import { ConfigInterface, EventListener } from './types/config';
import { RouteDrawer } from './routes/route_drawer';
import express = require('express');
import { Database } from './databases/database';
declare class App {
    app: express.Express;
    server: any;
    protected booted: boolean;
    protected initCompleted: boolean;
    protected routes: Function;
    protected routeDrawer: RouteDrawer;
    protected databaseConfigs: any;
    protected databases: Database[];
    protected userServiceClass: any;
    protected useViewEngine: boolean;
    protected useDefaultLogger: boolean;
    protected viewEngine: string | undefined;
    protected viewsPaths: (string | undefined)[];
    protected errorView: string | undefined;
    protected modules: Function[];
    protected eventListenerMap: EventListener[];
    protected hooks: {
        'butterfly:setup': never[];
        'butterfly:ready': never[];
        'butterfly:registerEventListener': never[];
        'butterfly:registerViewPaths': never[];
        'butterfly:registerMiddlewares': never[];
        'butterfly:drawRoutes': never[];
        'butterfly:onError': never[];
    };
    constructor(config: ConfigInterface);
    init(): Promise<express.Express>;
    boot(): Promise<void>;
    hook(name: string, handler: Function): void;
    close(): Promise<void>;
    closeDatabases(): Promise<void>;
    buildMiddleware(middleware: any): any;
    useMiddlewares(middlewares: any): void;
    protected bootModules(): Promise<void>;
    protected executeHookHandlers(name: any, ...args: any[]): Promise<void>;
    protected registerEventListener(): Promise<void>;
    protected setup(): Promise<void>;
    protected connectDatabases(): Promise<void>;
    protected registerMiddlewares(): Promise<void>;
    protected registerErrorMiddleware(): Promise<void>;
    protected drawRoutes(): Promise<void>;
}
export default App;
export declare const Butterfly: typeof App;