public function getStorageService()
    {
        if (!$this->storageService) {
            $this->storageService = $this->getServiceLocator()->get(StorageManager::SERVICE_ID);
        }
        return $this->storageService;
    }
public function getStorageService()
    {
        if (!$this->storageService) {
            $this->storageService = $this->getServiceLocator()->get(StorageManager::SERVICE_ID);
        }
        return $this->storageService;
    }
public function getStorageService ( ) { if ( ! $ this -> storageService ) { $ this -> storageService = $ this -> getServiceLocator ( ) -> get ( StorageManager :: SERVICE_ID ) ; } return $ this -> storageService ; }
Gets the StateStorage service
@return StorageManager
Gets the StateStorage service