code: public void marshall(StartSpeechSynthesisTaskRequest startSpeechSynthesisTaskRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (startSpeechSynthesisTaskRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getLexiconNames(), LEXICONNAMES_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getOutputFormat(), OUTPUTFORMAT_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getOutputS3BucketName(), OUTPUTS3BUCKETNAME_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getOutputS3KeyPrefix(), OUTPUTS3KEYPREFIX_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getSampleRate(), SAMPLERATE_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getSnsTopicArn(), SNSTOPICARN_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getSpeechMarkTypes(), SPEECHMARKTYPES_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getText(), TEXT_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getTextType(), TEXTTYPE_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getVoiceId(), VOICEID_BINDING);
              protocolMarshaller.marshall(startSpeechSynthesisTaskRequest.getLanguageCode(), LANGUAGECODE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.