/**
 * WebSocket Handler for UI Bridge Server
 *
 * Handles WebSocket connections and message routing.
 */
import type { UIBridgeServerHandlers } from './types';
import type { BridgeEvent } from '@qontinui/ui-bridge';
/**
 * WebSocket-like interface for compatibility
 */
export interface WebSocketLike {
    send(data: string): void;
    close(): void;
    readyState: number;
    onmessage?: ((event: {
        data: string;
    }) => void) | null;
    onclose?: (() => void) | null;
    onerror?: ((error: unknown) => void) | null;
}
/**
 * WebSocket handler for UI Bridge server
 */
export declare class UIBridgeWSHandler {
    private handlers;
    private clients;
    private verbose;
    private log;
    constructor(handlers: UIBridgeServerHandlers, options?: {
        verbose?: boolean;
        log?: (message: string) => void;
    });
    /**
     * Handle new WebSocket connection
     */
    handleConnection(ws: WebSocketLike, preferredId?: string): string;
    /**
     * Handle client disconnect
     */
    handleDisconnect(clientId: string, ws?: WebSocketLike): void;
    /**
     * Handle incoming message
     */
    private handleMessage;
    /**
     * Handle ping message
     */
    private handlePing;
    /**
     * Handle subscribe message
     */
    private handleSubscribe;
    /**
     * Handle unsubscribe message
     */
    private handleUnsubscribe;
    /**
     * Handle find message
     */
    private handleFind;
    /**
     * Handle getElement message
     */
    private handleGetElement;
    /**
     * Handle getSnapshot message
     */
    private handleGetSnapshot;
    /**
     * Handle executeAction message
     */
    private handleExecuteAction;
    /**
     * Handle executeComponentAction message
     */
    private handleExecuteComponentAction;
    /**
     * Handle executeWorkflow message
     */
    private handleExecuteWorkflow;
    /**
     * Handle getElementHistory message
     */
    private handleGetElementHistory;
    /**
     * Broadcast event to all subscribed clients
     */
    broadcastEvent(event: BridgeEvent): void;
    /**
     * Send message to specific client
     */
    private sendToClient;
    /**
     * Send response message
     */
    private sendResponse;
    /**
     * Send error message
     */
    private sendError;
    /**
     * Get connected client count
     */
    get clientCount(): number;
    /**
     * Get all connected client IDs
     */
    get clientIds(): string[];
    /**
     * Disconnect all clients
     */
    disconnectAll(): void;
}
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