docs: public void marshall(UtteranceData utteranceData, ProtocolMarshaller protocolMarshaller) {
  
          if (utteranceData == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(utteranceData.getUtteranceString(), UTTERANCESTRING_BINDING);
              protocolMarshaller.marshall(utteranceData.getCount(), COUNT_BINDING);
              protocolMarshaller.marshall(utteranceData.getDistinctUsers(), DISTINCTUSERS_BINDING);
              protocolMarshaller.marshall(utteranceData.getFirstUtteredDate(), FIRSTUTTEREDDATE_BINDING);
              protocolMarshaller.marshall(utteranceData.getLastUtteredDate(), LASTUTTEREDDATE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }