docs: public void marshall(ModelPackageContainerDefinition modelPackageContainerDefinition, ProtocolMarshaller protocolMarshaller) {
  
          if (modelPackageContainerDefinition == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(modelPackageContainerDefinition.getContainerHostname(), CONTAINERHOSTNAME_BINDING);
              protocolMarshaller.marshall(modelPackageContainerDefinition.getImage(), IMAGE_BINDING);
              protocolMarshaller.marshall(modelPackageContainerDefinition.getImageDigest(), IMAGEDIGEST_BINDING);
              protocolMarshaller.marshall(modelPackageContainerDefinition.getModelDataUrl(), MODELDATAURL_BINDING);
              protocolMarshaller.marshall(modelPackageContainerDefinition.getProductId(), PRODUCTID_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }