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/** * Copyright 2022 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 { CDPSession } from "./Connection.js";import { EventEmitter } from "./EventEmitter.js";import { Target } from "./Target.js";/** * @internal */export declare type TargetFactory = (  targetInfo: Protocol.Target.TargetInfo,  session?: CDPSession,) => Target;/** * @internal */export declare type TargetInterceptor = (  createdTarget: Target,  parentTarget: Target | null,) => Promise<void>;/** * TargetManager encapsulates all interactions with CDP targets and is * responsible for coordinating the configuration of targets with the rest of * Puppeteer. Code outside of this class should not subscribe `Target.*` events * and only use the TargetManager events. * * There are two implementations: one for Chrome that uses CDP's auto-attach * mechanism and one for Firefox because Firefox does not support auto-attach. * * @internal */export interface TargetManager extends EventEmitter {  getAvailableTargets(): Map<string, Target>;  initialize(): Promise<void>;  dispose(): void;  addTargetInterceptor(    session: CDPSession,    interceptor: TargetInterceptor,  ): void;  removeTargetInterceptor(    session: CDPSession,    interceptor: TargetInterceptor,  ): void;}/** * @internal */export declare const enum TargetManagerEmittedEvents {  TargetDiscovered = "targetDiscovered",  TargetAvailable = "targetAvailable",  TargetGone = "targetGone",  TargetChanged = "targetChanged",}