/// <reference types="express" />
import * as Express from "express";
export declare class ApplicationLoader {
    private _server;
    private _env;
    private _rootDir;
    private _srcDir;
    private _publicDir;
    private _logDir;
    private _configDir;
    private _dbDir;
    private _port;
    private _routes;
    private _components;
    readonly server: Express.Application;
    readonly env: string;
    readonly components: string[];
    readonly routes: any;
    readonly rootDir: string;
    readonly srcDir: string;
    readonly publicDir: string;
    readonly logDir: string;
    readonly configDir: string;
    readonly dbDir: string;
    readonly port: number | string;
    /**
     * Load user defined settings into ApplicationLoader
     * Initialize settings
     */
    constructor();
    start(): Promise<any>;
    private init();
    private invokeApplicationInitHook();
    private loadExternalMiddlewares();
    private loadComponents();
    private loadMiddlewares();
    private loadRoutes();
    private loadErrorMiddlewares();
    private run();
}