| 1 | /**
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| 2 | * @license
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| 3 | * Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
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| 4 | * This code may only be used under the BSD style license found at
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| 5 | * http://polymer.github.io/LICENSE.txt
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| 6 | * The complete set of authors may be found at
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| 7 | * http://polymer.github.io/AUTHORS.txt
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| 8 | * The complete set of contributors may be found at
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| 9 | * http://polymer.github.io/CONTRIBUTORS.txt
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| 10 | * Code distributed by Google as part of the polymer project is also
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| 11 | * subject to an additional IP rights grant found at
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| 12 | * http://polymer.github.io/PATENTS.txt
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| 13 | */
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| 14 | export declare type CancelFunction = (reason?: any) => void;
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| 15 | /**
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| 16 | * A polyfill for the November 23rd, 2016 draft of
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| 17 | * https://tc39.github.io/proposal-cancelable-promises/
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| 18 | */
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| 19 | export declare class CancelToken {
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| 20 | promise: Promise<Cancel>;
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| 21 | reason: Cancel | undefined;
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| 22 | constructor(executor: (cancel: CancelFunction) => void);
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| 23 | static source(): {
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| 24 | token: CancelToken;
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| 25 | cancel: CancelFunction;
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| 26 | };
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| 27 | static race(tokens: Iterable<CancelToken>): CancelToken;
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| 28 | throwIfRequested(): void;
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| 29 | readonly [Symbol.toStringTag]: string;
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| 30 | }
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| 31 | export declare class Cancel {
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| 32 | message: string;
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| 33 | constructor(reason?: any);
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| 34 | toString(): string;
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| 35 | }
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| 36 | export declare function isCancel(value: any): value is Cancel;
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| 37 | export declare function isCancelToken(value: any): value is CancelToken;
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