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/**
 * Copyright 2017 Google Inc. All rights reserved.
 *
 * 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.
 */
import { PuppeteerEventListener } from './helper.js';
import { Protocol } from 'devtools-protocol';
import { CDPSession } from './Connection.js';
/**
 * The CoverageEntry class represents one entry of the coverage report.
 * @public
 */
export interface CoverageEntry {
    /**
     * The URL of the style sheet or script.
     */
    url: string;
    /**
     * The content of the style sheet or script.
     */
    text: string;
    /**
     * The covered range as start and end positions.
     */
    ranges: Array<{
        start: number;
        end: number;
    }>;
}
/**
 * Set of configurable options for JS coverage.
 * @public
 */
export interface JSCoverageOptions {
    /**
     * Whether to reset coverage on every navigation.
     */
    resetOnNavigation?: boolean;
    /**
     * Whether anonymous scripts generated by the page should be reported.
     */
    reportAnonymousScripts?: boolean;
}
/**
 * Set of configurable options for CSS coverage.
 * @public
 */
export interface CSSCoverageOptions {
    /**
     * Whether to reset coverage on every navigation.
     */
    resetOnNavigation?: boolean;
}
/**
 * The Coverage class provides methods to gathers information about parts of
 * JavaScript and CSS that were used by the page.
 *
 * @remarks
 * To output coverage in a form consumable by {@link https://github.com/istanbuljs | Istanbul},
 * see {@link https://github.com/istanbuljs/puppeteer-to-istanbul | puppeteer-to-istanbul}.
 *
 * @example
 * An example of using JavaScript and CSS coverage to get percentage of initially
 * executed code:
 * ```js
 * // Enable both JavaScript and CSS coverage
 * await Promise.all([
 *   page.coverage.startJSCoverage(),
 *   page.coverage.startCSSCoverage()
 * ]);
 * // Navigate to page
 * await page.goto('https://example.com');
 * // Disable both JavaScript and CSS coverage
 * const [jsCoverage, cssCoverage] = await Promise.all([
 *   page.coverage.stopJSCoverage(),
 *   page.coverage.stopCSSCoverage(),
 * ]);
 * let totalBytes = 0;
 * let usedBytes = 0;
 * const coverage = [...jsCoverage, ...cssCoverage];
 * for (const entry of coverage) {
 *   totalBytes += entry.text.length;
 *   for (const range of entry.ranges)
 *     usedBytes += range.end - range.start - 1;
 * }
 * console.log(`Bytes used: ${usedBytes / totalBytes * 100}%`);
 * ```
 * @public
 */
export declare class Coverage {
    /**
     * @internal
     */
    _jsCoverage: JSCoverage;
    /**
     * @internal
     */
    _cssCoverage: CSSCoverage;
    constructor(client: CDPSession);
    /**
     * @param options - defaults to
     * `{ resetOnNavigation : true, reportAnonymousScripts : false }`
     * @returns Promise that resolves when coverage is started.
     *
     * @remarks
     * Anonymous scripts are ones that don't have an associated url. These are
     * scripts that are dynamically created on the page using `eval` or
     * `new Function`. If `reportAnonymousScripts` is set to `true`, anonymous
     * scripts will have `__puppeteer_evaluation_script__` as their URL.
     */
    startJSCoverage(options?: JSCoverageOptions): Promise<void>;
    /**
     * @returns Promise that resolves to the array of coverage reports for
     * all scripts.
     *
     * @remarks
     * JavaScript Coverage doesn't include anonymous scripts by default.
     * However, scripts with sourceURLs are reported.
     */
    stopJSCoverage(): Promise<CoverageEntry[]>;
    /**
     * @param options - defaults to `{ resetOnNavigation : true }`
     * @returns Promise that resolves when coverage is started.
     */
    startCSSCoverage(options?: CSSCoverageOptions): Promise<void>;
    /**
     * @returns Promise that resolves to the array of coverage reports
     * for all stylesheets.
     * @remarks
     * CSS Coverage doesn't include dynamically injected style tags
     * without sourceURLs.
     */
    stopCSSCoverage(): Promise<CoverageEntry[]>;
}
declare class JSCoverage {
    _client: CDPSession;
    _enabled: boolean;
    _scriptURLs: Map<string, string>;
    _scriptSources: Map<string, string>;
    _eventListeners: PuppeteerEventListener[];
    _resetOnNavigation: boolean;
    _reportAnonymousScripts: boolean;
    constructor(client: CDPSession);
    start(options?: {
        resetOnNavigation?: boolean;
        reportAnonymousScripts?: boolean;
    }): Promise<void>;
    _onExecutionContextsCleared(): void;
    _onScriptParsed(event: Protocol.Debugger.ScriptParsedEvent): Promise<void>;
    stop(): Promise<CoverageEntry[]>;
}
declare class CSSCoverage {
    _client: CDPSession;
    _enabled: boolean;
    _stylesheetURLs: Map<string, string>;
    _stylesheetSources: Map<string, string>;
    _eventListeners: PuppeteerEventListener[];
    _resetOnNavigation: boolean;
    _reportAnonymousScripts: boolean;
    constructor(client: CDPSession);
    start(options?: {
        resetOnNavigation?: boolean;
    }): Promise<void>;
    _onExecutionContextsCleared(): void;
    _onStyleSheet(event: Protocol.CSS.StyleSheetAddedEvent): Promise<void>;
    stop(): Promise<CoverageEntry[]>;
}
export {};
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