27 lines
1.0 KiB
TypeScript
27 lines
1.0 KiB
TypeScript
/**
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* Copyright 2023 Google LLC.
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* Copyright (c) Microsoft Corporation.
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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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/**
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* A subclass of Map whose functionality is almost the same as its parent
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* except for the fact that DefaultMap never returns undefined. It provides a
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* default value for keys that do not exist.
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*/
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export declare class DefaultMap<K, V> extends Map<K, V> {
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#private;
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constructor(getDefaultValue: (key: K) => V, entries?: readonly (readonly [K, V])[] | null);
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get(key: K): V;
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}
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