/// <reference types="node" />
import * as express from "express";
import * as fastify from 'fastify';
import * as http from 'http';
import { SettingOptions } from "./SettingOptions";
export declare class ApplicationLoader {
    private _server;
    private _handlerAdapter;
    private _loaderAdapter;
    private _env;
    private _rootDir?;
    private _files?;
    private _port;
    /**
     * Load user defined settings into ApplicationLoader
     * Initialize settings
     */
    constructor(typeOrServer: string | fastify.FastifyInstance | express.Application, settings?: SettingOptions);
    private _loadComponents;
    private _init;
    private _loadMiddlewares;
    private _loadControllers;
    private _loadErrorMiddlewares;
    init(): Promise<fastify.FastifyInstance<http.Server, http.IncomingMessage, http.ServerResponse> | express.Application>;
    private _isExpress;
    private _isFastify;
}