Java

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/*
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 * Copyright (C) 2008 The Guava Authors
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 *
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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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package com.google.common.collect.testing;
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import com.google.common.annotations.GwtCompatible;
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import org.checkerframework.checker.nullness.qual.Nullable;
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/**
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 * To be implemented by test generators that can produce test subjects without requiring any
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 * parameters.
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 *
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 * @param <T> the type created by this generator.
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 * @author George van den Driessche
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 */
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@GwtCompatible
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@ElementTypesAreNonnullByDefault
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public interface TestSubjectGenerator<T extends @Nullable Object> {
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  T createTestSubject();
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}
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