code: public function handle(QueryInterface $query)
      {
          $elements = $this->languageHelper->getLanguages();
  
          foreach ($elements as $element) {
              $result = $this->responseParser->parse($element);
  
              if (null === $result) {
                  continue;
              }
  
              yield $result;
          }
      }
docs: {@inheritdoc}