/// <reference types="node" />
/// <reference types="es6-promise" />
import { Middleware } from 'app-builder';
import createContext, { Context, DefaultContext } from './context';
import { Server as HttpServer, IncomingMessage, ServerResponse } from 'http';
export default function (server?: HttpServer): Server<Context>;
export interface Addon<T> extends Middleware<T> {
    register?<T extends Context>(server: Server<T>): any;
}
export declare class Server<T extends Context> {
    private _appBuilder;
    private _startupPromises;
    private _createContext;
    webserver: HttpServer;
    constructor(server?: HttpServer, contextFactory?: typeof createContext);
    useDefault(onError?: () => Promise<{}>): this;
    use(middlewareOrAddon: Addon<T>): this;
    build(): (req: IncomingMessage, res: ServerResponse) => any;
    listen(...args: Array<any>): Promise<{}>;
    close(): Promise<{}>;
}
export { Context, DefaultContext };