/// <reference types="node" />
import Address from './address';
import Connection, { EventTypes } from './connection';
import * as net from 'net';
import Event from './event';
import Obfs from '../obfs/obfs';
export interface Info {
    version: number;
    address: Address;
    userId?: string;
}
export interface HandlerResolve {
    socket: net.Socket;
    address: Address;
    obfs: Obfs;
    rsv?: number;
    args?: any;
}
export type Handler = (info: Info, socket: net.Socket, obfs: Obfs, event?: Event<EventTypes>, resolve?: (value: PromiseLike<HandlerResolve> | HandlerResolve) => void, reject?: ((reason?: any) => void) | undefined) => void;
/**
 * Inputs a callback function and return a function that accept connection and,
 * executes callback with function  its properties
 * @returns function
 */
export declare const handler: (callback: Handler) => (connection: Connection) => void;