import http from 'http';
import WebSocket, { type ServerOptions, WebSocketServer } from 'ws';
import { Transport } from '@colyseus/core';
type RawWebSocketClient = WebSocket & {
    pingCount: number;
};
export interface TransportOptions extends ServerOptions {
    pingInterval?: number;
    pingMaxRetries?: number;
}
export declare class WebSocketTransport extends Transport {
    protected wss: WebSocketServer;
    protected pingInterval: NodeJS.Timeout;
    protected pingIntervalMS: number;
    protected pingMaxRetries: number;
    private _originalSend;
    constructor(options?: TransportOptions);
    listen(port: number, hostname?: string, backlog?: number, listeningListener?: () => void): this;
    shutdown(): void;
    simulateLatency(milliseconds: number): void;
    protected autoTerminateUnresponsiveClients(pingInterval: number, pingMaxRetries: number): void;
    protected onConnection(rawClient: RawWebSocketClient, req: http.IncomingMessage): Promise<void>;
}
export {};