/// <reference types="node" />
import * as net from 'net';
import { Info } from './handler';
import ObfsMethod from '../obfs/obfs';
/**
 *  Starts listening on a new TCP port and the proxy relays
 *  then remote host information back to the client. when another remote client connects
 *  on this port sends a notification that an incoming connection has been accepted to the
 *  initial client and a full duplex stream is now established to the initial client and
 *  the client that connected to that special port.
 */
declare class TcpRelay {
    /**
     * TCP socket
     */
    private tcpRelay;
    /**
     * Relays port
     */
    port: number;
    constructor(port: number, info: Info, socket: net.Socket, obfs: ObfsMethod);
    /**
     * Close Relay's socket
     * @param callback - Called when the socket has been closed
     */
    close(callback?: () => void): void;
}
export default TcpRelay;