/// <reference types="node" />
/**
 * socks5协议生成和解析
 */
import { AcceptSocket, ProxyMode } from "../types";
export declare function buildClientInfo(host: string, port: number): Buffer;
/**
 * 发送生成用户认证的数据
 * @param data
 */
export declare function sendAuth(data: {
    mode: ProxyMode;
    username: string;
    password: string;
}): Buffer;
export declare const validConnectInfo: {
    validTarget(socket: AcceptSocket, { host, port, atype, command }: {
        host: any;
        port: any;
        atype: any;
        command: any;
    }): boolean;
    parseTarget(chunk: Buffer): {
        host: string;
        port: number;
        atype: number;
        command: number;
    };
};