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30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
/**
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* Copyright 2017 Google Inc.
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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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export declare class Deferred<R> {
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promise: Promise<R>;
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reject: any;
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resolve: any;
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constructor();
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/**
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* Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around
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* invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback
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* and returns a node-style callback which will resolve or reject the Deferred's promise.
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* @param {((?function(?(Error)): (?|undefined))| (?function(?(Error),?=): (?|undefined)))=} callback
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* @return {!function(?(Error), ?=)}
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*/
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wrapCallback(callback?: any): (error: any, value?: any) => void;
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}
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