code: public function handle(QueryInterface $query)
      {
          $identity = $this->identityService->findOneBy([
              'objectIdentifier' => $query->getObjectIdentifier(),
              'objectType' => Product::TYPE,
              'adapterName' => PlentymarketsAdapter::NAME,
          ]);
  
          if (null === $identity) {
              return [];
          }
  
          $product = $this->itemApi->findOne($identity->getAdapterIdentifier());
  
          $result = $this->responseParser->parse($product);
  
          return array_filter($result);
      }
docs: {@inheritdoc}
  
  @param FetchTransferObjectQuery $query