/// <reference path="../../../third_party/typings/es6-promise/es6-promise.d.ts" />
/// <reference path="../../../third_party/freedom-typings/udp-socket.d.ts" />
import net = require('./net.types');
/**
 * Represents a UDP socket.
 * TODO: this is so similar to udprelay.ts that they can almost certainly
 *       be merged into one
 */
declare class UdpClient {
    private destAddress_;
    private destPort_;
    private onData_;
    /**
     * Socket on which we are sending and receiving messages.
     */
    private socket;
    private address_;
    private port_;
    constructor(destAddress_: string, destPort_: number, onData_: (data: ArrayBuffer) => any);
    /**
     * Returns a promise to create a socket, bind to the specified address and
     * port, and start relaying events. Specify port zero to have the system
     * choose a free port.
     */
    bind(): Promise<net.Endpoint>;
    private onSocksClientData;
    /**
     * Returns a promise to close the socket.
     */
    close: () => any;
    /**
     * Returns a promise to send data to the client.
     * This is intended for relaying responses from remote servers back to
     * the client.
     */
    send(buffer: ArrayBuffer): Promise<number>;
    /**
     * Returns the address on which the local socket associated with this
     * relay is listening.
     */
    getAddress: () => string;
    /**
     * Returns the port on which the local socket associated with this
     * relay is listening.
     */
    getPort: () => number;
}
export = UdpClient;