/**
  * {@inheritdoc}
  */
 function saveFile(BackupFileReadableInterface $file)
 {
     // @TODO: Replace the header/print calls with a Symfony response (if that allows streaming).
     // Need to find some way to return new BinaryFileResponse($uri, 200, $headers); all the way
     // out to the output of the caller.
     // Probably need to provide the response as a service in the environment.
     parent::saveFile($file);
     // @TODO: Get rid of this ugliness:
     exit;
 }
 function saveFile(BackupFileReadableInterface $file)
 {
     parent::saveFile($file);
     exit;
 }