| 1 | /**
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| 2 | * @license
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| 3 | * Copyright (c) 2020 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 The complete set of authors may be found
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| 6 | * at http://polymer.github.io/AUTHORS.txt The complete set of contributors may
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| 7 | * be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by
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| 8 | * Google as part of the polymer project is also subject to an additional IP
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| 9 | * rights grant found at http://polymer.github.io/PATENTS.txt
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| 10 | */
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| 11 | import * as webdriver from 'selenium-webdriver';
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| 12 | import { Server } from './server';
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| 13 | import { Measurement } from './types';
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| 14 | /**
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| 15 | * Try to take a measurement in milliseconds from the given browser. Returns
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| 16 | * undefined if the measurement is not available (which may just mean we need to
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| 17 | * wait some more time).
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| 18 | */
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| 19 | export declare function measure(driver: webdriver.WebDriver, measurement: Measurement, server: Server | undefined): Promise<number | undefined>;
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| 20 | /**
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| 21 | * Return a good-enough label for the given measurement, to disambiguate cases
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| 22 | * where there are multiple measurements on the same page.
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| 23 | */
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| 24 | export declare function measurementName(measurement: Measurement): string;
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