/**
  * (non-PHPdoc)
  * @see \MwbExporter\Writer\WriterInterface::end()
  */
 public function end()
 {
     $this->close();
     $this->checkStorage();
     $this->storage->finalize();
     return $this;
 }
 /**
  * (non-PHPdoc).
  *
  * @see \MwbExporter\Storage\Storage::getResult()
  */
 public function getResult()
 {
     return $this->storage->getResult();
 }