/// <reference types="node" />
import * as http from "http";
import * as https from "https";
import WebSocket from "ws";
import { Transport, WebSocketClient } from "../../internal";
export interface IMessagePack {
    encode<T>(value: T): Buffer;
    decode<T>(buffer: Buffer): T;
}
export interface IWebSocketTransportOptions {
    port?: number;
    proxyPort?: number;
    server?: http.Server | https.Server;
    pingInterval?: number;
    maxPingRetries?: number;
    clientRequestTimeout?: number;
    messagePack?: IMessagePack;
}
export declare class WebSocketTransport extends Transport<WebSocketClient> {
    clients: Set<WebSocketClient>;
    wss: WebSocket.Server;
    pingTimeout: NodeJS.Timeout | undefined;
    clientRequestTimeout: number;
    messagePack: IMessagePack;
    _proxyPort: number | undefined;
    get port(): number | undefined;
    get proxyPort(): number | undefined;
    constructor(options: IWebSocketTransportOptions);
    pingClients(pingInterval: number, maxPingRetries: number): NodeJS.Timeout;
    onConnection(socket: WebSocket, request: http.IncomingMessage): void;
    onClose(): void;
    terminate(): void;
}