/**
 * 简化的 WebSocket Transport Implementation
 *
 * 通过 WebSocket 与 MCP 服务器进行双向通信
 */
import { EventEmitter } from 'events';
import type { WebSocketTransportConfig, JsonRpcRequest, JsonRpcResponse } from '../types/index.js';
export declare class WebSocketTransport extends EventEmitter {
    private config;
    private ws;
    private connected;
    private pendingRequests;
    constructor(config: WebSocketTransportConfig);
    connect(): Promise<void>;
    sendRequest(request: JsonRpcRequest): Promise<JsonRpcResponse>;
    close(): Promise<void>;
    isConnected(): boolean;
    private createWebSocketConnection;
    private setupWebSocketHandlers;
    private handleMessage;
    private cleanup;
}
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