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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