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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 { Protocol } from "../../vendor/devtools-protocol/types/protocol.d.ts";import { ProtocolMapping } from "../../vendor/devtools-protocol/types/protocol-mapping.d.ts";import { EventEmitter } from "./EventEmitter.js";import { Frame } from "./Frame.js";/** * @public */export interface Credentials {  username: string;  password: string;}/** * @public */export interface NetworkConditions {  download: number;  upload: number;  latency: number;}/** * @public */export interface InternalNetworkConditions extends NetworkConditions {  offline: boolean;}/** * We use symbols to prevent any external parties listening to these events. * They are internal to Puppeteer. * * @internal */export declare const NetworkManagerEmittedEvents: {  readonly Request: symbol;  readonly RequestServedFromCache: symbol;  readonly Response: symbol;  readonly RequestFailed: symbol;  readonly RequestFinished: symbol;};interface CDPSession extends EventEmitter {  send<T extends keyof ProtocolMapping.Commands>(    method: T,    ...paramArgs: ProtocolMapping.Commands[T]["paramsType"]  ): Promise<ProtocolMapping.Commands[T]["returnType"]>;}interface FrameManager {  frame(frameId: string): Frame | null;}/** * @internal */export declare class NetworkManager extends EventEmitter {  #private;  constructor(    client: CDPSession,    ignoreHTTPSErrors: boolean,    frameManager: FrameManager,  );  /**   * Initialize calls should avoid async dependencies between CDP calls as those   * might not resolve until after the target is resumed causing a deadlock.   */  initialize(): Promise<void>;  authenticate(credentials?: Credentials): Promise<void>;  setExtraHTTPHeaders(extraHTTPHeaders: Record<string, string>): Promise<void>;  extraHTTPHeaders(): Record<string, string>;  numRequestsInProgress(): number;  setOfflineMode(value: boolean): Promise<void>;  emulateNetworkConditions(    networkConditions: NetworkConditions | null,  ): Promise<void>;  setUserAgent(    userAgent: string,    userAgentMetadata?: Protocol.Emulation.UserAgentMetadata,  ): Promise<void>;  setCacheEnabled(enabled: boolean): Promise<void>;  setRequestInterception(value: boolean): Promise<void>;}export {};