code: public function normalize($parcel, $format = null, array $context = [])
      {
          $data = [];
  
          if ($this->contextHasGroup('Summary', $context)) {
              $data = array_replace($data, [
                  'weight'         => $parcel->getWeight(),
                  'valorization'   => $parcel->getValorization(),
                  'trackingNumber' => $parcel->getTrackingNumber(),
              ]);
          }
  
          return $data;
      }
docs: @inheritdoc
  
  @param ShipmentParcelInterface $parcel