export interface ProxyServerOptions {
    port: number;
    targetUrl: string;
    mode?: 'websocket' | 'auto';
    enableLogging?: boolean;
}
export declare class ProxyServer {
    private options;
    private app;
    private client;
    private server;
    private httpServer;
    private wsServer;
    private browserClients;
    private enableLogging;
    private connectionMode;
    constructor(options: ProxyServerOptions);
    private determineConnectionMode;
    private setupMiddleware;
    private setupRoutes;
    /**
     * Handle HTTP request via direct HTTP proxy (for deployed instances)
     */
    private handleRequestViaDirectHTTP;
    /**
     * Handle HTTP request by routing through WebSocket to browser
     */
    private handleRequestViaWebSocket;
    private setupErrorHandling;
    /**
     * Set up WebSocket server for browser connections
     */
    private setupWebSocketServer;
    /**
     * Handle API request from browser via WebSocket
     */
    private handleBrowserAPIRequest;
    /**
     * Send status update to a specific browser client
     */
    private sendStatusToBrowser;
    /**
     * Send status update to all connected browser clients
     */
    sendStatusToAllBrowsers(status: string, message: string): void;
    /**
     * Check if any browsers are connected
     */
    hasBrowserClients(): boolean;
    /**
     * Register callback for command completion events
     */
    onCommandComplete(callback: () => void): void;
    /**
     * Send completion signal to browser before shutdown
     */
    sendCompletionSignal(): Promise<void>;
    start(): Promise<void>;
    stop(): Promise<void>;
    getPort(): number;
    getTargetUrl(): string;
}
//# sourceMappingURL=proxy-server.d.ts.map