/**
  * {@inheritdoc}
  */
 public function download($hash, array $chunks, $mimetype, $size)
 {
     $file = new ChunkFile();
     $file->setHash($hash);
     $file->setMimetype($mimetype);
     $file->setSize($size);
     $result = array();
     foreach ($chunks as $chunkHash) {
         $result[] = $this->chunkManager->downloadProxy($chunkHash);
     }
     $file->setChunks($result);
     return $file;
 }