/**
 * Copyright (c) Microsoft Corporation.
 *
 * 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 { createServer } from 'http';
export interface CDPRelayOptions {
    port?: number;
    host?: string;
    server?: ReturnType<typeof createServer>;
}
export interface CDPMessage {
    id?: number;
    method?: string;
    params?: any;
    sessionId?: string;
    result?: any;
    error?: {
        code: number;
        message: string;
    };
}
export interface ConnectionInfo {
    type: 'connection_info';
    sessionId: string;
    targetInfo?: any;
}
export declare class CDPRelay {
    private server;
    private wss;
    private port;
    private host;
    private ownsServer;
    private activeConnection;
    private playwrightSocket;
    private pendingMessages;
    private nextMessageId;
    constructor(options?: CDPRelayOptions);
    private setupWebSocketServer;
    /**
     * Handle Extension connection
     */
    private _handleExtensionConnection;
    /**
     * Handle Playwright MCP connection
     */
    private _handlePlaywrightConnection;
    private handleExtensionMessage;
    /**
     * Handle messages from Playwright MCP
     */
    private _handlePlaywrightMessage;
    /**
     * Handle Browser domain methods locally
     */
    private _handleBrowserDomainMethod;
    /**
     * Handle Target domain methods
     */
    private _handleTargetDomainMethod;
    /**
     * Forward message to extension
     */
    private _forwardToExtension;
    /**
     * Forward message to Playwright
     */
    private _sendToPlaywright;
    /**
     * Send a CDP command to the connected browser tab
     */
    sendCommand(method: string, params?: any, sessionId?: string): Promise<any>;
    /**
     * Get the target info for the connected tab
     */
    getTargetInfo(): any;
    /**
     * Check if there's an active connection
     */
    isConnected(): boolean;
    /**
     * Get the session ID of the connected tab
     */
    getSessionId(): string | undefined;
    /**
     * Update target info after navigation
     * This method fetches the current URL and title from the page
     * and updates the targetInfo object to keep it in sync with the actual page state
     */
    updateTargetInfoAfterNavigation(): Promise<void>;
    /**
     * Start the CDP relay server
     */
    start(): Promise<void>;
    /**
     * Stop the CDP relay server
     */
    stop(): Promise<void>;
    /**
     * Get the server URL for the extension
     */
    getServerUrl(): string;
    /**
     * Get the CDP server URL for Playwright MCP
     */
    getCdpUrl(): string;
}