code: public void marshall(Preset preset, ProtocolMarshaller protocolMarshaller) {
  
          if (preset == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(preset.getArn(), ARN_BINDING);
              protocolMarshaller.marshall(preset.getCategory(), CATEGORY_BINDING);
              protocolMarshaller.marshall(preset.getCreatedAt(), CREATEDAT_BINDING);
              protocolMarshaller.marshall(preset.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(preset.getLastUpdated(), LASTUPDATED_BINDING);
              protocolMarshaller.marshall(preset.getName(), NAME_BINDING);
              protocolMarshaller.marshall(preset.getSettings(), SETTINGS_BINDING);
              protocolMarshaller.marshall(preset.getType(), TYPE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.