docs: public void marshall(OutputGroup outputGroup, ProtocolMarshaller protocolMarshaller) {
  
          if (outputGroup == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(outputGroup.getCustomName(), CUSTOMNAME_BINDING);
              protocolMarshaller.marshall(outputGroup.getName(), NAME_BINDING);
              protocolMarshaller.marshall(outputGroup.getOutputGroupSettings(), OUTPUTGROUPSETTINGS_BINDING);
              protocolMarshaller.marshall(outputGroup.getOutputs(), OUTPUTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }