code: public void marshall(TranscriptionJob transcriptionJob, ProtocolMarshaller protocolMarshaller) {
  
          if (transcriptionJob == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(transcriptionJob.getTranscriptionJobName(), TRANSCRIPTIONJOBNAME_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getTranscriptionJobStatus(), TRANSCRIPTIONJOBSTATUS_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getLanguageCode(), LANGUAGECODE_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getMediaSampleRateHertz(), MEDIASAMPLERATEHERTZ_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getMediaFormat(), MEDIAFORMAT_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getMedia(), MEDIA_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getTranscript(), TRANSCRIPT_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getCreationTime(), CREATIONTIME_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getCompletionTime(), COMPLETIONTIME_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getFailureReason(), FAILUREREASON_BINDING);
              protocolMarshaller.marshall(transcriptionJob.getSettings(), SETTINGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.