTCDTMFSender, ev: RTCDTMFToneChangeEvent) => any) | null;
    /**
     * The RTCDTMFSender interface's **`toneBuffer`** property returns a string containing a list of the DTMF tones currently queued for sending to the remote peer over the RTCPeerConnection. To place tones into the buffer, call insertDTMF().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFSender/toneBuffer)
     */
    readonly toneBuffer: string;
    /**
     * The **`insertDTMF()`** method of the RTCDTMFSender interface sends DTMF tones to the remote peer over the RTCPeerConnection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFSender/insertDTMF)
     */
    insertDTMF(tones: string, duration?: number, interToneGap?: number): void;
    addEventListener<K extends keyof RTCDTMFSenderEventMap>(type: K, listener: (this: RTCDTMFSender, ev: RTCDTMFSenderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCDTMFSenderEventMap>(type: K, listener: (this: RTCDTMFSender, ev: RTCDTMFSenderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCDTMFSender: {
    prototype: RTCDTMFSender;
    new(): RTCDTMFSender;
};

/**
 * The **`RTCDTMFToneChangeEvent`** interface represents events sent to indicate that DTMF tones have started or finished playing. This interface is used by the tonechange event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFToneChangeEvent)
 */
interface RTCDTMFToneChangeEvent extends Event {
    /**
     * The read-only property **`RTCDTMFToneChangeEvent.tone`** returns the DTMF character which has just begun to play, or an empty string (""). if all queued tones have finished playing (that is, RTCDTMFSender.toneBuffer is empty).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDTMFToneChangeEvent/tone)
     */
    readonly tone: string;
}

declare var RTCDTMFToneChangeEvent: {
    prototype: RTCDTMFToneChangeEvent;
    new(type: string, eventInitDict?: RTCDTMFToneChangeEventInit): RTCDTMFToneChangeEvent;
};

interface RTCDataChannelEventMap {
    "bufferedamountlow": Event;
    "close": Event;
    "closing": Event;
    "error": RTCErrorEvent;
    "message": MessageEvent;
    "open": Event;
}

/**
 * The **`RTCDataChannel`** interface represents a network channel which can be used for bidirectional peer-to-peer transfers of arbitrary data. Every data channel is associated with an RTCPeerConnection, and each peer connection can have up to a theoretical maximum of 65,534 data channels (the actual limit may vary from browser to browser).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel)
 */
interface RTCDataChannel extends EventTarget {
    /**
     * The property **`binaryType`** on the RTCDataChannel interface is a string which specifies the type of object which should be used to represent binary data received on the RTCDataChannel. Values allowed by the WebSocket.binaryType property are also permitted here: blob if Blob objects are being used or arraybuffer if ArrayBuffer objects are being used. The default is arraybuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/binaryType)
     */
    binaryType: BinaryType;
    /**
     * The read-only RTCDataChannel property **`bufferedAmount`** returns the number of bytes of data currently queued to be sent over the data channel. The queue may build up as a result of calls to the send() method. This only includes data buffered by the user agent itself; it doesn't include any framing overhead or buffering done by the operating system or network hardware.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/bufferedAmount)
     */
    readonly bufferedAmount: number;
    /**
     * The RTCDataChannel property **`bufferedAmountLowThreshold`** is used to specify the number of bytes of buffered outgoing data that is considered "low." The default value is 0. When the number of buffered outgoing bytes, as indicated by the bufferedAmount property, falls to or below this value, a bufferedamountlow event is fired. This event may be used, for example, to implement code which queues more messages to be sent whenever there's room to buffer them. Listeners may be added with onbufferedamountlow or addEventListener().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/bufferedAmountLowThreshold)
     */
    bufferedAmountLowThreshold: number;
    /**
     * The read-only RTCDataChannel property **`id`** returns an ID number (between 0 and 65,534) which uniquely identifies the RTCDataChannel. This ID is set at the time the data channel is created, either by the user agent (if RTCDataChannel.negotiated is false) or by the site or app script (if negotiated is true).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/id)
     */
    readonly id: number | null;
    /**
     * The read-only RTCDataChannel property **`label`** returns a string containing a name describing the data channel. These labels are not required to be unique.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/label)
     */
    readonly label: string;
    /**
     * The read-only RTCDataChannel property **`maxPacketLifeTime`** returns the amount of time, in milliseconds, the browser is allowed to take to attempt to transmit a message, as set when the data channel was created, or null. This limits how long the browser can continue to attempt to transmit and retransmit the message before giving up.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/maxPacketLifeTime)
     */
    readonly maxPacketLifeTime: number | null;
    /**
     * The read-only RTCDataChannel property **`maxRetransmits`** returns the maximum number of times the browser should try to retransmit a message before giving up, as set when the data channel was created, or null, which indicates that there is no maximum. This can only be set when the RTCDataChannel is created by calling RTCPeerConnection.createDataChannel(), using the maxRetransmits field in the specified options.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/maxRetransmits)
     */
    readonly maxRetransmits: number | null;
    /**
     * The read-only RTCDataChannel property **`negotiated`** indicates whether the RTCDataChannel's connection was negotiated by the Web app (true) or by the WebRTC layer (false). The default is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/negotiated)
     */
    readonly negotiated: boolean;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/bufferedamountlow_event) */
    onbufferedamountlow: ((this: RTCDataChannel, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/close_event) */
    onclose: ((this: RTCDataChannel, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/closing_event) */
    onclosing: ((this: RTCDataChannel, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/error_event) */
    onerror: ((this: RTCDataChannel, ev: RTCErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/message_event) */
    onmessage: ((this: RTCDataChannel, ev: MessageEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/open_event) */
    onopen: ((this: RTCDataChannel, ev: Event) => any) | null;
    /**
     * The read-only RTCDataChannel property **`ordered`** indicates whether or not the data channel guarantees in-order delivery of messages; the default is true, which indicates that the data channel is indeed ordered. This is set when the RTCDataChannel is created, by setting the ordered property on the object passed as RTCPeerConnection.createDataChannel()'s options parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/ordered)
     */
    readonly ordered: boolean;
    /**
     * The read-only RTCDataChannel property **`protocol`** returns a string containing the name of the subprotocol in use. If no protocol was specified when the data channel was created, then this property's value is the empty string ("").
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/protocol)
     */
    readonly protocol: string;
    /**
     * The read-only RTCDataChannel property **`readyState`** returns a string which indicates the state of the data channel's underlying data connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/readyState)
     */
    readonly readyState: RTCDataChannelState;
    /**
     * The **`RTCDataChannel.close()`** method closes the RTCDataChannel. Either peer is permitted to call this method to initiate closure of the channel.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/close)
     */
    close(): void;
    /**
     * The **`send()`** method of the RTCDataChannel interface sends data across the data channel to the remote peer. This can be done any time except during the initial process of creating the underlying transport channel. Data sent before connecting is buffered if possible (or an error occurs if it's not possible), and is also buffered if sent while the connection is closing or closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannel/send)
     */
    send(data: string): void;
    send(data: Blob): void;
    send(data: ArrayBuffer): void;
    send(data: ArrayBufferView<ArrayBuffer>): void;
    addEventListener<K extends keyof RTCDataChannelEventMap>(type: K, listener: (this: RTCDataChannel, ev: RTCDataChannelEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCDataChannelEventMap>(type: K, listener: (this: RTCDataChannel, ev: RTCDataChannelEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCDataChannel: {
    prototype: RTCDataChannel;
    new(): RTCDataChannel;
};

/**
 * The **`RTCDataChannelEvent`** interface represents an event related to a specific RTCDataChannel.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannelEvent)
 */
interface RTCDataChannelEvent extends Event {
    /**
     * The read-only property **`RTCDataChannelEvent.channel`** returns the RTCDataChannel associated with the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDataChannelEvent/channel)
     */
    readonly channel: RTCDataChannel;
}

declare var RTCDataChannelEvent: {
    prototype: RTCDataChannelEvent;
    new(type: string, eventInitDict: RTCDataChannelEventInit): RTCDataChannelEvent;
};

interface RTCDtlsTransportEventMap {
    "error": RTCErrorEvent;
    "statechange": Event;
}

/**
 * The **`RTCDtlsTransport`** interface provides access to information about the Datagram Transport Layer Security (DTLS) transport over which a RTCPeerConnection's RTP and RTCP packets are sent and received by its RTCRtpSender and RTCRtpReceiver objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDtlsTransport)
 */
interface RTCDtlsTransport extends EventTarget {
    /**
     * The **`iceTransport`** read-only property of the RTCDtlsTransport interface contains a reference to the underlying RTCIceTransport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDtlsTransport/iceTransport)
     */
    readonly iceTransport: RTCIceTransport;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDtlsTransport/error_event) */
    onerror: ((this: RTCDtlsTransport, ev: RTCErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDtlsTransport/statechange_event) */
    onstatechange: ((this: RTCDtlsTransport, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the RTCDtlsTransport interface provides information which describes a Datagram Transport Layer Security (DTLS) transport state.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCDtlsTransport/state)
     */
    readonly state: RTCDtlsTransportState;
    getRemoteCertificates(): ArrayBuffer[];
    addEventListener<K extends keyof RTCDtlsTransportEventMap>(type: K, listener: (this: RTCDtlsTransport, ev: RTCDtlsTransportEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCDtlsTransportEventMap>(type: K, listener: (this: RTCDtlsTransport, ev: RTCDtlsTransportEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCDtlsTransport: {
    prototype: RTCDtlsTransport;
    new(): RTCDtlsTransport;
};

/**
 * The **`RTCEncodedAudioFrame`** of the WebRTC API represents an encoded audio frame in the WebRTC receiver or sender pipeline, which may be modified using a WebRTC Encoded Transform.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedAudioFrame)
 */
interface RTCEncodedAudioFrame {
    /**
     * The **`data`** property of the RTCEncodedAudioFrame interface returns a buffer containing the data for an encoded frame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedAudioFrame/data)
     */
    data: ArrayBuffer;
    /**
     * The **`timestamp`** read-only property of the RTCEncodedAudioFrame interface indicates the time at which frame sampling started.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedAudioFrame/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`getMetadata()`** method of the RTCEncodedAudioFrame interface returns an object containing the metadata associated with the frame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedAudioFrame/getMetadata)
     */
    getMetadata(): RTCEncodedAudioFrameMetadata;
}

declare var RTCEncodedAudioFrame: {
    prototype: RTCEncodedAudioFrame;
    new(): RTCEncodedAudioFrame;
};

/**
 * The **`RTCEncodedVideoFrame`** of the WebRTC API represents an encoded video frame in the WebRTC receiver or sender pipeline, which may be modified using a WebRTC Encoded Transform.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedVideoFrame)
 */
interface RTCEncodedVideoFrame {
    /**
     * The **`data`** property of the RTCEncodedVideoFrame interface returns a buffer containing the frame data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedVideoFrame/data)
     */
    data: ArrayBuffer;
    /**
     * The **`timestamp`** read-only property of the RTCEncodedVideoFrame interface indicates the time at which frame sampling started.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedVideoFrame/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`type`** read-only property of the RTCEncodedVideoFrame interface indicates whether this frame is a key frame, delta frame, or empty frame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedVideoFrame/type)
     */
    readonly type: EncodedVideoChunkType;
    /**
     * The **`getMetadata()`** method of the RTCEncodedVideoFrame interface returns an object containing the metadata associated with the frame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCEncodedVideoFrame/getMetadata)
     */
    getMetadata(): RTCEncodedVideoFrameMetadata;
}

declare var RTCEncodedVideoFrame: {
    prototype: RTCEncodedVideoFrame;
    new(): RTCEncodedVideoFrame;
};

/**
 * The **`RTCError`** interface describes an error which has occurred while handling WebRTC operations. It's based upon the standard DOMException interface that describes general DOM errors.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError)
 */
interface RTCError extends DOMException {
    /**
     * The RTCError interface's read-only **`errorDetail`** property is a string indicating the WebRTC-specific error code that occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError/errorDetail)
     */
    readonly errorDetail: RTCErrorDetailType;
    /**
     * The RTCError read-only property **`receivedAlert`** specifies the fatal DTLS error which resulted in an alert being received from the remote peer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError/receivedAlert)
     */
    readonly receivedAlert: number | null;
    /**
     * The read-only **`sctpCauseCode`** property in an RTCError object provides the SCTP cause code explaining why the SCTP negotiation failed, if the RTCError represents an SCTP error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError/sctpCauseCode)
     */
    readonly sctpCauseCode: number | null;
    /**
     * The RTCError interface's read-only property **`sdpLineNumber`** specifies the line number within the SDP at which a syntax error occurred while parsing it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError/sdpLineNumber)
     */
    readonly sdpLineNumber: number | null;
    /**
     * The read-only **`sentAlert`** property in an RTCError object specifies the DTLS alert number occurred while sending data to the remote peer, if the error represents an outbound DTLS error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCError/sentAlert)
     */
    readonly sentAlert: number | null;
}

declare var RTCError: {
    prototype: RTCError;
    new(init: RTCErrorInit, message?: string): RTCError;
};

/**
 * The WebRTC API's **`RTCErrorEvent`** interface represents an error sent to a WebRTC object. It's based on the standard Event interface, but adds RTC-specific information describing the error, as shown below.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCErrorEvent)
 */
interface RTCErrorEvent extends Event {
    /**
     * The read-only RTCErrorEvent property **`error`** contains an RTCError object describing the details of the error which the event is announcing.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCErrorEvent/error)
     */
    readonly error: RTCError;
}

declare var RTCErrorEvent: {
    prototype: RTCErrorEvent;
    new(type: string, eventInitDict: RTCErrorEventInit): RTCErrorEvent;
};

/**
 * The **`RTCIceCandidate`** interface—part of the WebRTC API—represents a candidate Interactive Connectivity Establishment (ICE) configuration which may be used to establish an RTCPeerConnection.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate)
 */
interface RTCIceCandidate {
    /**
     * The RTCIceCandidate interface's read-only **`address`** property is a string providing the IP address of the device which is the source of the candidate. The address is null by default if not otherwise specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/address)
     */
    readonly address: string | null;
    /**
     * The read-only property **`candidate`** on the RTCIceCandidate interface returns a string describing the candidate in detail. Most of the other properties of RTCIceCandidate are actually extracted from this string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/candidate)
     */
    readonly candidate: string;
    /**
     * The read-only **`component`** property on the RTCIceCandidate interface is a string which indicates whether the candidate is an RTP or an RTCP candidate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/component)
     */
    readonly component: RTCIceComponent | null;
    /**
     * The **`foundation`** read-only property of the RTCIceCandidate interface is a string that allows correlation of candidates from a common network path on multiple RTCIceTransport objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/foundation)
     */
    readonly foundation: string | null;
    /**
     * The RTCIceCandidate interface's read-only **`port`** property contains the port number on the device at the address given by RTCIceCandidate.address at which the candidate's peer can be reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/port)
     */
    readonly port: number | null;
    /**
     * The RTCIceCandidate interface's read-only **`priority`** property specifies the candidate's priority according to the remote peer; the higher this value is, the better the remote peer considers the candidate to be.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/priority)
     */
    readonly priority: number | null;
    /**
     * The RTCIceCandidate interface's read-only **`protocol`** property is a string which indicates whether the candidate uses UDP or TCP as its transport protocol.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/protocol)
     */
    readonly protocol: RTCIceProtocol | null;
    /**
     * The RTCIceCandidate interface's read-only **`relatedAddress`** property is a string indicating the related address of a relay or reflexive candidate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/relatedAddress)
     */
    readonly relatedAddress: string | null;
    /**
     * The RTCIceCandidate interface's read-only **`relatedPort`** property indicates the port number of reflexive or relay candidates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/relatedPort)
     */
    readonly relatedPort: number | null;
    /**
     * The read-only **`sdpMLineIndex`** property on the RTCIceCandidate interface is a zero-based index of the m-line describing the media associated with the candidate.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/sdpMLineIndex)
     */
    readonly sdpMLineIndex: number | null;
    /**
     * The read-only property **`sdpMid`** on the RTCIceCandidate interface returns a string specifying the media stream identification tag of the media component with which the candidate is associated. This ID uniquely identifies a given stream for the component with which the candidate is associated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/sdpMid)
     */
    readonly sdpMid: string | null;
    /**
     * The RTCIceCandidate interface's read-only **`tcpType`** property is included on TCP candidates to provide additional details about the candidate type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/tcpType)
     */
    readonly tcpType: RTCIceTcpCandidateType | null;
    /**
     * The RTCIceCandidate interface's read-only **`type`** specifies the type of candidate the object represents.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/type)
     */
    readonly type: RTCIceCandidateType | null;
    /**
     * The read-only **`usernameFragment`** property on the RTCIceCandidate interface is a string indicating the username fragment ("ufrag") that uniquely identifies a single ICE interaction session.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/usernameFragment)
     */
    readonly usernameFragment: string | null;
    /**
     * The RTCIceCandidate method **`toJSON()`** converts the RTCIceCandidate on which it's called into JSON.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceCandidate/toJSON)
     */
    toJSON(): RTCIceCandidateInit;
}

declare var RTCIceCandidate: {
    prototype: RTCIceCandidate;
    new(candidateInitDict?: RTCLocalIceCandidateInit): RTCIceCandidate;
};

/** The **`RTCIceCandidatePair`** dictionary describes a pair of ICE candidates which together comprise a description of a viable connection between two WebRTC endpoints. It is used as the return value from RTCIceTransport.getSelectedCandidatePair() to identify the currently-selected candidate pair identified by the ICE agent. */
interface RTCIceCandidatePair {
    /** The **`local`** property of the RTCIceCandidatePair dictionary specifies the RTCIceCandidate which describes the configuration of the local end of a viable WebRTC connection. */
    local: RTCIceCandidate;
    /** The **`remote`** property of the RTCIceCandidatePair dictionary specifies the RTCIceCandidate describing the configuration of the remote end of a viable WebRTC connection. */
    remote: RTCIceCandidate;
}

interface RTCIceTransportEventMap {
    "gatheringstatechange": Event;
    "selectedcandidatepairchange": Event;
    "statechange": Event;
}

/**
 * The **`RTCIceTransport`** interface provides access to information about the ICE transport layer over which the data is being sent and received. This is particularly useful if you need to access state information about the connection.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport)
 */
interface RTCIceTransport extends EventTarget {
    /**
     * The **`gatheringState`** read-only property of the RTCIceTransport interface returns a string that indicates the current gathering state of the ICE agent for this transport: "new", "gathering", or "complete".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/gatheringState)
     */
    readonly gatheringState: RTCIceGathererState;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/gatheringstatechange_event) */
    ongatheringstatechange: ((this: RTCIceTransport, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/selectedcandidatepairchange_event) */
    onselectedcandidatepairchange: ((this: RTCIceTransport, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/statechange_event) */
    onstatechange: ((this: RTCIceTransport, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the RTCIceTransport interface returns the current state of the ICE transport, so you can determine the state of ICE gathering in which the ICE agent currently is operating.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/state)
     */
    readonly state: RTCIceTransportState;
    /**
     * The **`getSelectedCandidatePair()`** method of the RTCIceTransport interface returns an RTCIceCandidatePair object containing the current best-choice pair of ICE candidates describing the configuration of the endpoints of the transport.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCIceTransport/getSelectedCandidatePair)
     */
    getSelectedCandidatePair(): RTCIceCandidatePair | null;
    addEventListener<K extends keyof RTCIceTransportEventMap>(type: K, listener: (this: RTCIceTransport, ev: RTCIceTransportEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCIceTransportEventMap>(type: K, listener: (this: RTCIceTransport, ev: RTCIceTransportEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCIceTransport: {
    prototype: RTCIceTransport;
    new(): RTCIceTransport;
};

interface RTCPeerConnectionEventMap {
    "connectionstatechange": Event;
    "datachannel": RTCDataChannelEvent;
    "icecandidate": RTCPeerConnectionIceEvent;
    "icecandidateerror": RTCPeerConnectionIceErrorEvent;
    "iceconnectionstatechange": Event;
    "icegatheringstatechange": Event;
    "negotiationneeded": Event;
    "signalingstatechange": Event;
    "track": RTCTrackEvent;
}

/**
 * The **`RTCPeerConnection`** interface represents a WebRTC connection between the local computer and a remote peer. It provides methods to connect to a remote peer, maintain and monitor the connection, and close the connection once it's no longer needed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection)
 */
interface RTCPeerConnection extends EventTarget {
    /**
     * The **`canTrickleIceCandidates`** read-only property of the RTCPeerConnection interface returns a boolean value which indicates whether or not the remote peer can accept trickled ICE candidates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/canTrickleIceCandidates)
     */
    readonly canTrickleIceCandidates: boolean | null;
    /**
     * The **`connectionState`** read-only property of the RTCPeerConnection interface indicates the current state of the peer connection by returning one of the following string values: new, connecting, connected, disconnected, failed, or closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/connectionState)
     */
    readonly connectionState: RTCPeerConnectionState;
    /**
     * The **`currentLocalDescription`** read-only property of the RTCPeerConnection interface returns an RTCSessionDescription object describing the local end of the connection as it was most recently successfully negotiated since the last time the RTCPeerConnection finished negotiating and connecting to a remote peer. Also included is a list of any ICE candidates that may already have been generated by the ICE agent since the offer or answer represented by the description was first instantiated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/currentLocalDescription)
     */
    readonly currentLocalDescription: RTCSessionDescription | null;
    /**
     * The **`currentRemoteDescription`** read-only property of the RTCPeerConnection interface returns an RTCSessionDescription object describing the remote end of the connection as it was most recently successfully negotiated since the last time the RTCPeerConnection finished negotiating and connecting to a remote peer. Also included is a list of any ICE candidates that may already have been generated by the ICE agent since the offer or answer represented by the description was first instantiated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/currentRemoteDescription)
     */
    readonly currentRemoteDescription: RTCSessionDescription | null;
    /**
     * The **`iceConnectionState`** read-only property of the RTCPeerConnection interface returns a string which state of the ICE agent associated with the RTCPeerConnection: new, checking, connected, completed, failed, disconnected, and closed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/iceConnectionState)
     */
    readonly iceConnectionState: RTCIceConnectionState;
    /**
     * The **`iceGatheringState`** read-only property of the RTCPeerConnection interface returns a string that describes the overall ICE gathering state for this connection. This lets you detect, for example, when collection of ICE candidates has finished.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/iceGatheringState)
     */
    readonly iceGatheringState: RTCIceGatheringState;
    /**
     * The **`localDescription`** read-only property of the RTCPeerConnection interface returns an RTCSessionDescription describing the session for the local end of the connection. If it has not yet been set, this is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/localDescription)
     */
    readonly localDescription: RTCSessionDescription | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/connectionstatechange_event) */
    onconnectionstatechange: ((this: RTCPeerConnection, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/datachannel_event) */
    ondatachannel: ((this: RTCPeerConnection, ev: RTCDataChannelEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/icecandidate_event) */
    onicecandidate: ((this: RTCPeerConnection, ev: RTCPeerConnectionIceEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/icecandidateerror_event) */
    onicecandidateerror: ((this: RTCPeerConnection, ev: RTCPeerConnectionIceErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/iceconnectionstatechange_event) */
    oniceconnectionstatechange: ((this: RTCPeerConnection, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/icegatheringstatechange_event) */
    onicegatheringstatechange: ((this: RTCPeerConnection, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/negotiationneeded_event) */
    onnegotiationneeded: ((this: RTCPeerConnection, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/signalingstatechange_event) */
    onsignalingstatechange: ((this: RTCPeerConnection, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/track_event) */
    ontrack: ((this: RTCPeerConnection, ev: RTCTrackEvent) => any) | null;
    /**
     * The **`pendingLocalDescription`** read-only property of the RTCPeerConnection interface returns an RTCSessionDescription object describing a pending configuration change for the local end of the connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/pendingLocalDescription)
     */
    readonly pendingLocalDescription: RTCSessionDescription | null;
    /**
     * The **`pendingRemoteDescription`** read-only property of the RTCPeerConnection interface returns an RTCSessionDescription object describing a pending configuration change for the remote end of the connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/pendingRemoteDescription)
     */
    readonly pendingRemoteDescription: RTCSessionDescription | null;
    /**
     * The **`remoteDescription`** read-only property of the RTCPeerConnection interface returns a RTCSessionDescription describing the session (which includes configuration and media information) for the remote end of the connection. If this hasn't been set yet, this is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/remoteDescription)
     */
    readonly remoteDescription: RTCSessionDescription | null;
    /**
     * The **`sctp`** read-only property of the RTCPeerConnection interface returns an RTCSctpTransport describing the SCTP transport over which SCTP data is being sent and received. If SCTP hasn't been negotiated, this value is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/sctp)
     */
    readonly sctp: RTCSctpTransport | null;
    /**
     * The **`signalingState`** read-only property of the RTCPeerConnection interface returns a string value describing the state of the signaling process on the local end of the connection while connecting or reconnecting to another peer. See Signaling in our WebRTC session lifetime page.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/signalingState)
     */
    readonly signalingState: RTCSignalingState;
    /**
     * The **`addIceCandidate()`** method of the RTCPeerConnection interface adds a new remote candidate to the connection's remote description, which describes the state of the remote end of the connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/addIceCandidate)
     */
    addIceCandidate(candidate?: RTCIceCandidateInit | null): Promise<void>;
    /** @deprecated */
    addIceCandidate(candidate: RTCIceCandidateInit | null, successCallback: VoidFunction, failureCallback: RTCPeerConnectionErrorCallback): Promise<void>;
    /**
     * The **`addTrack()`** method of the RTCPeerConnection interface adds a new media track to the set of tracks which will be transmitted to the other peer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/addTrack)
     */
    addTrack(track: MediaStreamTrack, ...streams: MediaStream[]): RTCRtpSender;
    /**
     * The **`addTransceiver()`** method of the RTCPeerConnection interface creates a new RTCRtpTransceiver and adds it to the set of transceivers associated with the RTCPeerConnection. Each transceiver represents a bidirectional stream, with both an RTCRtpSender and an RTCRtpReceiver associated with it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/addTransceiver)
     */
    addTransceiver(trackOrKind: MediaStreamTrack | string, init?: RTCRtpTransceiverInit): RTCRtpTransceiver;
    /**
     * The **`close()`** method of the RTCPeerConnection interface closes the current peer connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/close)
     */
    close(): void;
    /**
     * The **`createAnswer()`** method of the RTCPeerConnection interface creates an SDP answer to an offer received from a remote peer during the offer/answer negotiation of a WebRTC connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/createAnswer)
     */
    createAnswer(options?: RTCAnswerOptions): Promise<RTCSessionDescriptionInit>;
    /** @deprecated */
    createAnswer(successCallback: RTCSessionDescriptionCallback, failureCallback: RTCPeerConnectionErrorCallback): Promise<void>;
    /**
     * The **`createDataChannel()`** method of the RTCPeerConnection interface creates a new channel linked with the remote peer, over which any kind of data may be transmitted. This can be useful for back-channel content, such as images, file transfer, text chat, game update packets, and so forth.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/createDataChannel)
     */
    createDataChannel(label: string, dataChannelDict?: RTCDataChannelInit): RTCDataChannel;
    /**
     * The **`createOffer()`** method of the RTCPeerConnection interface initiates the creation of an SDP offer for the purpose of starting a new WebRTC connection to a remote peer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/createOffer)
     */
    createOffer(options?: RTCOfferOptions): Promise<RTCSessionDescriptionInit>;
    /** @deprecated */
    createOffer(successCallback: RTCSessionDescriptionCallback, failureCallback: RTCPeerConnectionErrorCallback, options?: RTCOfferOptions): Promise<void>;
    /**
     * The **`getConfiguration()`** method of the RTCPeerConnection interface returns an object which indicates the current configuration of the RTCPeerConnection on which the method is called.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/getConfiguration)
     */
    getConfiguration(): RTCConfiguration;
    /**
     * The **`getReceivers()`** method of the RTCPeerConnection interface returns an array of RTCRtpReceiver objects, each of which represents one RTP receiver. Each RTP receiver manages the reception and decoding of data for a MediaStreamTrack on an RTCPeerConnection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/getReceivers)
     */
    getReceivers(): RTCRtpReceiver[];
    /**
     * The **`getSenders()`** method of the RTCPeerConnection interface returns an array of RTCRtpSender objects, each of which represents the RTP sender responsible for transmitting one track's data. A sender object provides methods and properties for examining and controlling the encoding and transmission of the track's data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/getSenders)
     */
    getSenders(): RTCRtpSender[];
    /**
     * The **`getStats()`** method of the RTCPeerConnection interface returns a promise which resolves with data providing statistics about either the overall connection or about the specified MediaStreamTrack.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/getStats)
     */
    getStats(selector?: MediaStreamTrack | null): Promise<RTCStatsReport>;
    /**
     * The **`getTransceivers()`** method of the RTCPeerConnection interface returns a list of the RTCRtpTransceiver objects being used to send and receive data on the connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/getTransceivers)
     */
    getTransceivers(): RTCRtpTransceiver[];
    /**
     * The **`removeTrack()`** method of the RTCPeerConnection interface tells the local end of the connection to stop sending media from the specified track, without actually removing the corresponding RTCRtpSender from the list of senders as reported by RTCPeerConnection.getSenders(). If the track is already stopped, or is not in the connection's senders list, this method has no effect.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/removeTrack)
     */
    removeTrack(sender: RTCRtpSender): void;
    /**
     * The **`restartIce()`** method of the RTCPeerConnection interface allows a web application to request that ICE candidate gathering be redone on both ends of the connection. This simplifies the process by allowing the same method to be used by either the caller or the receiver to trigger an ICE restart.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/restartIce)
     */
    restartIce(): void;
    /**
     * The **`setConfiguration()`** method of the RTCPeerConnection interface sets the current configuration of the connection based on the values included in the specified object. This lets you change the ICE servers used by the connection and which transport policies to use.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/setConfiguration)
     */
    setConfiguration(configuration?: RTCConfiguration): void;
    /**
     * The **`setLocalDescription()`** method of the RTCPeerConnection interface changes the local description associated with the connection. This description specifies the properties of the local end of the connection, including the media format. The method takes a single parameter—the session description—and it returns a Promise which is fulfilled once the description has been changed, asynchronously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/setLocalDescription)
     */
    setLocalDescription(description?: RTCLocalSessionDescriptionInit): Promise<void>;
    /** @deprecated */
    setLocalDescription(description: RTCLocalSessionDescriptionInit, successCallback: VoidFunction, failureCallback: RTCPeerConnectionErrorCallback): Promise<void>;
    /**
     * The **`setRemoteDescription()`** method of the RTCPeerConnection interface sets the specified session description as the remote peer's current offer or answer. The description specifies the properties of the remote end of the connection, including the media format. The method takes a single parameter—the session description—and it returns a Promise which is fulfilled once the description has been changed, asynchronously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/setRemoteDescription)
     */
    setRemoteDescription(description: RTCSessionDescriptionInit): Promise<void>;
    /** @deprecated */
    setRemoteDescription(description: RTCSessionDescriptionInit, successCallback: VoidFunction, failureCallback: RTCPeerConnectionErrorCallback): Promise<void>;
    addEventListener<K extends keyof RTCPeerConnectionEventMap>(type: K, listener: (this: RTCPeerConnection, ev: RTCPeerConnectionEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCPeerConnectionEventMap>(type: K, listener: (this: RTCPeerConnection, ev: RTCPeerConnectionEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCPeerConnection: {
    prototype: RTCPeerConnection;
    new(configuration?: RTCConfiguration): RTCPeerConnection;
    /**
     * The **`generateCertificate()`** static function of the RTCPeerConnection interface creates an X.509 certificate and corresponding private key, returning a promise that resolves with the new RTCCertificate once it's generated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnection/generateCertificate_static)
     */
    generateCertificate(keygenAlgorithm: AlgorithmIdentifier): Promise<RTCCertificate>;
};

/**
 * The **`RTCPeerConnectionIceErrorEvent`** interface—based upon the Event interface—provides details pertaining to an ICE error announced by sending an icecandidateerror event to the RTCPeerConnection object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnectionIceErrorEvent)
 */
interface RTCPeerConnectionIceErrorEvent extends Event {
    /**
     * The RTCPeerConnectionIceErrorEvent property **`address`** is a string which indicates the local IP address being used to communicate with the STUN or TURN server during negotiations. The error which occurred involved this address.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnectionIceErrorEvent/address)
     */
    readonly address: string | null;
    readonly errorCode: number;
    readonly errorText: string;
    readonly port: number | null;
    readonly url: string;
}

declare var RTCPeerConnectionIceErrorEvent: {
    prototype: RTCPeerConnectionIceErrorEvent;
    new(type: string, eventInitDict: RTCPeerConnectionIceErrorEventInit): RTCPeerConnectionIceErrorEvent;
};

/**
 * The **`RTCPeerConnectionIceEvent`** interface represents events that occur in relation to ICE candidates with the target, usually an RTCPeerConnection.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnectionIceEvent)
 */
interface RTCPeerConnectionIceEvent extends Event {
    /**
     * The read-only **`candidate`** property of the RTCPeerConnectionIceEvent interface returns the RTCIceCandidate associated with the event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCPeerConnectionIceEvent/candidate)
     */
    readonly candidate: RTCIceCandidate | null;
}

declare var RTCPeerConnectionIceEvent: {
    prototype: RTCPeerConnectionIceEvent;
    new(type: string, eventInitDict?: RTCPeerConnectionIceEventInit): RTCPeerConnectionIceEvent;
};

/**
 * The **`RTCRtpReceiver`** interface of the WebRTC API manages the reception and decoding of data for a MediaStreamTrack on an RTCPeerConnection.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver)
 */
interface RTCRtpReceiver {
    /**
     * The **`jitterBufferTarget`** property of the RTCRtpReceiver interface is a DOMHighResTimeStamp that indicates the application's preferred duration, in milliseconds, for which the jitter buffer should hold media before playing it out.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/jitterBufferTarget)
     */
    jitterBufferTarget: DOMHighResTimeStamp | null;
    /**
     * The **`track`** read-only property of the RTCRtpReceiver interface returns the MediaStreamTrack associated with the current RTCRtpReceiver instance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/track)
     */
    readonly track: MediaStreamTrack;
    /**
     * The **`transform`** property of the RTCRtpReceiver object is used to insert a transform stream (TransformStream) running in a worker thread into the receiver pipeline. This allows stream transforms to be applied to encoded video and audio frames as they arrive from the packetizer (before they are played/rendered).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/transform)
     */
    transform: RTCRtpReceiverTransform | null;
    /**
     * The read-only **`transport`** property of an RTCRtpReceiver object provides the RTCDtlsTransport object used to interact with the underlying transport over which the receiver is exchanging Real-time Transport Control Protocol (RTCP) packets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/transport)
     */
    readonly transport: RTCDtlsTransport | null;
    /**
     * The **`getContributingSources()`** method of the RTCRtpReceiver interface returns an array of objects, each corresponding to one CSRC (contributing source) identifier received by the current RTCRtpReceiver in the last ten seconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/getContributingSources)
     */
    getContributingSources(): RTCRtpContributingSource[];
    /**
     * The **`getParameters()`** method of the RTCRtpReceiver interface returns an object describing the current configuration for how the receiver's track is decoded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/getParameters)
     */
    getParameters(): RTCRtpReceiveParameters;
    /**
     * The RTCRtpReceiver method **`getStats()`** asynchronously requests an RTCStatsReport object which provides statistics about incoming traffic on the owning RTCPeerConnection, returning a Promise whose fulfillment handler will be called once the results are available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/getStats)
     */
    getStats(): Promise<RTCStatsReport>;
    /**
     * The **`getSynchronizationSources()`** method of the RTCRtpReceiver interface returns an array of objects, each corresponding to one SSRC (synchronization source) identifier received by the current RTCRtpReceiver in the last ten seconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/getSynchronizationSources)
     */
    getSynchronizationSources(): RTCRtpSynchronizationSource[];
}

declare var RTCRtpReceiver: {
    prototype: RTCRtpReceiver;
    new(): RTCRtpReceiver;
    /**
     * The static method **`RTCRtpReceiver.getCapabilities()`** returns an object describing the codec and header extension capabilities supported by RTCRtpReceiver objects on the current device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpReceiver/getCapabilities_static)
     */
    getCapabilities(kind: string): RTCRtpCapabilities | null;
};

/**
 * The **`RTCRtpScriptTransform`** interface of the WebRTC API is used to insert a WebRTC Encoded Transform (a TransformStream running in a worker thread) into the WebRTC sender and receiver pipelines.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpScriptTransform)
 */
interface RTCRtpScriptTransform {
}

declare var RTCRtpScriptTransform: {
    prototype: RTCRtpScriptTransform;
    new(worker: Worker, options?: any, transfer?: any[]): RTCRtpScriptTransform;
};

/**
 * The **`RTCRtpSender`** interface provides the ability to control and obtain details about how a particular MediaStreamTrack is encoded and sent to a remote peer.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender)
 */
interface RTCRtpSender {
    /**
     * The read-only **`dtmf`** property on the RTCRtpSender interface returns a RTCDTMFSender object which can be used to send DTMF tones over the RTCPeerConnection. See Using DTMF for details on how to make use of the returned RTCDTMFSender object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/dtmf)
     */
    readonly dtmf: RTCDTMFSender | null;
    /**
     * The **`track`** read-only property of the RTCRtpSender interface returns the MediaStreamTrack which is being handled by the RTCRtpSender.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/track)
     */
    readonly track: MediaStreamTrack | null;
    /**
     * The **`transform`** property of the RTCRtpSender object is used to insert a transform stream (TransformStream) running in a worker thread into the sender pipeline. This allows stream transforms to be applied to encoded video and audio frames after they are output by a codec, and before they are sent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/transform)
     */
    transform: RTCRtpSenderTransform | null;
    /**
     * The read-only **`transport`** property of an RTCRtpSender object provides the RTCDtlsTransport object used to interact with the underlying transport over which the sender is exchanging Real-time Transport Control Protocol (RTCP) packets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/transport)
     */
    readonly transport: RTCDtlsTransport | null;
    /**
     * The **`getParameters()`** method of the RTCRtpSender interface returns an object describing the current configuration for how the sender's track will be encoded and transmitted to a remote RTCRtpReceiver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/getParameters)
     */
    getParameters(): RTCRtpSendParameters;
    /**
     * The RTCRtpSender method **`getStats()`** asynchronously requests an RTCStatsReport object which provides statistics about outgoing traffic on the RTCPeerConnection which owns the sender, returning a Promise which is fulfilled when the results are available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/getStats)
     */
    getStats(): Promise<RTCStatsReport>;
    /**
     * The RTCRtpSender method **`replaceTrack()`** replaces the track currently being used as the sender's source with a new MediaStreamTrack.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/replaceTrack)
     */
    replaceTrack(withTrack: MediaStreamTrack | null): Promise<void>;
    /**
     * The **`setParameters()`** method of the RTCRtpSender interface applies changes the configuration of sender's track, which is the MediaStreamTrack for which the RTCRtpSender is responsible.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/setParameters)
     */
    setParameters(parameters: RTCRtpSendParameters, setParameterOptions?: RTCSetParameterOptions): Promise<void>;
    /**
     * The RTCRtpSender method **`setStreams()`** associates the sender's track with the specified MediaStream objects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/setStreams)
     */
    setStreams(...streams: MediaStream[]): void;
}

declare var RTCRtpSender: {
    prototype: RTCRtpSender;
    new(): RTCRtpSender;
    /**
     * The static method **`RTCRtpSender.getCapabilities()`** returns an object describing the codec and header extension capabilities supported by the RTCRtpSender.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/getCapabilities_static)
     */
    getCapabilities(kind: string): RTCRtpCapabilities | null;
};

/**
 * The WebRTC interface **`RTCRtpTransceiver`** describes a permanent pairing of an RTCRtpSender and an RTCRtpReceiver, along with some shared state.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver)
 */
interface RTCRtpTransceiver {
    /**
     * The read-only RTCRtpTransceiver property **`currentDirection`** is a string which indicates the current negotiated directionality of the transceiver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/currentDirection)
     */
    readonly currentDirection: RTCRtpTransceiverDirection | null;
    /**
     * The RTCRtpTransceiver property **`direction`** is a string that indicates the transceiver's preferred directionality.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/direction)
     */
    direction: RTCRtpTransceiverDirection;
    /**
     * The read-only RTCRtpTransceiver interface's **`mid`** property specifies the negotiated media ID (mid) which the local and remote peers have agreed upon to uniquely identify the stream's pairing of sender and receiver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/mid)
     */
    readonly mid: string | null;
    /**
     * The read-only **`receiver`** property of WebRTC's RTCRtpTransceiver interface indicates the RTCRtpReceiver responsible for receiving and decoding incoming media data for the transceiver's stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/receiver)
     */
    readonly receiver: RTCRtpReceiver;
    /**
     * The read-only **`sender`** property of WebRTC's RTCRtpTransceiver interface indicates the RTCRtpSender responsible for encoding and sending outgoing media data for the transceiver's stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/sender)
     */
    readonly sender: RTCRtpSender;
    /**
     * The **`setCodecPreferences()`** method of the RTCRtpTransceiver interface is used to set the codecs that the transceiver allows for decoding received data, in order of decreasing preference.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/setCodecPreferences)
     */
    setCodecPreferences(codecs: RTCRtpCodec[]): void;
    /**
     * The **`stop()`** method in the RTCRtpTransceiver interface permanently stops the transceiver by stopping both the associated RTCRtpSender and RTCRtpReceiver.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpTransceiver/stop)
     */
    stop(): void;
}

declare var RTCRtpTransceiver: {
    prototype: RTCRtpTransceiver;
    new(): RTCRtpTransceiver;
};

interface RTCSctpTransportEventMap {
    "statechange": Event;
}

/**
 * The **`RTCSctpTransport`** interface provides information which describes a Stream Control Transmission Protocol (SCTP) transport. This provides information about limitations of the transport, but also provides a way to access the underlying Datagram Transport Layer Security (DTLS) transport over which SCTP packets for all of an RTCPeerConnection's data channels are sent and received.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport)
 */
interface RTCSctpTransport extends EventTarget {
    /**
     * The **`maxChannels`** read-only property of the RTCSctpTransport interface indicates the maximum number of RTCDataChannel objects that can be opened simultaneously.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport/maxChannels)
     */
    readonly maxChannels: number | null;
    /**
     * The **`maxMessageSize`** read-only property of the RTCSctpTransport interface indicates the maximum size of a message that can be sent using the RTCDataChannel.send() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport/maxMessageSize)
     */
    readonly maxMessageSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport/statechange_event) */
    onstatechange: ((this: RTCSctpTransport, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the RTCSctpTransport interface provides information which describes a Stream Control Transmission Protocol (SCTP) transport state.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport/state)
     */
    readonly state: RTCSctpTransportState;
    /**
     * The **`transport`** read-only property of the RTCSctpTransport interface returns a RTCDtlsTransport object representing the DTLS transport used for the transmission and receipt of data packets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSctpTransport/transport)
     */
    readonly transport: RTCDtlsTransport;
    addEventListener<K extends keyof RTCSctpTransportEventMap>(type: K, listener: (this: RTCSctpTransport, ev: RTCSctpTransportEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RTCSctpTransportEventMap>(type: K, listener: (this: RTCSctpTransport, ev: RTCSctpTransportEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RTCSctpTransport: {
    prototype: RTCSctpTransport;
    new(): RTCSctpTransport;
};

/**
 * The **`RTCSessionDescription`** interface describes one end of a connection—or potential connection—and how it's configured. Each RTCSessionDescription consists of a description type indicating which part of the offer/answer negotiation process it describes and of the SDP descriptor of the session.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSessionDescription)
 */
interface RTCSessionDescription {
    /**
     * The property **`RTCSessionDescription.sdp`** is a read-only string containing the SDP which describes the session.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSessionDescription/sdp)
     */
    readonly sdp: string;
    /**
     * The property **`RTCSessionDescription.type`** is a read-only string value which describes the description's type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSessionDescription/type)
     */
    readonly type: RTCSdpType;
    /**
     * The **`RTCSessionDescription.toJSON()`** method generates a JSON description of the object. Both properties, type and sdp, are contained in the generated JSON.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCSessionDescription/toJSON)
     */
    toJSON(): RTCSessionDescriptionInit;
}

declare var RTCSessionDescription: {
    prototype: RTCSessionDescription;
    new(descriptionInitDict: RTCSessionDescriptionInit): RTCSessionDescription;
};

/**
 * The **`RTCStatsReport`** interface of the WebRTC API provides a statistics report for a RTCPeerConnection, RTCRtpSender, or RTCRtpReceiver.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCStatsReport)
 */
interface RTCStatsReport {
    forEach(callbackfn: (value: any, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
}

declare var RTCStatsReport: {
    prototype: RTCStatsReport;
    new(): RTCStatsReport;
};

/**
 * The WebRTC API interface **`RTCTrackEvent`** represents the track event, which is sent when a new MediaStreamTrack is added to an RTCRtpReceiver which is part of the RTCPeerConnection.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCTrackEvent)
 */
interface RTCTrackEvent extends Event {
    /**
     * The read-only **`receiver`** property of the RTCTrackEvent interface indicates the RTCRtpReceiver which is used to receive data containing media for the track to which the event refers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCTrackEvent/receiver)
     */
    readonly receiver: RTCRtpReceiver;
    /**
     * The WebRTC API interface RTCTrackEvent's read-only **`streams`** property specifies an array of MediaStream objects, one for each of the streams that comprise the track being added to the RTCPeerConnection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCTrackEvent/streams)
     */
    readonly streams: ReadonlyArray<MediaStream>;
    /**
     * The WebRTC API interface RTCTrackEvent's read-only **`track`** property specifies the MediaStreamTrack that has been added to the RTCPeerConnection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCTrackEvent/track)
     */
    readonly track: MediaStreamTrack;
    /**
     * The WebRTC API interface RTCTrackEvent's read-only **`transceiver`** property indicates the RTCRtpTransceiver affiliated with the event's track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCTrackEvent/transceiver)
     */
    readonly transceiver: RTCRtpTransceiver;
}

declare var RTCTrackEvent: {
    prototype: RTCTrackEvent;
    new(type: string, eventInitDict: RTCTrackEventInit): RTCTrackEvent;
};

/**
 * The **`RadioNodeList`** interface represents a collection of elements in a <form> returned by a call to HTMLFormControlsCollection.namedItem().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RadioNodeList)
 */
interface RadioNodeList extends NodeListOf<HTMLInputElement> {
    /**
     * If the underlying element collection contains radio buttons, the **`RadioNodeList.value`** property represents the checked radio button. On retrieving the value property, the value of the currently checked radio button is returned as a string. If the collection does not contain any radio buttons or none of the radio buttons in the collection is in checked state, the empty string is returned. On setting the value property, the first radio button input element whose value property is equal to the new value will be set to checked.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RadioNodeList/value)
     */
    value: string;
}

declare var RadioNodeList: {
    prototype: RadioNodeList;
    new(): RadioNodeList;
};

/**
 * The **`Range`** interface represents a fragment of a document that can contain nodes and parts of text nodes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range)
 */
interface Range extends AbstractRange {
    /**
     * The **`Range.commonAncestorContainer`** read-only property returns the deepest — or furthest down the document tree — Node that contains both boundary points of the Range. This means that if startContainer and endContainer both refer to the same node, this node is the common ancestor container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/commonAncestorContainer)
     */
    readonly commonAncestorContainer: Node;
    /**
     * The **`cloneContents()`** method of the Range interface copies the selected Node children of the range's commonAncestorContainer and puts them in a new DocumentFragment object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/cloneContents)
     */
    cloneContents(): DocumentFragment;
    /**
     * The **`Range.cloneRange()`** method returns a Range object with boundary points identical to the cloned Range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/cloneRange)
     */
    cloneRange(): Range;
    /**
     * The **`collapse()`** method of the Range interface collapses the Range to one of its boundary points.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/collapse)
     */
    collapse(toStart?: boolean): void;
    /**
     * The **`compareBoundaryPoints()`** method of the Range interface compares the boundary points of the Range with those of another range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/compareBoundaryPoints)
     */
    compareBoundaryPoints(how: number, sourceRange: Range): number;
    /**
     * The **`comparePoint()`** method of the Range interface determines whether a specified point is before, within, or after the Range. The point is specified by a reference node and an offset within that node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/comparePoint)
     */
    comparePoint(node: Node, offset: number): number;
    /**
     * The **`Range.createContextualFragment()`** method of the Range interface returns a DocumentFragment representing the parsed input HTML or XML.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/createContextualFragment)
     */
    createContextualFragment(string: string): DocumentFragment;
    /**
     * The **`Range.deleteContents()`** method removes all completely-selected nodes within this range from the document. For the partially selected nodes at the start or end of the range, only the selected portion of the text is deleted, while the node itself remains intact. Afterwards, the range is collapsed to the end of the last selected node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/deleteContents)
     */
    deleteContents(): void;
    /**
     * The **`Range.detach()`** method does nothing. It used to disable the Range object and enable the browser to release associated resources. The method has been kept for compatibility.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/detach)
     */
    detach(): void;
    /**
     * The **`extractContents()`** method of the Range interface is similar to a combination of Range.cloneContents() and Range.deleteContents(). It removes the child Nodes of the range from the document, clones them, and returns them as a new DocumentFragment object. For partially selected nodes, only the selected text is deleted, but all containing parent nodes up to the common ancestor are cloned as well, resulting in two copies of these nodes, one in the original document and one in the extracted fragment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/extractContents)
     */
    extractContents(): DocumentFragment;
    /**
     * The **`Range.getBoundingClientRect()`** method returns a DOMRect object that bounds the contents of the range; this is a rectangle enclosing the union of the bounding rectangles for all the elements in the range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/getBoundingClientRect)
     */
    getBoundingClientRect(): DOMRect;
    /**
     * The **`Range.getClientRects()`** method returns a list of DOMRect objects representing the area of the screen occupied by the range. This is created by aggregating the results of calls to Element.getClientRects() for all the elements in the range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/getClientRects)
     */
    getClientRects(): DOMRectList;
    /**
     * The **`Range.insertNode()`** method inserts a node at the start of the Range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/insertNode)
     */
    insertNode(node: Node): void;
    /**
     * The **`Range.intersectsNode()`** method returns a boolean indicating whether the given Node intersects the Range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/intersectsNode)
     */
    intersectsNode(node: Node): boolean;
    /**
     * The **`isPointInRange()`** method of the Range interface determines whether a specified point is within the Range. The point is specified by a reference node and an offset within that node. It is equivalent to calling Range.comparePoint() and checking if the result is 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/isPointInRange)
     */
    isPointInRange(node: Node, offset: number): boolean;
    /**
     * The **`Range.selectNode()`** method sets the Range to contain the Node and its contents. The parent Node of the start and end of the Range will be the same as the parent of the referenceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/selectNode)
     */
    selectNode(node: Node): void;
    /**
     * The **`Range.selectNodeContents()`** method sets the Range to contain the contents of a Node.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/selectNodeContents)
     */
    selectNodeContents(node: Node): void;
    /**
     * The **`Range.setEnd()`** method sets the end position of a Range to be located at the given offset into the specified node. Setting the end point above (higher in the document) than the start point will result in a collapsed range with the start and end points both set to the specified end position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setEnd)
     */
    setEnd(node: Node, offset: number): void;
    /**
     * The **`Range.setEndAfter()`** method sets the end position of a Range relative to another Node. The parent Node of end of the Range will be the same as that for the referenceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setEndAfter)
     */
    setEndAfter(node: Node): void;
    /**
     * The **`Range.setEndBefore()`** method sets the end position of a Range relative to another Node. The parent Node of end of the Range will be the same as that for the referenceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setEndBefore)
     */
    setEndBefore(node: Node): void;
    /**
     * The **`Range.setStart()`** method sets the start position of a Range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setStart)
     */
    setStart(node: Node, offset: number): void;
    /**
     * The **`Range.setStartAfter()`** method sets the start position of a Range relative to a Node. The parent Node of the start of the Range will be the same as that for the referenceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setStartAfter)
     */
    setStartAfter(node: Node): void;
    /**
     * The **`Range.setStartBefore()`** method sets the start position of a Range relative to another Node. The parent Node of the start of the Range will be the same as that for the referenceNode.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/setStartBefore)
     */
    setStartBefore(node: Node): void;
    /**
     * The **`surroundContents()`** method of the Range interface surrounds the selected content by a provided node. It extracts the contents of the range, replaces the children of newParent with the extracted contents, inserts newParent at the location of the extracted contents, and makes the range select newParent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Range/surroundContents)
     */
    surroundContents(newParent: Node): void;
    toString(): string;
    readonly START_TO_START: 0;
    readonly START_TO_END: 1;
    readonly END_TO_END: 2;
    readonly END_TO_START: 3;
}

declare var Range: {
    prototype: Range;
    new(): Range;
    readonly START_TO_START: 0;
    readonly START_TO_END: 1;
    readonly END_TO_END: 2;
    readonly END_TO_START: 3;
};

/**
 * The **`ReadableByteStreamController`** interface of the Streams API represents a controller for a readable byte stream. It allows control of the state and internal queue of a ReadableStream with an underlying byte source, and enables efficient zero-copy transfer of data from the underlying source to a consumer when the stream's internal queue is empty.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController)
 */
interface ReadableByteStreamController {
    /**
     * The **`byobRequest`** read-only property of the ReadableByteStreamController interface returns the current BYOB request, or null if there are no pending requests.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController/byobRequest)
     */
    readonly byobRequest: ReadableStreamBYOBRequest | null;
    /**
     * The **`desiredSize`** read-only property of the ReadableByteStreamController interface returns the number of bytes required to fill the stream's internal queue to its "desired size".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController/desiredSize)
     */
    readonly desiredSize: number | null;
    /**
     * The **`close()`** method of the ReadableByteStreamController interface closes the associated stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController/close)
     */
    close(): void;
    /**
     * The **`enqueue()`** method of the ReadableByteStreamController interface enqueues a given chunk on the associated readable byte stream (the chunk is transferred into the stream's internal queues).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController/enqueue)
     */
    enqueue(chunk: ArrayBufferView<ArrayBuffer>): void;
    /**
     * The **`error()`** method of the ReadableByteStreamController interface causes any future interactions with the associated stream to error with the specified reason.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableByteStreamController/error)
     */
    error(e?: any): void;
}

declare var ReadableByteStreamController: {
    prototype: ReadableByteStreamController;
    new(): ReadableByteStreamController;
};

/**
 * The **`ReadableStream`** interface of the Streams API represents a readable stream of byte data. The Fetch API offers a concrete instance of a ReadableStream through the body property of a Response object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream)
 */
interface ReadableStream<R = any> {
    /**
     * The **`locked`** read-only property of the ReadableStream interface returns whether or not the readable stream is locked to a reader.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/locked)
     */
    readonly locked: boolean;
    /**
     * The **`cancel()`** method of the ReadableStream interface returns a Promise that resolves when the stream is canceled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/cancel)
     */
    cancel(reason?: any): Promise<void>;
    /**
     * The **`getReader()`** method of the ReadableStream interface creates a reader and locks the stream to it. While the stream is locked, no other reader can be acquired until this one is released.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/getReader)
     */
    getReader(options: { mode: "byob" }): ReadableStreamBYOBReader;
    getReader(): ReadableStreamDefaultReader<R>;
    getReader(options?: ReadableStreamGetReaderOptions): ReadableStreamReader<R>;
    /**
     * The **`pipeThrough()`** method of the ReadableStream interface provides a chainable way of piping the current stream through a transform stream or any other writable/readable pair.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/pipeThrough)
     */
    pipeThrough<T>(transform: ReadableWritablePair<T, R>, options?: StreamPipeOptions): ReadableStream<T>;
    /**
     * The **`pipeTo()`** method of the ReadableStream interface pipes the current ReadableStream to a given WritableStream and returns a Promise that fulfills when the piping process completes successfully, or rejects if any errors were encountered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/pipeTo)
     */
    pipeTo(destination: WritableStream<R>, options?: StreamPipeOptions): Promise<void>;
    /**
     * The **`tee()`** method of the ReadableStream interface tees the current readable stream, returning a two-element array containing the two resulting branches as new ReadableStream instances.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStream/tee)
     */
    tee(): [ReadableStream<R>, ReadableStream<R>];
}

declare var ReadableStream: {
    prototype: ReadableStream;
    new(underlyingSource: UnderlyingByteSource, strategy?: { highWaterMark?: number }): ReadableStream<Uint8Array<ArrayBuffer>>;
    new<R = any>(underlyingSource: UnderlyingDefaultSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
    new<R = any>(underlyingSource?: UnderlyingSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
};

/**
 * The **`ReadableStreamBYOBReader`** interface of the Streams API defines a reader for a ReadableStream that supports zero-copy reading from an underlying byte source. It is used for efficient copying from underlying sources where the data is delivered as an "anonymous" sequence of bytes, such as files.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader)
 */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
    /**
     * The **`read()`** method of the ReadableStreamBYOBReader interface is used to read data into a view on a user-supplied buffer from an associated readable byte stream. A request for data will be satisfied from the stream's internal queues if there is any data present. If the stream queues are empty, the request may be supplied as a zero-copy transfer from the underlying byte source.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read)
     */
    read<T extends Exclude<BufferSource, ArrayBuffer>>(view: T, options?: ReadableStreamBYOBReaderReadOptions): Promise<ReadableStreamReadResult<T>>;
    /**
     * The **`releaseLock()`** method of the ReadableStreamBYOBReader interface releases the reader's lock on the stream. After the lock is released, the reader is no longer active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock)
     */
    releaseLock(): void;
}

declare var ReadableStreamBYOBReader: {
    prototype: ReadableStreamBYOBReader;
    new(stream: ReadableStream<Uint8Array<ArrayBuffer>>): ReadableStreamBYOBReader;
};

/**
 * The **`ReadableStreamBYOBRequest`** interface of the Streams API represents a "pull request" for data from an underlying source that will made as a zero-copy transfer to a consumer (bypassing the stream's internal queues).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBRequest)
 */
interface ReadableStreamBYOBRequest {
    /**
     * The **`view`** getter property of the ReadableStreamBYOBRequest interface returns the current view.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBRequest/view)
     */
    readonly view: ArrayBufferView<ArrayBuffer> | null;
    /**
     * The **`respond()`** method of the ReadableStreamBYOBRequest interface is used to signal to the associated readable byte stream that the specified number of bytes were written into the ReadableStreamBYOBRequest.view.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBRequest/respond)
     */
    respond(bytesWritten: number): void;
    /**
     * The **`respondWithNewView()`** method of the ReadableStreamBYOBRequest interface specifies a new view that the consumer of the associated readable byte stream should write to instead of ReadableStreamBYOBRequest.view.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBRequest/respondWithNewView)
     */
    respondWithNewView(view: ArrayBufferView<ArrayBuffer>): void;
}

declare var ReadableStreamBYOBRequest: {
    prototype: ReadableStreamBYOBRequest;
    new(): ReadableStreamBYOBRequest;
};

/**
 * The **`ReadableStreamDefaultController`** interface of the Streams API represents a controller allowing control of a ReadableStream's state and internal queue. Default controllers are for streams that are not byte streams.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController)
 */
interface ReadableStreamDefaultController<R = any> {
    /**
     * The **`desiredSize`** read-only property of the ReadableStreamDefaultController interface returns the desired size required to fill the stream's internal queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/desiredSize)
     */
    readonly desiredSize: number | null;
    /**
     * The **`close()`** method of the ReadableStreamDefaultController interface closes the associated stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/close)
     */
    close(): void;
    /**
     * The **`enqueue()`** method of the ReadableStreamDefaultController interface enqueues a given chunk in the associated stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/enqueue)
     */
    enqueue(chunk: R): void;
    /**
     * The **`error()`** method of the ReadableStreamDefaultController interface causes any future interactions with the associated stream to error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/error)
     */
    error(e?: any): void;
}

declare var ReadableStreamDefaultController: {
    prototype: ReadableStreamDefaultController;
    new(): ReadableStreamDefaultController;
};

/**
 * The **`ReadableStreamDefaultReader`** interface of the Streams API represents a default reader that can be used to read stream data supplied from a network (such as a fetch request).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader)
 */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
    /**
     * The **`read()`** method of the ReadableStreamDefaultReader interface returns a Promise providing access to the next chunk in the stream's internal queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read)
     */
    read(): Promise<ReadableStreamReadResult<R>>;
    /**
     * The **`releaseLock()`** method of the ReadableStreamDefaultReader interface releases the reader's lock on the stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock)
     */
    releaseLock(): void;
}

declare var ReadableStreamDefaultReader: {
    prototype: ReadableStreamDefaultReader;
    new<R = any>(stream: ReadableStream<R>): ReadableStreamDefaultReader<R>;
};

interface ReadableStreamGenericReader {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/closed) */
    readonly closed: Promise<void>;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/cancel) */
    cancel(reason?: any): Promise<void>;
}

interface RemotePlaybackEventMap {
    "connect": Event;
    "connecting": Event;
    "disconnect": Event;
}

/**
 * The **`RemotePlayback`** interface of the Remote Playback API allows the page to detect availability of remote playback devices, then connect to and control playing on these devices.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback)
 */
interface RemotePlayback extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/connect_event) */
    onconnect: ((this: RemotePlayback, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/connecting_event) */
    onconnecting: ((this: RemotePlayback, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/disconnect_event) */
    ondisconnect: ((this: RemotePlayback, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the RemotePlayback interface returns the current state of the RemotePlayback connection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/state)
     */
    readonly state: RemotePlaybackState;
    /**
     * The **`cancelWatchAvailability()`** method of the RemotePlayback interface cancels the request to watch for one or all available devices.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/cancelWatchAvailability)
     */
    cancelWatchAvailability(id?: number): Promise<void>;
    /**
     * The **`prompt()`** method of the RemotePlayback interface prompts the user to select an available remote playback device and give permission for the current media to be played using that device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/prompt)
     */
    prompt(): Promise<void>;
    /**
     * The **`watchAvailability()`** method of the RemotePlayback interface watches the list of available remote playback devices and returns a Promise that resolves with the callbackId of a remote playback device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RemotePlayback/watchAvailability)
     */
    watchAvailability(callback: RemotePlaybackAvailabilityCallback): Promise<number>;
    addEventListener<K extends keyof RemotePlaybackEventMap>(type: K, listener: (this: RemotePlayback, ev: RemotePlaybackEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof RemotePlaybackEventMap>(type: K, listener: (this: RemotePlayback, ev: RemotePlaybackEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var RemotePlayback: {
    prototype: RemotePlayback;
    new(): RemotePlayback;
};

/**
 * The **`ReportingObserver`** interface of the Reporting API allows you to collect and access reports.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReportingObserver)
 */
interface ReportingObserver {
    /**
     * The **`disconnect()`** method of the ReportingObserver interface stops a reporting observer that had previously started observing from collecting reports.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReportingObserver/disconnect)
     */
    disconnect(): void;
    /**
     * The **`observe()`** method of the ReportingObserver interface instructs a reporting observer to start collecting reports in its report queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReportingObserver/observe)
     */
    observe(): void;
    /**
     * The **`takeRecords()`** method of the ReportingObserver interface returns the current list of reports contained in the observer's report queue, and empties the queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReportingObserver/takeRecords)
     */
    takeRecords(): ReportList;
}

declare var ReportingObserver: {
    prototype: ReportingObserver;
    new(callback: ReportingObserverCallback, options?: ReportingObserverOptions): ReportingObserver;
};

/**
 * The **`Request`** interface of the Fetch API represents a resource request.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request)
 */
interface Request extends Body {
    /**
     * The **`cache`** read-only property of the Request interface contains the cache mode of the request. It controls how the request will interact with the browser's HTTP cache.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/cache)
     */
    readonly cache: RequestCache;
    /**
     * The **`credentials`** read-only property of the Request interface reflects the value given to the Request() constructor in the credentials option. It determines whether or not the browser sends credentials with the request, as well as whether any Set-Cookie response headers are respected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/credentials)
     */
    readonly credentials: RequestCredentials;
    /**
     * The **`destination`** read-only property of the Request interface returns a string describing the type of content being requested.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/destination)
     */
    readonly destination: RequestDestination;
    /**
     * The **`headers`** read-only property of the Request interface contains the Headers object associated with the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/headers)
     */
    readonly headers: Headers;
    /**
     * The **`integrity`** read-only property of the Request interface contains the subresource integrity value of the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/integrity)
     */
    readonly integrity: string;
    /**
     * The **`keepalive`** read-only property of the Request interface contains the request's keepalive setting (true or false), which indicates whether the browser will keep the associated request alive if the page that initiated it is unloaded before the request is complete.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/keepalive)
     */
    readonly keepalive: boolean;
    /**
     * The **`method`** read-only property of the Request interface contains the request's method (GET, POST, etc.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/method)
     */
    readonly method: string;
    /**
     * The **`mode`** read-only property of the Request interface contains the mode of the request (e.g., cors, no-cors, same-origin, or navigate.) This is used to determine if cross-origin requests lead to valid responses, and which properties of the response are readable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/mode)
     */
    readonly mode: RequestMode;
    /**
     * The **`redirect`** read-only property of the Request interface contains the mode for how redirects are handled.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/redirect)
     */
    readonly redirect: RequestRedirect;
    /**
     * The **`referrer`** read-only property of the Request interface is set by the user agent to be the referrer of the Request. (e.g., client, no-referrer, or a URL.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/referrer)
     */
    readonly referrer: string;
    /**
     * The **`referrerPolicy`** read-only property of the Request interface returns the referrer policy, which governs what referrer information, sent in the Referer header, should be included with the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/referrerPolicy)
     */
    readonly referrerPolicy: ReferrerPolicy;
    /**
     * The read-only **`signal`** property of the Request interface returns the AbortSignal associated with the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/signal)
     */
    readonly signal: AbortSignal;
    /**
     * The **`url`** read-only property of the Request interface contains the URL of the request.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/url)
     */
    readonly url: string;
    /**
     * The **`clone()`** method of the Request interface creates a copy of the current Request object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/clone)
     */
    clone(): Request;
}

declare var Request: {
    prototype: Request;
    new(input: RequestInfo | URL, init?: RequestInit): Request;
};

/**
 * The **`ResizeObserver`** interface reports changes to the dimensions of an Element's content or border box, or the bounding box of an SVGElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserver)
 */
interface ResizeObserver {
    /**
     * The **`disconnect()`** method of the ResizeObserver interface unobserves all observed Element or SVGElement targets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserver/disconnect)
     */
    disconnect(): void;
    /**
     * The **`observe()`** method of the ResizeObserver interface starts observing the specified Element or SVGElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserver/observe)
     */
    observe(target: Element, options?: ResizeObserverOptions): void;
    /**
     * The **`unobserve()`** method of the ResizeObserver interface ends the observing of a specified Element or SVGElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserver/unobserve)
     */
    unobserve(target: Element): void;
}

declare var ResizeObserver: {
    prototype: ResizeObserver;
    new(callback: ResizeObserverCallback): ResizeObserver;
};

/**
 * The **`ResizeObserverEntry`** interface represents the object passed to the ResizeObserver() constructor's callback function, which allows you to access the new dimensions of the Element or SVGElement being observed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry)
 */
interface ResizeObserverEntry {
    /**
     * The **`borderBoxSize`** read-only property of the ResizeObserverEntry interface returns an array containing the new border box size of the observed element when the callback is run.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry/borderBoxSize)
     */
    readonly borderBoxSize: ReadonlyArray<ResizeObserverSize>;
    /**
     * The **`contentBoxSize`** read-only property of the ResizeObserverEntry interface returns an array containing the new content box size of the observed element when the callback is run.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry/contentBoxSize)
     */
    readonly contentBoxSize: ReadonlyArray<ResizeObserverSize>;
    /**
     * The **`contentRect`** read-only property of the ResizeObserverEntry interface returns a DOMRectReadOnly object containing the new size of the observed element when the callback is run. Note that this is better supported than ResizeObserverEntry.borderBoxSize or ResizeObserverEntry.contentBoxSize, but it is left over from an earlier implementation of the Resize Observer API, is still included in the spec for web compat reasons, and may be deprecated in future versions.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry/contentRect)
     */
    readonly contentRect: DOMRectReadOnly;
    /**
     * The **`devicePixelContentBoxSize`** read-only property of the ResizeObserverEntry interface returns an array containing the size in device pixels of the observed element when the callback is run.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry/devicePixelContentBoxSize)
     */
    readonly devicePixelContentBoxSize: ReadonlyArray<ResizeObserverSize>;
    /**
     * The **`target`** read-only property of the ResizeObserverEntry interface returns a reference to the Element or SVGElement that is being observed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverEntry/target)
     */
    readonly target: Element;
}

declare var ResizeObserverEntry: {
    prototype: ResizeObserverEntry;
    new(): ResizeObserverEntry;
};

/**
 * The **`ResizeObserverSize`** interface of the Resize Observer API is used by the ResizeObserverEntry interface to access the box sizing properties of the element being observed.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverSize)
 */
interface ResizeObserverSize {
    /**
     * The **`blockSize`** read-only property of the ResizeObserverSize interface returns the length of the observed element's border box in the block dimension. For boxes with a horizontal writing-mode, this is the vertical dimension, or height; if the writing-mode is vertical, this is the horizontal dimension, or width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverSize/blockSize)
     */
    readonly blockSize: number;
    /**
     * The **`inlineSize`** read-only property of the ResizeObserverSize interface returns the length of the observed element's border box in the inline dimension. For boxes with a horizontal writing-mode, this is the horizontal dimension, or width; if the writing-mode is vertical, this is the vertical dimension, or height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ResizeObserverSize/inlineSize)
     */
    readonly inlineSize: number;
}

declare var ResizeObserverSize: {
    prototype: ResizeObserverSize;
    new(): ResizeObserverSize;
};

/**
 * The **`Response`** interface of the Fetch API represents the response to a request.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response)
 */
interface Response extends Body {
    /**
     * The **`headers`** read-only property of the Response interface contains the Headers object associated with the response.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/headers)
     */
    readonly headers: Headers;
    /**
     * The **`ok`** read-only property of the Response interface contains a Boolean stating whether the response was successful (status in the range 200-299) or not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/ok)
     */
    readonly ok: boolean;
    /**
     * The **`redirected`** read-only property of the Response interface indicates whether or not the response is the result of a request you made which was redirected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/redirected)
     */
    readonly redirected: boolean;
    /**
     * The **`status`** read-only property of the Response interface contains the HTTP status codes of the response.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/status)
     */
    readonly status: number;
    /**
     * The **`statusText`** read-only property of the Response interface contains the status message corresponding to the HTTP status code in Response.status.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/statusText)
     */
    readonly statusText: string;
    /**
     * The **`type`** read-only property of the Response interface contains the type of the response. The type determines whether scripts are able to access the response body and headers.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/type)
     */
    readonly type: ResponseType;
    /**
     * The **`url`** read-only property of the Response interface contains the URL of the response. The value of the url property will be the final URL obtained after any redirects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/url)
     */
    readonly url: string;
    /**
     * The **`clone()`** method of the Response interface creates a clone of a response object, identical in every way, but stored in a different variable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/clone)
     */
    clone(): Response;
}

declare var Response: {
    prototype: Response;
    new(body?: BodyInit | null, init?: ResponseInit): Response;
    /**
     * The **`error()`** static method of the Response interface returns a new Response object associated with a network error.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/error_static)
     */
    error(): Response;
    /**
     * The **`json()`** static method of the Response interface returns a Response that contains the provided JSON data as body, and a Content-Type header which is set to application/json. The response status, status message, and additional headers can also be set.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/json_static)
     */
    json(data: any, init?: ResponseInit): Response;
    /**
     * The **`redirect()`** static method of the Response interface returns a Response resulting in a redirect to the specified URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Response/redirect_static)
     */
    redirect(url: string | URL, status?: number): Response;
};

/**
 * The **`SVGAElement`** interface provides access to the properties of an <a> element, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement)
 */
interface SVGAElement extends SVGGraphicsElement, SVGURIReference {
    /**
     * The **`download`** property of the SVGAElement interface returns a string indicating that the browser should treat the linked URL as a download.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/download)
     */
    download: string;
    /**
     * The **`hreflang`** property of the SVGAElement interface returns a string indicating the language of the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/hreflang)
     */
    hreflang: string;
    /**
     * The **`ping`** property of the SVGAElement interface returns a string that reflects the ping attribute, containing a space-separated list of URLs to which, when the hyperlink is followed, POST requests with the body PING will be sent by the browser (in the background). Typically used for tracking.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/ping)
     */
    ping: string;
    referrerPolicy: string;
    /**
     * The **`rel`** property of the SVGAElement returns a string reflecting the value of the rel attribute of the SVG <a> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/rel)
     */
    rel: string;
    /**
     * The read-only **`relList`** property of the SVGAElement returns a live DOMTokenList reflecting the space-separated string <list-of-Link-Types> values of the rel attribute of the SVG <a> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/relList)
     */
    get relList(): DOMTokenList;
    set relList(value: string);
    /**
     * The **`SVGAElement.target`** read-only property of SVGAElement returns an SVGAnimatedString object that specifies the portion of a target window, frame, pane into which a document is to be opened when a link is activated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/target)
     */
    readonly target: SVGAnimatedString;
    /**
     * The **`type`** property of the SVGAElement interface returns a string indicating the MIME type of the linked resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/type)
     */
    type: string;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGAElement: {
    prototype: SVGAElement;
    new(): SVGAElement;
};

/**
 * The **`SVGAngle`** interface is used to represent a value that can be an <angle> or <number> value.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle)
 */
interface SVGAngle {
    /**
     * The **`unitType`** property of the SVGAngle interface is one of the unit type constants and represents the units in which this angle's value is expressed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/unitType)
     */
    readonly unitType: number;
    /**
     * The **`value`** property of the SVGAngle interface represents the floating point value of the <angle> in degrees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/value)
     */
    value: number;
    /**
     * The **`valueAsString`** property of the SVGAngle interface represents the angle's value as a string, in the units expressed by unitType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/valueAsString)
     */
    valueAsString: string;
    /**
     * The **`valueInSpecifiedUnits`** property of the SVGAngle interface represents the value of this angle as a number, in the units expressed by the angle's unitType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/valueInSpecifiedUnits)
     */
    valueInSpecifiedUnits: number;
    /**
     * The **`convertToSpecifiedUnits()`** method of the SVGAngle interface allows you to convert the angle's value to the specified unit type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/convertToSpecifiedUnits)
     */
    convertToSpecifiedUnits(unitType: number): void;
    /**
     * The **`newValueSpecifiedUnits()`** method of the SVGAngle interface sets the value to a number with an associated unitType, thereby replacing the values for all of the attributes on the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAngle/newValueSpecifiedUnits)
     */
    newValueSpecifiedUnits(unitType: number, valueInSpecifiedUnits: number): void;
    readonly SVG_ANGLETYPE_UNKNOWN: 0;
    readonly SVG_ANGLETYPE_UNSPECIFIED: 1;
    readonly SVG_ANGLETYPE_DEG: 2;
    readonly SVG_ANGLETYPE_RAD: 3;
    readonly SVG_ANGLETYPE_GRAD: 4;
}

declare var SVGAngle: {
    prototype: SVGAngle;
    new(): SVGAngle;
    readonly SVG_ANGLETYPE_UNKNOWN: 0;
    readonly SVG_ANGLETYPE_UNSPECIFIED: 1;
    readonly SVG_ANGLETYPE_DEG: 2;
    readonly SVG_ANGLETYPE_RAD: 3;
    readonly SVG_ANGLETYPE_GRAD: 4;
};

/**
 * The **`SVGAnimateElement`** interface corresponds to the <animate> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimateElement)
 */
interface SVGAnimateElement extends SVGAnimationElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGAnimateElement: {
    prototype: SVGAnimateElement;
    new(): SVGAnimateElement;
};

/**
 * The **`SVGAnimateMotionElement`** interface corresponds to the <animateMotion> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimateMotionElement)
 */
interface SVGAnimateMotionElement extends SVGAnimationElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateMotionElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateMotionElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGAnimateMotionElement: {
    prototype: SVGAnimateMotionElement;
    new(): SVGAnimateMotionElement;
};

/**
 * The **`SVGAnimateTransformElement`** interface corresponds to the <animateTransform> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimateTransformElement)
 */
interface SVGAnimateTransformElement extends SVGAnimationElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateTransformElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimateTransformElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGAnimateTransformElement: {
    prototype: SVGAnimateTransformElement;
    new(): SVGAnimateTransformElement;
};

/**
 * The **`SVGAnimatedAngle`** interface is used for attributes of basic type <angle> which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedAngle)
 */
interface SVGAnimatedAngle {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedAngle interface represents the current animated value of the associated <angle> on an SVG element. If the attribute is not currently being animated, animVal will be the same as the baseVal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedAngle/animVal)
     */
    readonly animVal: SVGAngle;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedAngle interface represents the base (non-animated) value of the associated <angle> on an SVG element. This property is used to retrieve the static value of the <angle>, unaffected by any ongoing animations.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedAngle/baseVal)
     */
    readonly baseVal: SVGAngle;
}

declare var SVGAnimatedAngle: {
    prototype: SVGAnimatedAngle;
    new(): SVGAnimatedAngle;
};

/**
 * The **`SVGAnimatedBoolean`** interface is used for attributes of type boolean which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedBoolean)
 */
interface SVGAnimatedBoolean {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedBoolean interface represents the current animated value of the associated animatable boolean SVG attribute. If the attribute is not animated, animVal is the same as SVGAnimatedBoolean.baseVal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedBoolean/animVal)
     */
    readonly animVal: boolean;
    /**
     * The **`baseVal`** property of the SVGAnimatedBoolean interface is the value of the associated animatable boolean SVG attribute in its base (none-animated) state. It reflects the value of the associated animatable boolean attribute when no animations are applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedBoolean/baseVal)
     */
    baseVal: boolean;
}

declare var SVGAnimatedBoolean: {
    prototype: SVGAnimatedBoolean;
    new(): SVGAnimatedBoolean;
};

/**
 * The **`SVGAnimatedEnumeration`** interface describes attribute values which are constants from a particular enumeration and which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedEnumeration)
 */
interface SVGAnimatedEnumeration {
    /**
     * The **`animVal`** property of the SVGAnimatedEnumeration interface contains the current value of an SVG enumeration. If there is no animation, it is the same value as the baseVal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedEnumeration/animVal)
     */
    readonly animVal: number;
    /**
     * The **`baseVal`** property of the SVGAnimatedEnumeration interface contains the initial value of an SVG enumeration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedEnumeration/baseVal)
     */
    baseVal: number;
}

declare var SVGAnimatedEnumeration: {
    prototype: SVGAnimatedEnumeration;
    new(): SVGAnimatedEnumeration;
};

/**
 * The **`SVGAnimatedInteger`** interface is used for attributes of basic type <integer> which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedInteger)
 */
interface SVGAnimatedInteger {
    /**
     * The **`animVal`** property of the SVGAnimatedInteger interface represents the animated value of an <integer>. If no animation is applied, animVal equals baseVal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedInteger/animVal)
     */
    readonly animVal: number;
    /**
     * The **`baseVal`** property of the SVGAnimatedInteger interface represents the base (non-animated) value of an animatable <integer>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedInteger/baseVal)
     */
    baseVal: number;
}

declare var SVGAnimatedInteger: {
    prototype: SVGAnimatedInteger;
    new(): SVGAnimatedInteger;
};

/**
 * The **`SVGAnimatedLength`** interface represents attributes of type <length> which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLength)
 */
interface SVGAnimatedLength {
    /**
     * The **`animVal`** property of the SVGAnimatedLength interface contains the current value of an SVG enumeration. If there is no animation, it is the same value as the baseVal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLength/animVal)
     */
    readonly animVal: SVGLength;
    /**
     * The **`baseVal`** property of the SVGAnimatedLength interface contains the initial value of an SVG enumeration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLength/baseVal)
     */
    readonly baseVal: SVGLength;
}

declare var SVGAnimatedLength: {
    prototype: SVGAnimatedLength;
    new(): SVGAnimatedLength;
};

/**
 * The **`SVGAnimatedLengthList`** interface is used for attributes of type SVGLengthList which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList)
 */
interface SVGAnimatedLengthList {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedLengthList interface represents the animated value of an attribute that accepts a list of <length>, <percentage>, or <number> values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList/animVal)
     */
    readonly animVal: SVGLengthList;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedLengthList interface represents the base (non-animated) value of an animatable attribute that accepts a list of <length>, <percentage>, or <number> values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedLengthList/baseVal)
     */
    readonly baseVal: SVGLengthList;
}

declare var SVGAnimatedLengthList: {
    prototype: SVGAnimatedLengthList;
    new(): SVGAnimatedLengthList;
};

/**
 * The **`SVGAnimatedNumber`** interface represents attributes of type <number> which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumber)
 */
interface SVGAnimatedNumber {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedNumber interface represents the animated value of an SVG element's numeric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumber/animVal)
     */
    readonly animVal: number;
    /**
     * The **`baseVal`** property of the SVGAnimatedNumber interface represents the base (non-animated) value of an animatable numeric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumber/baseVal)
     */
    baseVal: number;
}

declare var SVGAnimatedNumber: {
    prototype: SVGAnimatedNumber;
    new(): SVGAnimatedNumber;
};

/**
 * The **`SVGAnimatedNumberList`** interface represents a list of attributes of type <number> which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumberList)
 */
interface SVGAnimatedNumberList {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedNumberList interface represents the current animated value of an animatable attribute that accepts a list of <number> values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumberList/animVal)
     */
    readonly animVal: SVGNumberList;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedNumberList interface represents the base (non-animated) value of an animatable attribute that accepts a list of <number> values.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedNumberList/baseVal)
     */
    readonly baseVal: SVGNumberList;
}

declare var SVGAnimatedNumberList: {
    prototype: SVGAnimatedNumberList;
    new(): SVGAnimatedNumberList;
};

interface SVGAnimatedPoints {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPolygonElement/animatedPoints) */
    readonly animatedPoints: SVGPointList;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPolygonElement/points) */
    readonly points: SVGPointList;
}

/**
 * The **`SVGAnimatedPreserveAspectRatio`** interface represents attributes of type SVGPreserveAspectRatio which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedPreserveAspectRatio)
 */
interface SVGAnimatedPreserveAspectRatio {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedPreserveAspectRatio interface represents the value of the preserveAspectRatio attribute of an SVG element after any animations or transformations are applied.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedPreserveAspectRatio/animVal)
     */
    readonly animVal: SVGPreserveAspectRatio;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedPreserveAspectRatio interface represents the base (non-animated) value of the preserveAspectRatio attribute of an SVG element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedPreserveAspectRatio/baseVal)
     */
    readonly baseVal: SVGPreserveAspectRatio;
}

declare var SVGAnimatedPreserveAspectRatio: {
    prototype: SVGAnimatedPreserveAspectRatio;
    new(): SVGAnimatedPreserveAspectRatio;
};

/**
 * The **`SVGAnimatedRect`** interface represents an SVGRect attribute that can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedRect)
 */
interface SVGAnimatedRect {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedRect interface represents the current animated value of the viewBox attribute of an SVG element as a read-only DOMRectReadOnly object. It provides access to the rectangle's dynamic state, including the x, y, width, and height values during the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedRect/animVal)
     */
    readonly animVal: DOMRectReadOnly;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedRect interface represents the current non-animated value of the viewBox attribute of an SVG element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedRect/baseVal)
     */
    readonly baseVal: DOMRect;
}

declare var SVGAnimatedRect: {
    prototype: SVGAnimatedRect;
    new(): SVGAnimatedRect;
};

/**
 * The **`SVGAnimatedString`** interface represents string attributes which can be animated from each SVG declaration. You need to create SVG attribute before doing anything else, everything should be declared inside this.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedString)
 */
interface SVGAnimatedString {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedString interface is a string representing the animated value of the reflected attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedString/animVal)
     */
    readonly animVal: string;
    /**
     * The **`baseVal`** property of the SVGAnimatedString interface gets or sets the base value of the given attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedString/baseVal)
     */
    baseVal: string;
}

declare var SVGAnimatedString: {
    prototype: SVGAnimatedString;
    new(): SVGAnimatedString;
};

/**
 * The **`SVGAnimatedTransformList`** interface represents attributes which take a list of numbers and which can be animated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedTransformList)
 */
interface SVGAnimatedTransformList {
    /**
     * The **`animVal`** read-only property of the SVGAnimatedTransformList interface represents the animated value of the transform attribute of an SVG element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedTransformList/animVal)
     */
    readonly animVal: SVGTransformList;
    /**
     * The **`baseVal`** read-only property of the SVGAnimatedTransformList interface represents the non-animated value of the transform attribute of an SVG element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimatedTransformList/baseVal)
     */
    readonly baseVal: SVGTransformList;
}

declare var SVGAnimatedTransformList: {
    prototype: SVGAnimatedTransformList;
    new(): SVGAnimatedTransformList;
};

/**
 * The **`SVGAnimationElement`** interface is the base interface for all of the animation element interfaces: SVGAnimateElement, SVGSetElement, SVGAnimateColorElement, SVGAnimateMotionElement and SVGAnimateTransformElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement)
 */
interface SVGAnimationElement extends SVGElement, SVGTests {
    /**
     * The **`targetElement`** read-only property of the SVGAnimationElement interface refers to the element which is being animated. If no target element is being animated (for example, because the href attribute specifies an unknown element), the value returned is null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/targetElement)
     */
    readonly targetElement: SVGElement | null;
    /**
     * The SVGAnimationElement method **`beginElement()`** creates a begin instance time for the current time. The new instance time is added to the begin instance times list. The behavior of this method is equivalent to beginElementAt(0).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/beginElement)
     */
    beginElement(): void;
    /**
     * The SVGAnimationElement method **`beginElementAt()`** creates a begin instance time for the current time plus the specified offset. The new instance time is added to the begin instance times list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/beginElementAt)
     */
    beginElementAt(offset: number): void;
    /**
     * The SVGAnimationElement method **`endElement()`** creates an end instance time for the current time. The new instance time is added to the end instance times list. The behavior of this method is equivalent to endElementAt(0).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/endElement)
     */
    endElement(): void;
    /**
     * The SVGAnimationElement method **`endElementAt()`** creates an end instance time for the current time plus the specified offset. The new instance time is added to the end instance times list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/endElementAt)
     */
    endElementAt(offset: number): void;
    /**
     * The SVGAnimationElement method **`getCurrentTime()`** returns a float representing the current time in seconds relative to time zero for the given time container.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/getCurrentTime)
     */
    getCurrentTime(): number;
    /**
     * The SVGAnimationElement method **`getSimpleDuration()`** returns a float representing the number of seconds for the simple duration for this animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/getSimpleDuration)
     */
    getSimpleDuration(): number;
    /**
     * The SVGAnimationElement method **`getStartTime()`** returns a float representing the start time, in seconds, for this animation element's current interval, if it exists, regardless of whether the interval has begun yet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/getStartTime)
     */
    getStartTime(): number;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimationElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGAnimationElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGAnimationElement: {
    prototype: SVGAnimationElement;
    new(): SVGAnimationElement;
};

/**
 * The **`SVGCircleElement`** interface is an interface for the <circle> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGCircleElement)
 */
interface SVGCircleElement extends SVGGeometryElement {
    /**
     * The **`cx`** read-only property of the SVGCircleElement interface reflects the cx attribute of a <circle> element and by that defines the x-coordinate of the circle's center.<
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGCircleElement/cx)
     */
    readonly cx: SVGAnimatedLength;
    /**
     * The **`cy`** read-only property of the SVGCircleElement interface reflects the cy attribute of a <circle> element and by that defines the y-coordinate of the circle's center.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGCircleElement/cy)
     */
    readonly cy: SVGAnimatedLength;
    /**
     * The **`r`** read-only property of the SVGCircleElement interface reflects the r attribute of a <circle> element and by that defines the radius of the circle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGCircleElement/r)
     */
    readonly r: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGCircleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGCircleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGCircleElement: {
    prototype: SVGCircleElement;
    new(): SVGCircleElement;
};

/**
 * The **`SVGClipPathElement`** interface provides access to the properties of <clipPath> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGClipPathElement)
 */
interface SVGClipPathElement extends SVGElement {
    /**
     * The read-only **`clipPathUnits`** property of the SVGClipPathElement interface reflects the clipPathUnits attribute of a <clipPath> element which defines the coordinate system to use for the content of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGClipPathElement/clipPathUnits)
     */
    readonly clipPathUnits: SVGAnimatedEnumeration;
    /**
     * The read-only **`transform`** property of the SVGClipPathElement interface reflects the transform attribute of a <clipPath> element, that is a list of transformations applied to the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGClipPathElement/transform)
     */
    readonly transform: SVGAnimatedTransformList;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGClipPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGClipPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGClipPathElement: {
    prototype: SVGClipPathElement;
    new(): SVGClipPathElement;
};

/**
 * The **`SVGComponentTransferFunctionElement`** interface represents a base interface used by the component transfer function interfaces.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement)
 */
interface SVGComponentTransferFunctionElement extends SVGElement {
    /**
     * The **`amplitude`** read-only property of the SVGComponentTransferFunctionElement interface reflects the amplitude attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/amplitude)
     */
    readonly amplitude: SVGAnimatedNumber;
    /**
     * The **`exponent`** read-only property of the SVGComponentTransferFunctionElement interface reflects the exponent attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/exponent)
     */
    readonly exponent: SVGAnimatedNumber;
    /**
     * The **`intercept`** read-only property of the SVGComponentTransferFunctionElement interface reflects the intercept attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/intercept)
     */
    readonly intercept: SVGAnimatedNumber;
    /**
     * The **`offset`** read-only property of the SVGComponentTransferFunctionElement interface reflects the offset attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/offset)
     */
    readonly offset: SVGAnimatedNumber;
    /**
     * The **`slope`** read-only property of the SVGComponentTransferFunctionElement interface reflects the slope attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/slope)
     */
    readonly slope: SVGAnimatedNumber;
    /**
     * The **`tableValues`** read-only property of the SVGComponentTransferFunctionElement interface reflects the tableValues attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/tableValues)
     */
    readonly tableValues: SVGAnimatedNumberList;
    /**
     * The **`type`** read-only property of the SVGComponentTransferFunctionElement interface reflects the type attribute of the given element. It takes one of the SVG_FECOMPONENTTRANSFER_TYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGComponentTransferFunctionElement/type)
     */
    readonly type: SVGAnimatedEnumeration;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN: 0;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY: 1;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_TABLE: 2;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE: 3;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_LINEAR: 4;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_GAMMA: 5;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGComponentTransferFunctionElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGComponentTransferFunctionElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGComponentTransferFunctionElement: {
    prototype: SVGComponentTransferFunctionElement;
    new(): SVGComponentTransferFunctionElement;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN: 0;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY: 1;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_TABLE: 2;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE: 3;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_LINEAR: 4;
    readonly SVG_FECOMPONENTTRANSFER_TYPE_GAMMA: 5;
};

/**
 * The **`SVGDefsElement`** interface corresponds to the <defs> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGDefsElement)
 */
interface SVGDefsElement extends SVGGraphicsElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGDefsElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGDefsElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGDefsElement: {
    prototype: SVGDefsElement;
    new(): SVGDefsElement;
};

/**
 * The **`SVGDescElement`** interface corresponds to the <desc> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGDescElement)
 */
interface SVGDescElement extends SVGElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGDescElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGDescElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGDescElement: {
    prototype: SVGDescElement;
    new(): SVGDescElement;
};

interface SVGElementEventMap extends ElementEventMap, GlobalEventHandlersEventMap {
}

/**
 * All of the SVG DOM interfaces that correspond directly to elements in the SVG language derive from the **`SVGElement`** interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGElement)
 */
interface SVGElement extends Element, ElementCSSInlineStyle, GlobalEventHandlers, HTMLOrSVGElement {
    /** @deprecated */
    readonly className: any;
    /**
     * The **`ownerSVGElement`** property of the SVGElement interface reflects the nearest ancestor <svg> element. null if the given element is the outermost <svg> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGElement/ownerSVGElement)
     */
    readonly ownerSVGElement: SVGSVGElement | null;
    /**
     * The **`viewportElement`** property of the SVGElement interface represents the SVGElement which established the current viewport. Often the nearest ancestor <svg> element. null if the given element is the outermost <svg> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGElement/viewportElement)
     */
    readonly viewportElement: SVGElement | null;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGElement: {
    prototype: SVGElement;
    new(): SVGElement;
};

/**
 * The **`SVGEllipseElement`** interface provides access to the properties of <ellipse> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGEllipseElement)
 */
interface SVGEllipseElement extends SVGGeometryElement {
    /**
     * The **`cx`** read-only property of the SVGEllipseElement interface describes the x-axis coordinate of the center of the ellipse as an SVGAnimatedLength. It reflects the computed value of the cx attribute on the <ellipse> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGEllipseElement/cx)
     */
    readonly cx: SVGAnimatedLength;
    /**
     * The **`cy`** read-only property of the SVGEllipseElement interface describes the y-axis coordinate of the center of the ellipse as an SVGAnimatedLength. It reflects the computed value of the cy attribute on the <ellipse> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGEllipseElement/cy)
     */
    readonly cy: SVGAnimatedLength;
    /**
     * The **`rx`** read-only property of the SVGEllipseElement interface describes the x-axis radius of the ellipse as an SVGAnimatedLength. It reflects the computed value of the rx attribute on the <ellipse> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGEllipseElement/rx)
     */
    readonly rx: SVGAnimatedLength;
    /**
     * The **`ry`** read-only property of the SVGEllipseElement interface describes the y-axis radius of the ellipse as an SVGAnimatedLength. It reflects the computed value of the ry attribute on the <ellipse> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGEllipseElement/ry)
     */
    readonly ry: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGEllipseElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGEllipseElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGEllipseElement: {
    prototype: SVGEllipseElement;
    new(): SVGEllipseElement;
};

/**
 * The **`SVGFEBlendElement`** interface corresponds to the <feBlend> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement)
 */
interface SVGFEBlendElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEBlendElement interface reflects the in attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`in2`** read-only property of the SVGFEBlendElement interface reflects the in2 attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/in2)
     */
    readonly in2: SVGAnimatedString;
    /**
     * The **`mode`** read-only property of the SVGFEBlendElement interface reflects the mode attribute of the given element. It takes one of the SVG_FEBLEND_MODE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/mode)
     */
    readonly mode: SVGAnimatedEnumeration;
    readonly SVG_FEBLEND_MODE_UNKNOWN: 0;
    readonly SVG_FEBLEND_MODE_NORMAL: 1;
    readonly SVG_FEBLEND_MODE_MULTIPLY: 2;
    readonly SVG_FEBLEND_MODE_SCREEN: 3;
    readonly SVG_FEBLEND_MODE_DARKEN: 4;
    readonly SVG_FEBLEND_MODE_LIGHTEN: 5;
    readonly SVG_FEBLEND_MODE_OVERLAY: 6;
    readonly SVG_FEBLEND_MODE_COLOR_DODGE: 7;
    readonly SVG_FEBLEND_MODE_COLOR_BURN: 8;
    readonly SVG_FEBLEND_MODE_HARD_LIGHT: 9;
    readonly SVG_FEBLEND_MODE_SOFT_LIGHT: 10;
    readonly SVG_FEBLEND_MODE_DIFFERENCE: 11;
    readonly SVG_FEBLEND_MODE_EXCLUSION: 12;
    readonly SVG_FEBLEND_MODE_HUE: 13;
    readonly SVG_FEBLEND_MODE_SATURATION: 14;
    readonly SVG_FEBLEND_MODE_COLOR: 15;
    readonly SVG_FEBLEND_MODE_LUMINOSITY: 16;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEBlendElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEBlendElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEBlendElement: {
    prototype: SVGFEBlendElement;
    new(): SVGFEBlendElement;
    readonly SVG_FEBLEND_MODE_UNKNOWN: 0;
    readonly SVG_FEBLEND_MODE_NORMAL: 1;
    readonly SVG_FEBLEND_MODE_MULTIPLY: 2;
    readonly SVG_FEBLEND_MODE_SCREEN: 3;
    readonly SVG_FEBLEND_MODE_DARKEN: 4;
    readonly SVG_FEBLEND_MODE_LIGHTEN: 5;
    readonly SVG_FEBLEND_MODE_OVERLAY: 6;
    readonly SVG_FEBLEND_MODE_COLOR_DODGE: 7;
    readonly SVG_FEBLEND_MODE_COLOR_BURN: 8;
    readonly SVG_FEBLEND_MODE_HARD_LIGHT: 9;
    readonly SVG_FEBLEND_MODE_SOFT_LIGHT: 10;
    readonly SVG_FEBLEND_MODE_DIFFERENCE: 11;
    readonly SVG_FEBLEND_MODE_EXCLUSION: 12;
    readonly SVG_FEBLEND_MODE_HUE: 13;
    readonly SVG_FEBLEND_MODE_SATURATION: 14;
    readonly SVG_FEBLEND_MODE_COLOR: 15;
    readonly SVG_FEBLEND_MODE_LUMINOSITY: 16;
};

/**
 * The **`SVGFEColorMatrixElement`** interface corresponds to the <feColorMatrix> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEColorMatrixElement)
 */
interface SVGFEColorMatrixElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEColorMatrixElement interface reflects the in attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEColorMatrixElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`type`** read-only property of the SVGFEColorMatrixElement interface reflects the type attribute of the given element. It takes one of the SVG_FECOLORMATRIX_TYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEColorMatrixElement/type)
     */
    readonly type: SVGAnimatedEnumeration;
    /**
     * The **`values`** read-only property of the SVGFEColorMatrixElement interface reflects the values attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEColorMatrixElement/values)
     */
    readonly values: SVGAnimatedNumberList;
    readonly SVG_FECOLORMATRIX_TYPE_UNKNOWN: 0;
    readonly SVG_FECOLORMATRIX_TYPE_MATRIX: 1;
    readonly SVG_FECOLORMATRIX_TYPE_SATURATE: 2;
    readonly SVG_FECOLORMATRIX_TYPE_HUEROTATE: 3;
    readonly SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA: 4;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEColorMatrixElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEColorMatrixElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEColorMatrixElement: {
    prototype: SVGFEColorMatrixElement;
    new(): SVGFEColorMatrixElement;
    readonly SVG_FECOLORMATRIX_TYPE_UNKNOWN: 0;
    readonly SVG_FECOLORMATRIX_TYPE_MATRIX: 1;
    readonly SVG_FECOLORMATRIX_TYPE_SATURATE: 2;
    readonly SVG_FECOLORMATRIX_TYPE_HUEROTATE: 3;
    readonly SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA: 4;
};

/**
 * The **`SVGFEComponentTransferElement`** interface corresponds to the <feComponentTransfer> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEComponentTransferElement)
 */
interface SVGFEComponentTransferElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEComponentTransferElement interface reflects the in attribute of the given <feComponentTransfer> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEComponentTransferElement/in1)
     */
    readonly in1: SVGAnimatedString;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEComponentTransferElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEComponentTransferElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEComponentTransferElement: {
    prototype: SVGFEComponentTransferElement;
    new(): SVGFEComponentTransferElement;
};

/**
 * The **`SVGFECompositeElement`** interface corresponds to the <feComposite> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement)
 */
interface SVGFECompositeElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFECompositeElement interface reflects the in attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`in2`** read-only property of the SVGFECompositeElement interface reflects the in2 attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/in2)
     */
    readonly in2: SVGAnimatedString;
    /**
     * The **`k1`** read-only property of the SVGFECompositeElement interface reflects the k1 attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/k1)
     */
    readonly k1: SVGAnimatedNumber;
    /**
     * The **`k2`** read-only property of the SVGFECompositeElement interface reflects the k2 attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/k2)
     */
    readonly k2: SVGAnimatedNumber;
    /**
     * The **`k3`** read-only property of the SVGFECompositeElement interface reflects the k3 attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/k3)
     */
    readonly k3: SVGAnimatedNumber;
    /**
     * The **`k4`** read-only property of the SVGFECompositeElement interface reflects the k4 attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/k4)
     */
    readonly k4: SVGAnimatedNumber;
    /**
     * The **`operator`** read-only property of the SVGFECompositeElement interface reflects the operator attribute of the given <feComposite> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFECompositeElement/operator)
     */
    readonly operator: SVGAnimatedEnumeration;
    readonly SVG_FECOMPOSITE_OPERATOR_UNKNOWN: 0;
    readonly SVG_FECOMPOSITE_OPERATOR_OVER: 1;
    readonly SVG_FECOMPOSITE_OPERATOR_IN: 2;
    readonly SVG_FECOMPOSITE_OPERATOR_OUT: 3;
    readonly SVG_FECOMPOSITE_OPERATOR_ATOP: 4;
    readonly SVG_FECOMPOSITE_OPERATOR_XOR: 5;
    readonly SVG_FECOMPOSITE_OPERATOR_ARITHMETIC: 6;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFECompositeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFECompositeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFECompositeElement: {
    prototype: SVGFECompositeElement;
    new(): SVGFECompositeElement;
    readonly SVG_FECOMPOSITE_OPERATOR_UNKNOWN: 0;
    readonly SVG_FECOMPOSITE_OPERATOR_OVER: 1;
    readonly SVG_FECOMPOSITE_OPERATOR_IN: 2;
    readonly SVG_FECOMPOSITE_OPERATOR_OUT: 3;
    readonly SVG_FECOMPOSITE_OPERATOR_ATOP: 4;
    readonly SVG_FECOMPOSITE_OPERATOR_XOR: 5;
    readonly SVG_FECOMPOSITE_OPERATOR_ARITHMETIC: 6;
};

/**
 * The **`SVGFEConvolveMatrixElement`** interface corresponds to the <feConvolveMatrix> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement)
 */
interface SVGFEConvolveMatrixElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`bias`** read-only property of the SVGFEConvolveMatrixElement interface reflects the bias attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/bias)
     */
    readonly bias: SVGAnimatedNumber;
    /**
     * The **`divisor`** read-only property of the SVGFEConvolveMatrixElement interface reflects the divisor attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/divisor)
     */
    readonly divisor: SVGAnimatedNumber;
    /**
     * The **`edgeMode`** read-only property of the SVGFEConvolveMatrixElement interface reflects the edgeMode attribute of the given <feConvolveMatrix> element. The SVG_EDGEMODE_* constants defined on this interface are represented by the numbers 1 through 3, where the default duplicate is 1, wrap is 2, and none is 3.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/edgeMode)
     */
    readonly edgeMode: SVGAnimatedEnumeration;
    /**
     * The **`in1`** read-only property of the SVGFEConvolveMatrixElement interface reflects the in attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`kernelMatrix`** read-only property of the SVGFEConvolveMatrixElement interface reflects the kernelMatrix attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/kernelMatrix)
     */
    readonly kernelMatrix: SVGAnimatedNumberList;
    /**
     * The **`kernelUnitLengthX`** read-only property of the SVGFEConvolveMatrixElement interface reflects the kernelUnitLength attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/kernelUnitLengthX)
     */
    readonly kernelUnitLengthX: SVGAnimatedNumber;
    /**
     * The **`kernelUnitLengthY`** read-only property of the SVGFEConvolveMatrixElement interface reflects the kernelUnitLength attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/kernelUnitLengthY)
     */
    readonly kernelUnitLengthY: SVGAnimatedNumber;
    /**
     * The **`orderX`** read-only property of the SVGFEConvolveMatrixElement interface reflects the order attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/orderX)
     */
    readonly orderX: SVGAnimatedInteger;
    /**
     * The **`orderY`** read-only property of the SVGFEConvolveMatrixElement interface reflects the order attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/orderY)
     */
    readonly orderY: SVGAnimatedInteger;
    /**
     * The **`preserveAlpha`** read-only property of the SVGFEConvolveMatrixElement interface reflects the preserveAlpha attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/preserveAlpha)
     */
    readonly preserveAlpha: SVGAnimatedBoolean;
    /**
     * The **`targetX`** read-only property of the SVGFEConvolveMatrixElement interface reflects the targetX attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/targetX)
     */
    readonly targetX: SVGAnimatedInteger;
    /**
     * The **`targetY`** read-only property of the SVGFEConvolveMatrixElement interface reflects the targetY attribute of the given <feConvolveMatrix> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEConvolveMatrixElement/targetY)
     */
    readonly targetY: SVGAnimatedInteger;
    readonly SVG_EDGEMODE_UNKNOWN: 0;
    readonly SVG_EDGEMODE_DUPLICATE: 1;
    readonly SVG_EDGEMODE_WRAP: 2;
    readonly SVG_EDGEMODE_NONE: 3;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEConvolveMatrixElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEConvolveMatrixElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEConvolveMatrixElement: {
    prototype: SVGFEConvolveMatrixElement;
    new(): SVGFEConvolveMatrixElement;
    readonly SVG_EDGEMODE_UNKNOWN: 0;
    readonly SVG_EDGEMODE_DUPLICATE: 1;
    readonly SVG_EDGEMODE_WRAP: 2;
    readonly SVG_EDGEMODE_NONE: 3;
};

/**
 * The **`SVGFEDiffuseLightingElement`** interface corresponds to the <feDiffuseLighting> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement)
 */
interface SVGFEDiffuseLightingElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`diffuseConstant`** read-only property of the SVGFEDiffuseLightingElement interface reflects the diffuseConstant attribute of the given <feDiffuseLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement/diffuseConstant)
     */
    readonly diffuseConstant: SVGAnimatedNumber;
    /**
     * The **`in1`** read-only property of the SVGFEDiffuseLightingElement interface reflects the in attribute of the given <feDiffuseLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`kernelUnitLengthX`** read-only property of the SVGFEDiffuseLightingElement interface reflects the X component of the kernelUnitLength attribute of the given <feDiffuseLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement/kernelUnitLengthX)
     */
    readonly kernelUnitLengthX: SVGAnimatedNumber;
    /**
     * The **`kernelUnitLengthY`** read-only property of the SVGFEDiffuseLightingElement interface reflects the Y component of the kernelUnitLength attribute of the given <feDiffuseLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement/kernelUnitLengthY)
     */
    readonly kernelUnitLengthY: SVGAnimatedNumber;
    /**
     * The **`surfaceScale`** read-only property of the SVGFEDiffuseLightingElement interface reflects the surfaceScale attribute of the given <feDiffuseLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDiffuseLightingElement/surfaceScale)
     */
    readonly surfaceScale: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDiffuseLightingElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDiffuseLightingElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEDiffuseLightingElement: {
    prototype: SVGFEDiffuseLightingElement;
    new(): SVGFEDiffuseLightingElement;
};

/**
 * The **`SVGFEDisplacementMapElement`** interface corresponds to the <feDisplacementMap> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement)
 */
interface SVGFEDisplacementMapElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEDisplacementMapElement interface reflects the in attribute of the given <feDisplacementMap> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`in2`** read-only property of the SVGFEDisplacementMapElement interface reflects the in2 attribute of the given <feDisplacementMap> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement/in2)
     */
    readonly in2: SVGAnimatedString;
    /**
     * The **`scale`** read-only property of the SVGFEDisplacementMapElement interface reflects the scale attribute of the given <feDisplacementMap> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement/scale)
     */
    readonly scale: SVGAnimatedNumber;
    /**
     * The **`xChannelSelector`** read-only property of the SVGFEDisplacementMapElement interface reflects the xChannelSelector attribute of the given <feDisplacementMap> element. It takes one of the SVG_CHANNEL_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement/xChannelSelector)
     */
    readonly xChannelSelector: SVGAnimatedEnumeration;
    /**
     * The **`yChannelSelector`** read-only property of the SVGFEDisplacementMapElement interface reflects the yChannelSelector attribute of the given <feDisplacementMap> element. It takes one of the SVG_CHANNEL_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDisplacementMapElement/yChannelSelector)
     */
    readonly yChannelSelector: SVGAnimatedEnumeration;
    readonly SVG_CHANNEL_UNKNOWN: 0;
    readonly SVG_CHANNEL_R: 1;
    readonly SVG_CHANNEL_G: 2;
    readonly SVG_CHANNEL_B: 3;
    readonly SVG_CHANNEL_A: 4;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDisplacementMapElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDisplacementMapElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEDisplacementMapElement: {
    prototype: SVGFEDisplacementMapElement;
    new(): SVGFEDisplacementMapElement;
    readonly SVG_CHANNEL_UNKNOWN: 0;
    readonly SVG_CHANNEL_R: 1;
    readonly SVG_CHANNEL_G: 2;
    readonly SVG_CHANNEL_B: 3;
    readonly SVG_CHANNEL_A: 4;
};

/**
 * The **`SVGFEDistantLightElement`** interface corresponds to the <feDistantLight> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDistantLightElement)
 */
interface SVGFEDistantLightElement extends SVGElement {
    /**
     * The **`azimuth`** read-only property of the SVGFEDistantLightElement interface reflects the azimuth attribute of the given <feDistantLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDistantLightElement/azimuth)
     */
    readonly azimuth: SVGAnimatedNumber;
    /**
     * The **`elevation`** read-only property of the SVGFEDistantLightElement interface reflects the elevation attribute of the given <feDistantLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDistantLightElement/elevation)
     */
    readonly elevation: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDistantLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDistantLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEDistantLightElement: {
    prototype: SVGFEDistantLightElement;
    new(): SVGFEDistantLightElement;
};

/**
 * The **`SVGFEDropShadowElement`** interface corresponds to the <feDropShadow> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement)
 */
interface SVGFEDropShadowElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`dx`** read-only property of the SVGFEDropShadowElement interface reflects the dx attribute of the given <feDropShadow> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/dx)
     */
    readonly dx: SVGAnimatedNumber;
    /**
     * The **`dy`** read-only property of the SVGFEDropShadowElement interface reflects the dy attribute of the given <feDropShadow> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/dy)
     */
    readonly dy: SVGAnimatedNumber;
    /**
     * The **`in1`** read-only property of the SVGFEDropShadowElement interface reflects the in attribute of the given <feDropShadow> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`stdDeviationX`** read-only property of the SVGFEDropShadowElement interface reflects the (possibly automatically computed) X component of the stdDeviation attribute of the given <feDropShadow> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/stdDeviationX)
     */
    readonly stdDeviationX: SVGAnimatedNumber;
    /**
     * The **`stdDeviationY`** read-only property of the SVGFEDropShadowElement interface reflects the (possibly automatically computed) Y component of the stdDeviation attribute of the given <feDropShadow> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/stdDeviationY)
     */
    readonly stdDeviationY: SVGAnimatedNumber;
    /**
     * The **`setStdDeviation()`** method of the SVGFEDropShadowElement interface sets the values for the stdDeviation attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEDropShadowElement/setStdDeviation)
     */
    setStdDeviation(stdDeviationX: number, stdDeviationY: number): void;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDropShadowElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEDropShadowElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEDropShadowElement: {
    prototype: SVGFEDropShadowElement;
    new(): SVGFEDropShadowElement;
};

/**
 * The **`SVGFEFloodElement`** interface corresponds to the <feFlood> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEFloodElement)
 */
interface SVGFEFloodElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFloodElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFloodElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEFloodElement: {
    prototype: SVGFEFloodElement;
    new(): SVGFEFloodElement;
};

/**
 * The **`SVGFEFuncAElement`** interface corresponds to the <feFuncA> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEFuncAElement)
 */
interface SVGFEFuncAElement extends SVGComponentTransferFunctionElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncAElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncAElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEFuncAElement: {
    prototype: SVGFEFuncAElement;
    new(): SVGFEFuncAElement;
};

/**
 * The **`SVGFEFuncBElement`** interface corresponds to the <feFuncB> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEFuncBElement)
 */
interface SVGFEFuncBElement extends SVGComponentTransferFunctionElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncBElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncBElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEFuncBElement: {
    prototype: SVGFEFuncBElement;
    new(): SVGFEFuncBElement;
};

/**
 * The **`SVGFEFuncGElement`** interface corresponds to the <feFuncG> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEFuncGElement)
 */
interface SVGFEFuncGElement extends SVGComponentTransferFunctionElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEFuncGElement: {
    prototype: SVGFEFuncGElement;
    new(): SVGFEFuncGElement;
};

/**
 * The **`SVGFEFuncRElement`** interface corresponds to the <feFuncR> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEFuncRElement)
 */
interface SVGFEFuncRElement extends SVGComponentTransferFunctionElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncRElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEFuncRElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEFuncRElement: {
    prototype: SVGFEFuncRElement;
    new(): SVGFEFuncRElement;
};

/**
 * The **`SVGFEGaussianBlurElement`** interface corresponds to the <feGaussianBlur> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEGaussianBlurElement)
 */
interface SVGFEGaussianBlurElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEGaussianBlurElement interface reflects the in attribute of the given <feGaussianBlur> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEGaussianBlurElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`stdDeviationX`** read-only property of the SVGFEGaussianBlurElement interface reflects the (possibly automatically computed) X component of the stdDeviation attribute of the given <feGaussianBlur> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEGaussianBlurElement/stdDeviationX)
     */
    readonly stdDeviationX: SVGAnimatedNumber;
    /**
     * The **`stdDeviationY`** read-only property of the SVGFEGaussianBlurElement interface reflects the (possibly automatically computed) Y component of the stdDeviation attribute of the given <feGaussianBlur> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEGaussianBlurElement/stdDeviationY)
     */
    readonly stdDeviationY: SVGAnimatedNumber;
    /**
     * The **`setStdDeviation()`** method of the SVGFEGaussianBlurElement interface sets the values for the stdDeviation attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEGaussianBlurElement/setStdDeviation)
     */
    setStdDeviation(stdDeviationX: number, stdDeviationY: number): void;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEGaussianBlurElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEGaussianBlurElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEGaussianBlurElement: {
    prototype: SVGFEGaussianBlurElement;
    new(): SVGFEGaussianBlurElement;
};

/**
 * The **`SVGFEImageElement`** interface corresponds to the <feImage> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEImageElement)
 */
interface SVGFEImageElement extends SVGElement, SVGFilterPrimitiveStandardAttributes, SVGURIReference {
    /**
     * The **`preserveAspectRatio`** read-only property of the SVGFEImageElement interface reflects the preserveAspectRatio attribute of the given <feImage> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEImageElement/preserveAspectRatio)
     */
    readonly preserveAspectRatio: SVGAnimatedPreserveAspectRatio;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEImageElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEImageElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEImageElement: {
    prototype: SVGFEImageElement;
    new(): SVGFEImageElement;
};

/**
 * The **`SVGFEMergeElement`** interface corresponds to the <feMerge> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMergeElement)
 */
interface SVGFEMergeElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMergeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMergeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEMergeElement: {
    prototype: SVGFEMergeElement;
    new(): SVGFEMergeElement;
};

/**
 * The **`SVGFEMergeNodeElement`** interface corresponds to the <feMergeNode> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMergeNodeElement)
 */
interface SVGFEMergeNodeElement extends SVGElement {
    /**
     * The **`in1`** read-only property of the SVGFEMergeNodeElement interface reflects the in attribute of the given <feMergeNode> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMergeNodeElement/in1)
     */
    readonly in1: SVGAnimatedString;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMergeNodeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMergeNodeElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEMergeNodeElement: {
    prototype: SVGFEMergeNodeElement;
    new(): SVGFEMergeNodeElement;
};

/**
 * The **`SVGFEMorphologyElement`** interface corresponds to the <feMorphology> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMorphologyElement)
 */
interface SVGFEMorphologyElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFEMorphologyElement interface reflects the in attribute of the given <feMorphology> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMorphologyElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`operator`** read-only property of the SVGFEMorphologyElement interface reflects the operator attribute of the given <feMorphology> element. It takes one of the SVG_MORPHOLOGY_OPERATOR_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMorphologyElement/operator)
     */
    readonly operator: SVGAnimatedEnumeration;
    /**
     * The **`radiusX`** read-only property of the SVGFEMorphologyElement interface reflects the X component of the radius attribute of the given <feMorphology> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMorphologyElement/radiusX)
     */
    readonly radiusX: SVGAnimatedNumber;
    /**
     * The **`radiusY`** read-only property of the SVGFEMorphologyElement interface reflects the Y component of the radius attribute of the given <feMorphology> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEMorphologyElement/radiusY)
     */
    readonly radiusY: SVGAnimatedNumber;
    readonly SVG_MORPHOLOGY_OPERATOR_UNKNOWN: 0;
    readonly SVG_MORPHOLOGY_OPERATOR_ERODE: 1;
    readonly SVG_MORPHOLOGY_OPERATOR_DILATE: 2;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMorphologyElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEMorphologyElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEMorphologyElement: {
    prototype: SVGFEMorphologyElement;
    new(): SVGFEMorphologyElement;
    readonly SVG_MORPHOLOGY_OPERATOR_UNKNOWN: 0;
    readonly SVG_MORPHOLOGY_OPERATOR_ERODE: 1;
    readonly SVG_MORPHOLOGY_OPERATOR_DILATE: 2;
};

/**
 * The **`SVGFEOffsetElement`** interface corresponds to the <feOffset> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEOffsetElement)
 */
interface SVGFEOffsetElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`dx`** read-only property of the SVGFEOffsetElement interface reflects the dx attribute of the given <feOffset> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEOffsetElement/dx)
     */
    readonly dx: SVGAnimatedNumber;
    /**
     * The **`dy`** read-only property of the SVGFEOffsetElement interface reflects the dy attribute of the given <feOffset> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEOffsetElement/dy)
     */
    readonly dy: SVGAnimatedNumber;
    /**
     * The **`in1`** read-only property of the SVGFEOffsetElement interface reflects the in attribute of the given <feOffset> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEOffsetElement/in1)
     */
    readonly in1: SVGAnimatedString;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEOffsetElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEOffsetElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEOffsetElement: {
    prototype: SVGFEOffsetElement;
    new(): SVGFEOffsetElement;
};

/**
 * The **`SVGFEPointLightElement`** interface corresponds to the <fePointLight> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEPointLightElement)
 */
interface SVGFEPointLightElement extends SVGElement {
    /**
     * The **`x`** read-only property of the SVGFEPointLightElement interface describes the horizontal coordinate of the position of an SVG filter primitive as a SVGAnimatedNumber.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEPointLightElement/x)
     */
    readonly x: SVGAnimatedNumber;
    /**
     * The **`y`** read-only property of the SVGFEPointLightElement interface describes the vertical coordinate of the position of an SVG filter primitive as a SVGAnimatedNumber.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEPointLightElement/y)
     */
    readonly y: SVGAnimatedNumber;
    /**
     * The **`z`** read-only property of the SVGFEPointLightElement interface describes the z-axis value of the position of an SVG filter primitive as a SVGAnimatedNumber. A positive Z-axis comes out towards the person viewing the content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEPointLightElement/z)
     */
    readonly z: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEPointLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFEPointLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFEPointLightElement: {
    prototype: SVGFEPointLightElement;
    new(): SVGFEPointLightElement;
};

/**
 * The **`SVGFESpecularLightingElement`** interface corresponds to the <feSpecularLighting> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement)
 */
interface SVGFESpecularLightingElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFESpecularLightingElement interface reflects the in attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/in1)
     */
    readonly in1: SVGAnimatedString;
    /**
     * The **`kernelUnitLengthX`** read-only property of the SVGFESpecularLightingElement interface reflects the x value of the kernelUnitLength attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/kernelUnitLengthX)
     */
    readonly kernelUnitLengthX: SVGAnimatedNumber;
    /**
     * The **`kernelUnitLengthY`** read-only property of the SVGFESpecularLightingElement interface reflects the y value of the kernelUnitLength attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/kernelUnitLengthY)
     */
    readonly kernelUnitLengthY: SVGAnimatedNumber;
    /**
     * The **`specularConstant`** read-only property of the SVGFESpecularLightingElement interface reflects the specularConstant attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/specularConstant)
     */
    readonly specularConstant: SVGAnimatedNumber;
    /**
     * The **`specularExponent`** read-only property of the SVGFESpecularLightingElement interface reflects the specularExponent attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/specularExponent)
     */
    readonly specularExponent: SVGAnimatedNumber;
    /**
     * The **`surfaceScale`** read-only property of the SVGFESpecularLightingElement interface reflects the surfaceScale attribute of the given <feSpecularLighting> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpecularLightingElement/surfaceScale)
     */
    readonly surfaceScale: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFESpecularLightingElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFESpecularLightingElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFESpecularLightingElement: {
    prototype: SVGFESpecularLightingElement;
    new(): SVGFESpecularLightingElement;
};

/**
 * The **`SVGFESpotLightElement`** interface corresponds to the <feSpotLight> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement)
 */
interface SVGFESpotLightElement extends SVGElement {
    /**
     * The **`limitingConeAngle`** read-only property of the SVGFESpotLightElement interface reflects the limitingConeAngle attribute of the given <feSpotLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/limitingConeAngle)
     */
    readonly limitingConeAngle: SVGAnimatedNumber;
    /**
     * The **`pointsAtX`** read-only property of the SVGFESpotLightElement interface reflects the pointsAtX attribute of the given <feSpotLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/pointsAtX)
     */
    readonly pointsAtX: SVGAnimatedNumber;
    /**
     * The **`pointsAtY`** read-only property of the SVGFESpotLightElement interface reflects the pointsAtY attribute of the given <feSpotLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/pointsAtY)
     */
    readonly pointsAtY: SVGAnimatedNumber;
    /**
     * The **`pointsAtZ`** read-only property of the SVGFESpotLightElement interface reflects the pointsAtZ attribute of the given <feSpotLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/pointsAtZ)
     */
    readonly pointsAtZ: SVGAnimatedNumber;
    /**
     * The **`specularExponent`** read-only property of the SVGFESpotLightElement interface reflects the specularExponent attribute of the given <feSpotLight> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/specularExponent)
     */
    readonly specularExponent: SVGAnimatedNumber;
    /**
     * The **`x`** read-only property of the SVGFESpotLightElement interface describes the horizontal coordinate of the position of an SVG filter primitive as a SVGAnimatedNumber.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/x)
     */
    readonly x: SVGAnimatedNumber;
    /**
     * The **`y`** read-only property of the SVGFESpotLightElement interface describes the vertical coordinate of the position of an SVG filter primitive as a SVGAnimatedNumber.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/y)
     */
    readonly y: SVGAnimatedNumber;
    /**
     * The **`z`** read-only property of the SVGFESpotLightElement interface describes the z-axis value of the position of an SVG filter primitive as a SVGAnimatedNumber. A positive Z-axis comes out towards the person viewing the content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFESpotLightElement/z)
     */
    readonly z: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFESpotLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFESpotLightElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFESpotLightElement: {
    prototype: SVGFESpotLightElement;
    new(): SVGFESpotLightElement;
};

/**
 * The **`SVGFETileElement`** interface corresponds to the <feTile> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETileElement)
 */
interface SVGFETileElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`in1`** read-only property of the SVGFETileElement interface reflects the in attribute of the given <feTile> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETileElement/in1)
     */
    readonly in1: SVGAnimatedString;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFETileElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFETileElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFETileElement: {
    prototype: SVGFETileElement;
    new(): SVGFETileElement;
};

/**
 * The **`SVGFETurbulenceElement`** interface corresponds to the <feTurbulence> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement)
 */
interface SVGFETurbulenceElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
    /**
     * The **`baseFrequencyX`** read-only property of the SVGFETurbulenceElement interface reflects the X component of the baseFrequency attribute of the given <feTurbulence> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/baseFrequencyX)
     */
    readonly baseFrequencyX: SVGAnimatedNumber;
    /**
     * The **`baseFrequencyY`** read-only property of the SVGFETurbulenceElement interface reflects the Y component of the baseFrequency attribute of the given <feTurbulence> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/baseFrequencyY)
     */
    readonly baseFrequencyY: SVGAnimatedNumber;
    /**
     * The **`numOctaves`** read-only property of the SVGFETurbulenceElement interface reflects the numOctaves attribute of the given <feTurbulence> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/numOctaves)
     */
    readonly numOctaves: SVGAnimatedInteger;
    /**
     * The **`seed`** read-only property of the SVGFETurbulenceElement interface reflects the seed attribute of the given <feTurbulence> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/seed)
     */
    readonly seed: SVGAnimatedNumber;
    /**
     * The **`stitchTiles`** read-only property of the SVGFETurbulenceElement interface reflects the stitchTiles attribute of the given <feTurbulence> element. It takes one of the SVG_STITCHTYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/stitchTiles)
     */
    readonly stitchTiles: SVGAnimatedEnumeration;
    /**
     * The **`type`** read-only property of the SVGFETurbulenceElement interface reflects the type attribute of the given <feTurbulence> element. It takes one of the SVG_TURBULENCE_TYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFETurbulenceElement/type)
     */
    readonly type: SVGAnimatedEnumeration;
    readonly SVG_TURBULENCE_TYPE_UNKNOWN: 0;
    readonly SVG_TURBULENCE_TYPE_FRACTALNOISE: 1;
    readonly SVG_TURBULENCE_TYPE_TURBULENCE: 2;
    readonly SVG_STITCHTYPE_UNKNOWN: 0;
    readonly SVG_STITCHTYPE_STITCH: 1;
    readonly SVG_STITCHTYPE_NOSTITCH: 2;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFETurbulenceElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFETurbulenceElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFETurbulenceElement: {
    prototype: SVGFETurbulenceElement;
    new(): SVGFETurbulenceElement;
    readonly SVG_TURBULENCE_TYPE_UNKNOWN: 0;
    readonly SVG_TURBULENCE_TYPE_FRACTALNOISE: 1;
    readonly SVG_TURBULENCE_TYPE_TURBULENCE: 2;
    readonly SVG_STITCHTYPE_UNKNOWN: 0;
    readonly SVG_STITCHTYPE_STITCH: 1;
    readonly SVG_STITCHTYPE_NOSTITCH: 2;
};

/**
 * The **`SVGFilterElement`** interface provides access to the properties of <filter> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement)
 */
interface SVGFilterElement extends SVGElement, SVGURIReference {
    /**
     * The **`filterUnits`** read-only property of the SVGFilterElement interface reflects the filterUnits attribute of the given <filter> element. It takes one of the SVG_UNIT_TYPE_* constants defined in SVGUnitTypes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/filterUnits)
     */
    readonly filterUnits: SVGAnimatedEnumeration;
    /**
     * The **`height`** read-only property of the SVGFilterElement interface describes the vertical size of an SVG filter primitive as a SVGAnimatedLength.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`primitiveUnits`** read-only property of the SVGFilterElement interface reflects the primitiveUnits attribute of the given <filter> element. It takes one of the SVG_UNIT_TYPE_* constants defined in SVGUnitTypes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/primitiveUnits)
     */
    readonly primitiveUnits: SVGAnimatedEnumeration;
    /**
     * The **`width`** read-only property of the SVGFilterElement interface describes the horizontal size of an SVG filter primitive as a SVGAnimatedLength.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGFilterElement interface describes the horizontal coordinate of the position of an SVG filter primitive as a SVGAnimatedLength.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGFilterElement interface describes the vertical coordinate of the position of an SVG filter primitive as a SVGAnimatedLength.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFilterElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFilterElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGFilterElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGFilterElement: {
    prototype: SVGFilterElement;
    new(): SVGFilterElement;
};

interface SVGFilterPrimitiveStandardAttributes {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/height) */
    readonly height: SVGAnimatedLength;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/result) */
    readonly result: SVGAnimatedString;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/width) */
    readonly width: SVGAnimatedLength;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/x) */
    readonly x: SVGAnimatedLength;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGFEBlendElement/y) */
    readonly y: SVGAnimatedLength;
}

interface SVGFitToViewBox {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/preserveAspectRatio) */
    readonly preserveAspectRatio: SVGAnimatedPreserveAspectRatio;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/viewBox) */
    readonly viewBox: SVGAnimatedRect;
}

/**
 * The **`SVGForeignObjectElement`** interface provides access to the properties of <foreignObject> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGForeignObjectElement)
 */
interface SVGForeignObjectElement extends SVGGraphicsElement {
    /**
     * The **`height`** read-only property of the SVGForeignObjectElement interface describes the height of the <foreignObject> element. It reflects the computed value of the height attribute on the <foreignObject> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGForeignObjectElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`width`** read-only property of the SVGForeignObjectElement interface describes the width of the <foreignObject> element. It reflects the computed value of the width attribute on the <foreignObject> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGForeignObjectElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGForeignObjectElement interface describes the x-axis coordinate of the <foreignObject> element. It reflects the computed value of the x attribute on the <foreignObject> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGForeignObjectElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGForeignObjectElement interface describes the y-axis coordinate of the <foreignObject> element. It reflects the computed value of the y attribute on the <foreignObject> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGForeignObjectElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGForeignObjectElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGForeignObjectElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGForeignObjectElement: {
    prototype: SVGForeignObjectElement;
    new(): SVGForeignObjectElement;
};

/**
 * The **`SVGGElement`** interface corresponds to the <g> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGElement)
 */
interface SVGGElement extends SVGGraphicsElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGGElement: {
    prototype: SVGGElement;
    new(): SVGGElement;
};

/**
 * The **`SVGGeometryElement`** interface represents SVG elements whose rendering is defined by geometry with an equivalent path, and which can be filled and stroked. This includes paths and the basic shapes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement)
 */
interface SVGGeometryElement extends SVGGraphicsElement {
    /**
     * The **`SVGGeometryElement.pathLength`** property reflects the pathLength attribute and returns the total length of the path, in user units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement/pathLength)
     */
    readonly pathLength: SVGAnimatedNumber;
    /**
     * The **`SVGGeometryElement.getPointAtLength()`** method returns the point at a given distance along the path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement/getPointAtLength)
     */
    getPointAtLength(distance: number): DOMPoint;
    /**
     * The **`SVGGeometryElement.getTotalLength()`** method returns the user agent's computed value for the total length of the path in user units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement/getTotalLength)
     */
    getTotalLength(): number;
    /**
     * The **`isPointInFill()`** method of the SVGGeometryElement interface determines whether a given point is within the fill shape of an element. The point argument is interpreted as a point in the local coordinate system of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement/isPointInFill)
     */
    isPointInFill(point?: DOMPointInit): boolean;
    /**
     * The **`isPointInStroke()`** method of the SVGGeometryElement interface determines whether a given point is within the stroke shape of an element. The point argument is interpreted as a point in the local coordinate system of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGeometryElement/isPointInStroke)
     */
    isPointInStroke(point?: DOMPointInit): boolean;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGeometryElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGeometryElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGGeometryElement: {
    prototype: SVGGeometryElement;
    new(): SVGGeometryElement;
};

/**
 * The SVGGradient interface is a base interface used by SVGLinearGradientElement and SVGRadialGradientElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGradientElement)
 */
interface SVGGradientElement extends SVGElement, SVGURIReference {
    /**
     * The **`gradientTransform`** read-only property of the SVGGradientElement interface reflects the gradientTransform attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGradientElement/gradientTransform)
     */
    readonly gradientTransform: SVGAnimatedTransformList;
    /**
     * The **`gradientUnits`** read-only property of the SVGGradientElement interface reflects the gradientUnits attribute of the given element. It takes one of the SVG_UNIT_TYPE_* constants defined in SVGUnitTypes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGradientElement/gradientUnits)
     */
    readonly gradientUnits: SVGAnimatedEnumeration;
    /**
     * The **`spreadMethod`** read-only property of the SVGGradientElement interface reflects the spreadMethod attribute of the given element. It takes one of the SVG_SPREADMETHOD_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGradientElement/spreadMethod)
     */
    readonly spreadMethod: SVGAnimatedEnumeration;
    readonly SVG_SPREADMETHOD_UNKNOWN: 0;
    readonly SVG_SPREADMETHOD_PAD: 1;
    readonly SVG_SPREADMETHOD_REFLECT: 2;
    readonly SVG_SPREADMETHOD_REPEAT: 3;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGGradientElement: {
    prototype: SVGGradientElement;
    new(): SVGGradientElement;
    readonly SVG_SPREADMETHOD_UNKNOWN: 0;
    readonly SVG_SPREADMETHOD_PAD: 1;
    readonly SVG_SPREADMETHOD_REFLECT: 2;
    readonly SVG_SPREADMETHOD_REPEAT: 3;
};

/**
 * The **`SVGGraphicsElement`** interface represents SVG elements whose primary purpose is to directly render graphics into a group.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGraphicsElement)
 */
interface SVGGraphicsElement extends SVGElement, SVGTests {
    /**
     * The **`transform`** read-only property of the SVGGraphicsElement interface reflects the computed value of the transform property and its corresponding transform attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGraphicsElement/transform)
     */
    readonly transform: SVGAnimatedTransformList;
    /**
     * The **`SVGGraphicsElement.getBBox()`** method allows us to determine the coordinates of the smallest rectangle in which the object fits. The coordinates returned are with respect to the current SVG space (after the application of all geometry attributes on all the elements contained in the target element).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGraphicsElement/getBBox)
     */
    getBBox(options?: SVGBoundingBoxOptions): DOMRect;
    /**
     * The **`getCTM()`** method of the SVGGraphicsElement interface represents the matrix that transforms the current element's coordinate system to its SVG viewport's coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGraphicsElement/getCTM)
     */
    getCTM(): DOMMatrix | null;
    /**
     * The **`getScreenCTM()`** method of the SVGGraphicsElement interface represents the matrix that transforms the current element's coordinate system to the coordinate system of the SVG viewport for the SVG document fragment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGGraphicsElement/getScreenCTM)
     */
    getScreenCTM(): DOMMatrix | null;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGraphicsElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGGraphicsElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGGraphicsElement: {
    prototype: SVGGraphicsElement;
    new(): SVGGraphicsElement;
};

/**
 * The **`SVGImageElement`** interface corresponds to the <image> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement)
 */
interface SVGImageElement extends SVGGraphicsElement, SVGURIReference {
    /**
     * The **`crossOrigin`** property of the SVGImageElement interface is a string which specifies the Cross-Origin Resource Sharing (CORS) setting to use when retrieving the image. It reflects the crossorigin content attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/crossOrigin)
     */
    crossOrigin: string | null;
    /**
     * The **`height`** read-only property of the SVGImageElement interface returns an SVGAnimatedLength corresponding to the height attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`preserveAspectRatio`** read-only property of the SVGImageElement interface returns an SVGAnimatedPreserveAspectRatio corresponding to the preserveAspectRatio attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/preserveAspectRatio)
     */
    readonly preserveAspectRatio: SVGAnimatedPreserveAspectRatio;
    /**
     * The **`width`** read-only property of the SVGImageElement interface returns an SVGAnimatedLength corresponding to the width attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGImageElement interface returns an SVGAnimatedLength corresponding to the x attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGImageElement interface returns an SVGAnimatedLength corresponding to the y attribute of the given <image> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGImageElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGImageElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGImageElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGImageElement: {
    prototype: SVGImageElement;
    new(): SVGImageElement;
};

/**
 * The **`SVGLength`** interface correspond to the <length> basic data type.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength)
 */
interface SVGLength {
    /**
     * The **`unitType`** property of the SVGLength interface that represents type of the value as specified by one of the SVG_LENGTHTYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/unitType)
     */
    readonly unitType: number;
    /**
     * The **`value`** property of the SVGLength interface represents the floating point value of the <length> in user units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/value)
     */
    value: number;
    /**
     * The **`valueAsString`** property of the SVGLength interface represents the <length>'s value as a string, in the units expressed by unitType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/valueAsString)
     */
    valueAsString: string;
    /**
     * The **`valueInSpecifiedUnits`** property of the SVGLength interface represents floating point value, in the units expressed by unitType.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/valueInSpecifiedUnits)
     */
    valueInSpecifiedUnits: number;
    /**
     * The **`convertToSpecifiedUnits()`** method of the SVGLength interface allows you to convert the length's value to the specified unit type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/convertToSpecifiedUnits)
     */
    convertToSpecifiedUnits(unitType: number): void;
    /**
     * The **`newValueSpecifiedUnits()`** method of the SVGLength interface resets the value as a number with an associated unitType, thereby replacing the values for all of the attributes on the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLength/newValueSpecifiedUnits)
     */
    newValueSpecifiedUnits(unitType: number, valueInSpecifiedUnits: number): void;
    readonly SVG_LENGTHTYPE_UNKNOWN: 0;
    readonly SVG_LENGTHTYPE_NUMBER: 1;
    readonly SVG_LENGTHTYPE_PERCENTAGE: 2;
    readonly SVG_LENGTHTYPE_EMS: 3;
    readonly SVG_LENGTHTYPE_EXS: 4;
    readonly SVG_LENGTHTYPE_PX: 5;
    readonly SVG_LENGTHTYPE_CM: 6;
    readonly SVG_LENGTHTYPE_MM: 7;
    readonly SVG_LENGTHTYPE_IN: 8;
    readonly SVG_LENGTHTYPE_PT: 9;
    readonly SVG_LENGTHTYPE_PC: 10;
}

declare var SVGLength: {
    prototype: SVGLength;
    new(): SVGLength;
    readonly SVG_LENGTHTYPE_UNKNOWN: 0;
    readonly SVG_LENGTHTYPE_NUMBER: 1;
    readonly SVG_LENGTHTYPE_PERCENTAGE: 2;
    readonly SVG_LENGTHTYPE_EMS: 3;
    readonly SVG_LENGTHTYPE_EXS: 4;
    readonly SVG_LENGTHTYPE_PX: 5;
    readonly SVG_LENGTHTYPE_CM: 6;
    readonly SVG_LENGTHTYPE_MM: 7;
    readonly SVG_LENGTHTYPE_IN: 8;
    readonly SVG_LENGTHTYPE_PT: 9;
    readonly SVG_LENGTHTYPE_PC: 10;
};

/**
 * The **`SVGLengthList`** interface defines a list of SVGLength objects. It is used for the baseVal and animVal properties of SVGAnimatedLengthList.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList)
 */
interface SVGLengthList {
    /**
     * The **`length`** property of the SVGLengthList interface returns the number of items in the list. It is an alias of numberOfItems to make SVG lists more array-like.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/length)
     */
    readonly length: number;
    /**
     * The **`numberOfItems`** property of the SVGLengthList interface returns the number of items in the list. length is an alias of it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/numberOfItems)
     */
    readonly numberOfItems: number;
    /**
     * The **`appendItem()`** method of the SVGLengthList interface inserts a new item at the end of the list. If the given item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/appendItem)
     */
    appendItem(newItem: SVGLength): SVGLength;
    /**
     * The **`clear()`** method of the SVGLengthList interface clears all existing items from the list, with the result being an empty list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/clear)
     */
    clear(): void;
    /**
     * The **`getItem()`** method of the SVGLengthList interface returns the specified item from the list. The returned item is the item itself and not a copy. Any changes made to the item are immediately reflected in the list. The first item is indexed 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/getItem)
     */
    getItem(index: number): SVGLength;
    /**
     * The **`initialize()`** method of the SVGLengthList interface clears all existing items from the list and re-initializes the list to hold the single item specified by the parameter. If the inserted item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy. The return value is the item inserted into the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/initialize)
     */
    initialize(newItem: SVGLength): SVGLength;
    /**
     * The **`insertItemBefore()`** method of the SVGLengthList interface inserts a new item into the list at the specified position. The first item is indexed 0. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/insertItemBefore)
     */
    insertItemBefore(newItem: SVGLength, index: number): SVGLength;
    /**
     * The **`removeItem()`** method of the SVGLengthList interface removes an existing item at the given index from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/removeItem)
     */
    removeItem(index: number): SVGLength;
    /**
     * The **`replaceItem()`** method of the SVGLengthList interface replaces an existing item in the list with a new item. If the new item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy. If the item is already in this list, note that the index of the item to replace is before the removal of the item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLengthList/replaceItem)
     */
    replaceItem(newItem: SVGLength, index: number): SVGLength;
    [index: number]: SVGLength;
}

declare var SVGLengthList: {
    prototype: SVGLengthList;
    new(): SVGLengthList;
};

/**
 * The **`SVGLineElement`** interface provides access to the properties of <line> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLineElement)
 */
interface SVGLineElement extends SVGGeometryElement {
    /**
     * The **`x1`** read-only property of the SVGLineElement interface describes the start of the SVG line along the x-axis as an SVGAnimatedLength. It reflects the <line> element's x1 geometric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLineElement/x1)
     */
    readonly x1: SVGAnimatedLength;
    /**
     * The **`x2`** read-only property of the SVGLineElement interface describes the x-axis coordinate value of the end of a line as an SVGAnimatedLength. It reflects the <line> element's x2 geometric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLineElement/x2)
     */
    readonly x2: SVGAnimatedLength;
    /**
     * The **`y1`** read-only property of the SVGLineElement interface describes the start of the SVG line along the y-axis as an SVGAnimatedLength. It reflects the <line> element's y1 geometric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLineElement/y1)
     */
    readonly y1: SVGAnimatedLength;
    /**
     * The **`y2`** read-only property of the SVGLineElement interface describes the v-axis coordinate value of the end of a line as an SVGAnimatedLength. It reflects the <line> element's y2 geometric attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLineElement/y2)
     */
    readonly y2: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGLineElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGLineElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGLineElement: {
    prototype: SVGLineElement;
    new(): SVGLineElement;
};

/**
 * The **`SVGLinearGradientElement`** interface corresponds to the <linearGradient> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLinearGradientElement)
 */
interface SVGLinearGradientElement extends SVGGradientElement {
    /**
     * The **`x1`** read-only property of the SVGLinearGradientElement interface describes the x-axis coordinate of the start point of the gradient as an SVGAnimatedLength. It reflects the computed value of the x1 attribute on the <linearGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLinearGradientElement/x1)
     */
    readonly x1: SVGAnimatedLength;
    /**
     * The **`x2`** read-only property of the SVGLinearGradientElement interface describes the x-axis coordinate of the start point of the gradient as an SVGAnimatedLength. It reflects the computed value of the x2 attribute on the <linearGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLinearGradientElement/x2)
     */
    readonly x2: SVGAnimatedLength;
    /**
     * The **`y1`** read-only property of the SVGLinearGradientElement interface describes the y-axis coordinate of the start point of the gradient as an SVGAnimatedLength. It reflects the computed value of the y1 attribute on the <linearGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLinearGradientElement/y1)
     */
    readonly y1: SVGAnimatedLength;
    /**
     * The **`y2`** read-only property of the SVGLinearGradientElement interface describes the y-axis coordinate of the start point of the gradient as an SVGAnimatedLength. It reflects the computed value of the y2 attribute on the <linearGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGLinearGradientElement/y2)
     */
    readonly y2: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGLinearGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGLinearGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGLinearGradientElement: {
    prototype: SVGLinearGradientElement;
    new(): SVGLinearGradientElement;
};

/**
 * The **`SVGMPathElement`** interface corresponds to the <mpath> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMPathElement)
 */
interface SVGMPathElement extends SVGElement, SVGURIReference {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGMPathElement: {
    prototype: SVGMPathElement;
    new(): SVGMPathElement;
};

/**
 * The **`SVGMarkerElement`** interface provides access to the properties of <marker> elements, as well as methods to manipulate them. The <marker> element defines the graphics used for drawing marks on a shape.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement)
 */
interface SVGMarkerElement extends SVGElement, SVGFitToViewBox {
    /**
     * The **`markerHeight`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the height of the <marker> viewport as defined by the markerHeight attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/markerHeight)
     */
    readonly markerHeight: SVGAnimatedLength;
    /**
     * The **`markerUnits`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedEnumeration object. This object returns an integer which represents the keyword values that the markerUnits attribute accepts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/markerUnits)
     */
    readonly markerUnits: SVGAnimatedEnumeration;
    /**
     * The **`markerWidth`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the width of the <marker> viewport as defined by the markerWidth attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/markerWidth)
     */
    readonly markerWidth: SVGAnimatedLength;
    /**
     * The **`orientAngle`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedAngle object containing the angle of the orient attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/orientAngle)
     */
    readonly orientAngle: SVGAnimatedAngle;
    /**
     * The **`orientType`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedEnumeration object indicating whether the orient attribute is auto, an angle value, or something else.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/orientType)
     */
    readonly orientType: SVGAnimatedEnumeration;
    /**
     * The **`refX`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the value of the refX attribute of the <marker>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/refX)
     */
    readonly refX: SVGAnimatedLength;
    /**
     * The **`refY`** read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the value of the refY attribute of the <marker>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/refY)
     */
    readonly refY: SVGAnimatedLength;
    /**
     * The **`setOrientToAngle()`** method of the SVGMarkerElement interface sets the value of the orient attribute to the value in the SVGAngle passed in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/setOrientToAngle)
     */
    setOrientToAngle(angle: SVGAngle): void;
    /**
     * The **`setOrientToAuto()`** method of the SVGMarkerElement interface sets the value of the orient attribute to auto.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMarkerElement/setOrientToAuto)
     */
    setOrientToAuto(): void;
    readonly SVG_MARKERUNITS_UNKNOWN: 0;
    readonly SVG_MARKERUNITS_USERSPACEONUSE: 1;
    readonly SVG_MARKERUNITS_STROKEWIDTH: 2;
    readonly SVG_MARKER_ORIENT_UNKNOWN: 0;
    readonly SVG_MARKER_ORIENT_AUTO: 1;
    readonly SVG_MARKER_ORIENT_ANGLE: 2;
    readonly SVG_MARKER_ORIENT_AUTO_START_REVERSE: 3;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMarkerElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMarkerElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGMarkerElement: {
    prototype: SVGMarkerElement;
    new(): SVGMarkerElement;
    readonly SVG_MARKERUNITS_UNKNOWN: 0;
    readonly SVG_MARKERUNITS_USERSPACEONUSE: 1;
    readonly SVG_MARKERUNITS_STROKEWIDTH: 2;
    readonly SVG_MARKER_ORIENT_UNKNOWN: 0;
    readonly SVG_MARKER_ORIENT_AUTO: 1;
    readonly SVG_MARKER_ORIENT_ANGLE: 2;
    readonly SVG_MARKER_ORIENT_AUTO_START_REVERSE: 3;
};

/**
 * The **`SVGMaskElement`** interface provides access to the properties of <mask> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement)
 */
interface SVGMaskElement extends SVGElement {
    /**
     * The read-only **`height`** property of the SVGMaskElement interface returns an SVGAnimatedLength object containing the value of the height attribute of the <mask>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The read-only **`maskContentUnits`** property of the SVGMaskElement interface reflects the maskContentUnits attribute. It indicates which coordinate system to use for the contents of the <mask> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/maskContentUnits)
     */
    readonly maskContentUnits: SVGAnimatedEnumeration;
    /**
     * The read-only **`maskUnits`** property of the SVGMaskElement interface reflects the maskUnits attribute of a <mask> element which defines the coordinate system to use for the mask of the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/maskUnits)
     */
    readonly maskUnits: SVGAnimatedEnumeration;
    /**
     * The read-only **`width`** property of the SVGMaskElement interface returns an SVGAnimatedLength object containing the value of the width attribute of the <mask>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The read-only **`x`** property of the SVGMaskElement interface returns an SVGAnimatedLength object containing the value of the x attribute of the <mask>. It represents the x-axis coordinate of the top-left corner of the masking area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The read-onl**`y`** y property of the SVGMaskElement interface returns an SVGAnimatedLength object containing the value of the y attribute of the <mask>. It represents the y-axis coordinate of the top-left corner of the masking area.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMaskElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMaskElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMaskElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGMaskElement: {
    prototype: SVGMaskElement;
    new(): SVGMaskElement;
};

/**
 * The **`SVGMetadataElement`** interface corresponds to the <metadata> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGMetadataElement)
 */
interface SVGMetadataElement extends SVGElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMetadataElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGMetadataElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGMetadataElement: {
    prototype: SVGMetadataElement;
    new(): SVGMetadataElement;
};

/**
 * The **`SVGNumber`** interface corresponds to the <number> basic data type.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumber)
 */
interface SVGNumber {
    /**
     * The **`value`** read-only property of the SVGNumber interface represents the number.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumber/value)
     */
    value: number;
}

declare var SVGNumber: {
    prototype: SVGNumber;
    new(): SVGNumber;
};

/**
 * The **`SVGNumberList`** interface defines a list of numbers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList)
 */
interface SVGNumberList {
    /**
     * The **`length`** property of the SVGNumberList interface returns the number of items in the list. It is an alias of numberOfItems to make SVG lists more array-like.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/length)
     */
    readonly length: number;
    /**
     * The **`numberOfItems`** property of the SVGNumberList interface returns the number of items in the list. length is an alias of it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/numberOfItems)
     */
    readonly numberOfItems: number;
    /**
     * The **`appendItem()`** method of the SVGNumberList interface inserts a new item at the end of the list. If the given item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/appendItem)
     */
    appendItem(newItem: SVGNumber): SVGNumber;
    /**
     * The **`clear()`** method of the SVGNumberList interface clears all existing items from the list, with the result being an empty list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/clear)
     */
    clear(): void;
    /**
     * The **`getItem()`** method of the SVGNumberList interface returns the specified item from the list. The returned item is the item itself and not a copy. Any changes made to the item are immediately reflected in the list. The first item is indexed 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/getItem)
     */
    getItem(index: number): SVGNumber;
    /**
     * The **`initialize()`** method of the SVGNumberList interface clears all existing items from the list and re-initializes the list to hold the single item specified by the parameter. If the inserted item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy. The return value is the item inserted into the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/initialize)
     */
    initialize(newItem: SVGNumber): SVGNumber;
    /**
     * The **`insertItemBefore()`** method of the SVGNumberList interface inserts a new item into the list at the specified position. The first item is indexed 0. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/insertItemBefore)
     */
    insertItemBefore(newItem: SVGNumber, index: number): SVGNumber;
    /**
     * The **`removeItem()`** method of the SVGNumberList interface removes an existing item at the given index from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/removeItem)
     */
    removeItem(index: number): SVGNumber;
    /**
     * The **`replaceItem()`** method of the SVGNumberList interface replaces an existing item in the list with a new item. If the new item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy. If the item is already in this list, note that the index of the item to replace is before the removal of the item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGNumberList/replaceItem)
     */
    replaceItem(newItem: SVGNumber, index: number): SVGNumber;
    [index: number]: SVGNumber;
}

declare var SVGNumberList: {
    prototype: SVGNumberList;
    new(): SVGNumberList;
};

/**
 * The **`SVGPathElement`** interface corresponds to the <path> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPathElement)
 */
interface SVGPathElement extends SVGGeometryElement {
    /**
     * The **`pathLength`** read-only property of the SVGPathElement interface reflects the pathLength attribute of the given <path> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPathElement/pathLength)
     */
    readonly pathLength: SVGAnimatedNumber;
    /**
     * The **`getPointAtLength()`** method of the SVGPathElement interface returns the point at a given distance along the path.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPathElement/getPointAtLength)
     */
    getPointAtLength(distance: number): DOMPoint;
    /**
     * The **`getTotalLength()`** method of the SVGPathElement interface returns the user agent's computed value for the total length of the path in user units.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPathElement/getTotalLength)
     */
    getTotalLength(): number;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGPathElement: {
    prototype: SVGPathElement;
    new(): SVGPathElement;
};

/**
 * The **`SVGPatternElement`** interface corresponds to the <pattern> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement)
 */
interface SVGPatternElement extends SVGElement, SVGFitToViewBox, SVGURIReference {
    /**
     * The **`height`** read-only property of the SVGPatternElement interface describes the height of the pattern as an SVGAnimatedLength. It reflects the computed value of the height attribute on the <pattern> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`patternContentUnits`** read-only property of the SVGPatternElement interface reflects the patternContentUnits attribute of the given <pattern> element. It specifies the coordinate system for the pattern content and takes one of the constants defined in SVGUnitTypes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/patternContentUnits)
     */
    readonly patternContentUnits: SVGAnimatedEnumeration;
    /**
     * The **`patternTransform`** read-only property of the SVGPatternElement interface reflects the patternTransform attribute of the given <pattern> element. This property holds the transformation applied to the pattern itself, allowing for operations like translate, rotate, scale, and skew.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/patternTransform)
     */
    readonly patternTransform: SVGAnimatedTransformList;
    /**
     * The **`patternUnits`** read-only property of the SVGPatternElement interface reflects the patternUnits attribute of the given <pattern> element. It specifies the coordinate system for the pattern content and takes one of the constants defined in SVGUnitTypes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/patternUnits)
     */
    readonly patternUnits: SVGAnimatedEnumeration;
    /**
     * The **`width`** read-only property of the SVGPatternElement interface describes the width of the pattern as an SVGAnimatedLength. It reflects the computed value of the width attribute on the <pattern> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGPatternElement interface describes the x-axis coordinate of the start point of the pattern as an SVGAnimatedLength. It reflects the computed value of the x attribute on the <pattern> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGPatternElement interface describes the y-axis coordinate of the start point of the pattern as an SVGAnimatedLength. It reflects the computed value of the y attribute on the <pattern> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPatternElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPatternElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPatternElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGPatternElement: {
    prototype: SVGPatternElement;
    new(): SVGPatternElement;
};

/**
 * The **`SVGPointList`** interface represents a list of DOMPoint objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList)
 */
interface SVGPointList {
    /**
     * The **`length`** read-only property of the SVGPointList interface returns the number of items in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/length)
     */
    readonly length: number;
    /**
     * The **`numberOfItems`** read-only property of the SVGPointList interface returns the number of items in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/numberOfItems)
     */
    readonly numberOfItems: number;
    /**
     * The **`appendItem()`** method of the SVGPointList interface adds a DOMPoint to the end of the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/appendItem)
     */
    appendItem(newItem: DOMPoint): DOMPoint;
    /**
     * The **`clear()`** method of the SVGPointList interface removes all items from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/clear)
     */
    clear(): void;
    /**
     * The **`getItem()`** method of the SVGPointList interface gets one item from the list at the specified index.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/getItem)
     */
    getItem(index: number): DOMPoint;
    /**
     * The **`initialize()`** method of the SVGPointList interface clears the list then adds a single new DOMPoint object to the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/initialize)
     */
    initialize(newItem: DOMPoint): DOMPoint;
    /**
     * The **`insertItemBefore()`** method of the SVGPointList interface inserts a DOMPoint before another item in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/insertItemBefore)
     */
    insertItemBefore(newItem: DOMPoint, index: number): DOMPoint;
    /**
     * The **`removeItem()`** method of the SVGPointList interface removes a DOMPoint from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/removeItem)
     */
    removeItem(index: number): DOMPoint;
    /**
     * The **`replaceItem()`** method of the SVGPointList interface replaces a DOMPoint in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPointList/replaceItem)
     */
    replaceItem(newItem: DOMPoint, index: number): DOMPoint;
    [index: number]: DOMPoint;
}

declare var SVGPointList: {
    prototype: SVGPointList;
    new(): SVGPointList;
};

/**
 * The **`SVGPolygonElement`** interface provides access to the properties of <polygon> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPolygonElement)
 */
interface SVGPolygonElement extends SVGGeometryElement, SVGAnimatedPoints {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPolygonElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPolygonElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGPolygonElement: {
    prototype: SVGPolygonElement;
    new(): SVGPolygonElement;
};

/**
 * The **`SVGPolylineElement`** interface provides access to the properties of <polyline> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPolylineElement)
 */
interface SVGPolylineElement extends SVGGeometryElement, SVGAnimatedPoints {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPolylineElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGPolylineElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGPolylineElement: {
    prototype: SVGPolylineElement;
    new(): SVGPolylineElement;
};

/**
 * The **`SVGPreserveAspectRatio`** interface corresponds to the preserveAspectRatio attribute.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPreserveAspectRatio)
 */
interface SVGPreserveAspectRatio {
    /**
     * The **`align`** read-only property of the SVGPreserveAspectRatio interface reflects the type of the alignment value as specified by one of the SVG_PRESERVEASPECTRATIO_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPreserveAspectRatio/align)
     */
    align: number;
    /**
     * The **`meetOrSlice`** read-only property of the SVGPreserveAspectRatio interface reflects the type of the meet-or-slice value as specified by one of the SVG_MEETORSLICE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGPreserveAspectRatio/meetOrSlice)
     */
    meetOrSlice: number;
    readonly SVG_PRESERVEASPECTRATIO_UNKNOWN: 0;
    readonly SVG_PRESERVEASPECTRATIO_NONE: 1;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMIN: 2;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMIN: 3;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMIN: 4;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMID: 5;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMID: 6;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMID: 7;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMAX: 8;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMAX: 9;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMAX: 10;
    readonly SVG_MEETORSLICE_UNKNOWN: 0;
    readonly SVG_MEETORSLICE_MEET: 1;
    readonly SVG_MEETORSLICE_SLICE: 2;
}

declare var SVGPreserveAspectRatio: {
    prototype: SVGPreserveAspectRatio;
    new(): SVGPreserveAspectRatio;
    readonly SVG_PRESERVEASPECTRATIO_UNKNOWN: 0;
    readonly SVG_PRESERVEASPECTRATIO_NONE: 1;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMIN: 2;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMIN: 3;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMIN: 4;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMID: 5;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMID: 6;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMID: 7;
    readonly SVG_PRESERVEASPECTRATIO_XMINYMAX: 8;
    readonly SVG_PRESERVEASPECTRATIO_XMIDYMAX: 9;
    readonly SVG_PRESERVEASPECTRATIO_XMAXYMAX: 10;
    readonly SVG_MEETORSLICE_UNKNOWN: 0;
    readonly SVG_MEETORSLICE_MEET: 1;
    readonly SVG_MEETORSLICE_SLICE: 2;
};

/**
 * The **`SVGRadialGradientElement`** interface corresponds to the <RadialGradient> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement)
 */
interface SVGRadialGradientElement extends SVGGradientElement {
    /**
     * The **`cx`** read-only property of the SVGRadialGradientElement interface describes the x-axis coordinate of the center of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the cx attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/cx)
     */
    readonly cx: SVGAnimatedLength;
    /**
     * The **`cy`** read-only property of the SVGRadialGradientElement interface describes the y-axis coordinate of the center of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the cy attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/cy)
     */
    readonly cy: SVGAnimatedLength;
    /**
     * The **`fr`** read-only property of the SVGRadialGradientElement interface describes the radius of the focal circle of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the fr attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/fr)
     */
    readonly fr: SVGAnimatedLength;
    /**
     * The **`fx`** read-only property of the SVGRadialGradientElement interface describes the x-axis coordinate of the focal point of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the fx attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/fx)
     */
    readonly fx: SVGAnimatedLength;
    /**
     * The **`fy`** read-only property of the SVGRadialGradientElement interface describes the y-axis coordinate of the focal point of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the fy attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/fy)
     */
    readonly fy: SVGAnimatedLength;
    /**
     * The **`r`** read-only property of the SVGRadialGradientElement interface describes the radius of the radial gradient as an SVGAnimatedLength. It reflects the computed value of the r attribute on the <radialGradient> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRadialGradientElement/r)
     */
    readonly r: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGRadialGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGRadialGradientElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGRadialGradientElement: {
    prototype: SVGRadialGradientElement;
    new(): SVGRadialGradientElement;
};

/**
 * The **`SVGRectElement`** interface provides access to the properties of <rect> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement)
 */
interface SVGRectElement extends SVGGeometryElement {
    /**
     * The **`height`** read-only property of the SVGRectElement interface describes the vertical size of an SVG rectangle as a SVGAnimatedLength. The length is in user coordinate system units along the y-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`rx`** read-only property of the SVGRectElement interface describes the horizontal curve of the corners of an SVG rectangle as a SVGAnimatedLength. The length is in user coordinate system units along the x-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/rx)
     */
    readonly rx: SVGAnimatedLength;
    /**
     * The **`ry`** read-only property of the SVGRectElement interface describes the vertical curve of the corners of an SVG rectangle as a SVGAnimatedLength. The length is in user coordinate system units along the y-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/ry)
     */
    readonly ry: SVGAnimatedLength;
    /**
     * The **`width`** read-only property of the SVGRectElement interface describes the horizontal size of an SVG rectangle as a SVGAnimatedLength. The length is in user coordinate system units along the x-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGRectElement interface describes the horizontal coordinate of the position of an SVG rectangle as a SVGAnimatedLength. The <coordinate> is a length in the user coordinate system that is the given distance from the origin of the user coordinate system along the x-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGRectElement interface describes the vertical coordinate of the position of an SVG rectangle as a SVGAnimatedLength. The <coordinate> is a length in the user coordinate system that is the given distance from the origin of the user coordinate system along the y-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGRectElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGRectElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGRectElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGRectElement: {
    prototype: SVGRectElement;
    new(): SVGRectElement;
};

interface SVGSVGElementEventMap extends SVGElementEventMap, WindowEventHandlersEventMap {
}

/**
 * The **`SVGSVGElement`** interface provides access to the properties of <svg> elements, as well as methods to manipulate them. This interface contains also various miscellaneous commonly-used utility methods, such as matrix operations and the ability to control the time of redraw on visual rendering devices.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement)
 */
interface SVGSVGElement extends SVGGraphicsElement, SVGFitToViewBox, WindowEventHandlers {
    /**
     * The **`currentScale`** property of the SVGSVGElement interface reflects the current scale factor relative to the initial view to take into account user magnification and panning operations on the outermost <svg> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/currentScale)
     */
    currentScale: number;
    /**
     * The **`currentTranslate`** read-only property of the SVGSVGElement interface reflects the translation factor that takes into account user "magnification" corresponding to an outermost <svg> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/currentTranslate)
     */
    readonly currentTranslate: DOMPointReadOnly;
    /**
     * The **`height`** read-only property of the SVGSVGElement interface describes the vertical size of element as an SVGAnimatedLength. It reflects the <svg> element's height attribute, which may not be the SVG's rendered height.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`width`** read-only property of the SVGSVGElement interface describes the horizontal size of element as an SVGAnimatedLength. It reflects the <svg> element's width attribute, which may not be the SVG's rendered width.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGSVGElement interface describes the horizontal coordinate of the position of that SVG as an SVGAnimatedLength. When an <svg> is nested within another <svg>, the horizontal coordinate is a length in the user coordinate system that is the given distance from the origin of the user coordinate system along the x-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGSVGElement interface describes the vertical coordinate of the position of that SVG as an SVGAnimatedLength. When an <svg> is nested within another <svg>, the vertical coordinate is a length in the user coordinate system that is the given distance from the origin of the user coordinate system along the y-axis. Its syntax is the same as that for <length>.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/y)
     */
    readonly y: SVGAnimatedLength;
    /**
     * The **`animationsPaused()`** method of the SVGSVGElement interface checks whether the animations in the SVG document fragment are currently paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/animationsPaused)
     */
    animationsPaused(): boolean;
    /**
     * The **`checkEnclosure()`** method of the SVGSVGElement interface checks if the rendered content of the given element is entirely contained within the supplied rectangle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/checkEnclosure)
     */
    checkEnclosure(element: SVGElement, rect: DOMRectReadOnly): boolean;
    /**
     * The **`checkIntersection()`** method of the SVGSVGElement interface checks if the rendered content of the given element intersects the supplied rectangle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/checkIntersection)
     */
    checkIntersection(element: SVGElement, rect: DOMRectReadOnly): boolean;
    /**
     * The **`createSVGAngle()`** method of the SVGSVGElement interface creates an SVGAngle object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGAngle)
     */
    createSVGAngle(): SVGAngle;
    /**
     * The **`createSVGLength()`** method of the SVGSVGElement interface creates an SVGLength object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGLength)
     */
    createSVGLength(): SVGLength;
    /**
     * The **`createSVGMatrix()`** method of the SVGSVGElement interface creates a DOMMatrix object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGMatrix)
     */
    createSVGMatrix(): DOMMatrix;
    /**
     * The **`createSVGNumber()`** method of the SVGSVGElement interface creates an SVGNumber object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGNumber)
     */
    createSVGNumber(): SVGNumber;
    /**
     * The **`createSVGPoint()`** method of the SVGSVGElement interface creates a DOMPoint object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGPoint)
     */
    createSVGPoint(): DOMPoint;
    /**
     * The **`createSVGRect()`** method of the SVGSVGElement interface creates a DOMRect object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGRect)
     */
    createSVGRect(): DOMRect;
    /**
     * The **`createSVGTransform()`** method of the SVGSVGElement interface creates an SVGTransform object outside of any document trees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGTransform)
     */
    createSVGTransform(): SVGTransform;
    /**
     * The **`createSVGTransformFromMatrix()`** method of the SVGSVGElement interface creates an SVGTransform object outside of any document trees, based on the given DOMMatrix object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/createSVGTransformFromMatrix)
     */
    createSVGTransformFromMatrix(matrix?: DOMMatrix2DInit): SVGTransform;
    /**
     * The **`deselectAll()`** method of the SVGSVGElement interface unselects any selected objects, including any selections of text strings and type-in bars.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/deselectAll)
     */
    deselectAll(): void;
    /** @deprecated */
    forceRedraw(): void;
    /**
     * The **`getCurrentTime()`** method of the SVGSVGElement interface returns the current time in seconds relative to the start time for the current SVG document fragment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/getCurrentTime)
     */
    getCurrentTime(): number;
    /**
     * The **`getElementById()`** method of the SVGSVGElement interface searches the SVG document fragment (i.e., the search is restricted to a subset of the document tree) for an Element whose id property matches the specified string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/getElementById)
     */
    getElementById(elementId: string): Element | null;
    getEnclosureList(rect: DOMRectReadOnly, referenceElement: SVGElement | null): NodeListOf<SVGCircleElement | SVGEllipseElement | SVGImageElement | SVGLineElement | SVGPathElement | SVGPolygonElement | SVGPolylineElement | SVGRectElement | SVGTextElement | SVGUseElement>;
    getIntersectionList(rect: DOMRectReadOnly, referenceElement: SVGElement | null): NodeListOf<SVGCircleElement | SVGEllipseElement | SVGImageElement | SVGLineElement | SVGPathElement | SVGPolygonElement | SVGPolylineElement | SVGRectElement | SVGTextElement | SVGUseElement>;
    /**
     * The **`pauseAnimations()`** method of the SVGSVGElement interface suspends (i.e., pauses) all currently running animations that are defined within the SVG document fragment corresponding to this <svg> element, causing the animation clock corresponding to this document fragment to stand still until it is unpaused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/pauseAnimations)
     */
    pauseAnimations(): void;
    /**
     * The **`setCurrentTime()`** method of the SVGSVGElement interface adjusts the clock for this SVG document fragment, establishing a new current time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/setCurrentTime)
     */
    setCurrentTime(seconds: number): void;
    /** @deprecated */
    suspendRedraw(maxWaitMilliseconds: number): number;
    /**
     * The **`unpauseAnimations()`** method of the SVGSVGElement interface resumes (i.e., unpauses) currently running animations that are defined within the SVG document fragment, causing the animation clock to continue from the time at which it was suspended.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSVGElement/unpauseAnimations)
     */
    unpauseAnimations(): void;
    /** @deprecated */
    unsuspendRedraw(suspendHandleID: number): void;
    /** @deprecated */
    unsuspendRedrawAll(): void;
    addEventListener<K extends keyof SVGSVGElementEventMap>(type: K, listener: (this: SVGSVGElement, ev: SVGSVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGSVGElementEventMap>(type: K, listener: (this: SVGSVGElement, ev: SVGSVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGSVGElement: {
    prototype: SVGSVGElement;
    new(): SVGSVGElement;
};

/**
 * The **`SVGScriptElement`** interface corresponds to the SVG <script> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGScriptElement)
 */
interface SVGScriptElement extends SVGElement, SVGURIReference {
    /**
     * The **`type`** read-only property of the SVGScriptElement interface reflects the type attribute of the given <script> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGScriptElement/type)
     */
    type: string;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGScriptElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGScriptElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGScriptElement: {
    prototype: SVGScriptElement;
    new(): SVGScriptElement;
};

/**
 * The **`SVGSetElement`** interface corresponds to the <set> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSetElement)
 */
interface SVGSetElement extends SVGAnimationElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSetElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSetElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGSetElement: {
    prototype: SVGSetElement;
    new(): SVGSetElement;
};

/**
 * The **`SVGStopElement`** interface corresponds to the <stop> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStopElement)
 */
interface SVGStopElement extends SVGElement {
    /**
     * The **`offset`** read-only property of the SVGStopElement interface reflects the offset attribute of the given <stop> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStopElement/offset)
     */
    readonly offset: SVGAnimatedNumber;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGStopElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGStopElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGStopElement: {
    prototype: SVGStopElement;
    new(): SVGStopElement;
};

/**
 * The **`SVGStringList`** interface defines a list of strings.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList)
 */
interface SVGStringList {
    /**
     * The **`length`** property of the SVGStringList interface returns the number of items in the list. It is an alias of numberOfItems to make SVG lists more array-like.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/length)
     */
    readonly length: number;
    /**
     * The **`numberOfItems`** property of the SVGStringList interface returns the number of items in the list. length is an alias of it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/numberOfItems)
     */
    readonly numberOfItems: number;
    /**
     * The **`appendItem()`** method of the SVGStringList interface inserts a new item at the end of the list. If the given item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/appendItem)
     */
    appendItem(newItem: string): string;
    /**
     * The **`clear()`** method of the SVGStringList interface clears all existing items from the list, with the result being an empty list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/clear)
     */
    clear(): void;
    /**
     * The **`getItem()`** method of the SVGStringList interface returns the specified item from the list. The returned item is the item itself and not a copy. Any changes made to the item are immediately reflected in the list. The first item is indexed 0.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/getItem)
     */
    getItem(index: number): string;
    /**
     * The **`initialize()`** method of the SVGStringList interface clears all existing items from the list and re-initializes the list to hold the single item specified by the parameter. If the inserted item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy. The return value is the item inserted into the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/initialize)
     */
    initialize(newItem: string): string;
    /**
     * The **`insertItemBefore()`** method of the SVGStringList interface inserts a new item into the list at the specified position. The first item is indexed 0. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/insertItemBefore)
     */
    insertItemBefore(newItem: string, index: number): string;
    /**
     * The **`removeItem()`** method of the SVGStringList interface removes an existing item at the given index from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/removeItem)
     */
    removeItem(index: number): string;
    /**
     * The **`replaceItem()`** method of the SVGStringList interface replaces an existing item in the list with a new item. The inserted item is the item itself and not a copy.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStringList/replaceItem)
     */
    replaceItem(newItem: string, index: number): string;
    [index: number]: string;
}

declare var SVGStringList: {
    prototype: SVGStringList;
    new(): SVGStringList;
};

/**
 * The **`SVGStyleElement`** interface corresponds to the SVG <style> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStyleElement)
 */
interface SVGStyleElement extends SVGElement, LinkStyle {
    /**
     * The **`SVGStyleElement.disabled`** property can be used to get and set whether the stylesheet is disabled (true) or not (false).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStyleElement/disabled)
     */
    disabled: boolean;
    /**
     * The **`SVGStyleElement.media`** property is a media query string corresponding to the media attribute of the given SVG style element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStyleElement/media)
     */
    media: string;
    /**
     * The **`SVGStyleElement.title`** property is a string corresponding to the title attribute of the given SVG style element. It may be used to select between alternate style sheets.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStyleElement/title)
     */
    title: string;
    /**
     * The **`SVGStyleElement.type`** property returns the type of the current style. The value reflects the associated SVG <style> element's type attribute.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGStyleElement/type)
     */
    type: string;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGStyleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGStyleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGStyleElement: {
    prototype: SVGStyleElement;
    new(): SVGStyleElement;
};

/**
 * The **`SVGSwitchElement`** interface corresponds to the <switch> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSwitchElement)
 */
interface SVGSwitchElement extends SVGGraphicsElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSwitchElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSwitchElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGSwitchElement: {
    prototype: SVGSwitchElement;
    new(): SVGSwitchElement;
};

/**
 * The **`SVGSymbolElement`** interface corresponds to the <symbol> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGSymbolElement)
 */
interface SVGSymbolElement extends SVGElement, SVGFitToViewBox {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSymbolElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGSymbolElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGSymbolElement: {
    prototype: SVGSymbolElement;
    new(): SVGSymbolElement;
};

/**
 * The **`SVGTSpanElement`** interface represents a <tspan> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTSpanElement)
 */
interface SVGTSpanElement extends SVGTextPositioningElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTSpanElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTSpanElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTSpanElement: {
    prototype: SVGTSpanElement;
    new(): SVGTSpanElement;
};

interface SVGTests {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/requiredExtensions) */
    readonly requiredExtensions: SVGStringList;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAnimationElement/systemLanguage) */
    readonly systemLanguage: SVGStringList;
}

/**
 * The **`SVGTextContentElement`** interface is implemented by elements that support rendering child text content. It is inherited by various text-related interfaces, such as SVGTextElement, SVGTSpanElement, and SVGTextPathElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement)
 */
interface SVGTextContentElement extends SVGGraphicsElement {
    /**
     * The **`lengthAdjust`** read-only property of the SVGTextContentElement interface reflects the lengthAdjust attribute of the given element. It takes one of the LENGTHADJUST_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/lengthAdjust)
     */
    readonly lengthAdjust: SVGAnimatedEnumeration;
    /**
     * The **`textLength`** read-only property of the SVGTextContentElement interface reflects the textLength attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/textLength)
     */
    readonly textLength: SVGAnimatedLength;
    /**
     * The **`getCharNumAtPosition()`** method of the SVGTextContentElement interface represents the character which caused a text glyph to be rendered at a given position in the coordinate system. Because the relationship between characters and glyphs is not one-to-one, only the first character of the relevant typographic character is returned.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getCharNumAtPosition)
     */
    getCharNumAtPosition(point?: DOMPointInit): number;
    /**
     * The **`getComputedTextLength()`** method of the SVGTextContentElement interface represents the computed length for the text within the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getComputedTextLength)
     */
    getComputedTextLength(): number;
    /**
     * The **`getEndPositionOfChar()`** method of the SVGTextContentElement interface returns the trailing position of a typographic character after text layout has been performed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getEndPositionOfChar)
     */
    getEndPositionOfChar(charnum: number): DOMPoint;
    /**
     * The **`getExtentOfChar()`** method of the SVGTextContentElement interface the represents computed tight bounding box of the glyph cell that corresponds to a given typographic character.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getExtentOfChar)
     */
    getExtentOfChar(charnum: number): DOMRect;
    /**
     * The **`getNumberOfChars()`** method of the SVGTextContentElement interface represents the total number of addressable characters available for rendering within the current element, regardless of whether they will be rendered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getNumberOfChars)
     */
    getNumberOfChars(): number;
    /**
     * The **`getRotationOfChar()`** method of the SVGTextContentElement interface the represents the rotation of a typographic character.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getRotationOfChar)
     */
    getRotationOfChar(charnum: number): number;
    /**
     * The **`getStartPositionOfChar()`** method of the SVGTextContentElement interface returns the position of a typographic character after text layout has been performed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getStartPositionOfChar)
     */
    getStartPositionOfChar(charnum: number): DOMPoint;
    /**
     * The **`getSubStringLength()`** method of the SVGTextContentElement interface represents the computed length of the formatted text advance distance for a substring of text within the element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextContentElement/getSubStringLength)
     */
    getSubStringLength(charnum: number, nchars: number): number;
    /** @deprecated */
    selectSubString(charnum: number, nchars: number): void;
    readonly LENGTHADJUST_UNKNOWN: 0;
    readonly LENGTHADJUST_SPACING: 1;
    readonly LENGTHADJUST_SPACINGANDGLYPHS: 2;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextContentElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextContentElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTextContentElement: {
    prototype: SVGTextContentElement;
    new(): SVGTextContentElement;
    readonly LENGTHADJUST_UNKNOWN: 0;
    readonly LENGTHADJUST_SPACING: 1;
    readonly LENGTHADJUST_SPACINGANDGLYPHS: 2;
};

/**
 * The **`SVGTextElement`** interface corresponds to the <text> elements.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextElement)
 */
interface SVGTextElement extends SVGTextPositioningElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTextElement: {
    prototype: SVGTextElement;
    new(): SVGTextElement;
};

/**
 * The **`SVGTextPathElement`** interface corresponds to the <textPath> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPathElement)
 */
interface SVGTextPathElement extends SVGTextContentElement, SVGURIReference {
    /**
     * The **`method`** read-only property of the SVGTextPathElement interface reflects the method attribute of the given <textPath> element. It takes one of the TEXTPATH_METHODTYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPathElement/method)
     */
    readonly method: SVGAnimatedEnumeration;
    /**
     * The **`spacing`** read-only property of the SVGTextPathElement interface reflects the spacing attribute of the given <textPath> element. It takes one of the TEXTPATH_SPACINGTYPE_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPathElement/spacing)
     */
    readonly spacing: SVGAnimatedEnumeration;
    /**
     * The **`startOffset`** read-only property of the SVGTextPathElement interface reflects the X component of the startOffset attribute of the given <textPath>, which defines an offset from the start of the path for the initial current text position along the path after converting the path to the <textPath> element's coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPathElement/startOffset)
     */
    readonly startOffset: SVGAnimatedLength;
    readonly TEXTPATH_METHODTYPE_UNKNOWN: 0;
    readonly TEXTPATH_METHODTYPE_ALIGN: 1;
    readonly TEXTPATH_METHODTYPE_STRETCH: 2;
    readonly TEXTPATH_SPACINGTYPE_UNKNOWN: 0;
    readonly TEXTPATH_SPACINGTYPE_AUTO: 1;
    readonly TEXTPATH_SPACINGTYPE_EXACT: 2;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextPathElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTextPathElement: {
    prototype: SVGTextPathElement;
    new(): SVGTextPathElement;
    readonly TEXTPATH_METHODTYPE_UNKNOWN: 0;
    readonly TEXTPATH_METHODTYPE_ALIGN: 1;
    readonly TEXTPATH_METHODTYPE_STRETCH: 2;
    readonly TEXTPATH_SPACINGTYPE_UNKNOWN: 0;
    readonly TEXTPATH_SPACINGTYPE_AUTO: 1;
    readonly TEXTPATH_SPACINGTYPE_EXACT: 2;
};

/**
 * The **`SVGTextPositioningElement`** interface is implemented by elements that support attributes that position individual text glyphs. It is inherited by SVGTextElement and SVGTSpanElement.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement)
 */
interface SVGTextPositioningElement extends SVGTextContentElement {
    /**
     * The **`dx`** read-only property of the SVGTextPositioningElement interface describes the x-axis coordinate of the SVGTextElement or SVGTSpanElement as an SVGAnimatedLengthList. It reflects the dx attribute's horizontal displacement of the individual text glyphs in the user coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement/dx)
     */
    readonly dx: SVGAnimatedLengthList;
    /**
     * The **`dy`** read-only property of the SVGTextPositioningElement interface describes the y-axis coordinate of the SVGTextElement or SVGTSpanElement as an SVGAnimatedLengthList. It reflects the dy attribute's vertical displacement of the individual text glyphs in the user coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement/dy)
     */
    readonly dy: SVGAnimatedLengthList;
    /**
     * The **`rotate`** read-only property of the SVGTextPositioningElement interface reflects the rotation of individual text glyphs, as specified by the rotate attribute of the given element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement/rotate)
     */
    readonly rotate: SVGAnimatedNumberList;
    /**
     * The **`x`** read-only property of the SVGTextPositioningElement interface describes the x-axis coordinate of the SVGTextElement or SVGTSpanElement as an SVGAnimatedLengthList. It reflects the x attribute's horizontal position of the individual text glyphs in the user coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement/x)
     */
    readonly x: SVGAnimatedLengthList;
    /**
     * The **`y`** read-only property of the SVGTextPositioningElement interface describes the y-axis coordinate of the SVGTextElement or SVGTSpanElement as an SVGAnimatedLengthList. It reflects the y attribute's vertical position of the individual text glyphs in the user coordinate system.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTextPositioningElement/y)
     */
    readonly y: SVGAnimatedLengthList;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextPositioningElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTextPositioningElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTextPositioningElement: {
    prototype: SVGTextPositioningElement;
    new(): SVGTextPositioningElement;
};

/**
 * The **`SVGTitleElement`** interface corresponds to the <title> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTitleElement)
 */
interface SVGTitleElement extends SVGElement {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTitleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGTitleElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGTitleElement: {
    prototype: SVGTitleElement;
    new(): SVGTitleElement;
};

/**
 * The **`SVGTransform`** interface reflects one of the component transformations within an SVGTransformList; thus, an SVGTransform object corresponds to a single component (e.g., scale(…) or matrix(…)) within a transform attribute.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform)
 */
interface SVGTransform {
    /**
     * The **`angle`** read-only property of the SVGTransform interface represents the angle of the transformation in degrees.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/angle)
     */
    readonly angle: number;
    /**
     * The **`matrix`** read-only property of the SVGTransform interface represents the transformation matrix that corresponds to the transformation type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/matrix)
     */
    readonly matrix: DOMMatrix;
    /**
     * The **`type`** read-only property of the SVGTransform interface represents the type of transformation applied, specified by one of the SVG_TRANSFORM_* constants defined on this interface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/type)
     */
    readonly type: number;
    /**
     * The **`setMatrix()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_MATRIX, with parameter matrix defining the new transformation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setMatrix)
     */
    setMatrix(matrix?: DOMMatrix2DInit): void;
    /**
     * The **`setRotate()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_ROTATE, with parameter angle defining the rotation angle and parameters cx and cy defining the optional center of rotation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setRotate)
     */
    setRotate(angle: number, cx: number, cy: number): void;
    /**
     * The **`setScale()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_SCALE, with parameters sx and sy defining the scale amounts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setScale)
     */
    setScale(sx: number, sy: number): void;
    /**
     * The **`setSkewX()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_SKEWX, with parameter angle defining the amount of skew along the X-axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setSkewX)
     */
    setSkewX(angle: number): void;
    /**
     * The **`setSkewY()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_SKEWY, with parameter angle defining the amount of skew along the Y-axis.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setSkewY)
     */
    setSkewY(angle: number): void;
    /**
     * The **`setTranslate()`** method of the SVGTransform interface sets the transform type to SVG_TRANSFORM_TRANSLATE, with parameters tx and ty defining the translation amounts.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransform/setTranslate)
     */
    setTranslate(tx: number, ty: number): void;
    readonly SVG_TRANSFORM_UNKNOWN: 0;
    readonly SVG_TRANSFORM_MATRIX: 1;
    readonly SVG_TRANSFORM_TRANSLATE: 2;
    readonly SVG_TRANSFORM_SCALE: 3;
    readonly SVG_TRANSFORM_ROTATE: 4;
    readonly SVG_TRANSFORM_SKEWX: 5;
    readonly SVG_TRANSFORM_SKEWY: 6;
}

declare var SVGTransform: {
    prototype: SVGTransform;
    new(): SVGTransform;
    readonly SVG_TRANSFORM_UNKNOWN: 0;
    readonly SVG_TRANSFORM_MATRIX: 1;
    readonly SVG_TRANSFORM_TRANSLATE: 2;
    readonly SVG_TRANSFORM_SCALE: 3;
    readonly SVG_TRANSFORM_ROTATE: 4;
    readonly SVG_TRANSFORM_SKEWX: 5;
    readonly SVG_TRANSFORM_SKEWY: 6;
};

/**
 * The **`SVGTransformList`** interface defines a list of SVGTransform objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList)
 */
interface SVGTransformList {
    /**
     * The **`length`** read-only property of the SVGTransformList interface represents the number of items in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/length)
     */
    readonly length: number;
    /**
     * The **`numberOfItems`** read-only property of the SVGTransformList interface represents the number of items in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/numberOfItems)
     */
    readonly numberOfItems: number;
    /**
     * The **`appendItem()`** method of the SVGTransformList interface inserts a new item at the end of the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/appendItem)
     */
    appendItem(newItem: SVGTransform): SVGTransform;
    /**
     * The **`clear()`** method of the SVGTransformList interface clears all existing current items from the list, with the result being an empty list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/clear)
     */
    clear(): void;
    /**
     * The **`consolidate()`** method of the SVGTransformList interface consolidates the list of separate SVGTransform objects by multiplying the equivalent transformation matrices together to result in a list consisting of a single SVGTransform object of type SVG_TRANSFORM_MATRIX.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/consolidate)
     */
    consolidate(): SVGTransform | null;
    /**
     * The **`createSVGTransformFromMatrix()`** method of the SVGTransformList interface creates an SVGTransform object which is initialized to a transform of type SVG_TRANSFORM_MATRIX and whose values are the given matrix.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/createSVGTransformFromMatrix)
     */
    createSVGTransformFromMatrix(matrix?: DOMMatrix2DInit): SVGTransform;
    /**
     * The **`getItem()`** method of the SVGTransformList interface returns the specified item from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/getItem)
     */
    getItem(index: number): SVGTransform;
    /**
     * The **`initialize()`** method of the SVGTransformList interface clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/initialize)
     */
    initialize(newItem: SVGTransform): SVGTransform;
    /**
     * The **`insertItemBefore()`** method of the SVGTransformList interface inserts a new item into the list at the specified position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/insertItemBefore)
     */
    insertItemBefore(newItem: SVGTransform, index: number): SVGTransform;
    /**
     * The **`removeItem()`** method of the SVGTransformList interface removes an existing item from the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/removeItem)
     */
    removeItem(index: number): SVGTransform;
    /**
     * The **`replaceItem()`** method of the SVGTransformList interface replaces an existing item in the list with a new item.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGTransformList/replaceItem)
     */
    replaceItem(newItem: SVGTransform, index: number): SVGTransform;
    [index: number]: SVGTransform;
}

declare var SVGTransformList: {
    prototype: SVGTransformList;
    new(): SVGTransformList;
};

interface SVGURIReference {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGAElement/href) */
    readonly href: SVGAnimatedString;
}

/**
 * The **`SVGUnitTypes`** interface defines a commonly used set of constants used for reflecting gradientUnits, patternContentUnits and other similar attributes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUnitTypes)
 */
interface SVGUnitTypes {
    readonly SVG_UNIT_TYPE_UNKNOWN: 0;
    readonly SVG_UNIT_TYPE_USERSPACEONUSE: 1;
    readonly SVG_UNIT_TYPE_OBJECTBOUNDINGBOX: 2;
}

declare var SVGUnitTypes: {
    prototype: SVGUnitTypes;
    new(): SVGUnitTypes;
    readonly SVG_UNIT_TYPE_UNKNOWN: 0;
    readonly SVG_UNIT_TYPE_USERSPACEONUSE: 1;
    readonly SVG_UNIT_TYPE_OBJECTBOUNDINGBOX: 2;
};

/**
 * The **`SVGUseElement`** interface corresponds to the <use> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUseElement)
 */
interface SVGUseElement extends SVGGraphicsElement, SVGURIReference {
    /**
     * The **`height`** read-only property of the SVGUseElement interface describes the height of the referenced element as an SVGAnimatedLength. It reflects the computed value of the height attribute on the <use> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUseElement/height)
     */
    readonly height: SVGAnimatedLength;
    /**
     * The **`width`** read-only property of the SVGUseElement interface describes the width of the referenced element as an SVGAnimatedLength. It reflects the computed value of the width attribute on the <use> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUseElement/width)
     */
    readonly width: SVGAnimatedLength;
    /**
     * The **`x`** read-only property of the SVGUseElement interface describes the x-axis coordinate of the start point of the referenced element as an SVGAnimatedLength. It reflects the computed value of the x attribute on the <use> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUseElement/x)
     */
    readonly x: SVGAnimatedLength;
    /**
     * The **`y`** read-only property of the SVGUseElement interface describes the y-axis coordinate of the start point of the referenced element as an SVGAnimatedLength. It reflects the computed value of the y attribute on the <use> element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGUseElement/y)
     */
    readonly y: SVGAnimatedLength;
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGUseElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGUseElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGUseElement: {
    prototype: SVGUseElement;
    new(): SVGUseElement;
};

/**
 * The **`SVGViewElement`** interface provides access to the properties of <view> elements, as well as methods to manipulate them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SVGViewElement)
 */
interface SVGViewElement extends SVGElement, SVGFitToViewBox {
    addEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGViewElement, ev: SVGElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SVGElementEventMap>(type: K, listener: (this: SVGViewElement, ev: SVGElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SVGViewElement: {
    prototype: SVGViewElement;
    new(): SVGViewElement;
};

/** The **`Sanitizer`** interface of the HTML Sanitizer API defines a configuration object that specifies what elements, attributes and comments are allowed or should be removed when inserting strings of HTML into an Element or ShadowRoot, or when parsing an HTML string into a Document. */
interface Sanitizer {
    /**
     * The **`allowAttribute()`** method of the Sanitizer interface sets an attribute to be allowed on all elements when the sanitizer is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/allowAttribute)
     */
    allowAttribute(attribute: SanitizerAttribute): boolean;
    /**
     * The **`allowElement()`** method of the Sanitizer interface sets that the specified element is allowed in the output when the sanitizer is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/allowElement)
     */
    allowElement(element: SanitizerElementWithAttributes): boolean;
    /**
     * The **`get()`** method of the Sanitizer interface returns a SanitizerConfig dictionary instance that represents the current Sanitizer configuration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/get)
     */
    get(): SanitizerConfig;
    /**
     * The **`removeAttribute()`** method of the Sanitizer interface sets an attribute to be removed from all elements when the sanitizer is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/removeAttribute)
     */
    removeAttribute(attribute: SanitizerAttribute): boolean;
    /**
     * The **`removeElement()`** method of the Sanitizer interface sets the specified element be removed from the output when the sanitizer is used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/removeElement)
     */
    removeElement(element: SanitizerElement): boolean;
    /**
     * The **`removeUnsafe()`** method of the Sanitizer interface configures the sanitizer configuration so that it will remove all elements, attributes, and event handler content attributes that are considered XSS-unsafe by the browser.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/removeUnsafe)
     */
    removeUnsafe(): boolean;
    /**
     * The **`replaceElementWithChildren()`** method of the Sanitizer interface sets an element to be replaced by its child HTML elements when the sanitizer is used. This is primarily used for stripping styles from text.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/replaceElementWithChildren)
     */
    replaceElementWithChildren(element: SanitizerElement): boolean;
    /**
     * The **`setComments()`** method of the Sanitizer interface sets whether comments will be allowed or removed by the sanitizer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/setComments)
     */
    setComments(allow: boolean): boolean;
    /**
     * The **`setDataAttributes()`** method of the Sanitizer interface sets whether all data-* attributes will be allowed by the sanitizer, or if they must be individually specified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Sanitizer/setDataAttributes)
     */
    setDataAttributes(allow: boolean): boolean;
}

declare var Sanitizer: {
    prototype: Sanitizer;
    new(configuration?: SanitizerConfig | SanitizerPresets): Sanitizer;
};

/**
 * The **`Scheduler`** interface of the Prioritized Task Scheduling API provides methods for scheduling prioritized tasks.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Scheduler)
 */
interface Scheduler {
    /**
     * The **`postTask()`** method of the Scheduler interface is used for adding tasks to be scheduled according to their priority.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Scheduler/postTask)
     */
    postTask(callback: SchedulerPostTaskCallback, options?: SchedulerPostTaskOptions): Promise<any>;
    /**
     * The **`yield()`** method of the Scheduler interface is used for yielding to the main thread during a task and continuing execution later, with the continuation scheduled as a prioritized task (see the Prioritized Task Scheduling API for more information). This allows long-running work to be broken up so the browser stays responsive.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Scheduler/yield)
     */
    yield(): Promise<void>;
}

declare var Scheduler: {
    prototype: Scheduler;
    new(): Scheduler;
};

/**
 * The **`Screen`** interface represents a screen, usually the one on which the current window is being rendered, and is obtained using window.screen.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen)
 */
interface Screen {
    /**
     * The read-only Screen interface's **`availHeight`** property returns the height, in CSS pixels, of the space available for Web content on the screen. Since Screen is exposed on the Window interface's window.screen property, you access availHeight using window.screen.availHeight.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/availHeight)
     */
    readonly availHeight: number;
    /**
     * The **`Screen.availWidth`** property returns the amount of horizontal space (in CSS pixels) available to the window.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/availWidth)
     */
    readonly availWidth: number;
    /**
     * The **`Screen.colorDepth`** read-only property returns the color depth of the screen. Per the CSSOM, some implementations return 24 for compatibility reasons. See the browser compatibility section for those that don't.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/colorDepth)
     */
    readonly colorDepth: number;
    /**
     * The **`Screen.height`** read-only property returns the height of the screen in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/height)
     */
    readonly height: number;
    /**
     * The **`orientation`** read-only property of the Screen interface returns the current orientation of the screen.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/orientation)
     */
    readonly orientation: ScreenOrientation;
    /**
     * Returns the bit depth of the screen. Per the CSSOM, some implementations return 24 for compatibility reasons. See the browser compatibility section for those that don't.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/pixelDepth)
     */
    readonly pixelDepth: number;
    /**
     * The **`Screen.width`** read-only property returns the width of the screen in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Screen/width)
     */
    readonly width: number;
}

declare var Screen: {
    prototype: Screen;
    new(): Screen;
};

interface ScreenOrientationEventMap {
    "change": Event;
}

/**
 * The **`ScreenOrientation`** interface of the Screen Orientation API provides information about the current orientation of the document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation)
 */
interface ScreenOrientation extends EventTarget {
    /**
     * The **`angle`** read-only property of the ScreenOrientation interface returns the document's current orientation angle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation/angle)
     */
    readonly angle: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation/change_event) */
    onchange: ((this: ScreenOrientation, ev: Event) => any) | null;
    /**
     * The **`type`** read-only property of the ScreenOrientation interface returns the document's current orientation type, one of portrait-primary, portrait-secondary, landscape-primary, or landscape-secondary.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation/type)
     */
    readonly type: OrientationType;
    /**
     * The **`lock()`** method of the ScreenOrientation interface locks the orientation of the containing document to the specified orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation/lock)
     */
    lock(orientation: OrientationLockType): Promise<void>;
    /**
     * The **`unlock()`** method of the ScreenOrientation interface unlocks the orientation of the containing document, effectively locking it to the default screen orientation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScreenOrientation/unlock)
     */
    unlock(): void;
    addEventListener<K extends keyof ScreenOrientationEventMap>(type: K, listener: (this: ScreenOrientation, ev: ScreenOrientationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ScreenOrientationEventMap>(type: K, listener: (this: ScreenOrientation, ev: ScreenOrientationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ScreenOrientation: {
    prototype: ScreenOrientation;
    new(): ScreenOrientation;
};

interface ScriptProcessorNodeEventMap {
    "audioprocess": AudioProcessingEvent;
}

/**
 * The **`ScriptProcessorNode`** interface allows the generation, processing, or analyzing of audio using JavaScript.
 * @deprecated As of the August 29 2014 Web Audio API spec publication, this feature has been marked as deprecated, and was replaced by AudioWorklet (see AudioWorkletNode).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScriptProcessorNode)
 */
interface ScriptProcessorNode extends AudioNode {
    /**
     * The **`bufferSize`** property of the ScriptProcessorNode interface returns an integer representing both the input and output buffer size, in sample-frames. Its value can be a power of 2 value in the range 256 – 16384.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScriptProcessorNode/bufferSize)
     */
    readonly bufferSize: number;
    /**
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScriptProcessorNode/audioprocess_event)
     */
    onaudioprocess: ((this: ScriptProcessorNode, ev: AudioProcessingEvent) => any) | null;
    addEventListener<K extends keyof ScriptProcessorNodeEventMap>(type: K, listener: (this: ScriptProcessorNode, ev: ScriptProcessorNodeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ScriptProcessorNodeEventMap>(type: K, listener: (this: ScriptProcessorNode, ev: ScriptProcessorNodeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

/** @deprecated */
declare var ScriptProcessorNode: {
    prototype: ScriptProcessorNode;
    new(): ScriptProcessorNode;
};

/**
 * The **`ScrollTimeline`** interface of the Web Animations API represents a scroll progress timeline (see CSS scroll-driven animations for more details).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScrollTimeline)
 */
interface ScrollTimeline extends AnimationTimeline {
    /**
     * The **`axis`** read-only property of the ScrollTimeline interface returns an enumerated value representing the scroll axis that is driving the progress of the timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScrollTimeline/axis)
     */
    readonly axis: ScrollAxis;
    /**
     * The **`source`** read-only property of the ScrollTimeline interface returns a reference to the scrollable element (scroller) whose scroll position is driving the progress of the timeline and therefore the animation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ScrollTimeline/source)
     */
    readonly source: Element | null;
}

declare var ScrollTimeline: {
    prototype: ScrollTimeline;
    new(options?: ScrollTimelineOptions): ScrollTimeline;
};

/**
 * The **`SecurityPolicyViolationEvent`** interface inherits from Event, and represents the event object of a securitypolicyviolation event sent on an Element, Document, or worker when its Content Security Policy (CSP) is violated.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent)
 */
interface SecurityPolicyViolationEvent extends Event {
    /**
     * The **`blockedURI`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the URI of the resource that was blocked because it violates a Content Security Policy (CSP).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/blockedURI)
     */
    readonly blockedURI: string;
    /**
     * The **`columnNumber`** read-only property of the SecurityPolicyViolationEvent interface is the column number in the document or worker script at which the Content Security Policy (CSP) violation occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/columnNumber)
     */
    readonly columnNumber: number;
    /**
     * The **`disposition`** read-only property of the SecurityPolicyViolationEvent interface indicates how the violated Content Security Policy (CSP) is configured to be treated by the user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/disposition)
     */
    readonly disposition: SecurityPolicyViolationEventDisposition;
    /**
     * The **`documentURI`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the URI of the document or worker in which the Content Security Policy (CSP) violation occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/documentURI)
     */
    readonly documentURI: string;
    /**
     * The **`effectiveDirective`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the Content Security Policy (CSP) directive that was violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/effectiveDirective)
     */
    readonly effectiveDirective: string;
    /**
     * The **`lineNumber`** read-only property of the SecurityPolicyViolationEvent interface is the line number in the document or worker script at which the Content Security Policy (CSP) violation occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/lineNumber)
     */
    readonly lineNumber: number;
    /**
     * The **`originalPolicy`** read-only property of the SecurityPolicyViolationEvent interface is a string containing the Content Security Policy (CSP) whose enforcement uncovered the violation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/originalPolicy)
     */
    readonly originalPolicy: string;
    /**
     * The **`referrer`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the referrer for the resources whose Content Security Policy (CSP) was violated. This will be a URL or null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/referrer)
     */
    readonly referrer: string;
    /**
     * The **`sample`** read-only property of the SecurityPolicyViolationEvent interface is a string representing a sample of the resource that caused the Content Security Policy (CSP) violation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/sample)
     */
    readonly sample: string;
    /**
     * The **`sourceFile`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the URL of the script in which the Content Security Policy (CSP) violation occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/sourceFile)
     */
    readonly sourceFile: string;
    /**
     * The **`statusCode`** read-only property of the SecurityPolicyViolationEvent interface is a number representing the HTTP status code of the window or worker in which the Content Security Policy (CSP) violation occurred.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/statusCode)
     */
    readonly statusCode: number;
    /**
     * The **`violatedDirective`** read-only property of the SecurityPolicyViolationEvent interface is a string representing the Content Security Policy (CSP) directive that was violated.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent/violatedDirective)
     */
    readonly violatedDirective: string;
}

declare var SecurityPolicyViolationEvent: {
    prototype: SecurityPolicyViolationEvent;
    new(type: string, eventInitDict?: SecurityPolicyViolationEventInit): SecurityPolicyViolationEvent;
};

/**
 * A **`Selection`** object represents the range of text selected by the user or the current position of the caret. Each document is associated with a unique selection object, which can be retrieved by document.getSelection() or window.getSelection() and then be examined and modified.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection)
 */
interface Selection {
    /**
     * The **`Selection.anchorNode`** read-only property returns the Node in which the selection begins. It can return null if selection never existed in the document (e.g., an iframe that was never clicked on, or the node belongs to another document tree).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/anchorNode)
     */
    readonly anchorNode: Node | null;
    /**
     * The **`Selection.anchorOffset`** read-only property returns the number of characters that the selection's anchor is offset within the Selection.anchorNode if said node is of type Text, CDATASection or Comment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/anchorOffset)
     */
    readonly anchorOffset: number;
    /**
     * The **`direction`** read-only property of the Selection interface is a string that provides the direction of the current selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/direction)
     */
    readonly direction: string;
    /**
     * The **`Selection.focusNode`** read-only property returns the Node in which the selection ends. It can return null if selection never existed in the document (e.g., an iframe that was never clicked on, or the node belongs to another document tree).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/focusNode)
     */
    readonly focusNode: Node | null;
    /**
     * The **`Selection.focusOffset`** read-only property returns the number of characters that the selection's focus is offset within the Selection.focusNode if said node is of type Text, CDATASection or Comment.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/focusOffset)
     */
    readonly focusOffset: number;
    /**
     * The **`Selection.isCollapsed`** read-only property returns a boolean value which indicates whether or not there is currently any text selected. No text is selected when the selection's start and end points are at the same position in the content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/isCollapsed)
     */
    readonly isCollapsed: boolean;
    /**
     * The **`Selection.rangeCount`** read-only property returns the number of ranges in the selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/rangeCount)
     */
    readonly rangeCount: number;
    /**
     * The **`type`** read-only property of the Selection interface returns a string describing the type of the current selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/type)
     */
    readonly type: string;
    /**
     * The **`Selection.addRange()`** method adds a Range to a Selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/addRange)
     */
    addRange(range: Range): void;
    /**
     * The **`Selection.collapse()`** method collapses the current selection to a single point. The document is not modified. If the content is focused and editable, the caret will blink there.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/collapse)
     */
    collapse(node: Node | null, offset?: number): void;
    /**
     * The **`Selection.collapseToEnd()`** method collapses the selection to the end of the last range in the selection. If the content of the selection is focused and editable, the caret will blink there.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/collapseToEnd)
     */
    collapseToEnd(): void;
    /**
     * The **`Selection.collapseToStart()`** method collapses the selection to the start of the first range in the selection. If the content of the selection is focused and editable, the caret will blink there.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/collapseToStart)
     */
    collapseToStart(): void;
    /**
     * The **`Selection.containsNode()`** method indicates whether a specified node is part of the selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/containsNode)
     */
    containsNode(node: Node, allowPartialContainment?: boolean): boolean;
    /**
     * The **`deleteFromDocument()`** method of the Selection interface invokes the Range.deleteContents() method on the selected Range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/deleteFromDocument)
     */
    deleteFromDocument(): void;
    /**
     * The **`Selection.empty()`** method removes all ranges from the selection, leaving the anchorNode and focusNode properties equal to null and nothing selected. When this method is called, a selectionchange event is fired at the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/empty)
     */
    empty(): void;
    /**
     * The **`Selection.extend()`** method moves the focus of the selection to a specified point. The anchor of the selection does not move. The selection will be from the anchor to the new focus, regardless of direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/extend)
     */
    extend(node: Node, offset?: number): void;
    /**
     * The **`Selection.getComposedRanges()`** method returns an array of StaticRange objects representing the current selection ranges, and can return ranges that potentially cross shadow boundaries.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/getComposedRanges)
     */
    getComposedRanges(options?: GetComposedRangesOptions): StaticRange[];
    /**
     * The **`getRangeAt()`** method of the Selection interface returns a range object representing a currently selected range.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/getRangeAt)
     */
    getRangeAt(index: number): Range;
    /**
     * The **`Selection.modify()`** method applies a change to the current selection or cursor position, using simple textual commands.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/modify)
     */
    modify(alter?: string, direction?: string, granularity?: string): void;
    /**
     * The **`Selection.removeAllRanges()`** method removes all ranges from the selection, leaving the anchorNode and focusNode properties equal to null and nothing selected. When this method is called, a selectionchange event is fired at the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/removeAllRanges)
     */
    removeAllRanges(): void;
    /**
     * The **`Selection.removeRange()`** method removes a range from a selection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/removeRange)
     */
    removeRange(range: Range): void;
    /**
     * The **`Selection.selectAllChildren()`** method adds all the children of the specified node to the selection. Previous selection is lost.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/selectAllChildren)
     */
    selectAllChildren(node: Node): void;
    /**
     * The **`setBaseAndExtent()`** method of the Selection interface sets the selection to be a range including all or parts of two specified DOM nodes, and any content located between them.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/setBaseAndExtent)
     */
    setBaseAndExtent(anchorNode: Node, anchorOffset: number, focusNode: Node, focusOffset: number): void;
    /**
     * The **`Selection.setPosition()`** method collapses the current selection to a single point. The document is not modified. If the content is focused and editable, the caret will blink there.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Selection/setPosition)
     */
    setPosition(node: Node | null, offset?: number): void;
    toString(): string;
}

declare var Selection: {
    prototype: Selection;
    new(): Selection;
};

interface ServiceWorkerEventMap extends AbstractWorkerEventMap {
    "statechange": Event;
}

/**
 * The **`ServiceWorker`** interface of the Service Worker API provides a reference to a service worker. Multiple browsing contexts (e.g., pages, workers, etc.) can be associated with the same service worker, each through a unique ServiceWorker object.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker)
 */
interface ServiceWorker extends EventTarget, AbstractWorker {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker/statechange_event) */
    onstatechange: ((this: ServiceWorker, ev: Event) => any) | null;
    /**
     * Returns the ServiceWorker serialized script URL defined as part of ServiceWorkerRegistration. Must be on the same origin as the document that registers the ServiceWorker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker/scriptURL)
     */
    readonly scriptURL: string;
    /**
     * The **`state`** read-only property of the ServiceWorker interface returns a string representing the current state of the service worker. It can be one of the following values: parsed, installing, installed, activating, activated, or redundant.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker/state)
     */
    readonly state: ServiceWorkerState;
    /**
     * The **`postMessage()`** method of the ServiceWorker interface sends a message to the worker. The first parameter is the data to send to the worker. The data may be any JavaScript object which can be handled by the structured clone algorithm.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorker/postMessage)
     */
    postMessage(message: any, transfer: Transferable[]): void;
    postMessage(message: any, options?: StructuredSerializeOptions): void;
    addEventListener<K extends keyof ServiceWorkerEventMap>(type: K, listener: (this: ServiceWorker, ev: ServiceWorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ServiceWorkerEventMap>(type: K, listener: (this: ServiceWorker, ev: ServiceWorkerEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ServiceWorker: {
    prototype: ServiceWorker;
    new(): ServiceWorker;
};

interface ServiceWorkerContainerEventMap {
    "controllerchange": Event;
    "message": MessageEvent;
    "messageerror": MessageEvent;
}

/**
 * The **`ServiceWorkerContainer`** interface of the Service Worker API provides an object representing the service worker as an overall unit in the network ecosystem, including facilities to register, unregister and update service workers, and access the state of service workers and their registrations.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer)
 */
interface ServiceWorkerContainer extends EventTarget {
    /**
     * The **`controller`** read-only property of the ServiceWorkerContainer interface represents the active service worker controlling the current page (associated with this ServiceWorkerContainer), or null if the page has no active or activating service worker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/controller)
     */
    readonly controller: ServiceWorker | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/controllerchange_event) */
    oncontrollerchange: ((this: ServiceWorkerContainer, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/message_event) */
    onmessage: ((this: ServiceWorkerContainer, ev: MessageEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/messageerror_event) */
    onmessageerror: ((this: ServiceWorkerContainer, ev: MessageEvent) => any) | null;
    /**
     * The **`ready`** read-only property of the ServiceWorkerContainer interface provides a way of delaying code execution until a service worker is active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/ready)
     */
    readonly ready: Promise<ServiceWorkerRegistration>;
    /**
     * The **`getRegistration()`** method of the ServiceWorkerContainer interface gets a ServiceWorkerRegistration object whose scope URL matches the provided client URL. The method returns a Promise that resolves to a ServiceWorkerRegistration or undefined.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/getRegistration)
     */
    getRegistration(clientURL?: string | URL): Promise<ServiceWorkerRegistration | undefined>;
    /**
     * The **`getRegistrations()`** method of the ServiceWorkerContainer interface gets all ServiceWorkerRegistrations associated with a ServiceWorkerContainer, in an array. The method returns a Promise that resolves to an array of ServiceWorkerRegistration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/getRegistrations)
     */
    getRegistrations(): Promise<ReadonlyArray<ServiceWorkerRegistration>>;
    /**
     * The **`register()`** method of the ServiceWorkerContainer interface creates or updates a ServiceWorkerRegistration for the given scope.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/register)
     */
    register(scriptURL: string | URL, options?: RegistrationOptions): Promise<ServiceWorkerRegistration>;
    /**
     * The **`startMessages()`** method of the ServiceWorkerContainer interface explicitly starts the flow of messages being dispatched from a service worker to pages under its control (e.g., sent via Client.postMessage()). This can be used to react to sent messages earlier, even before that page's content has finished loading.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/startMessages)
     */
    startMessages(): void;
    addEventListener<K extends keyof ServiceWorkerContainerEventMap>(type: K, listener: (this: ServiceWorkerContainer, ev: ServiceWorkerContainerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ServiceWorkerContainerEventMap>(type: K, listener: (this: ServiceWorkerContainer, ev: ServiceWorkerContainerEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ServiceWorkerContainer: {
    prototype: ServiceWorkerContainer;
    new(): ServiceWorkerContainer;
};

interface ServiceWorkerRegistrationEventMap {
    "updatefound": Event;
}

/**
 * The **`ServiceWorkerRegistration`** interface of the Service Worker API represents the service worker registration. You register a service worker to control one or more pages that share the same origin.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration)
 */
interface ServiceWorkerRegistration extends EventTarget, PushManagerAttribute {
    /**
     * The **`active`** read-only property of the ServiceWorkerRegistration interface returns a service worker whose ServiceWorker.state is activating or activated. This property is initially set to null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/active)
     */
    readonly active: ServiceWorker | null;
    /**
     * The **`cookies`** read-only property of the ServiceWorkerRegistration interface returns a reference to the CookieStoreManager interface, which enables a web app to subscribe to and unsubscribe from cookie change events in a service worker. This is an entry point for the Cookie Store API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/cookies)
     */
    readonly cookies: CookieStoreManager;
    /**
     * The **`installing`** read-only property of the ServiceWorkerRegistration interface returns a service worker whose ServiceWorker.state is installing. This property is initially set to null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/installing)
     */
    readonly installing: ServiceWorker | null;
    /**
     * The **`navigationPreload`** read-only property of the ServiceWorkerRegistration interface returns the NavigationPreloadManager associated with the current service worker registration.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/navigationPreload)
     */
    readonly navigationPreload: NavigationPreloadManager;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/updatefound_event) */
    onupdatefound: ((this: ServiceWorkerRegistration, ev: Event) => any) | null;
    /**
     * The **`scope`** read-only property of the ServiceWorkerRegistration interface returns a string representing a URL that defines a service worker's registration scope; that is, the range of URLs a service worker can control. This is set using the scope parameter specified in the call to ServiceWorkerContainer.register() which registered the service worker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/scope)
     */
    readonly scope: string;
    /**
     * The **`updateViaCache`** read-only property of the ServiceWorkerRegistration interface returns the value of the setting used to determine the circumstances in which the browser will consult the HTTP cache when it tries to update the service worker or any scripts that are imported via importScripts().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/updateViaCache)
     */
    readonly updateViaCache: ServiceWorkerUpdateViaCache;
    /**
     * The **`waiting`** read-only property of the ServiceWorkerRegistration interface returns a service worker whose ServiceWorker.state is installed. This property is initially set to null.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/waiting)
     */
    readonly waiting: ServiceWorker | null;
    /**
     * The **`getNotifications()`** method of the ServiceWorkerRegistration interface returns a list of the notifications in the order that they were created from the current origin via the current service worker registration. Origins can have many active but differently-scoped service worker registrations. Notifications created by one service worker on the same origin will not be available to other active service workers on that same origin.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/getNotifications)
     */
    getNotifications(filter?: GetNotificationOptions): Promise<Notification[]>;
    /**
     * The **`showNotification()`** method of the ServiceWorkerRegistration interface creates a notification on an active service worker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/showNotification)
     */
    showNotification(title: string, options?: NotificationOptions): Promise<void>;
    /**
     * The **`unregister()`** method of the ServiceWorkerRegistration interface unregisters the service worker registration and returns a Promise. The promise will resolve to false if no registration was found, otherwise it resolves to true irrespective of whether unregistration happened or not (it may not unregister if someone else just called ServiceWorkerContainer.register() with the same scope.) The service worker will finish any ongoing operations before it is unregistered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/unregister)
     */
    unregister(): Promise<boolean>;
    /**
     * The **`update()`** method of the ServiceWorkerRegistration interface attempts to update the service worker. It fetches the worker's script URL, and if the new worker is not byte-by-byte identical to the current worker, it installs the new worker. The fetch of the worker bypasses any browser caches if the previous fetch occurred over 24 hours ago.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ServiceWorkerRegistration/update)
     */
    update(): Promise<ServiceWorkerRegistration>;
    addEventListener<K extends keyof ServiceWorkerRegistrationEventMap>(type: K, listener: (this: ServiceWorkerRegistration, ev: ServiceWorkerRegistrationEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ServiceWorkerRegistrationEventMap>(type: K, listener: (this: ServiceWorkerRegistration, ev: ServiceWorkerRegistrationEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ServiceWorkerRegistration: {
    prototype: ServiceWorkerRegistration;
    new(): ServiceWorkerRegistration;
};

interface ShadowRootEventMap {
    "slotchange": Event;
}

/**
 * The **`ShadowRoot`** interface of the Shadow DOM API is the root node of a DOM subtree that is rendered separately from a document's main DOM tree.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot)
 */
interface ShadowRoot extends DocumentFragment, DocumentOrShadowRoot {
    /**
     * The **`clonable`** read-only property of the ShadowRoot interface returns true if the shadow root is clonable, and false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/clonable)
     */
    readonly clonable: boolean;
    /**
     * The **`delegatesFocus`** read-only property of the ShadowRoot interface returns true if the shadow root delegates focus, and false otherwise.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/delegatesFocus)
     */
    readonly delegatesFocus: boolean;
    /**
     * The **`host`** read-only property of the ShadowRoot returns a reference to the DOM element the ShadowRoot is attached to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/host)
     */
    readonly host: Element;
    /**
     * The **`innerHTML`** property of the ShadowRoot interface gets or sets the HTML markup to the DOM tree inside the ShadowRoot.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/innerHTML)
     */
    innerHTML: string;
    /**
     * The **`mode`** read-only property of the ShadowRoot specifies its mode — either open or closed. This defines whether or not the shadow root's internal features are accessible from JavaScript.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/mode)
     */
    readonly mode: ShadowRootMode;
    onslotchange: ((this: ShadowRoot, ev: Event) => any) | null;
    /**
     * The **`serializable`** read-only property of the ShadowRoot interface returns true if the shadow root is serializable.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/serializable)
     */
    readonly serializable: boolean;
    /**
     * The read-only **`slotAssignment`** property of the ShadowRoot interface returns the slot assignment mode for the shadow DOM tree. Nodes are either automatically assigned (named) or manually assigned (manual). The value of this property defined using the slotAssignment option when calling Element.attachShadow().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/slotAssignment)
     */
    readonly slotAssignment: SlotAssignmentMode;
    /**
     * The **`getHTML()`** method of the ShadowRoot interface is used to serialize a shadow root's DOM to an HTML string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/getHTML)
     */
    getHTML(options?: GetHTMLOptions): string;
    /**
     * The **`setHTMLUnsafe()`** method of the ShadowRoot interface can be used to parse HTML input into a DocumentFragment, optionally filtering out unwanted elements and attributes, and then use it to replace the existing tree in the Shadow DOM.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ShadowRoot/setHTMLUnsafe)
     */
    setHTMLUnsafe(html: string): void;
    addEventListener<K extends keyof ShadowRootEventMap>(type: K, listener: (this: ShadowRoot, ev: ShadowRootEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof ShadowRootEventMap>(type: K, listener: (this: ShadowRoot, ev: ShadowRootEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var ShadowRoot: {
    prototype: ShadowRoot;
    new(): ShadowRoot;
};

/**
 * The **`SharedWorker`** interface represents a specific kind of worker that can be accessed from several browsing contexts, such as multiple windows or iframes. Shared workers implement a different interface than dedicated workers, have a different global scope (SharedWorkerGlobalScope), and their constructor is not exposed in DedicatedWorkerGlobalScope, so they cannot be instantiated from dedicated workers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SharedWorker)
 */
interface SharedWorker extends EventTarget, AbstractWorker {
    /**
     * The **`port`** property of the SharedWorker interface returns a MessagePort object used to communicate and control the shared worker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SharedWorker/port)
     */
    readonly port: MessagePort;
    addEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: SharedWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: SharedWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SharedWorker: {
    prototype: SharedWorker;
    new(scriptURL: string | URL, options?: string | WorkerOptions): SharedWorker;
};

interface Slottable {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/assignedSlot) */
    readonly assignedSlot: HTMLSlotElement | null;
}

interface SourceBufferEventMap {
    "abort": Event;
    "error": Event;
    "update": Event;
    "updateend": Event;
    "updatestart": Event;
}

/**
 * The **`SourceBuffer`** interface represents a chunk of media to be passed into an HTMLMediaElement and played, via a MediaSource object. This can be made up of one or several media segments.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer)
 */
interface SourceBuffer extends EventTarget {
    /**
     * The **`appendWindowEnd`** property of the SourceBuffer interface controls the timestamp for the end of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer. Coded media frames with timestamps within this range will be appended, whereas those outside the range will be filtered out.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendWindowEnd)
     */
    appendWindowEnd: number;
    /**
     * The **`appendWindowStart`** property of the SourceBuffer interface controls the timestamp for the start of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer. Coded media frames with timestamps within this range will be appended, whereas those outside the range will be filtered out.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendWindowStart)
     */
    appendWindowStart: number;
    /**
     * The **`buffered`** read-only property of the SourceBuffer interface returns the time ranges that are currently buffered in the SourceBuffer as a normalized TimeRanges object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/buffered)
     */
    readonly buffered: TimeRanges;
    /**
     * The **`mode`** property of the SourceBuffer interface controls whether media segments can be appended to the SourceBuffer in any order, or in a strict sequence.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/mode)
     */
    mode: AppendMode;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/abort_event) */
    onabort: ((this: SourceBuffer, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/error_event) */
    onerror: ((this: SourceBuffer, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/update_event) */
    onupdate: ((this: SourceBuffer, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/updateend_event) */
    onupdateend: ((this: SourceBuffer, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/updatestart_event) */
    onupdatestart: ((this: SourceBuffer, ev: Event) => any) | null;
    /**
     * The **`timestampOffset`** property of the SourceBuffer interface controls the offset applied to timestamps inside media segments that are appended to the SourceBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/timestampOffset)
     */
    timestampOffset: number;
    /**
     * The **`updating`** read-only property of the SourceBuffer interface indicates whether the SourceBuffer is currently being updated — i.e., whether an appendBuffer() or remove() operation is currently in progress.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/updating)
     */
    readonly updating: boolean;
    /**
     * The **`abort()`** method of the SourceBuffer interface aborts the current segment and resets the segment parser.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/abort)
     */
    abort(): void;
    /**
     * The **`appendBuffer()`** method of the SourceBuffer interface appends media segment data from an ArrayBuffer, a TypedArray or a DataView object to the SourceBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendBuffer)
     */
    appendBuffer(data: BufferSource): void;
    /**
     * The **`changeType()`** method of the SourceBuffer interface sets the MIME type that future calls to appendBuffer() should expect the new media data to conform to. This makes it possible to change codecs or container type mid-stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/changeType)
     */
    changeType(type: string): void;
    /**
     * The **`remove()`** method of the SourceBuffer interface removes media segments within a specific time range from the SourceBuffer. This method can only be called when SourceBuffer.updating equals false. If SourceBuffer.updating is not equal to false, call SourceBuffer.abort().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBuffer/remove)
     */
    remove(start: number, end: number): void;
    addEventListener<K extends keyof SourceBufferEventMap>(type: K, listener: (this: SourceBuffer, ev: SourceBufferEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SourceBufferEventMap>(type: K, listener: (this: SourceBuffer, ev: SourceBufferEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SourceBuffer: {
    prototype: SourceBuffer;
    new(): SourceBuffer;
};

interface SourceBufferListEventMap {
    "addsourcebuffer": Event;
    "removesourcebuffer": Event;
}

/**
 * The **`SourceBufferList`** interface represents a simple container list for multiple SourceBuffer objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBufferList)
 */
interface SourceBufferList extends EventTarget {
    /**
     * The **`length`** read-only property of the SourceBufferList interface returns the number of SourceBuffer objects in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SourceBufferList/length)
     */
    readonly length: number;
    onaddsourcebuffer: ((this: SourceBufferList, ev: Event) => any) | null;
    onremovesourcebuffer: ((this: SourceBufferList, ev: Event) => any) | null;
    addEventListener<K extends keyof SourceBufferListEventMap>(type: K, listener: (this: SourceBufferList, ev: SourceBufferListEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SourceBufferListEventMap>(type: K, listener: (this: SourceBufferList, ev: SourceBufferListEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
    [index: number]: SourceBuffer;
}

declare var SourceBufferList: {
    prototype: SourceBufferList;
    new(): SourceBufferList;
};

/**
 * The **`SpeechRecognitionAlternative`** interface of the Web Speech API represents a single word that has been recognized by the speech recognition service.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionAlternative)
 */
interface SpeechRecognitionAlternative {
    /**
     * The **`confidence`** read-only property of the SpeechRecognitionResult interface returns a numeric estimate of how confident the speech recognition system is that the recognition is correct.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionAlternative/confidence)
     */
    readonly confidence: number;
    /**
     * The **`transcript`** read-only property of the SpeechRecognitionResult interface returns a string containing the transcript of the recognized word(s).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionAlternative/transcript)
     */
    readonly transcript: string;
}

declare var SpeechRecognitionAlternative: {
    prototype: SpeechRecognitionAlternative;
    new(): SpeechRecognitionAlternative;
};

/**
 * The **`SpeechRecognitionErrorEvent`** interface of the Web Speech API represents error messages from the recognition service.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionErrorEvent)
 */
interface SpeechRecognitionErrorEvent extends Event {
    /**
     * The **`error`** read-only property of the SpeechRecognitionErrorEvent interface returns the type of error raised.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionErrorEvent/error)
     */
    readonly error: SpeechRecognitionErrorCode;
    /**
     * The **`message`** read-only property of the SpeechRecognitionErrorEvent interface returns a message describing the error in more detail.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionErrorEvent/message)
     */
    readonly message: string;
}

declare var SpeechRecognitionErrorEvent: {
    prototype: SpeechRecognitionErrorEvent;
    new(type: string, eventInitDict: SpeechRecognitionErrorEventInit): SpeechRecognitionErrorEvent;
};

/**
 * The **`SpeechRecognitionEvent`** interface of the Web Speech API represents the event object for the result and nomatch events, and contains all the data associated with an interim or final speech recognition result.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionEvent)
 */
interface SpeechRecognitionEvent extends Event {
    /**
     * The **`resultIndex`** read-only property of the SpeechRecognitionEvent interface returns the lowest index value result in the SpeechRecognitionResultList "array" that has actually changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionEvent/resultIndex)
     */
    readonly resultIndex: number;
    /**
     * The **`results`** read-only property of the SpeechRecognitionEvent interface returns a SpeechRecognitionResultList object representing all the speech recognition results for the current session.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionEvent/results)
     */
    readonly results: SpeechRecognitionResultList;
}

declare var SpeechRecognitionEvent: {
    prototype: SpeechRecognitionEvent;
    new(type: string, eventInitDict: SpeechRecognitionEventInit): SpeechRecognitionEvent;
};

/**
 * The **`SpeechRecognitionResult`** interface of the Web Speech API represents a single recognition match, which may contain multiple SpeechRecognitionAlternative objects.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResult)
 */
interface SpeechRecognitionResult {
    /**
     * The **`isFinal`** read-only property of the SpeechRecognitionResult interface is a boolean value that states whether this result is final (true) or not (false) — if so, then this is the final time this result will be returned; if not, then this result is an interim result, and may be updated later on.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResult/isFinal)
     */
    readonly isFinal: boolean;
    /**
     * The **`length`** read-only property of the SpeechRecognitionResult interface returns the length of the "array" — the number of SpeechRecognitionAlternative objects contained in the result (also referred to as "n-best alternatives".)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResult/length)
     */
    readonly length: number;
    /**
     * The **`item`** getter of the SpeechRecognitionResult interface is a standard getter that allows SpeechRecognitionAlternative objects within the result to be accessed via array syntax.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResult/item)
     */
    item(index: number): SpeechRecognitionAlternative;
    [index: number]: SpeechRecognitionAlternative;
}

declare var SpeechRecognitionResult: {
    prototype: SpeechRecognitionResult;
    new(): SpeechRecognitionResult;
};

/**
 * The **`SpeechRecognitionResultList`** interface of the Web Speech API represents a list of SpeechRecognitionResult objects, or a single one if results are being captured in non-continuous mode.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResultList)
 */
interface SpeechRecognitionResultList {
    /**
     * The **`length`** read-only property of the SpeechRecognitionResultList interface returns the length of the "array" — the number of SpeechRecognitionResult objects in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResultList/length)
     */
    readonly length: number;
    /**
     * The **`item`** getter of the SpeechRecognitionResultList interface is a standard getter — it allows SpeechRecognitionResult objects in the list to be accessed via array syntax.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechRecognitionResultList/item)
     */
    item(index: number): SpeechRecognitionResult;
    [index: number]: SpeechRecognitionResult;
}

declare var SpeechRecognitionResultList: {
    prototype: SpeechRecognitionResultList;
    new(): SpeechRecognitionResultList;
};

interface SpeechSynthesisEventMap {
    "voiceschanged": Event;
}

/**
 * The **`SpeechSynthesis`** interface of the Web Speech API is the controller interface for the speech service; this can be used to retrieve information about the synthesis voices available on the device, start and pause speech, and other commands besides.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis)
 */
interface SpeechSynthesis extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/voiceschanged_event) */
    onvoiceschanged: ((this: SpeechSynthesis, ev: Event) => any) | null;
    /**
     * The **`paused`** read-only property of the SpeechSynthesis interface is a boolean value that returns true if the SpeechSynthesis object is in a paused state, or false if not.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/paused)
     */
    readonly paused: boolean;
    /**
     * The **`pending`** read-only property of the SpeechSynthesis interface is a boolean value that returns true if the utterance queue contains as-yet-unspoken utterances.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/pending)
     */
    readonly pending: boolean;
    /**
     * The **`speaking`** read-only property of the SpeechSynthesis interface is a boolean value that returns true if an utterance is currently in the process of being spoken — even if SpeechSynthesis is in a paused state.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/speaking)
     */
    readonly speaking: boolean;
    /**
     * The **`cancel()`** method of the SpeechSynthesis interface removes all utterances from the utterance queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/cancel)
     */
    cancel(): void;
    /**
     * The **`getVoices()`** method of the SpeechSynthesis interface returns a list of SpeechSynthesisVoice objects representing all the available voices on the current device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/getVoices)
     */
    getVoices(): SpeechSynthesisVoice[];
    /**
     * The **`pause()`** method of the SpeechSynthesis interface puts the SpeechSynthesis object into a paused state.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/pause)
     */
    pause(): void;
    /**
     * The **`resume()`** method of the SpeechSynthesis interface puts the SpeechSynthesis object into a non-paused state: resumes it if it was already paused.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/resume)
     */
    resume(): void;
    /**
     * The **`speak()`** method of the SpeechSynthesis interface adds an utterance to the utterance queue; it will be spoken when any other utterances queued before it have been spoken.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesis/speak)
     */
    speak(utterance: SpeechSynthesisUtterance): void;
    addEventListener<K extends keyof SpeechSynthesisEventMap>(type: K, listener: (this: SpeechSynthesis, ev: SpeechSynthesisEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SpeechSynthesisEventMap>(type: K, listener: (this: SpeechSynthesis, ev: SpeechSynthesisEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SpeechSynthesis: {
    prototype: SpeechSynthesis;
    new(): SpeechSynthesis;
};

/**
 * The **`SpeechSynthesisErrorEvent`** interface of the Web Speech API contains information about any errors that occur while processing SpeechSynthesisUtterance objects in the speech service.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisErrorEvent)
 */
interface SpeechSynthesisErrorEvent extends SpeechSynthesisEvent {
    /**
     * The **`error`** property of the SpeechSynthesisErrorEvent interface returns an error code indicating what has gone wrong with a speech synthesis attempt.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisErrorEvent/error)
     */
    readonly error: SpeechSynthesisErrorCode;
}

declare var SpeechSynthesisErrorEvent: {
    prototype: SpeechSynthesisErrorEvent;
    new(type: string, eventInitDict: SpeechSynthesisErrorEventInit): SpeechSynthesisErrorEvent;
};

/**
 * The **`SpeechSynthesisEvent`** interface of the Web Speech API contains information about the current state of SpeechSynthesisUtterance objects that have been processed in the speech service.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent)
 */
interface SpeechSynthesisEvent extends Event {
    /**
     * The **`charIndex`** read-only property of the SpeechSynthesisUtterance interface returns the index position of the character in SpeechSynthesisUtterance.text that was being spoken when the event was triggered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/charIndex)
     */
    readonly charIndex: number;
    /**
     * The read-only **`charLength`** property of the SpeechSynthesisEvent interface returns the number of characters left to be spoken after the character at the charIndex position.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/charLength)
     */
    readonly charLength: number;
    /**
     * The **`elapsedTime`** read-only property of the SpeechSynthesisEvent returns the elapsed time in seconds, after the SpeechSynthesisUtterance.text started being spoken, at which the event was triggered.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/elapsedTime)
     */
    readonly elapsedTime: number;
    /**
     * The **`name`** read-only property of the SpeechSynthesisUtterance interface returns the name associated with certain types of events occurring as the SpeechSynthesisUtterance.text is being spoken: the name of the SSML marker reached in the case of a mark event, or the type of boundary reached in the case of a boundary event.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/name)
     */
    readonly name: string;
    /**
     * The **`utterance`** read-only property of the SpeechSynthesisUtterance interface returns the SpeechSynthesisUtterance instance that the event was triggered on.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/utterance)
     */
    readonly utterance: SpeechSynthesisUtterance;
}

declare var SpeechSynthesisEvent: {
    prototype: SpeechSynthesisEvent;
    new(type: string, eventInitDict: SpeechSynthesisEventInit): SpeechSynthesisEvent;
};

interface SpeechSynthesisUtteranceEventMap {
    "boundary": SpeechSynthesisEvent;
    "end": SpeechSynthesisEvent;
    "error": SpeechSynthesisErrorEvent;
    "mark": SpeechSynthesisEvent;
    "pause": SpeechSynthesisEvent;
    "resume": SpeechSynthesisEvent;
    "start": SpeechSynthesisEvent;
}

/**
 * The **`SpeechSynthesisUtterance`** interface of the Web Speech API represents a speech request. It contains the content the speech service should read and information about how to read it (e.g., language, pitch and volume.)
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance)
 */
interface SpeechSynthesisUtterance extends EventTarget {
    /**
     * The **`lang`** property of the SpeechSynthesisUtterance interface gets and sets the language of the utterance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/lang)
     */
    lang: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/boundary_event) */
    onboundary: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/end_event) */
    onend: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/error_event) */
    onerror: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisErrorEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/mark_event) */
    onmark: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/pause_event) */
    onpause: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/resume_event) */
    onresume: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/start_event) */
    onstart: ((this: SpeechSynthesisUtterance, ev: SpeechSynthesisEvent) => any) | null;
    /**
     * The **`pitch`** property of the SpeechSynthesisUtterance interface gets and sets the pitch at which the utterance will be spoken at.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/pitch)
     */
    pitch: number;
    /**
     * The **`rate`** property of the SpeechSynthesisUtterance interface gets and sets the speed at which the utterance will be spoken at.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/rate)
     */
    rate: number;
    /**
     * The **`text`** property of the SpeechSynthesisUtterance interface gets and sets the text that will be synthesized when the utterance is spoken.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/text)
     */
    text: string;
    /**
     * The **`voice`** property of the SpeechSynthesisUtterance interface gets and sets the voice that will be used to speak the utterance.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/voice)
     */
    voice: SpeechSynthesisVoice | null;
    /**
     * The **`volume`** property of the SpeechSynthesisUtterance interface gets and sets the volume that the utterance will be spoken at.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisUtterance/volume)
     */
    volume: number;
    addEventListener<K extends keyof SpeechSynthesisUtteranceEventMap>(type: K, listener: (this: SpeechSynthesisUtterance, ev: SpeechSynthesisUtteranceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof SpeechSynthesisUtteranceEventMap>(type: K, listener: (this: SpeechSynthesisUtterance, ev: SpeechSynthesisUtteranceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var SpeechSynthesisUtterance: {
    prototype: SpeechSynthesisUtterance;
    new(text?: string): SpeechSynthesisUtterance;
};

/**
 * The **`SpeechSynthesisVoice`** interface of the Web Speech API represents a voice that the system supports. Every SpeechSynthesisVoice has its own relative speech service including information about language, name and URI.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice)
 */
interface SpeechSynthesisVoice {
    /**
     * The **`default`** read-only property of the SpeechSynthesisVoice interface returns a boolean value indicating whether the voice is the default voice for the current app (true), or not (false.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/default)
     */
    readonly default: boolean;
    /**
     * The **`lang`** read-only property of the SpeechSynthesisVoice interface returns a BCP 47 language tag indicating the language of the voice.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/lang)
     */
    readonly lang: string;
    /**
     * The **`localService`** read-only property of the SpeechSynthesisVoice interface returns a boolean value indicating whether the voice is supplied by a local speech synthesizer service (true), or a remote speech synthesizer service (false.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/localService)
     */
    readonly localService: boolean;
    /**
     * The **`name`** read-only property of the SpeechSynthesisVoice interface returns a human-readable name that represents the voice.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/name)
     */
    readonly name: string;
    /**
     * The **`voiceURI`** read-only property of the SpeechSynthesisVoice interface returns the type of URI and location of the speech synthesis service for this voice.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/voiceURI)
     */
    readonly voiceURI: string;
}

declare var SpeechSynthesisVoice: {
    prototype: SpeechSynthesisVoice;
    new(): SpeechSynthesisVoice;
};

/**
 * The DOM **`StaticRange`** interface extends AbstractRange to provide a method to specify a range of content in the DOM whose contents don't update to reflect changes which occur within the DOM tree.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StaticRange)
 */
interface StaticRange extends AbstractRange {
}

declare var StaticRange: {
    prototype: StaticRange;
    new(init: StaticRangeInit): StaticRange;
};

/**
 * The **`StereoPannerNode`** interface of the Web Audio API represents a simple stereo panner node that can be used to pan an audio stream left or right. It is an AudioNode audio-processing module that positions an incoming audio stream in a stereo image using a low-cost equal-power panning algorithm.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StereoPannerNode)
 */
interface StereoPannerNode extends AudioNode {
    /**
     * The **`pan`** property of the StereoPannerNode interface is an a-rate AudioParam representing the amount of panning to apply. The value can range between -1 (full left pan) and 1 (full right pan).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StereoPannerNode/pan)
     */
    readonly pan: AudioParam;
}

declare var StereoPannerNode: {
    prototype: StereoPannerNode;
    new(context: BaseAudioContext, options?: StereoPannerOptions): StereoPannerNode;
};

/**
 * The **`Storage`** interface of the Web Storage API provides access to a particular domain's session or local storage. It allows, for example, the addition, modification, or deletion of stored data items.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage)
 */
interface Storage {
    /**
     * The **`length`** read-only property of the Storage interface returns the number of data items stored in a given Storage object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/length)
     */
    readonly length: number;
    /**
     * The **`clear()`** method of the Storage interface clears all keys stored in a given Storage object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/clear)
     */
    clear(): void;
    /**
     * The **`getItem()`** method of the Storage interface, when passed a key name, will return that key's value, or null if the key does not exist, in the given Storage object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/getItem)
     */
    getItem(key: string): string | null;
    /**
     * The **`key()`** method of the Storage interface, when passed a number n, returns the name of the nth key in a given Storage object. The order of keys is user-agent defined, so you should not rely on it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/key)
     */
    key(index: number): string | null;
    /**
     * The **`removeItem()`** method of the Storage interface, when passed a key name, will remove that key from the given Storage object if it exists. The Storage interface of the Web Storage API provides access to a particular domain's session or local storage.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/removeItem)
     */
    removeItem(key: string): void;
    /**
     * The **`setItem()`** method of the Storage interface, when passed a key name and value, will add that key to the given Storage object, or update that key's value if it already exists.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/setItem)
     */
    setItem(key: string, value: string): void;
    [name: string]: any;
}

declare var Storage: {
    prototype: Storage;
    new(): Storage;
};

/**
 * The **`StorageEvent`** interface is implemented by the storage event, which is sent to a window when a storage area the window has access to is changed within the context of another document.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent)
 */
interface StorageEvent extends Event {
    /**
     * The **`key`** property of the StorageEvent interface returns the key for the storage item that was changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/key)
     */
    readonly key: string | null;
    /**
     * The **`newValue`** property of the StorageEvent interface returns the new value of the storage item whose value was changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/newValue)
     */
    readonly newValue: string | null;
    /**
     * The **`oldValue`** property of the StorageEvent interface returns the original value of the storage item whose value changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/oldValue)
     */
    readonly oldValue: string | null;
    /**
     * The **`storageArea`** property of the StorageEvent interface returns the storage object that was affected.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/storageArea)
     */
    readonly storageArea: Storage | null;
    /**
     * The **`url`** property of the StorageEvent interface returns the URL of the document whose storage changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/url)
     */
    readonly url: string;
    /**
     * The **`StorageEvent.initStorageEvent()`** method is used to initialize the value of a StorageEvent.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageEvent/initStorageEvent)
     */
    initStorageEvent(type: string, bubbles?: boolean, cancelable?: boolean, key?: string | null, oldValue?: string | null, newValue?: string | null, url?: string | URL, storageArea?: Storage | null): void;
}

declare var StorageEvent: {
    prototype: StorageEvent;
    new(type: string, eventInitDict?: StorageEventInit): StorageEvent;
};

/**
 * The **`StorageManager`** interface of the Storage API provides an interface for managing persistence permissions and estimating available storage. You can get a reference to this interface using either navigator.storage or WorkerNavigator.storage.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageManager)
 */
interface StorageManager {
    /**
     * The **`estimate()`** method of the StorageManager interface asks the Storage Manager for how much storage the current origin takes up (usage), and how much space is available (quota).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageManager/estimate)
     */
    estimate(): Promise<StorageEstimate>;
    /**
     * The **`getDirectory()`** method of the StorageManager interface is used to obtain a reference to a FileSystemDirectoryHandle object allowing access to a directory and its contents, stored in the origin private file system (OPFS).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageManager/getDirectory)
     */
    getDirectory(): Promise<FileSystemDirectoryHandle>;
    /**
     * The **`persist()`** method of the StorageManager interface requests permission to use persistent storage, and returns a Promise that resolves to true if permission is granted and bucket mode is persistent, and false otherwise. The browser may or may not honor the request, depending on browser-specific rules. (For more details, see the guide to Storage quotas and eviction criteria.)
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageManager/persist)
     */
    persist(): Promise<boolean>;
    /**
     * The **`persisted()`** method of the StorageManager interface returns a Promise that resolves to true if your site's storage bucket is persistent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StorageManager/persisted)
     */
    persisted(): Promise<boolean>;
}

declare var StorageManager: {
    prototype: StorageManager;
    new(): StorageManager;
};

/**
 * The **`StylePropertyMap`** interface of the CSS Typed Object Model API provides a representation of a CSS declaration block that is an alternative to CSSStyleDeclaration.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMap)
 */
interface StylePropertyMap extends StylePropertyMapReadOnly {
    /**
     * The **`append()`** method of the StylePropertyMap interface adds the passed CSS value to the StylePropertyMap with the given property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMap/append)
     */
    append(property: string, ...values: (CSSStyleValue | string)[]): void;
    /**
     * The **`clear()`** method of the StylePropertyMap interface removes all declarations in the StylePropertyMap.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMap/clear)
     */
    clear(): void;
    /**
     * The **`delete()`** method of the StylePropertyMap interface removes the CSS declaration with the given property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMap/delete)
     */
    delete(property: string): void;
    /**
     * The **`set()`** method of the StylePropertyMap interface changes the CSS declaration with the given property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMap/set)
     */
    set(property: string, ...values: (CSSStyleValue | string)[]): void;
}

declare var StylePropertyMap: {
    prototype: StylePropertyMap;
    new(): StylePropertyMap;
};

/**
 * The **`StylePropertyMapReadOnly`** interface of the CSS Typed Object Model API provides a read-only representation of a CSS declaration block that is an alternative to CSSStyleDeclaration. Retrieve an instance of this interface using Element.computedStyleMap().
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly)
 */
interface StylePropertyMapReadOnly {
    /**
     * The **`size`** read-only property of the StylePropertyMapReadOnly interface returns an unsigned long integer containing the size of the StylePropertyMapReadOnly object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/size)
     */
    readonly size: number;
    /**
     * The **`get()`** method of the StylePropertyMapReadOnly interface returns a CSSStyleValue object for the first value of the specified property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/get)
     */
    get(property: string): undefined | CSSStyleValue;
    /**
     * The **`getAll()`** method of the StylePropertyMapReadOnly interface returns an array of CSSStyleValue objects containing the values for the provided property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/getAll)
     */
    getAll(property: string): CSSStyleValue[];
    /**
     * The **`has()`** method of the StylePropertyMapReadOnly interface indicates whether the specified property is in the StylePropertyMapReadOnly object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StylePropertyMapReadOnly/has)
     */
    has(property: string): boolean;
    forEach(callbackfn: (value: CSSStyleValue[], key: string, parent: StylePropertyMapReadOnly) => void, thisArg?: any): void;
}

declare var StylePropertyMapReadOnly: {
    prototype: StylePropertyMapReadOnly;
    new(): StylePropertyMapReadOnly;
};

/**
 * An object implementing the **`StyleSheet`** interface represents a single style sheet. CSS style sheets will further implement the more specialized CSSStyleSheet interface.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet)
 */
interface StyleSheet {
    /**
     * The **`disabled`** property of the StyleSheet interface determines whether the style sheet is prevented from applying to the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/disabled)
     */
    disabled: boolean;
    /**
     * The **`href`** property of the StyleSheet interface returns the location of the style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/href)
     */
    readonly href: string | null;
    /**
     * The read-only **`media`** property of the StyleSheet interface contains a MediaList object representing the intended destination media for style information.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/media)
     */
    get media(): MediaList;
    set media(mediaText: string);
    /**
     * The **`ownerNode`** property of the StyleSheet interface returns the node that associates this style sheet with the document.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/ownerNode)
     */
    readonly ownerNode: Element | ProcessingInstruction | null;
    /**
     * The **`parentStyleSheet`** property of the StyleSheet interface returns the style sheet, if any, that is including the given style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/parentStyleSheet)
     */
    readonly parentStyleSheet: CSSStyleSheet | null;
    /**
     * The **`title`** property of the StyleSheet interface returns the advisory title of the current style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/title)
     */
    readonly title: string | null;
    /**
     * The **`type`** property of the StyleSheet interface specifies the style sheet language for the given style sheet.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheet/type)
     */
    readonly type: string;
}

declare var StyleSheet: {
    prototype: StyleSheet;
    new(): StyleSheet;
};

/**
 * The **`StyleSheetList`** interface represents a list of CSSStyleSheet objects. An instance of this object can be returned by Document.styleSheets.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheetList)
 */
interface StyleSheetList {
    /**
     * The **`length`** read-only property of the StyleSheetList interface returns the number of CSSStyleSheet objects in the collection.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheetList/length)
     */
    readonly length: number;
    /**
     * The **`item()`** method of the StyleSheetList interface returns a single CSSStyleSheet object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/StyleSheetList/item)
     */
    item(index: number): CSSStyleSheet | null;
    [index: number]: CSSStyleSheet;
}

declare var StyleSheetList: {
    prototype: StyleSheetList;
    new(): StyleSheetList;
};

/**
 * The **`SubmitEvent`** interface defines the object used to represent an HTML form's submit event. This event is fired at the <form> when the form's submit action is invoked.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubmitEvent)
 */
interface SubmitEvent extends Event {
    /**
     * The read-only **`submitter`** property found on the SubmitEvent interface specifies the submit button or other element that was invoked to cause the form to be submitted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubmitEvent/submitter)
     */
    readonly submitter: HTMLElement | null;
}

declare var SubmitEvent: {
    prototype: SubmitEvent;
    new(type: string, eventInitDict?: SubmitEventInit): SubmitEvent;
};

/**
 * The **`SubtleCrypto`** interface of the Web Crypto API provides a number of low-level cryptographic functions.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto)
 */
interface SubtleCrypto {
    /**
     * The **`decrypt()`** method of the SubtleCrypto interface decrypts some encrypted data. It takes as arguments a key to decrypt with, some optional extra parameters, and the data to decrypt (also known as "ciphertext"). It returns a Promise which will be fulfilled with the decrypted data (also known as "plaintext").
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/decrypt)
     */
    decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
    /**
     * The **`deriveBits()`** method of the SubtleCrypto interface can be used to derive an array of bits from a base key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveBits)
     */
    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length?: number | null): Promise<ArrayBuffer>;
    /**
     * The **`deriveKey()`** method of the SubtleCrypto interface can be used to derive a secret key from a master key.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveKey)
     */
    deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
    /**
     * The **`digest()`** method of the SubtleCrypto interface generates a digest of the given data, using the specified hash function. A digest is a short fixed-length value derived from some variable-length input. Cryptographic digests should exhibit collision-resistance, meaning that it's hard to come up with two different inputs that have the same digest value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/digest)
     */
    digest(algorithm: AlgorithmIdentifier, data: BufferSource): Promise<ArrayBuffer>;
    /**
     * The **`encrypt()`** method of the SubtleCrypto interface encrypts data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/encrypt)
     */
    encrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
    /**
     * The **`exportKey()`** method of the SubtleCrypto interface exports a key: that is, it takes as input a CryptoKey object and gives you the key in an external, portable format.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/exportKey)
     */
    exportKey(format: "jwk", key: CryptoKey): Promise<JsonWebKey>;
    exportKey(format: Exclude<KeyFormat, "jwk">, key: CryptoKey): Promise<ArrayBuffer>;
    exportKey(format: KeyFormat, key: CryptoKey): Promise<ArrayBuffer | JsonWebKey>;
    /**
     * The **`generateKey()`** method of the SubtleCrypto interface is used to generate a new key (for symmetric algorithms) or key pair (for public-key algorithms).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/generateKey)
     */
    generateKey(algorithm: "Ed25519" | { name: "Ed25519" }, extractable: boolean, keyUsages: ReadonlyArray<"sign" | "verify">): Promise<CryptoKeyPair>;
    generateKey(algorithm: "X25519" | { name: "X25519" }, extractable: boolean, keyUsages: ReadonlyArray<"deriveBits" | "deriveKey">): Promise<CryptoKeyPair>;
    generateKey(algorithm: RsaHashedKeyGenParams | EcKeyGenParams, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKeyPair>;
    generateKey(algorithm: AesKeyGenParams | HmacKeyGenParams | Pbkdf2Params, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKey>;
    generateKey(algorithm: AlgorithmIdentifier, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair | CryptoKey>;
    /**
     * The **`importKey()`** method of the SubtleCrypto interface imports a key: that is, it takes as input a key in an external, portable format and gives you a CryptoKey object that you can use in the Web Crypto API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/importKey)
     */
    importKey(format: "jwk", keyData: JsonWebKey, algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKey>;
    importKey(format: Exclude<KeyFormat, "jwk">, keyData: BufferSource, algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
    /**
     * The **`sign()`** method of the SubtleCrypto interface generates a digital signature.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/sign)
     */
    sign(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
    /**
     * The **`unwrapKey()`** method of the SubtleCrypto interface "unwraps" a key. This means that it takes as its input a key that has been exported and then encrypted (also called "wrapped"). It decrypts the key and then imports it, returning a CryptoKey object that can be used in the Web Crypto API.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/unwrapKey)
     */
    unwrapKey(format: KeyFormat, wrappedKey: BufferSource, unwrappingKey: CryptoKey, unwrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, unwrappedKeyAlgorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
    /**
     * The **`verify()`** method of the SubtleCrypto interface verifies a digital signature.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/verify)
     */
    verify(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams, key: CryptoKey, signature: BufferSource, data: BufferSource): Promise<boolean>;
    /**
     * The **`wrapKey()`** method of the SubtleCrypto interface "wraps" a key. This means that it exports the key in an external, portable format, then encrypts the exported key. Wrapping a key helps protect it in untrusted environments, such as inside an otherwise unprotected data store or in transmission over an unprotected network.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/wrapKey)
     */
    wrapKey(format: KeyFormat, key: CryptoKey, wrappingKey: CryptoKey, wrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams): Promise<ArrayBuffer>;
}

declare var SubtleCrypto: {
    prototype: SubtleCrypto;
    new(): SubtleCrypto;
};

/**
 * The **`TaskController`** interface of the Prioritized Task Scheduling API represents a controller object that can be used to both abort and change the priority of one or more prioritized tasks. If there is no need to change task priorities, then AbortController can be used instead.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskController)
 */
interface TaskController extends AbortController {
    /**
     * The **`setPriority()`** method of the TaskController interface can be called to set a new priority for this controller's signal. If a prioritized task is configured to use the signal, this will also change the task priority.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskController/setPriority)
     */
    setPriority(priority: TaskPriority): void;
}

declare var TaskController: {
    prototype: TaskController;
    new(init?: TaskControllerInit): TaskController;
};

/**
 * The **`TaskPriorityChangeEvent`** is the interface for the prioritychange event.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskPriorityChangeEvent)
 */
interface TaskPriorityChangeEvent extends Event {
    /**
     * The **`previousPriority`** read-only property of the TaskPriorityChangeEvent interface returns the priority of the corresponding TaskSignal before it was changed and this prioritychange event was emitted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskPriorityChangeEvent/previousPriority)
     */
    readonly previousPriority: TaskPriority;
}

declare var TaskPriorityChangeEvent: {
    prototype: TaskPriorityChangeEvent;
    new(type: string, priorityChangeEventInitDict: TaskPriorityChangeEventInit): TaskPriorityChangeEvent;
};

interface TaskSignalEventMap extends AbortSignalEventMap {
    "prioritychange": TaskPriorityChangeEvent;
}

/**
 * The **`TaskSignal`** interface of the Prioritized Task Scheduling API represents a signal object that allows you to communicate with a prioritized task, and abort it or change the priority (if required) via a TaskController object.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskSignal)
 */
interface TaskSignal extends AbortSignal {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskSignal/prioritychange_event) */
    onprioritychange: ((this: TaskSignal, ev: TaskPriorityChangeEvent) => any) | null;
    /**
     * The read-only **`priority`** property of the TaskSignal interface indicates the signal priority.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskSignal/priority)
     */
    readonly priority: TaskPriority;
    addEventListener<K extends keyof TaskSignalEventMap>(type: K, listener: (this: TaskSignal, ev: TaskSignalEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof TaskSignalEventMap>(type: K, listener: (this: TaskSignal, ev: TaskSignalEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var TaskSignal: {
    prototype: TaskSignal;
    new(): TaskSignal;
    /**
     * The **`TaskSignal.any()`** static method takes an iterable of AbortSignal objects and returns a TaskSignal. The returned task signal is aborted when any of the abort signals is aborted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TaskSignal/any_static)
     */
    any(signals: AbortSignal[], init?: TaskSignalAnyInit): TaskSignal;
};

/**
 * The **`Text`** interface represents a text node in a DOM tree.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Text)
 */
interface Text extends CharacterData, Slottable {
    /**
     * The read-only **`wholeText`** property of the Text interface returns the full text of all Text nodes logically adjacent to the node. The text is concatenated in document order. This allows specifying any text node and obtaining all adjacent text as a single string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Text/wholeText)
     */
    readonly wholeText: string;
    /**
     * The **`splitText()`** method of the Text interface breaks the Text node into two nodes at the specified offset, keeping both nodes in the tree as siblings.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Text/splitText)
     */
    splitText(offset: number): Text;
}

declare var Text: {
    prototype: Text;
    new(data?: string): Text;
};

/**
 * The **`TextDecoder`** interface represents a decoder for a specific text encoding, such as UTF-8, ISO-8859-2, or GBK. A decoder takes an array of bytes as input and returns a JavaScript string.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoder)
 */
interface TextDecoder extends TextDecoderCommon {
    /**
     * The **`TextDecoder.decode()`** method returns a string containing text decoded from the buffer passed as a parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoder/decode)
     */
    decode(input?: AllowSharedBufferSource, options?: TextDecodeOptions): string;
}

declare var TextDecoder: {
    prototype: TextDecoder;
    new(label?: string, options?: TextDecoderOptions): TextDecoder;
};

interface TextDecoderCommon {
    /**
     * Returns encoding's name, lowercased.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoder/encoding)
     */
    readonly encoding: string;
    /**
     * Returns true if error mode is "fatal", otherwise false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoder/fatal)
     */
    readonly fatal: boolean;
    /**
     * Returns the value of ignore BOM.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoder/ignoreBOM)
     */
    readonly ignoreBOM: boolean;
}

/**
 * The **`TextDecoderStream`** interface of the Encoding API converts a stream of text in a binary encoding, such as UTF-8 etc., to a stream of strings. It is the streaming equivalent of TextDecoder. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextDecoderStream)
 */
interface TextDecoderStream extends GenericTransformStream, TextDecoderCommon {
    /** The **`readable`** read-only property of the TextDecoderStream interface returns a ReadableStream that emits decoded strings. */
    readonly readable: ReadableStream<string>;
    /** The **`writable`** read-only property of the TextDecoderStream interface returns a WritableStream that accepts binary data, in the form of ArrayBuffer, TypedArray, or DataView chunks (SharedArrayBuffer and its views are also allowed), to be decoded into strings. */
    readonly writable: WritableStream<BufferSource>;
}

declare var TextDecoderStream: {
    prototype: TextDecoderStream;
    new(label?: string, options?: TextDecoderOptions): TextDecoderStream;
};

/**
 * The **`TextEncoder`** interface enables you to encode a JavaScript string using UTF-8.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEncoder)
 */
interface TextEncoder extends TextEncoderCommon {
    /**
     * The **`TextEncoder.encode()`** method takes a string as input, and returns a Uint8Array containing the string encoded using UTF-8.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEncoder/encode)
     */
    encode(input?: string): Uint8Array<ArrayBuffer>;
    /**
     * The **`TextEncoder.encodeInto()`** method takes a string to encode and a destination Uint8Array to put resulting UTF-8 encoded text into, and returns an object indicating the progress of the encoding. This is potentially more performant than the encode() method — especially when the target buffer is a view into a Wasm heap.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEncoder/encodeInto)
     */
    encodeInto(source: string, destination: Uint8Array<ArrayBufferLike>): TextEncoderEncodeIntoResult;
}

declare var TextEncoder: {
    prototype: TextEncoder;
    new(): TextEncoder;
};

interface TextEncoderCommon {
    /**
     * Returns "utf-8".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEncoder/encoding)
     */
    readonly encoding: string;
}

/**
 * The **`TextEncoderStream`** interface of the Encoding API converts a stream of strings into bytes in the UTF-8 encoding. It is the streaming equivalent of TextEncoder. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEncoderStream)
 */
interface TextEncoderStream extends GenericTransformStream, TextEncoderCommon {
    /** The **`readable`** read-only property of the TextEncoderStream interface returns a ReadableStream that emits encoded binary data as Uint8Array chunks. */
    readonly readable: ReadableStream<Uint8Array<ArrayBuffer>>;
    /** The **`writable`** read-only property of the TextEncoderStream interface returns a WritableStream that accepts strings to be encoded into binary data. */
    readonly writable: WritableStream<string>;
}

declare var TextEncoderStream: {
    prototype: TextEncoderStream;
    new(): TextEncoderStream;
};

/**
 * The **`TextEvent`** interface is a legacy UI event interface for reporting changes to text UI elements.
 * @deprecated
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent)
 */
interface TextEvent extends UIEvent {
    /**
     * The **`data`** read-only property of the TextEvent interface returns the last character added to the input element.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent/data)
     */
    readonly data: string;
    /**
     * The **`initTextEvent`**Event() method of the TextEvent interface initializes the value of a TextEvent after it has been created.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent/initTextEvent)
     */
    initTextEvent(type: string, bubbles?: boolean, cancelable?: boolean, view?: Window | null, data?: string): void;
}

/** @deprecated */
declare var TextEvent: {
    prototype: TextEvent;
    new(): TextEvent;
};

/**
 * The **`TextMetrics`** interface represents the dimensions of a piece of text in the canvas; a TextMetrics instance can be retrieved using the CanvasRenderingContext2D.measureText() method.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics)
 */
interface TextMetrics {
    /**
     * The read-only **`actualBoundingBoxAscent`** property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the top of the bounding rectangle used to render the text, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/actualBoundingBoxAscent)
     */
    readonly actualBoundingBoxAscent: number;
    /**
     * The read-only **`actualBoundingBoxDescent`** property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle used to render the text, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/actualBoundingBoxDescent)
     */
    readonly actualBoundingBoxDescent: number;
    /**
     * The read-only **`actualBoundingBoxLeft`** property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the left side of the bounding rectangle of the given text, in CSS pixels; positive numbers indicating a distance going left from the given alignment point.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/actualBoundingBoxLeft)
     */
    readonly actualBoundingBoxLeft: number;
    /**
     * The read-only **`actualBoundingBoxRight`** property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the right side of the bounding rectangle of the given text, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/actualBoundingBoxRight)
     */
    readonly actualBoundingBoxRight: number;
    /**
     * The read-only **`alphabeticBaseline`** property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the alphabetic baseline of the line box, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/alphabeticBaseline)
     */
    readonly alphabeticBaseline: number;
    /**
     * The read-only **`emHeightAscent`** property of the TextMetrics interface returns the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the top of the em square in the line box, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/emHeightAscent)
     */
    readonly emHeightAscent: number;
    /**
     * The read-only **`emHeightDescent`** property of the TextMetrics interface returns the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the bottom of the em square in the line box, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/emHeightDescent)
     */
    readonly emHeightDescent: number;
    /**
     * The read-only **`fontBoundingBoxAscent`** property of the TextMetrics interface returns the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute, to the top of the highest bounding rectangle of all the fonts used to render the text, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/fontBoundingBoxAscent)
     */
    readonly fontBoundingBoxAscent: number;
    /**
     * The read-only **`fontBoundingBoxDescent`** property of the TextMetrics interface returns the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle of all the fonts used to render the text, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/fontBoundingBoxDescent)
     */
    readonly fontBoundingBoxDescent: number;
    /**
     * The read-only **`hangingBaseline`** property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the hanging baseline of the line box, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/hangingBaseline)
     */
    readonly hangingBaseline: number;
    /**
     * The read-only **`ideographicBaseline`** property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the ideographic baseline of the line box, in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/ideographicBaseline)
     */
    readonly ideographicBaseline: number;
    /**
     * The read-only **`width`** property of the TextMetrics interface contains the text's advance width (the width of that inline box) in CSS pixels.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextMetrics/width)
     */
    readonly width: number;
}

declare var TextMetrics: {
    prototype: TextMetrics;
    new(): TextMetrics;
};

interface TextTrackEventMap {
    "cuechange": Event;
}

/**
 * The **`TextTrack`** interface of the WebVTT API represents a text track associated with a media element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack)
 */
interface TextTrack extends EventTarget {
    /**
     * The **`activeCues`** read-only property of the TextTrack interface returns a TextTrackCueList object listing the currently active cues.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/activeCues)
     */
    readonly activeCues: TextTrackCueList | null;
    /**
     * The **`cues`** read-only property of the TextTrack interface returns a TextTrackCueList object containing all of the track's cues.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/cues)
     */
    readonly cues: TextTrackCueList | null;
    /**
     * The **`id`** read-only property of the TextTrack interface returns the ID of the track if it has one.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/id)
     */
    readonly id: string;
    /**
     * The **`inBandMetadataTrackDispatchType`** read-only property of the TextTrack interface returns the text track's in-band metadata dispatch type of the text track represented by the TextTrack object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/inBandMetadataTrackDispatchType)
     */
    readonly inBandMetadataTrackDispatchType: string;
    /**
     * The **`kind`** read-only property of the TextTrack interface returns the kind of text track this object represents. This decides how the track will be handled by a user agent.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/kind)
     */
    readonly kind: TextTrackKind;
    /**
     * The **`label`** read-only property of the TextTrack interface returns a human-readable label for the text track, if it is available.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/label)
     */
    readonly label: string;
    /**
     * The **`language`** read-only property of the TextTrack interface returns the language of the text track.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/language)
     */
    readonly language: string;
    /**
     * The TextTrack interface's **`mode`** property is a string specifying and controlling the text track's mode: disabled, hidden, or showing. You can read this value to determine the current mode, and you can change this value to switch modes.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/mode)
     */
    mode: TextTrackMode;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/cuechange_event) */
    oncuechange: ((this: TextTrack, ev: Event) => any) | null;
    /**
     * The **`addCue()`** method of the TextTrack interface adds a new cue to the list of cues.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/addCue)
     */
    addCue(cue: TextTrackCue): void;
    /**
     * The **`removeCue()`** method of the TextTrack interface removes a cue from the list of cues.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrack/removeCue)
     */
    removeCue(cue: TextTrackCue): void;
    addEventListener<K extends keyof TextTrackEventMap>(type: K, listener: (this: TextTrack, ev: TextTrackEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof TextTrackEventMap>(type: K, listener: (this: TextTrack, ev: TextTrackEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var TextTrack: {
    prototype: TextTrack;
    new(): TextTrack;
};

interface TextTrackCueEventMap {
    "enter": Event;
    "exit": Event;
}

/**
 * The **`TextTrackCue`** interface of the WebVTT API is the abstract base class for the various derived cue types, such as VTTCue and DataCue; you will work with these derived types rather than the base class.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue)
 */
interface TextTrackCue extends EventTarget {
    /**
     * The **`endTime`** property of the TextTrackCue interface returns and sets the end time of the cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/endTime)
     */
    endTime: number;
    /**
     * The **`id`** property of the TextTrackCue interface returns and sets the identifier for this cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/id)
     */
    id: string;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/enter_event) */
    onenter: ((this: TextTrackCue, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/exit_event) */
    onexit: ((this: TextTrackCue, ev: Event) => any) | null;
    /**
     * The **`pauseOnExit`** property of the TextTrackCue interface returns or sets the flag indicating whether playback of the media should pause when the end of the range to which this cue applies is reached.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/pauseOnExit)
     */
    pauseOnExit: boolean;
    /**
     * The **`startTime`** property of the TextTrackCue interface returns and sets the start time of the cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/startTime)
     */
    startTime: number;
    /**
     * The **`track`** read-only property of the TextTrackCue interface returns the TextTrack object that this cue belongs to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCue/track)
     */
    readonly track: TextTrack | null;
    addEventListener<K extends keyof TextTrackCueEventMap>(type: K, listener: (this: TextTrackCue, ev: TextTrackCueEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof TextTrackCueEventMap>(type: K, listener: (this: TextTrackCue, ev: TextTrackCueEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var TextTrackCue: {
    prototype: TextTrackCue;
    new(): TextTrackCue;
};

/**
 * The **`TextTrackCueList`** interface of the WebVTT API is an array-like object that represents a dynamically updating list of TextTrackCue objects.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCueList)
 */
interface TextTrackCueList {
    /**
     * The **`length`** read-only property of the TextTrackCueList interface returns the number of cues in the list.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCueList/length)
     */
    readonly length: number;
    /**
     * The **`getCueById()`** method of the TextTrackCueList interface returns the first VTTCue in the list represented by the TextTrackCueList object whose identifier matches the value of id.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackCueList/getCueById)
     */
    getCueById(id: string): TextTrackCue | null;
    [index: number]: TextTrackCue;
}

declare var TextTrackCueList: {
    prototype: TextTrackCueList;
    new(): TextTrackCueList;
};

interface TextTrackListEventMap {
    "addtrack": TrackEvent;
    "change": Event;
    "removetrack": TrackEvent;
}

/**
 * The **`TextTrackList`** interface is used to represent a list of the text tracks defined for the associated video or audio element, with each track represented by a separate TextTrack object in the list.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList)
 */
interface TextTrackList extends EventTarget {
    /**
     * The read-only TextTrackList property **`length`** returns the number of entries in the TextTrackList, each of which is a TextTrack representing one track in the media element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList/length)
     */
    readonly length: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList/addtrack_event) */
    onaddtrack: ((this: TextTrackList, ev: TrackEvent) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList/change_event) */
    onchange: ((this: TextTrackList, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList/removetrack_event) */
    onremovetrack: ((this: TextTrackList, ev: TrackEvent) => any) | null;
    /**
     * The TextTrackList method **`getTrackById()`** returns the first TextTrack object from the track list whose id matches the specified string. This lets you find a specified track if you know its ID string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextTrackList/getTrackById)
     */
    getTrackById(id: string): TextTrack | null;
    addEventListener<K extends keyof TextTrackListEventMap>(type: K, listener: (this: TextTrackList, ev: TextTrackListEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof TextTrackListEventMap>(type: K, listener: (this: TextTrackList, ev: TextTrackListEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
    [index: number]: TextTrack;
}

declare var TextTrackList: {
    prototype: TextTrackList;
    new(): TextTrackList;
};

/**
 * When loading a media resource for use by an <audio> or <video> element, the **`TimeRanges`** interface is used for representing the time ranges of the media resource that have been buffered, the time ranges that have been played, and the time ranges that are seekable.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TimeRanges)
 */
interface TimeRanges {
    /**
     * The **`TimeRanges.length`** read-only property returns the number of ranges in the object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TimeRanges/length)
     */
    readonly length: number;
    /**
     * The **`end()`** method of the TimeRanges interface returns the time offset (in seconds) at which a specified time range ends.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TimeRanges/end)
     */
    end(index: number): number;
    /**
     * The **`start()`** method of the TimeRanges interface returns the time offset (in seconds) at which a specified time range begins.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TimeRanges/start)
     */
    start(index: number): number;
}

declare var TimeRanges: {
    prototype: TimeRanges;
    new(): TimeRanges;
};

/**
 * The **`ToggleEvent`** interface represents an event that fires when a popover element is toggled between being shown and hidden.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ToggleEvent)
 */
interface ToggleEvent extends Event {
    /**
     * The **`newState`** read-only property of the ToggleEvent interface is a string representing the state the element is transitioning to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ToggleEvent/newState)
     */
    readonly newState: string;
    /**
     * The **`oldState`** read-only property of the ToggleEvent interface is a string representing the state the element is transitioning from.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ToggleEvent/oldState)
     */
    readonly oldState: string;
    /**
     * The **`source`** read-only property of the ToggleEvent interface is an Element object instance representing the HTML popover control element that initiated the toggle.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ToggleEvent/source)
     */
    readonly source: Element | null;
}

declare var ToggleEvent: {
    prototype: ToggleEvent;
    new(type: string, eventInitDict?: ToggleEventInit): ToggleEvent;
};

/**
 * The **`Touch`** interface represents a single contact point on a touch-sensitive device. The contact point is commonly a finger or stylus and the device may be a touchscreen or trackpad.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch)
 */
interface Touch {
    /**
     * The **`Touch.clientX`** read-only property returns the X coordinate of the touch point relative to the viewport, not including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/clientX)
     */
    readonly clientX: number;
    /**
     * The **`Touch.clientY`** read-only property returns the Y coordinate of the touch point relative to the browser's viewport, not including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/clientY)
     */
    readonly clientY: number;
    /**
     * The **`Touch.force`** read-only property returns the amount of pressure the user is applying to the touch surface for a Touch point.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/force)
     */
    readonly force: number;
    /**
     * The **`Touch.identifier`** returns a value uniquely identifying this point of contact with the touch surface. This value remains consistent for every event involving this finger's (or stylus's) movement on the surface until it is lifted off the surface.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/identifier)
     */
    readonly identifier: number;
    /**
     * The **`Touch.pageX`** read-only property returns the X coordinate of the touch point relative to the viewport, including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/pageX)
     */
    readonly pageX: number;
    /**
     * The **`Touch.pageY`** read-only property returns the Y coordinate of the touch point relative to the viewport, including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/pageY)
     */
    readonly pageY: number;
    /**
     * The **`radiusX`** read-only property of the Touch interface returns the X radius of the ellipse that most closely circumscribes the area of contact with the touch surface. The value is in CSS pixels of the same scale as Touch.screenX.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/radiusX)
     */
    readonly radiusX: number;
    /**
     * The **`radiusY`** read-only property of the Touch interface returns the Y radius of the ellipse that most closely circumscribes the area of contact with the touch surface. The value is in CSS pixels of the same scale as Touch.screenX.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/radiusY)
     */
    readonly radiusY: number;
    /**
     * The **`rotationAngle`** read-only property of the Touch interface returns the rotation angle, in degrees, of the contact area ellipse defined by Touch.radiusX and Touch.radiusY. The value may be between 0 and 90. Together, these three values describe an ellipse that approximates the size and shape of the area of contact between the user and the screen. This may be a relatively large ellipse representing the contact between a fingertip and the screen or a small area representing the tip of a stylus, for example.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/rotationAngle)
     */
    readonly rotationAngle: number;
    /**
     * Returns the X coordinate of the touch point relative to the screen, not including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/screenX)
     */
    readonly screenX: number;
    /**
     * Returns the Y coordinate of the touch point relative to the screen, not including any scroll offset.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/screenY)
     */
    readonly screenY: number;
    /**
     * The read-only **`target`** property of the Touch interface returns the (EventTarget) on which the touch contact started when it was first placed on the surface, even if the touch point has since moved outside the interactive area of that element or even been removed from the document. Note that if the target element is removed from the document, events will still be targeted at it, and hence won't necessarily bubble up to the window or document anymore. If there is any risk of an element being removed while it is being touched, the best practice is to attach the touch listeners directly to the target.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Touch/target)
     */
    readonly target: EventTarget;
}

declare var Touch: {
    prototype: Touch;
    new(touchInitDict: TouchInit): Touch;
};

/**
 * The **`TouchEvent`** interface represents an UIEvent which is sent when the state of contacts with a touch-sensitive surface changes. This surface can be a touch screen or trackpad, for example. The event can describe one or more points of contact with the screen and includes support for detecting movement, addition and removal of contact points, and so forth.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent)
 */
interface TouchEvent extends UIEvent {
    /**
     * The read-only **`altKey`** property of the TouchEvent interface returns a boolean value indicating whether or not the alt (Alternate) key is enabled when the touch event is created. If the alt key is enabled, the attribute's value is true. Otherwise, it is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/altKey)
     */
    readonly altKey: boolean;
    /**
     * The **`changedTouches`** read-only property is a TouchList whose touch points (Touch objects) varies depending on the event type, as follows:
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/changedTouches)
     */
    readonly changedTouches: TouchList;
    /**
     * The read-only **`ctrlKey`** property of the TouchEvent interface returns a boolean value indicating whether the control (Control) key is enabled when the touch event is created. If this key is enabled, the attribute's value is true. Otherwise, it is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/ctrlKey)
     */
    readonly ctrlKey: boolean;
    /**
     * The read-only **`metaKey`** property of the TouchEvent interface returns a boolean value indicating whether or not the Meta key is enabled when the touch event is created. If this key is enabled, the attribute's value is true. Otherwise, it is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/metaKey)
     */
    readonly metaKey: boolean;
    /**
     * The read-only **`shiftKey`** property of the TouchEvent interface returns a boolean value indicating whether or not the shift key is enabled when the touch event is created. If this key is enabled, the attribute's value is true. Otherwise, it is false.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/shiftKey)
     */
    readonly shiftKey: boolean;
    /**
     * The **`targetTouches`** read-only property is a TouchList listing all the Touch objects for touch points that are still in contact with the touch surface and whose touchstart event occurred inside the same target element as the current target element.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/targetTouches)
     */
    readonly targetTouches: TouchList;
    /**
     * **`touches`** is a read-only TouchList listing all the Touch objects for touch points that are currently in contact with the touch surface, regardless of whether or not they've changed or what their target element was at touchstart time.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchEvent/touches)
     */
    readonly touches: TouchList;
}

declare var TouchEvent: {
    prototype: TouchEvent;
    new(type: string, eventInitDict?: TouchEventInit): TouchEvent;
};

/**
 * The **`TouchList`** interface represents a list of contact points on a touch surface. For example, if the user has three fingers on the touch surface (such as a screen or trackpad), the corresponding TouchList object would have one Touch object for each finger, for a total of three entries.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchList)
 */
interface TouchList {
    /**
     * The **`length`** read-only property indicates the number of items (touch points) in a given TouchList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchList/length)
     */
    readonly length: number;
    /**
     * The **`item()`** method returns the Touch object at the specified index in the TouchList.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TouchList/item)
     */
    item(index: number): Touch | null;
    [index: number]: Touch;
}

declare var TouchList: {
    prototype: TouchList;
    new(): TouchList;
};

/**
 * The **`TrackEvent`** interface of the HTML DOM API is used for events which represent changes to a set of available tracks on an HTML media element; these events are addtrack and removetrack.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TrackEvent)
 */
interface TrackEvent extends Event {
    /**
     * The read-only **`track`** property of the TrackEvent interface specifies the media track object to which the event applies.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TrackEvent/track)
     */
    readonly track: TextTrack | null;
}

declare var TrackEvent: {
    prototype: TrackEvent;
    new(type: string, eventInitDict?: TrackEventInit): TrackEvent;
};

/**
 * The **`TransformStream`** interface of the Streams API represents a concrete implementation of the pipe chain transform stream concept.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStream)
 */
interface TransformStream<I = any, O = any> {
    /**
     * The **`readable`** read-only property of the TransformStream interface returns the ReadableStream instance controlled by this TransformStream. This stream emits the transformed output data.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStream/readable)
     */
    readonly readable: ReadableStream<O>;
    /**
     * The **`writable`** read-only property of the TransformStream interface returns the WritableStream instance controlled by this TransformStream. This stream accepts input data that will be transformed and emitted to the readable stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStream/writable)
     */
    readonly writable: WritableStream<I>;
}

declare var TransformStream: {
    prototype: TransformStream;
    new<I = any, O = any>(transformer?: Transformer<I, O>, writableStrategy?: QueuingStrategy<I>, readableStrategy?: QueuingStrategy<O>): TransformStream<I, O>;
};

/**
 * The **`TransformStreamDefaultController`** interface of the Streams API provides methods to manipulate the associated ReadableStream and WritableStream.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController)
 */
interface TransformStreamDefaultController<O = any> {
    /**
     * The **`desiredSize`** read-only property of the TransformStreamDefaultController interface returns the desired size to fill the queue of the associated ReadableStream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/desiredSize)
     */
    readonly desiredSize: number | null;
    /**
     * The **`enqueue()`** method of the TransformStreamDefaultController interface enqueues the given chunk in the readable side of the stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/enqueue)
     */
    enqueue(chunk?: O): void;
    /**
     * The **`error()`** method of the TransformStreamDefaultController interface errors both sides of the stream. Any further interactions with it will fail with the given error message, and any chunks in the queue will be discarded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/error)
     */
    error(reason?: any): void;
    /**
     * The **`terminate()`** method of the TransformStreamDefaultController interface closes the readable side and errors the writable side of the stream.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransformStreamDefaultController/terminate)
     */
    terminate(): void;
}

declare var TransformStreamDefaultController: {
    prototype: TransformStreamDefaultController;
    new(): TransformStreamDefaultController;
};

/**
 * The **`TransitionEvent`** interface represents events providing information related to transitions.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransitionEvent)
 */
interface TransitionEvent extends Event {
    /**
     * The **`TransitionEvent.elapsedTime`** read-only property is a float giving the amount of time the animation has been running, in seconds, when this event fired. This value is not affected by the transition-delay property.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransitionEvent/elapsedTime)
     */
    readonly elapsedTime: number;
    /**
     * The **`propertyName`** read-only property of TransitionEvent objects is a string containing the name of the CSS property associated with the transition.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransitionEvent/propertyName)
     */
    readonly propertyName: string;
    /**
     * The **`TransitionEvent.pseudoElement`** read-only property is a string, starting with '::', containing the name of the pseudo-element the animation runs on. If the transition doesn't run on a pseudo-element but on the element, an empty string: "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TransitionEvent/pseudoElement)
     */
    readonly pseudoElement: string;
}

declare var TransitionEvent: {
    prototype: TransitionEvent;
    new(type: string, transitionEventInitDict?: TransitionEventInit): TransitionEvent;
};

/**
 * The **`TreeWalker`** object represents the nodes of a document subtree and a position within them.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker)
 */
interface TreeWalker {
    /**
     * The **`TreeWalker.currentNode`** property represents the Node which the TreeWalker is currently pointing at.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/currentNode)
     */
    currentNode: Node;
    /**
     * The **`TreeWalker.filter`** read-only property returns the NodeFilter associated with the TreeWalker.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/filter)
     */
    readonly filter: NodeFilter | null;
    /**
     * The **`TreeWalker.root`** read-only property returns the root Node that the TreeWalker traverses.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/root)
     */
    readonly root: Node;
    /**
     * The **`TreeWalker.whatToShow`** read-only property returns a bitmask that indicates the types of nodes to show. Non-matching nodes are skipped, but their children may be included, if relevant.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/whatToShow)
     */
    readonly whatToShow: number;
    /**
     * The **`TreeWalker.firstChild()`** method moves the current Node to the first visible child of the current node, and returns the found child. If no such child exists, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/firstChild)
     */
    firstChild(): Node | null;
    /**
     * The **`TreeWalker.lastChild()`** method moves the current Node to the last visible child of the current node, and returns the found child. If no such child exists, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/lastChild)
     */
    lastChild(): Node | null;
    /**
     * The **`TreeWalker.nextNode()`** method moves the current Node to the next visible node in the document order, and returns the found node. If no such node exists, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/nextNode)
     */
    nextNode(): Node | null;
    /**
     * The **`TreeWalker.nextSibling()`** method moves the current Node to its next sibling, if any, and returns the found sibling. If there is no such node, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/nextSibling)
     */
    nextSibling(): Node | null;
    /**
     * The **`TreeWalker.parentNode()`** method moves the current Node to the first visible ancestor node in the document order, and returns the found node. If no such node exists, or if it is above the TreeWalker's root node, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/parentNode)
     */
    parentNode(): Node | null;
    /**
     * The **`TreeWalker.previousNode()`** method moves the current Node to the previous visible node in the document order, and returns the found node. If no such node exists, or if it is before that the root node defined at the object construction, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/previousNode)
     */
    previousNode(): Node | null;
    /**
     * The **`TreeWalker.previousSibling()`** method moves the current Node to its previous sibling, if any, and returns the found sibling. If there is no such node, it returns null and the current node is not changed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TreeWalker/previousSibling)
     */
    previousSibling(): Node | null;
}

declare var TreeWalker: {
    prototype: TreeWalker;
    new(): TreeWalker;
};

/**
 * The **`UIEvent`** interface represents simple user interface events. It is part of the UI Events API, which includes various event types and interfaces related to user interactions.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UIEvent)
 */
interface UIEvent extends Event {
    /**
     * The **`UIEvent.detail`** read-only property, when non-zero, provides the current (or next, depending on the event) click count.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UIEvent/detail)
     */
    readonly detail: number;
    /**
     * The **`UIEvent.view`** read-only property returns the WindowProxy object from which the event was generated. In browsers, this is the Window object the event happened in.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UIEvent/view)
     */
    readonly view: Window | null;
    /**
     * The **`UIEvent.which`** read-only property of the UIEvent interface returns a number that indicates which button was pressed on the mouse, or the numeric keyCode or the character code (charCode) of the key pressed on the keyboard.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UIEvent/which)
     */
    readonly which: number;
    /**
     * The **`UIEvent.initUIEvent()`** method initializes a UI event once it's been created.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UIEvent/initUIEvent)
     */
    initUIEvent(typeArg: string, bubblesArg?: boolean, cancelableArg?: boolean, viewArg?: Window | null, detailArg?: number): void;
}

declare var UIEvent: {
    prototype: UIEvent;
    new(type: string, eventInitDict?: UIEventInit): UIEvent;
};

/**
 * The **`URL`** interface is used to parse, construct, normalize, and encode URLs. It works by providing properties which allow you to easily read and modify the components of a URL.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL)
 */
interface URL {
    /**
     * The **`hash`** property of the URL interface is a string containing a "#" followed by the fragment identifier of the URL. If the URL does not have a fragment identifier, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/hash)
     */
    hash: string;
    /**
     * The **`host`** property of the URL interface is a string containing the host, which is the hostname, and then, if the port of the URL is nonempty, a ":", followed by the port of the URL. If the URL does not have a hostname, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/host)
     */
    host: string;
    /**
     * The **`hostname`** property of the URL interface is a string containing either the domain name or IP address of the URL. If the URL does not have a hostname, this property contains an empty string, "". IPv4 and IPv6 addresses are normalized, such as stripping leading zeros, and domain names are converted to IDN.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/hostname)
     */
    hostname: string;
    /**
     * The **`href`** property of the URL interface is a string containing the whole URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/href)
     */
    href: string;
    toString(): string;
    /**
     * The **`origin`** read-only property of the URL interface returns a string containing the Unicode serialization of the origin of the represented URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/origin)
     */
    readonly origin: string;
    /**
     * The **`password`** property of the URL interface is a string containing the password component of the URL. If the URL does not have a password, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/password)
     */
    password: string;
    /**
     * The **`pathname`** property of the URL interface represents a location in a hierarchical structure. It is a string constructed from a list of path segments, each of which is prefixed by a / character.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/pathname)
     */
    pathname: string;
    /**
     * The **`port`** property of the URL interface is a string containing the port number of the URL. If the port is the default for the protocol (80 for ws: and http:, 443 for wss: and https:, and 21 for ftp:), this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/port)
     */
    port: string;
    /**
     * The **`protocol`** property of the URL interface is a string containing the protocol or scheme of the URL, including the final ":".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/protocol)
     */
    protocol: string;
    /**
     * The **`search`** property of the URL interface is a search string, also called a query string, that is a string containing a "?" followed by the parameters of the URL. If the URL does not have a search query, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/search)
     */
    search: string;
    /**
     * The **`searchParams`** read-only property of the URL interface returns a URLSearchParams object allowing access to the GET decoded query arguments contained in the URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/searchParams)
     */
    readonly searchParams: URLSearchParams;
    /**
     * The **`username`** property of the URL interface is a string containing the username component of the URL. If the URL does not have a username, this property contains an empty string, "".
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/username)
     */
    username: string;
    /**
     * The **`toJSON()`** method of the URL interface returns a string containing a serialized version of the URL, although in practice it seems to have the same effect as URL.toString().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/toJSON)
     */
    toJSON(): string;
}

declare var URL: {
    prototype: URL;
    new(url: string | URL, base?: string | URL): URL;
    /**
     * The **`URL.canParse()`** static method of the URL interface returns a boolean indicating whether or not an absolute URL, or a relative URL combined with a base URL, are parsable and valid.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/canParse_static)
     */
    canParse(url: string | URL, base?: string | URL): boolean;
    /**
     * The **`createObjectURL()`** static method of the URL interface creates a string containing a blob URL pointing to the object given in the parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/createObjectURL_static)
     */
    createObjectURL(obj: Blob | MediaSource): string;
    /**
     * The **`URL.parse()`** static method of the URL interface returns a newly created URL object representing the URL defined by the parameters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/parse_static)
     */
    parse(url: string | URL, base?: string | URL): URL | null;
    /**
     * The **`revokeObjectURL()`** static method of the URL interface releases an existing object URL which was previously created by calling URL.createObjectURL().
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URL/revokeObjectURL_static)
     */
    revokeObjectURL(url: string): void;
};

type webkitURL = URL;
declare var webkitURL: typeof URL;

/**
 * The **`URLPattern`** interface of the URL Pattern API matches URLs or parts of URLs against a pattern. The pattern can contain capturing groups that extract parts of the matched URL.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern)
 */
interface URLPattern {
    /**
     * The **`hasRegExpGroups`** read-only property of the URLPattern interface is a boolean indicating whether or not any of the URLPattern components contain regular expression capturing groups.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/hasRegExpGroups)
     */
    readonly hasRegExpGroups: boolean;
    /**
     * The **`hash`** read-only property of the URLPattern interface is a string containing the pattern used to match the fragment part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/hash)
     */
    readonly hash: string;
    /**
     * The **`hostname`** read-only property of the URLPattern interface is a string containing the pattern used to match the hostname part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/hostname)
     */
    readonly hostname: string;
    /**
     * The **`password`** read-only property of the URLPattern interface is a string containing the pattern used to match the password part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/password)
     */
    readonly password: string;
    /**
     * The **`pathname`** read-only property of the URLPattern interface is a string containing the pattern used to match the pathname part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/pathname)
     */
    readonly pathname: string;
    /**
     * The **`port`** read-only property of the URLPattern interface is a string containing the pattern used to match the port part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/port)
     */
    readonly port: string;
    /**
     * The **`protocol`** read-only property of the URLPattern interface is a string containing the pattern used to match the protocol part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/protocol)
     */
    readonly protocol: string;
    /**
     * The **`search`** read-only property of the URLPattern interface is a string containing the pattern used to match the search part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/search)
     */
    readonly search: string;
    /**
     * The **`username`** read-only property of the URLPattern interface is a string containing the pattern used to match the username part of a URL.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/username)
     */
    readonly username: string;
    /**
     * The **`exec()`** method of the URLPattern interface takes a URL or object of URL parts, and returns either an object containing the results of matching the URL to the pattern, or null if the URL does not match the pattern.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/exec)
     */
    exec(input?: URLPatternInput, baseURL?: string | URL): URLPatternResult | null;
    /**
     * The **`test()`** method of the URLPattern interface takes a URL string or object of URL parts, and returns a boolean indicating if the given input matches the current pattern.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLPattern/test)
     */
    test(input?: URLPatternInput, baseURL?: string | URL): boolean;
}

declare var URLPattern: {
    prototype: URLPattern;
    new(input: URLPatternInput, baseURL: string | URL, options?: URLPatternOptions): URLPattern;
    new(input?: URLPatternInput, options?: URLPatternOptions): URLPattern;
};

/**
 * The **`URLSearchParams`** interface defines utility methods to work with the query string of a URL.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams)
 */
interface URLSearchParams {
    /**
     * The **`size`** read-only property of the URLSearchParams interface indicates the total number of search parameter entries.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/size)
     */
    readonly size: number;
    /**
     * The **`append()`** method of the URLSearchParams interface appends a specified key/value pair as a new search parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/append)
     */
    append(name: string, value: string): void;
    /**
     * The **`delete()`** method of the URLSearchParams interface deletes specified parameters and their associated value(s) from the list of all search parameters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/delete)
     */
    delete(name: string, value?: string): void;
    /**
     * The **`get()`** method of the URLSearchParams interface returns the first value associated to the given search parameter.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/get)
     */
    get(name: string): string | null;
    /**
     * The **`getAll()`** method of the URLSearchParams interface returns all the values associated with a given search parameter as an array.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/getAll)
     */
    getAll(name: string): string[];
    /**
     * The **`has()`** method of the URLSearchParams interface returns a boolean value that indicates whether the specified parameter is in the search parameters.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/has)
     */
    has(name: string, value?: string): boolean;
    /**
     * The **`set()`** method of the URLSearchParams interface sets the value associated with a given search parameter to the given value. If there were several matching values, this method deletes the others. If the search parameter doesn't exist, this method creates it.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/set)
     */
    set(name: string, value: string): void;
    /**
     * The **`URLSearchParams.sort()`** method sorts all key/value pairs contained in this object in place and returns undefined. Key/value pairs are sorted by the values of the UTF-16 code units of the keys. This method uses a stable sorting algorithm (i.e., the relative order between key/value pairs with equal keys will be preserved).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/URLSearchParams/sort)
     */
    sort(): void;
    toString(): string;
    forEach(callbackfn: (value: string, key: string, parent: URLSearchParams) => void, thisArg?: any): void;
}

declare var URLSearchParams: {
    prototype: URLSearchParams;
    new(init?: string[][] | Record<string, string> | string | URLSearchParams): URLSearchParams;
};

/**
 * The **`UserActivation`** interface provides information about whether a user is currently interacting with the page, or has completed an interaction since page load.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UserActivation)
 */
interface UserActivation {
    /**
     * The read-only **`hasBeenActive`** property of the UserActivation interface indicates whether the current window has sticky user activation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UserActivation/hasBeenActive)
     */
    readonly hasBeenActive: boolean;
    /**
     * The read-only **`isActive`** property of the UserActivation interface indicates whether the current window has transient user activation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/UserActivation/isActive)
     */
    readonly isActive: boolean;
}

declare var UserActivation: {
    prototype: UserActivation;
    new(): UserActivation;
};

/**
 * The **`VTTCue`** interface of the WebVTT API represents a cue that can be added to the text track associated with a particular video (or other media).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue)
 */
interface VTTCue extends TextTrackCue {
    /**
     * The **`align`** property of the VTTCue interface represents the alignment of all of the lines of text in the text box.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/align)
     */
    align: AlignSetting;
    /**
     * The **`line`** property of the VTTCue interface represents the cue line of this WebVTT cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/line)
     */
    line: LineAndPositionSetting;
    /**
     * The **`lineAlign`** property of the VTTCue interface represents the alignment of this VTT cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/lineAlign)
     */
    lineAlign: LineAlignSetting;
    /**
     * The **`position`** property of the VTTCue interface represents the indentation of the cue within the line.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/position)
     */
    position: LineAndPositionSetting;
    /**
     * The **`positionAlign`** property of the VTTCue interface is used to determine what VTTCue.position is anchored to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/positionAlign)
     */
    positionAlign: PositionAlignSetting;
    /**
     * The **`region`** property of the VTTCue interface returns and sets the VTTRegion that this cue belongs to.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/region)
     */
    region: VTTRegion | null;
    /**
     * The **`size`** property of the VTTCue interface represents the size of the cue as a percentage of the video size.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/size)
     */
    size: number;
    /**
     * The **`snapToLines`** property of the VTTCue interface is a Boolean indicating if the VTTCue.line property is an integer number of lines, or a percentage of the video size.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/snapToLines)
     */
    snapToLines: boolean;
    /**
     * The **`text`** property of the VTTCue interface represents the text contents of the cue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/text)
     */
    text: string;
    /**
     * The **`vertical`** property of the VTTCue interface is a string representing the cue's writing direction.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/vertical)
     */
    vertical: DirectionSetting;
    /**
     * The **`getCueAsHTML()`** method of the VTTCue interface returns a DocumentFragment containing the cue content.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTCue/getCueAsHTML)
     */
    getCueAsHTML(): DocumentFragment;
    addEventListener<K extends keyof TextTrackCueEventMap>(type: K, listener: (this: VTTCue, ev: TextTrackCueEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof TextTrackCueEventMap>(type: K, listener: (this: VTTCue, ev: TextTrackCueEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var VTTCue: {
    prototype: VTTCue;
    new(startTime: number, endTime: number, text: string): VTTCue;
};

/**
 * The **`VTTRegion`** interface of the WebVTT API describes a portion of the video to render a VTTCue onto.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VTTRegion)
 */
interface VTTRegion {
    id: string;
    lines: number;
    regionAnchorX: number;
    regionAnchorY: number;
    scroll: ScrollSetting;
    viewportAnchorX: number;
    viewportAnchorY: number;
    width: number;
}

declare var VTTRegion: {
    prototype: VTTRegion;
    new(): VTTRegion;
};

/**
 * The **`ValidityState`** interface represents the validity states that an element can be in, with respect to constraint validation. Together, they help explain why an element's value fails to validate, if it's not valid.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState)
 */
interface ValidityState {
    /**
     * The read-only **`badInput`** property of the ValidityState interface indicates if the user has provided input that the browser is unable to convert. For example, if you have a number input element whose content is a string.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/badInput)
     */
    readonly badInput: boolean;
    /**
     * The read-only **`customError`** property of the ValidityState interface returns true if an element doesn't meet the validation required in the custom validity set by the element's setCustomValidity() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/customError)
     */
    readonly customError: boolean;
    /**
     * The read-only **`patternMismatch`** property of the ValidityState interface indicates if the value of an <input>, after having been edited by the user, does not conform to the constraints set by the element's pattern attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/patternMismatch)
     */
    readonly patternMismatch: boolean;
    /**
     * The read-only **`rangeOverflow`** property of the ValidityState interface indicates if the value of an <input>, after having been edited by the user, does not conform to the constraints set by the element's max attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/rangeOverflow)
     */
    readonly rangeOverflow: boolean;
    /**
     * The read-only **`rangeUnderflow`** property of the ValidityState interface indicates if the value of an <input>, after having been edited by the user, does not conform to the constraints set by the element's min attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/rangeUnderflow)
     */
    readonly rangeUnderflow: boolean;
    /**
     * The read-only **`stepMismatch`** property of the ValidityState interface indicates if the value of an <input>, after having been edited by the user, does not conform to the constraints set by the element's step attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/stepMismatch)
     */
    readonly stepMismatch: boolean;
    /**
     * The read-only **`tooLong`** property of the ValidityState interface indicates if the value of an <input> or <textarea>, after having been edited by the user, exceeds the maximum code-unit length established by the element's maxlength attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/tooLong)
     */
    readonly tooLong: boolean;
    /**
     * The read-only **`tooShort`** property of the ValidityState interface indicates if the value of an <input>, <button>, <select>, <output>, <fieldset> or <textarea>, after having been edited by the user, is less than the minimum code-unit length established by the element's minlength attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/tooShort)
     */
    readonly tooShort: boolean;
    /**
     * The read-only **`typeMismatch`** property of the ValidityState interface indicates if the value of an <input>, after having been edited by the user, does not conform to the constraints set by the element's type attribute.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/typeMismatch)
     */
    readonly typeMismatch: boolean;
    /**
     * The read-only **`valid`** property of the ValidityState interface indicates if the value of an <input> element meets all its validation constraints, and is therefore considered to be valid.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/valid)
     */
    readonly valid: boolean;
    /**
     * The read-only **`valueMissing`** property of the ValidityState interface indicates if a required control, such as an <input>, <select>, or <textarea>, has an empty value.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/valueMissing)
     */
    readonly valueMissing: boolean;
}

declare var ValidityState: {
    prototype: ValidityState;
    new(): ValidityState;
};

/**
 * The **`VideoColorSpace`** interface of the WebCodecs API represents the color space of a video.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace)
 */
interface VideoColorSpace {
    /**
     * The **`fullRange`** read-only property of the VideoColorSpace interface returns true if full-range color values are used.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace/fullRange)
     */
    readonly fullRange: boolean | null;
    /**
     * The **`matrix`** read-only property of the VideoColorSpace interface returns the matrix coefficient of the video. Matrix coefficients describe the relationship between sample component values and color coordinates.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace/matrix)
     */
    readonly matrix: VideoMatrixCoefficients | null;
    /**
     * The **`primaries`** read-only property of the VideoColorSpace interface returns the color gamut of the video.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace/primaries)
     */
    readonly primaries: VideoColorPrimaries | null;
    /**
     * The **`transfer`** read-only property of the VideoColorSpace interface returns the opto-electronic transfer characteristics of the video.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace/transfer)
     */
    readonly transfer: VideoTransferCharacteristics | null;
    /**
     * The **`toJSON()`** method of the VideoColorSpace interface is a serializer that returns a JSON representation of the VideoColorSpace object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoColorSpace/toJSON)
     */
    toJSON(): VideoColorSpaceInit;
}

declare var VideoColorSpace: {
    prototype: VideoColorSpace;
    new(init?: VideoColorSpaceInit): VideoColorSpace;
};

interface VideoDecoderEventMap {
    "dequeue": Event;
}

/**
 * The **`VideoDecoder`** interface of the WebCodecs API decodes chunks of video.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder)
 */
interface VideoDecoder extends EventTarget {
    /**
     * The **`decodeQueueSize`** read-only property of the VideoDecoder interface returns the number of pending decode requests in the queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/decodeQueueSize)
     */
    readonly decodeQueueSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/dequeue_event) */
    ondequeue: ((this: VideoDecoder, ev: Event) => any) | null;
    /**
     * The **`state`** property of the VideoDecoder interface returns the current state of the underlying codec.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/state)
     */
    readonly state: CodecState;
    /**
     * The **`close()`** method of the VideoDecoder interface ends all pending work and releases system resources.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/close)
     */
    close(): void;
    /**
     * The **`configure()`** method of the VideoDecoder interface enqueues a control message to configure the video decoder for decoding chunks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/configure)
     */
    configure(config: VideoDecoderConfig): void;
    /**
     * The **`decode()`** method of the VideoDecoder interface enqueues a control message to decode a given chunk of video.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/decode)
     */
    decode(chunk: EncodedVideoChunk): void;
    /**
     * The **`flush()`** method of the VideoDecoder interface returns a Promise that resolves once all pending messages in the queue have been completed.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/flush)
     */
    flush(): Promise<void>;
    /**
     * The **`reset()`** method of the VideoDecoder interface resets all states including configuration, control messages in the control message queue, and all pending callbacks.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/reset)
     */
    reset(): void;
    addEventListener<K extends keyof VideoDecoderEventMap>(type: K, listener: (this: VideoDecoder, ev: VideoDecoderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof VideoDecoderEventMap>(type: K, listener: (this: VideoDecoder, ev: VideoDecoderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var VideoDecoder: {
    prototype: VideoDecoder;
    new(init: VideoDecoderInit): VideoDecoder;
    /**
     * The **`isConfigSupported()`** static method of the VideoDecoder interface checks if the given config is supported (that is, if VideoDecoder objects can be successfully configured with the given config).
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoDecoder/isConfigSupported_static)
     */
    isConfigSupported(config: VideoDecoderConfig): Promise<VideoDecoderSupport>;
};

interface VideoEncoderEventMap {
    "dequeue": Event;
}

/**
 * The **`VideoEncoder`** interface of the WebCodecs API encodes VideoFrame objects into EncodedVideoChunks.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder)
 */
interface VideoEncoder extends EventTarget {
    /**
     * The **`encodeQueueSize`** read-only property of the VideoEncoder interface returns the number of pending encode requests in the queue.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/encodeQueueSize)
     */
    readonly encodeQueueSize: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/dequeue_event) */
    ondequeue: ((this: VideoEncoder, ev: Event) => any) | null;
    /**
     * The **`state`** read-only property of the VideoEncoder interface returns the current state of the underlying codec.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/state)
     */
    readonly state: CodecState;
    /**
     * The **`close()`** method of the VideoEncoder interface ends all pending work and releases system resources.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/close)
     */
    close(): void;
    /**
     * The **`configure()`** method of the VideoEncoder interface changes the state of the encoder to "configured" and asynchronously prepares the encoder to accept VideoEncoders for encoding with the specified parameters. If the encoder doesn't support the specified parameters or can't be initialized for other reasons an error will be reported via the error callback provided to the VideoEncoder constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/configure)
     */
    configure(config: VideoEncoderConfig): void;
    /**
     * The **`encode()`** method of the VideoEncoder interface asynchronously encodes a VideoFrame. Encoded data (EncodedVideoChunk) or an error will eventually be returned via the callbacks provided to the VideoEncoder constructor.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/encode)
     */
    encode(frame: VideoFrame, options?: VideoEncoderEncodeOptions): void;
    /**
     * The **`flush()`** method of the VideoEncoder interface forces all pending encodes to complete.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/flush)
     */
    flush(): Promise<void>;
    /**
     * The **`reset()`** method of the VideoEncoder interface synchronously cancels all pending encodes and callbacks, frees all underlying resources and sets the state to "unconfigured". After calling reset(), configure() must be called before resuming encode() calls.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/reset)
     */
    reset(): void;
    addEventListener<K extends keyof VideoEncoderEventMap>(type: K, listener: (this: VideoEncoder, ev: VideoEncoderEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof VideoEncoderEventMap>(type: K, listener: (this: VideoEncoder, ev: VideoEncoderEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var VideoEncoder: {
    prototype: VideoEncoder;
    new(init: VideoEncoderInit): VideoEncoder;
    /**
     * The **`isConfigSupported()`** static method of the VideoEncoder interface checks if VideoEncoder can be successfully configured with the given config.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoEncoder/isConfigSupported_static)
     */
    isConfigSupported(config: VideoEncoderConfig): Promise<VideoEncoderSupport>;
};

/**
 * The **`VideoFrame`** interface of the Web Codecs API represents a frame of a video.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame)
 */
interface VideoFrame {
    /**
     * The **`codedHeight`** property of the VideoFrame interface returns the height of the VideoFrame in pixels, potentially including non-visible padding, and prior to considering potential ratio adjustments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/codedHeight)
     */
    readonly codedHeight: number;
    /**
     * The **`codedRect`** property of the VideoFrame interface returns a DOMRectReadOnly with the width and height matching VideoFrame.codedWidth and VideoFrame.codedHeight.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/codedRect)
     */
    readonly codedRect: DOMRectReadOnly | null;
    /**
     * The **`codedWidth`** property of the VideoFrame interface returns the width of the VideoFrame in pixels, potentially including non-visible padding, and prior to considering potential ratio adjustments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/codedWidth)
     */
    readonly codedWidth: number;
    /**
     * The **`colorSpace`** property of the VideoFrame interface returns a VideoColorSpace object representing the color space of the video.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/colorSpace)
     */
    readonly colorSpace: VideoColorSpace;
    /**
     * The **`displayHeight`** property of the VideoFrame interface returns the height of the VideoFrame after applying aspect ratio adjustments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/displayHeight)
     */
    readonly displayHeight: number;
    /**
     * The **`displayWidth`** property of the VideoFrame interface returns the width of the VideoFrame after applying aspect ratio adjustments.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/displayWidth)
     */
    readonly displayWidth: number;
    /**
     * The **`duration`** property of the VideoFrame interface returns an integer indicating the duration of the video in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/duration)
     */
    readonly duration: number | null;
    /**
     * The **`format`** property of the VideoFrame interface returns the pixel format of the VideoFrame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/format)
     */
    readonly format: VideoPixelFormat | null;
    /**
     * The **`timestamp`** property of the VideoFrame interface returns an integer indicating the timestamp of the video in microseconds.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/timestamp)
     */
    readonly timestamp: number;
    /**
     * The **`visibleRect`** property of the VideoFrame interface returns a DOMRectReadOnly describing the visible rectangle of pixels for this VideoFrame.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/visibleRect)
     */
    readonly visibleRect: DOMRectReadOnly | null;
    /**
     * The **`allocationSize()`** method of the VideoFrame interface returns the number of bytes required to hold the video as filtered by options passed into the method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/allocationSize)
     */
    allocationSize(options?: VideoFrameCopyToOptions): number;
    /**
     * The **`clone()`** method of the VideoFrame interface creates a new VideoFrame object referencing the same media resource as the original.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/clone)
     */
    clone(): VideoFrame;
    /**
     * The **`close()`** method of the VideoFrame interface clears all states and releases the reference to the media resource.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/close)
     */
    close(): void;
    /**
     * The **`copyTo()`** method of the VideoFrame interface copies the contents of the VideoFrame to an ArrayBuffer.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoFrame/copyTo)
     */
    copyTo(destination: AllowSharedBufferSource, options?: VideoFrameCopyToOptions): Promise<PlaneLayout[]>;
}

declare var VideoFrame: {
    prototype: VideoFrame;
    new(image: CanvasImageSource, init?: VideoFrameInit): VideoFrame;
    new(data: AllowSharedBufferSource, init: VideoFrameBufferInit): VideoFrame;
};

/**
 * A **`VideoPlaybackQuality`** object is returned by the HTMLVideoElement.getVideoPlaybackQuality() method and contains metrics that can be used to determine the playback quality of a video.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoPlaybackQuality)
 */
interface VideoPlaybackQuality {
    /**
     * The VideoPlaybackQuality interface's read-only **`corruptedVideoFrames`** property the number of corrupted video frames that have been received since the <video> element was last loaded or reloaded.
     * @deprecated
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoPlaybackQuality/corruptedVideoFrames)
     */
    readonly corruptedVideoFrames: number;
    /**
     * The read-only **`creationTime`** property on the VideoPlaybackQuality interface reports the number of milliseconds since the browsing context was created this quality sample was recorded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoPlaybackQuality/creationTime)
     */
    readonly creationTime: DOMHighResTimeStamp;
    /**
     * The read-only **`droppedVideoFrames`** property of the VideoPlaybackQuality interface returns the number of video frames which have been dropped rather than being displayed since the last time the media was loaded into the HTMLVideoElement.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoPlaybackQuality/droppedVideoFrames)
     */
    readonly droppedVideoFrames: number;
    /**
     * The VideoPlaybackQuality interface's **`totalVideoFrames`** read-only property returns the total number of video frames that have been displayed or dropped since the media was loaded.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VideoPlaybackQuality/totalVideoFrames)
     */
    readonly totalVideoFrames: number;
}

declare var VideoPlaybackQuality: {
    prototype: VideoPlaybackQuality;
    new(): VideoPlaybackQuality;
};

/**
 * The **`ViewTimeline`** interface of the Web Animations API represents a view progress timeline (see CSS scroll-driven animations for more details).
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTimeline)
 */
interface ViewTimeline extends ScrollTimeline {
    /**
     * The **`endOffset`** read-only property of the ViewTimeline interface returns a CSSNumericValue representing the ending (100% progress) scroll position of the timeline as an offset from the start of the overflowing section of content in the scroller.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTimeline/endOffset)
     */
    readonly endOffset: CSSNumericValue;
    /**
     * The **`startOffset`** read-only property of the ViewTimeline interface returns a CSSNumericValue representing the starting (0% progress) scroll position of the timeline as an offset from the start of the overflowing section of content in the scroller.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTimeline/startOffset)
     */
    readonly startOffset: CSSNumericValue;
    /**
     * The **`subject`** read-only property of the ViewTimeline interface returns a reference to the subject element whose visibility within its nearest ancestor scrollable element (scroller) is driving the progress of the timeline.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTimeline/subject)
     */
    readonly subject: Element;
}

declare var ViewTimeline: {
    prototype: ViewTimeline;
    new(options?: ViewTimelineOptions): ViewTimeline;
};

/**
 * The **`ViewTransition`** interface of the View Transition API represents an active view transition, and provides functionality to react to the transition reaching different states (e.g., ready to run the animation, or animation finished) or skip the transition altogether.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition)
 */
interface ViewTransition {
    /**
     * The **`finished`** read-only property of the ViewTransition interface is a Promise that fulfills once the transition animation is finished, and the new page view is visible and interactive to the user.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition/finished)
     */
    readonly finished: Promise<void>;
    /**
     * The **`ready`** read-only property of the ViewTransition interface is a Promise that fulfills once the pseudo-element tree is created and the transition animation is about to start.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition/ready)
     */
    readonly ready: Promise<void>;
    /**
     * The **`types`** read-only property of the ViewTransition interface is a ViewTransitionTypeSet that allows the types set on the view transition to be accessed and modified.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition/types)
     */
    readonly types: ViewTransitionTypeSet;
    /**
     * The **`updateCallbackDone`** read-only property of the ViewTransition interface is a Promise that fulfills when the promise returned by the document.startViewTransition() method's callback fulfills, or rejects when it rejects.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition/updateCallbackDone)
     */
    readonly updateCallbackDone: Promise<void>;
    /**
     * The **`skipTransition()`** method of the ViewTransition interface skips the animation part of the view transition, but doesn't skip running the associated view update.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransition/skipTransition)
     */
    skipTransition(): void;
}

declare var ViewTransition: {
    prototype: ViewTransition;
    new(): ViewTransition;
};

/**
 * The **`ViewTransitionTypeSet`** interface of the View Transition API is a set-like object representing the types of an active view transition. This enables the types to be queried or modified on-the-fly during a transition.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ViewTransitionTypeSet)
 */
interface ViewTransitionTypeSet {
    forEach(callbackfn: (value: string, key: string, parent: ViewTransitionTypeSet) => void, thisArg?: any): void;
}

declare var ViewTransitionTypeSet: {
    prototype: ViewTransitionTypeSet;
    new(): ViewTransitionTypeSet;
};

interface VisualViewportEventMap {
    "resize": Event;
    "scroll": Event;
}

/**
 * The **`VisualViewport`** interface of the CSSOM view API represents the visual viewport for a given window. For a page containing iframes, each iframe, as well as the containing page, will have a unique window object. Each window on a page will have a unique VisualViewport representing the properties associated with that window.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport)
 */
interface VisualViewport extends EventTarget {
    /**
     * The **`height`** read-only property of the VisualViewport interface returns the height of the visual viewport, in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/height)
     */
    readonly height: number;
    /**
     * The **`offsetLeft`** read-only property of the VisualViewport interface returns the offset of the left edge of the visual viewport from the left edge of the layout viewport in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/offsetLeft)
     */
    readonly offsetLeft: number;
    /**
     * The **`offsetTop`** read-only property of the VisualViewport interface returns the offset of the top edge of the visual viewport from the top edge of the layout viewport in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/offsetTop)
     */
    readonly offsetTop: number;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/resize_event) */
    onresize: ((this: VisualViewport, ev: Event) => any) | null;
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/scroll_event) */
    onscroll: ((this: VisualViewport, ev: Event) => any) | null;
    /**
     * The **`pageLeft`** read-only property of the VisualViewport interface returns the x coordinate of the left edge of the visual viewport relative to the initial containing block origin, in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/pageLeft)
     */
    readonly pageLeft: number;
    /**
     * The **`pageTop`** read-only property of the VisualViewport interface returns the y coordinate of the top edge of the visual viewport relative to the initial containing block origin, in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/pageTop)
     */
    readonly pageTop: number;
    /**
     * The **`scale`** read-only property of the VisualViewport interface returns the pinch-zoom scaling factor applied to the visual viewport, or 0 if current document is not fully active, or 1 if there is no output device.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/scale)
     */
    readonly scale: number;
    /**
     * The **`width`** read-only property of the VisualViewport interface returns the width of the visual viewport, in CSS pixels, or 0 if current document is not fully active.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/VisualViewport/width)
     */
    readonly width: number;
    addEventListener<K extends keyof VisualViewportEventMap>(type: K, listener: (this: VisualViewport, ev: VisualViewportEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof VisualViewportEventMap>(type: K, listener: (this: VisualViewport, ev: VisualViewportEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var VisualViewport: {
    prototype: VisualViewport;
    new(): VisualViewport;
};

/**
 * The **`WEBGL_color_buffer_float`** extension is part of the WebGL API and adds the ability to render to 32-bit floating-point color buffers.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_color_buffer_float)
 */
interface WEBGL_color_buffer_float {
    readonly RGBA32F_EXT: 0x8814;
    readonly FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT: 0x8211;
    readonly UNSIGNED_NORMALIZED_EXT: 0x8C17;
}

/**
 * The **`WEBGL_compressed_texture_astc`** extension is part of the WebGL API and exposes Adaptive Scalable Texture Compression (ASTC) compressed texture formats to WebGL.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_astc)
 */
interface WEBGL_compressed_texture_astc {
    /**
     * The **`WEBGL_compressed_texture_astc.getSupportedProfiles()`** method returns an array of strings containing the names of the ASTC profiles supported by the implementation.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_astc/getSupportedProfiles)
     */
    getSupportedProfiles(): string[];
    readonly COMPRESSED_RGBA_ASTC_4x4_KHR: 0x93B0;
    readonly COMPRESSED_RGBA_ASTC_5x4_KHR: 0x93B1;
    readonly COMPRESSED_RGBA_ASTC_5x5_KHR: 0x93B2;
    readonly COMPRESSED_RGBA_ASTC_6x5_KHR: 0x93B3;
    readonly COMPRESSED_RGBA_ASTC_6x6_KHR: 0x93B4;
    readonly COMPRESSED_RGBA_ASTC_8x5_KHR: 0x93B5;
    readonly COMPRESSED_RGBA_ASTC_8x6_KHR: 0x93B6;
    readonly COMPRESSED_RGBA_ASTC_8x8_KHR: 0x93B7;
    readonly COMPRESSED_RGBA_ASTC_10x5_KHR: 0x93B8;
    readonly COMPRESSED_RGBA_ASTC_10x6_KHR: 0x93B9;
    readonly COMPRESSED_RGBA_ASTC_10x8_KHR: 0x93BA;
    readonly COMPRESSED_RGBA_ASTC_10x10_KHR: 0x93BB;
    readonly COMPRESSED_RGBA_ASTC_12x10_KHR: 0x93BC;
    readonly COMPRESSED_RGBA_ASTC_12x12_KHR: 0x93BD;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR: 0x93D0;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR: 0x93D1;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR: 0x93D2;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR: 0x93D3;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR: 0x93D4;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR: 0x93D5;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR: 0x93D6;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR: 0x93D7;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR: 0x93D8;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR: 0x93D9;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR: 0x93DA;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR: 0x93DB;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR: 0x93DC;
    readonly COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: 0x93DD;
}

/**
 * The **`WEBGL_compressed_texture_etc`** extension is part of the WebGL API and exposes 10 ETC/EAC compressed texture formats.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_etc)
 */
interface WEBGL_compressed_texture_etc {
    readonly COMPRESSED_R11_EAC: 0x9270;
    readonly COMPRESSED_SIGNED_R11_EAC: 0x9271;
    readonly COMPRESSED_RG11_EAC: 0x9272;
    readonly COMPRESSED_SIGNED_RG11_EAC: 0x9273;
    readonly COMPRESSED_RGB8_ETC2: 0x9274;
    readonly COMPRESSED_SRGB8_ETC2: 0x9275;
    readonly COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: 0x9276;
    readonly COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: 0x9277;
    readonly COMPRESSED_RGBA8_ETC2_EAC: 0x9278;
    readonly COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: 0x9279;
}

/**
 * The **`WEBGL_compressed_texture_etc1`** extension is part of the WebGL API and exposes the ETC1 compressed texture format.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_etc1)
 */
interface WEBGL_compressed_texture_etc1 {
    readonly COMPRESSED_RGB_ETC1_WEBGL: 0x8D64;
}

/**
 * The **`WEBGL_compressed_texture_pvrtc`** extension is part of the WebGL API and exposes four PVRTC compressed texture formats.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_pvrtc)
 */
interface WEBGL_compressed_texture_pvrtc {
    readonly COMPRESSED_RGB_PVRTC_4BPPV1_IMG: 0x8C00;
    readonly COMPRESSED_RGB_PVRTC_2BPPV1_IMG: 0x8C01;
    readonly COMPRESSED_RGBA_PVRTC_4BPPV1_IMG: 0x8C02;
    readonly COMPRESSED_RGBA_PVRTC_2BPPV1_IMG: 0x8C03;
}

/**
 * The **`WEBGL_compressed_texture_s3tc`** extension is part of the WebGL API and exposes four S3TC compressed texture formats.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_s3tc)
 */
interface WEBGL_compressed_texture_s3tc {
    readonly COMPRESSED_RGB_S3TC_DXT1_EXT: 0x83F0;
    readonly COMPRESSED_RGBA_S3TC_DXT1_EXT: 0x83F1;
    readonly COMPRESSED_RGBA_S3TC_DXT3_EXT: 0x83F2;
    readonly COMPRESSED_RGBA_S3TC_DXT5_EXT: 0x83F3;
}

/**
 * The **`WEBGL_compressed_texture_s3tc_srgb`** extension is part of the WebGL API and exposes four S3TC compressed texture formats for the sRGB colorspace.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_s3tc_srgb)
 */
interface WEBGL_compressed_texture_s3tc_srgb {
    readonly COMPRESSED_SRGB_S3TC_DXT1_EXT: 0x8C4C;
    readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: 0x8C4D;
    readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: 0x8C4E;
    readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: 0x8C4F;
}

/**
 * The **`WEBGL_debug_renderer_info`** extension is part of the WebGL API and exposes two constants with information about the graphics driver for debugging purposes.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info)
 */
interface WEBGL_debug_renderer_info {
    readonly UNMASKED_VENDOR_WEBGL: 0x9245;
    readonly UNMASKED_RENDERER_WEBGL: 0x9246;
}

/**
 * The **`WEBGL_debug_shaders`** extension is part of the WebGL API and exposes a method to debug shaders from privileged contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_debug_shaders)
 */
interface WEBGL_debug_shaders {
    /**
     * The **`WEBGL_debug_shaders.getTranslatedShaderSource()`** method is part of the WebGL API and allows you to debug a translated shader.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_debug_shaders/getTranslatedShaderSource)
     */
    getTranslatedShaderSource(shader: WebGLShader): string;
}

/**
 * The **`WEBGL_depth_texture`** extension is part of the WebGL API and defines 2D depth and depth-stencil textures.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_depth_texture)
 */
interface WEBGL_depth_texture {
    readonly UNSIGNED_INT_24_8_WEBGL: 0x84FA;
}

/**
 * The **`WEBGL_draw_buffers`** extension is part of the WebGL API and enables a fragment shader to write to several textures, which is useful for deferred shading, for example.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_draw_buffers)
 */
interface WEBGL_draw_buffers {
    /**
     * The **`WEBGL_draw_buffers.drawBuffersWEBGL()`** method is part of the WebGL API and allows you to define the draw buffers to which all fragment colors are written.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_draw_buffers/drawBuffersWEBGL)
     */
    drawBuffersWEBGL(buffers: GLenum[]): void;
    readonly COLOR_ATTACHMENT0_WEBGL: 0x8CE0;
    readonly COLOR_ATTACHMENT1_WEBGL: 0x8CE1;
    readonly COLOR_ATTACHMENT2_WEBGL: 0x8CE2;
    readonly COLOR_ATTACHMENT3_WEBGL: 0x8CE3;
    readonly COLOR_ATTACHMENT4_WEBGL: 0x8CE4;
    readonly COLOR_ATTACHMENT5_WEBGL: 0x8CE5;
    readonly COLOR_ATTACHMENT6_WEBGL: 0x8CE6;
    readonly COLOR_ATTACHMENT7_WEBGL: 0x8CE7;
    readonly COLOR_ATTACHMENT8_WEBGL: 0x8CE8;
    readonly COLOR_ATTACHMENT9_WEBGL: 0x8CE9;
    readonly COLOR_ATTACHMENT10_WEBGL: 0x8CEA;
    readonly COLOR_ATTACHMENT11_WEBGL: 0x8CEB;
    readonly COLOR_ATTACHMENT12_WEBGL: 0x8CEC;
    readonly COLOR_ATTACHMENT13_WEBGL: 0x8CED;
    readonly COLOR_ATTACHMENT14_WEBGL: 0x8CEE;
    readonly COLOR_ATTACHMENT15_WEBGL: 0x8CEF;
    readonly DRAW_BUFFER0_WEBGL: 0x8825;
    readonly DRAW_BUFFER1_WEBGL: 0x8826;
    readonly DRAW_BUFFER2_WEBGL: 0x8827;
    readonly DRAW_BUFFER3_WEBGL: 0x8828;
    readonly DRAW_BUFFER4_WEBGL: 0x8829;
    readonly DRAW_BUFFER5_WEBGL: 0x882A;
    readonly DRAW_BUFFER6_WEBGL: 0x882B;
    readonly DRAW_BUFFER7_WEBGL: 0x882C;
    readonly DRAW_BUFFER8_WEBGL: 0x882D;
    readonly DRAW_BUFFER9_WEBGL: 0x882E;
    readonly DRAW_BUFFER10_WEBGL: 0x882F;
    readonly DRAW_BUFFER11_WEBGL: 0x8830;
    readonly DRAW_BUFFER12_WEBGL: 0x8831;
    readonly DRAW_BUFFER13_WEBGL: 0x8832;
    readonly DRAW_BUFFER14_WEBGL: 0x8833;
    readonly DRAW_BUFFER15_WEBGL: 0x8834;
    readonly MAX_COLOR_ATTACHMENTS_WEBGL: 0x8CDF;
    readonly MAX_DRAW_BUFFERS_WEBGL: 0x8824;
}

/**
 * The **`WEBGL_lose_context`** extension is part of the WebGL API and exposes functions to simulate losing and restoring a WebGLRenderingContext.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_lose_context)
 */
interface WEBGL_lose_context {
    /**
     * The **`WEBGL_lose_context.loseContext()`** method is part of the WebGL API and allows you to simulate losing the context of a WebGLRenderingContext context.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_lose_context/loseContext)
     */
    loseContext(): void;
    /**
     * The **`WEBGL_lose_context.restoreContext()`** method is part of the WebGL API and allows you to simulate restoring the context of a WebGLRenderingContext object.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_lose_context/restoreContext)
     */
    restoreContext(): void;
}

/**
 * The **`WEBGL_multi_draw`** extension is part of the WebGL API and allows to render more than one primitive with a single function call. This can improve a WebGL application's performance as it reduces binding costs in the renderer and speeds up GPU thread time with uniform data.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_multi_draw)
 */
interface WEBGL_multi_draw {
    /**
     * The **`WEBGL_multi_draw.multiDrawArraysInstancedWEBGL()`** method of the WebGL API renders multiple primitives from array data. It is identical to multiple calls to the gl.drawArraysInstanced() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_multi_draw/multiDrawArraysInstancedWEBGL)
     */
    multiDrawArraysInstancedWEBGL(mode: GLenum, firstsList: Int32Array<ArrayBufferLike> | GLint[], firstsOffset: number, countsList: Int32Array<ArrayBufferLike> | GLsizei[], countsOffset: number, instanceCountsList: Int32Array<ArrayBufferLike> | GLsizei[], instanceCountsOffset: number, drawcount: GLsizei): void;
    /**
     * The **`WEBGL_multi_draw.multiDrawArraysWEBGL()`** method of the WebGL API renders multiple primitives from array data. It is identical to multiple calls to the gl.drawArrays() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_multi_draw/multiDrawArraysWEBGL)
     */
    multiDrawArraysWEBGL(mode: GLenum, firstsList: Int32Array<ArrayBufferLike> | GLint[], firstsOffset: number, countsList: Int32Array<ArrayBufferLike> | GLsizei[], countsOffset: number, drawcount: GLsizei): void;
    /**
     * The **`WEBGL_multi_draw.multiDrawElementsInstancedWEBGL()`** method of the WebGL API renders multiple primitives from array data. It is identical to multiple calls to the gl.drawElementsInstanced() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_multi_draw/multiDrawElementsInstancedWEBGL)
     */
    multiDrawElementsInstancedWEBGL(mode: GLenum, countsList: Int32Array<ArrayBufferLike> | GLsizei[], countsOffset: number, type: GLenum, offsetsList: Int32Array<ArrayBufferLike> | GLsizei[], offsetsOffset: number, instanceCountsList: Int32Array<ArrayBufferLike> | GLsizei[], instanceCountsOffset: number, drawcount: GLsizei): void;
    /**
     * The **`WEBGL_multi_draw.multiDrawElementsWEBGL()`** method of the WebGL API renders multiple primitives from array data. It is identical to multiple calls to the gl.drawElements() method.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_multi_draw/multiDrawElementsWEBGL)
     */
    multiDrawElementsWEBGL(mode: GLenum, countsList: Int32Array<ArrayBufferLike> | GLsizei[], countsOffset: number, type: GLenum, offsetsList: Int32Array<ArrayBufferLike> | GLsizei[], offsetsOffset: number, drawcount: GLsizei): void;
}

/**
 * The **`WGSLLanguageFeatures`** interface of the WebGPU API is a setlike object that reports the WGSL language extensions supported by the WebGPU implementation.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WGSLLanguageFeatures)
 */
interface WGSLLanguageFeatures {
    forEach(callbackfn: (value: string, key: string, parent: WGSLLanguageFeatures) => void, thisArg?: any): void;
}

declare var WGSLLanguageFeatures: {
    prototype: WGSLLanguageFeatures;
    new(): WGSLLanguageFeatures;
};

/**
 * The **`WakeLock`** interface of the Screen Wake Lock API can be used to request a lock that prevents device screens from dimming or locking when an application needs to keep running.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLock)
 */
interface WakeLock {
    /**
     * The **`request()`** method of the WakeLock interface returns a Promise that fulfills with a WakeLockSentinel object if the system screen wake lock is granted.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLock/request)
     */
    request(type?: WakeLockType): Promise<WakeLockSentinel>;
}

declare var WakeLock: {
    prototype: WakeLock;
    new(): WakeLock;
};

interface WakeLockSentinelEventMap {
    "release": Event;
}

/**
 * The **`WakeLockSentinel`** interface of the Screen Wake Lock API can be used to monitor the status of the platform screen wake lock, and manually release the lock when needed.
 * Available only in secure contexts.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLockSentinel)
 */
interface WakeLockSentinel extends EventTarget {
    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLockSentinel/release_event) */
    onrelease: ((this: WakeLockSentinel, ev: Event) => any) | null;
    /**
     * The **`released`** read-only property of the WakeLockSentinel interface returns a boolean that indicates whether a WakeLockSentinel has been released.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLockSentinel/released)
     */
    readonly released: boolean;
    /**
     * The **`type`** read-only property of the WakeLockSentinel interface returns a string representation of the currently acquired WakeLockSentinel type.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLockSentinel/type)
     */
    readonly type: WakeLockType;
    /**
     * The **`release()`** method of the WakeLockSentinel interface releases the WakeLockSentinel, returning a Promise that is resolved once the sentinel has been successfully released.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WakeLockSentinel/release)
     */
    release(): Promise<void>;
    addEventListener<K extends keyof WakeLockSentinelEventMap>(type: K, listener: (this: WakeLockSentinel, ev: WakeLockSentinelEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof WakeLockSentinelEventMap>(type: K, listener: (this: WakeLockSentinel, ev: WakeLockSentinelEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var WakeLockSentinel: {
    prototype: WakeLockSentinel;
    new(): WakeLockSentinel;
};

/**
 * The **`WaveShaperNode`** interface represents a non-linear distorter.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WaveShaperNode)
 */
interface WaveShaperNode extends AudioNode {
    /**
     * The **`curve`** property of the WaveShaperNode interface is a Float32Array of numbers describing the distortion to apply.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WaveShaperNode/curve)
     */
    curve: Float32Array<ArrayBuffer> | null;
    /**
     * The **`oversample`** property of the WaveShaperNode interface is an enumerated value indicating if oversampling must be used. Oversampling is a technique for creating more samples (up-sampling) before applying a distortion effect to the audio signal.
     *
     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WaveShaperNode/oversample)
     */
    oversample: OverSampleType;
}

declare var WaveShaperNode: {
    prototype: WaveShaperNode;
    new(context: BaseAudioContext, options?: WaveShaperOptions): WaveShaperNode;
};

/**
 * The **`WebGL2RenderingContext`** interface provides the OpenGL ES 3.0 rendering context for the drawing surface of an HTML <canvas> element.
 *
 * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGL2RenderingContext)
 */
interface WebGL2RenderingContext extends WebGL2RenderingContextBase, WebGL2RenderingContextOverloads, WebGLRenderingContextBase {
}

declare var WebGL2RenderingContext: {
    prototype: WebGL2RenderingContext;
    new(): WebGL2RenderingContext;
    readonly READ_BUFFER: 0x0C02;
    readonly UNPACK_ROW_LENGTH: 0x0CF2;
    readonly UNPACK_SKIP_ROWS: 0x0CF3;
    readonly UNPACK_SKIP_PIXELS: 0x0CF4;
    readonly PACK_ROW_LENGTH: 0x0D02;
    readonly PACK_SKIP_ROWS: 0x0D03;
    readonly PACK_SKIP_PIXELS: 0x0D04;
    readonly COLOR: 0x1800;
    readonly DEPTH: 0x1801;
    readonly STENCIL: 0x1802;
    readonly RED: 0x1903;
    readonly RGB8: 0x8051;
    readonly RGB10_A2: 0x8059;
    readonly TEXTURE_BINDING_3D: 0x806A;
    readonly UNPACK_SKIP_IMAGES: 0x806D;
    readonly UNPACK_IMAGE_HEIGHT: 0x806E;
    readonly TEXTURE_3D: 0x806F;
    readonly TEXTURE_WRAP_R: 0x8072;
    readonly MAX_3D_TEXTURE_SIZE: 0x8073;
    readonly UNSIGNED_INT_2_10_10_10_REV: 0x8368;
    readonly MAX_ELEMENTS_VERTICES: 0x80E8;
    readonly MAX_ELEMENTS_INDICES: 0x80E9;
    readonly TEXTURE_MIN_LOD: 0x813A;
    readonly TEXTURE_MAX_LOD: 0x813B;
    readonly TEXTURE_BASE_LEVEL: 0x813C;
    readonly TEXTURE_MAX_LEVEL: 0x813D;
    readonly MIN: 0x8007;
    readonly MAX: 0x8008;
    readonly DEPTH_COMPONENT24: 0x81A6;
    readonly MAX_TEXTURE_LOD_BIAS: 0x84FD;
    readonly TEXTURE_COMPARE_MODE: 0x884C;
    readonly TEXTURE_COMPARE_FUNC: 0x884D;
    readonly CURRENT_QUERY: 0x8865;
    readonly QUERY_RESULT: 0x8866;
    readonly QUERY_RESULT_AVAILABLE: 0x8867;
    readonly STREAM_READ: 0x88E1;
    readonly STREAM_COPY: 0x88E2;
    readonly STATIC_READ: 0x88E5;
    readonly STATIC_COPY: 0x88E6;
    readonly DYNAMIC_READ: 0x88E9;
    readonly DYNAMIC_COPY: 0x88EA;
    readonly MAX_DRAW_BUFFERS: 0x8824;
    readonly DRAW_BUFFER0: 0x8825;
    readonly DRAW_BUFFER1: 0x8826;
    readonly DRAW_BUFFER2: 0x8827;
    readonly DRAW_BUFFER3: 0x8828;
    readonly DRAW_BU