/**
  * Moves a file to the given destination file or directory.
  *
  * @param mixed sfFilebasePluginFile | string destination
  * @param boolean $allow_overwrite: Move and replace existing files
  * @return sfFilebasePluginFile $moved_file
  */
 public function move($destination, $allow_overwrite = false)
 {
     return $this->filebase->moveFile($this, $destination, $allow_overwrite);
 }