import { Request, Response } from 'express';
export declare class ReqHelper {
    getIp(req: Request): string;
    getUrl(req: Request): string;
    getHttpVersion(req: Request): string;
    getResponseHeader(res: Response, field: string): string | number;
    getReferrer(req: Request): string;
    getOrigin(req: Request): string;
    getMethod(req: Request): string;
    getUserAgent(req: Request): string;
}