/// <reference types="connect" />
import { NestExpressApplication } from '@nestjs/platform-express';
export declare const Helmet: (req: import("http").IncomingMessage, res: import("http").ServerResponse<import("http").IncomingMessage>, next: (err?: unknown) => void) => void;
export declare const Compression: any;
export declare const Morgan: any;
export declare const Json: import("connect").NextHandleFunction;
export declare const Urlencoded: import("connect").NextHandleFunction;
export declare class UseMainMiddlewares {
    static use(app: NestExpressApplication): void;
}