/**
  * @inheritDoc BaseAssetSourceType::deleteSourceFolder()
  *
  * @param AssetFolderModel $parentFolder
  * @param                  $folderName
  *
  * @return bool
  */
 protected function deleteSourceFolder(AssetFolderModel $parentFolder, $folderName)
 {
     $this->_prepareForRequests();
     $bucket = $this->getSettings()->bucket;
     $objectsToDelete = $this->_googleCloud->getBucket($bucket, $this->_getPathPrefix() . $parentFolder->path . $folderName);
     foreach ($objectsToDelete as $uri) {
         @$this->_googleCloud->deleteObject($bucket, $uri['name']);
     }
     return true;
 }