/**
* @license
* Copyright 2017 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import type { CDPSession } from '../api/CDPSession.js';
/**
* @public
*/
export interface TracingOptions {
path?: string;
screenshots?: boolean;
categories?: string[];
}
/**
* The Tracing class exposes the tracing audit interface.
* @remarks
* You can use `tracing.start` and `tracing.stop` to create a trace file
* which can be opened in Chrome DevTools or {@link https://chromedevtools.github.io/timeline-viewer/ | timeline viewer}.
*
* @example
*
* ```ts
* await page.tracing.start({path: 'trace.json'});
* await page.goto('https://www.google.com');
* await page.tracing.stop();
* ```
*
* @public
*/
export declare class Tracing {
#private;
/**
* @internal
*/
constructor(client: CDPSession);
/**
* @internal
*/
updateClient(client: CDPSession): void;
/**
* Starts a trace for the current page.
* @remarks
* Only one trace can be active at a time per browser.
*
* @param options - Optional `TracingOptions`.
*/
start(options?: TracingOptions): Promise<void>;
/**
* Stops a trace started with the `start` method.
* @returns Promise which resolves to buffer with trace data.
*/
stop(): Promise<Uint8Array | undefined>;
}
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