/// <reference types="node" />
import { ConnectUser, ProxyMode } from "../types";
import Cipher from "../core/cipher";
export type Headers = {
    host: string;
    port: number;
};
export declare function isAigo(chunk: Buffer): boolean;
export declare function parseConnectHeaders(data: string): Headers;
export declare const clientBuild: {
    buildStep1: () => void;
    buildStep2: () => void;
    buildStep3: () => void;
};
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 negotiator: {
    client: {
        step1(): {
            data: Buffer;
            face: number;
        };
        /** 第一步检测,检测握手连接是否可以 */
        step1Check(data: Buffer): boolean;
        step2(options: {
            username?: string;
            password?: string;
            mode?: number;
        }): Buffer;
        /** 第二步检验, 检验用户/密码/密钥是否会正常 */
        step2Check(data: Buffer): boolean;
    };
    server: {
        step1(data: Buffer): {
            data: Buffer;
            face: number;
        };
        step2Info(data: Buffer): ConnectUser;
        step2(data: Buffer): {
            username: string;
            password: string;
            args: string[];
            data: Buffer;
            cipher: Cipher;
        };
    };
};