import { State } from '../../helper/state';
import Connection from '../../helper/connection';
/**
 * The MethodSelectionState negotiates
 * with the server about the proper authentication method
 * specific for socks5
 * @remarks
 * References: {@link https://www.rfc-editor.org/rfc/rfc1928#section-3}
 */
export declare class MethodSelectionState extends State {
    /**
     * The accepted authentication method by the server
     */
    private method?;
    /**
     * Parse server response
     * @returns void
     */
    parse(): void;
    /**
     * Continues to authenticate procedure if the server has
     * Accepted the suggested authentication method
     * @returns void
     */
    reply(): void;
}
export declare class RequestState extends State {
    /**
     * Corresponding handler function to the command type (Connect | bind | associate)
     */
    handler?: (connection: Connection) => void;
    /**
     * Select the handler function from handlers
     */
    parse(): void;
    /**
     * Execute the handler function
     */
    reply(): void;
}