import { Express } from "express";
import * as express from "express";
import * as nunjucks from "nunjucks";
import "reflect-metadata";
import * as multer from "multer";
import Config from "./config";
import BaseModule from "./base.module";
import ErrorController from "./error.controller";
import User from "./entities/user.entity";
import { APIResponseWrapper } from "./api-response-wrapper";
/**
 * Utility function to check if we are in the production environment.
 * @return true if the NODE_ENV is set to "production", false otherwise
 */
export declare function isProduction(): boolean;
/**
 * Retrieve the preferred language from an express request, using the accepts-languages
 * header value.
 * @param req the express request
 * @return the two letter lower-cased language, or "*" (wildcard), or null
 */
export declare function getLanguageFromRequest(req: express.Request): string;
export declare let app: App;
/**
 * The App class contains the initialization code for a Lynx application.
 */
export default class App {
    express: Express;
    private readonly _config;
    private readonly _nunjucksEnvironment;
    private readonly _upload;
    private _templateMap;
    private _modules;
    private _errorController;
    apiResponseWrapper: APIResponseWrapper;
    readonly config: Config;
    readonly templateMap: any;
    readonly nunjucksEnvironment: nunjucks.Environment;
    readonly upload: multer.Instance;
    /**
     * This property allow the customization of the standard error controller.
     * You need to create the controller using its standard constructor:
     * new MyCustomErrorController(app)
     */
    customErrorController: ErrorController;
    constructor(config: Config, modules?: BaseModule[]);
    private recursiveGenerateTemplateMap;
    private generateTemplateMap;
    private recursiveExecuteMigrations;
    /**
     *  This method will execute the migrations.
     *  By default, this method will be executed automatically during the app
     *  startup. In some scenario, like hight-scalability, this behaviour could
     *  be unwanted. Thus, it is possibly otherwise to explicitly call this method
     *  in some other way (for example, connecting it to a standard http route).
     */
    executeMigrations(): Promise<void>;
    private loadTranslations;
    private loadMiddlewares;
    private loadControllers;
    startServer(port: number): void;
    route(name: string, parameters?: any): string;
    translate(str: string, req: express.Request): string;
    generateTokenForUser(user: User): string;
}
declare global {
    interface Array<T> {
        serialize(): Array<any>;
        removeHiddenField(field: string): void;
        addHiddenField(field: string): void;
    }
}