idlize

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/*
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 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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export interface ReadonlyTreeNode {
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    /**
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     * @returns a parent tree node if it is exist
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     */
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    readonly parent: ReadonlyTreeNode|undefined
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    /**
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     * @returns text representation of a tree hierarchy starting from the tree node
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     */
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    toHierarchy(): string
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}
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