import { RequestHandler } from 'express';
import { ErrorHandler, ExpressMethod } from '../types/index.mjs';

declare function functionIsRequestHandler(handler: any): handler is RequestHandler;
declare function functionIsExceptionHandler(handler: any): handler is ErrorHandler;
declare function filenameIsJSorTS(filename: string): boolean;
declare function pathExistsAndIsFile(path: string): boolean;
declare function fileExistsAndIsJSorTS(filePath: string): boolean;
declare function methodIsExpressMethod(method: string): method is ExpressMethod;

export { fileExistsAndIsJSorTS, filenameIsJSorTS, functionIsExceptionHandler, functionIsRequestHandler, methodIsExpressMethod, pathExistsAndIsFile };