/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import net from "net";
import { EventEmitter } from "stream";
import tls, { TLSSocketOptions } from "tls";
import { PopServerConfig } from "./PopServerConfig";
export declare class PopServer extends EventEmitter {
    readonly config: PopServerConfig;
    readonly hostname: string;
    readonly plain_port: number;
    readonly secure_port: number;
    readonly backlog: number;
    readonly timeout: number;
    readonly tls_options: TLSSocketOptions;
    protected plain_server: net.Server | null;
    protected secure_server: tls.Server | null;
    /**
     * Constructs a new PopServer.
     * @parma config the configuration.
     * @param hostname the hostname to listen on.
     * @param plain_port the plain port to listen on.
     * @param secure_port the secure port to listen on.
     * @param backlog the backlog.
     * @param timeout the timeout of sockets in ms.
     * @param tls_options the tls socket options.
     */
    constructor(config: PopServerConfig, hostname?: string, plain_port?: number, secure_port?: number, backlog?: number, timeout?: number, tls_options?: TLSSocketOptions);
    /**
     * Runs the PopServer.
     * @returns ourselves.
     */
    run(): PopServer;
    /**
     * Close sthe PopServer.
     * @returns ourselves.
     */
    close(): PopServer;
    /**
     * Gets called when an close event has been emitted.
     * @param secure if this is the secure server.
     * @param err the possible error.
     */
    protected _event_close(secure: boolean, err: Error | undefined): void;
    /**
     * Gets called when a listening event is emitted.
     * @param secure if this is the secure server.
     */
    protected _event_listening(secure: boolean): void;
    /**
     * Gets called when an error event is emitted.
     * @param secure if this is the secure server.
     * @param err the error.
     */
    protected _event_error(secure: boolean, err: Error): void;
    /**
     * Gets called when a new client has connected.
     * @param secure if this is the secure server.
     * @param socket the socket.
     */
    protected _event_connection(secure: boolean, socket: net.Socket | tls.TLSSocket): void;
}