private function getAuditReader()
 {
     $em = $this->getServiceManager()->get("doctrine.entitymanager.orm_default");
     return $this->auditManager->createAuditReader($em);
 }
 public function __construct(Manager $auditManager)
 {
     $this->config = $auditManager->getConfiguration();
     $this->metadataFactory = $auditManager->getMetadataFactory();
 }