code: public void marshall(AudioCodecSettings audioCodecSettings, ProtocolMarshaller protocolMarshaller) {
  
          if (audioCodecSettings == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(audioCodecSettings.getAacSettings(), AACSETTINGS_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getAc3Settings(), AC3SETTINGS_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getAiffSettings(), AIFFSETTINGS_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getCodec(), CODEC_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getEac3Settings(), EAC3SETTINGS_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getMp2Settings(), MP2SETTINGS_BINDING);
              protocolMarshaller.marshall(audioCodecSettings.getWavSettings(), WAVSETTINGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.