/**
  * @param Localization $localization
  * @return Localization
  */
 private function findLocalizationPublishedVersion(Localization $localization)
 {
     if (!$localization->isPublished()) {
         return null;
     }
     return $this->getAuditReader()->find($localization::CN(), $localization->getId(), $localization->getPublishedRevision());
 }