2019-01-06 13:14:45 -06:00

30 lines
1.2 KiB
TypeScript

/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
export declare class Deferred<R> {
promise: Promise<R>;
reject: any;
resolve: any;
constructor();
/**
* Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around
* invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback
* and returns a node-style callback which will resolve or reject the Deferred's promise.
* @param {((?function(?(Error)): (?|undefined))| (?function(?(Error),?=): (?|undefined)))=} callback
* @return {!function(?(Error), ?=)}
*/
wrapCallback(callback?: any): (error: any, value?: any) => void;
}