docs: public void marshall(ProductionVariant productionVariant, ProtocolMarshaller protocolMarshaller) {
  
          if (productionVariant == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(productionVariant.getVariantName(), VARIANTNAME_BINDING);
              protocolMarshaller.marshall(productionVariant.getModelName(), MODELNAME_BINDING);
              protocolMarshaller.marshall(productionVariant.getInitialInstanceCount(), INITIALINSTANCECOUNT_BINDING);
              protocolMarshaller.marshall(productionVariant.getInstanceType(), INSTANCETYPE_BINDING);
              protocolMarshaller.marshall(productionVariant.getInitialVariantWeight(), INITIALVARIANTWEIGHT_BINDING);
              protocolMarshaller.marshall(productionVariant.getAcceleratorType(), ACCELERATORTYPE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }