code: function getFilePath (cfg, req) {
  	const urlParsed = req[cfg.parsedURLName] || url.parse(req.url);
  	return path.join(cfg.documentRoot, (urlParsed.pathname || '/'));
  }
docs: HTTP request
  
  @external "http.IncomingMessage"
  @see {@link https://nodejs.org/api/http.html#http_http_incomingmessage}
   
  Returns requested file path.
  
  @param {!module:serve-files~configuration} cfg
  @param {!external:"http.IncomingMessage"}  req