import type { WebSocket } from "ws";
import type { GatewayMessage } from "./types.js";
/**
 * Send JSON message to WebSocket client
 */
export declare function send(ws: WebSocket, message: GatewayMessage): void;
/**
 * Parse incoming WebSocket message
 */
export declare function parseMessage(data: Buffer | string): GatewayMessage | null;
/**
 * Create error response
 */
export declare function createErrorResponse(id: string, message: string, code?: string): GatewayMessage;
/**
 * Create success response
 */
export declare function createSuccessResponse(id: string, result: any): GatewayMessage;
/**
 * Create event message
 */
export declare function createEvent(event: string, payload: any): GatewayMessage;