/**
  * Import the translation files from the defined bundles.
  * @param  ImportCommand $importCommand
  * @return int           The total number of imported files
  */
 private function importCustomBundlesTranslationFiles(ImportCommand $importCommand)
 {
     $imported = 0;
     foreach ($importCommand->getBundles() as $bundle) {
         $importCommand->setDefaultBundle(strtolower($bundle));
         try {
             $imported += $this->importSingleBundleTranslationFiles($importCommand);
         } catch (TranslationsNotFoundException $e) {
             continue;
         }
     }
     return $imported;
 }