import WebSocket, { WebSocketServer } from 'ws';
import { DuplexServerInterface, ServerInterface } from './ServerInterface';
export declare class WsServer implements DuplexServerInterface, ServerInterface {
    private wss?;
    private config?;
    private connectionCheckerInterval?;
    private defaultEventsConfig;
    constructor(config?: WebSocket.ServerOptions);
    get socket(): WebSocketServer | undefined;
    open(): WsServer;
    close(): boolean;
    receive(): void;
    send(payload: any): void;
}