/**
  * @param FileInterface $file
  * @param mixed         $data
  * @param bool          $unaccent
  *
  * @throws \RuntimeException
  *
  * @return StreamedFileResponse
  */
 protected function createResponse(FileInterface $file, $data, $unAccent = true)
 {
     if (null === $file->getFilename()) {
         throw new \RuntimeException('Filename must be set');
     }
     $response = new StreamedFileResponse(Urlizer::urlize($file->getFilename()) . $this->getFileExtension());
     if (true === $unAccent) {
         foreach ($data as $rowIndex => $row) {
             foreach ($row as $dataIndex => $dataValue) {
                 $data[$rowIndex][$dataIndex] = Urlizer::unaccent($dataValue);
             }
         }
     }
     return $response->writeContent($file, $data);
 }