/// <reference types="qs" />
import { Request, Response } from 'express';
export type Options = {
    checkToken: string | ((token: string) => boolean);
    headerName?: string;
    onInvalid?: (req: Request, res: Response) => void;
};
export default function headerTokenMiddleware(options: Options): (req: Request<import("express-serve-static-core").ParamsDictionary, any, any, import("qs").ParsedQs, Record<string, any>>, res: Response<any, Record<string, any>>, next: import("express").NextFunction) => void;