/**
 * WebSocket Responder
 *
 * Interface for sending responses to clients from Step functions
 * Wraps Socket.io's emit, broadcast, to, join, leave
 */
import type { Socket, Server } from 'socket.io';
import type { WsResponder } from './types';
/**
 * Create WebSocket Responder
 *
 * @param socket - Socket.io socket object
 * @param io - Socket.io server object
 * @returns WsResponder interface
 */
export declare function createWsResponder(socket: Socket, io: Server): WsResponder;
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