code: public void marshall(StartDominantLanguageDetectionJobRequest startDominantLanguageDetectionJobRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (startDominantLanguageDetectionJobRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getInputDataConfig(), INPUTDATACONFIG_BINDING);
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getOutputDataConfig(), OUTPUTDATACONFIG_BINDING);
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getDataAccessRoleArn(), DATAACCESSROLEARN_BINDING);
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getJobName(), JOBNAME_BINDING);
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getClientRequestToken(), CLIENTREQUESTTOKEN_BINDING);
              protocolMarshaller.marshall(startDominantLanguageDetectionJobRequest.getVolumeKmsKeyId(), VOLUMEKMSKEYID_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.