/// <reference types="node" />
import * as net from 'net';
import { OnPreConnectionDataResult } from './models/on-pre-connection-data-result';
import { SOCKSProxyConnectionStatus } from './models/socks-proxy-connection-status';
import { ProxyServer } from './proxy-server';
export declare class SOCKSProxyServer extends ProxyServer<net.Server> {
    protected authenticateFn: (password: string, userName: string) => boolean;
    protected allowedIPAddresses: string[];
    protected deniedIPAddresses: string[];
    protected requiresUsernamePasswordAuthentication: boolean;
    protected buffers: {};
    protected socksProxyStates: {};
    constructor(authenticateFn: (password: string, userName: string) => boolean, allowedIPAddresses: string[], deniedIPAddresses: string[], hostname: string, port: number, requiresUsernamePasswordAuthentication: boolean);
    protected createServer(onConnectionFn: (socket: net.Socket) => void): net.Server;
    protected createDestinationSocket(destinationHostname: string, destinationPort: number, sourceSocket: net.Socket): net.Socket;
    protected handleAuthenticationRequest(data: Buffer, sourceSocket: net.Socket): void;
    protected handleConnectionRequest(data: Buffer, sourceSocket: net.Socket): Promise<void>;
    protected handleGreetingRequest(data: Buffer, sourceSocket: net.Socket): void;
    protected resolveDomainName(domainName: string): Promise<string>;
    protected onPreConnectionData(data: Buffer, destinationSocket: net.Socket, sourceSocket: net.Socket): OnPreConnectionDataResult;
    protected saveToBuffer(data: Buffer, socket: net.Socket): void;
    protected sendConnectionResponse(addressType: number, connectionStatus: SOCKSProxyConnectionStatus, ipAddressBytes: number[], portBytes: number[], sourceSocket: net.Socket, version: number): void;
}