/// <reference types="node" />
import { Server } from 'http';
import * as koa from 'koa';
export declare class WebServer {
    app: koa;
    server: Server;
    constructor(...middleware: koa.Middleware[]);
    start(port?: number): Promise<void>;
    use(middleware: koa.Middleware<any, koa.DefaultContext & koa.Context>): void;
}