docs: public void marshall(RtmpGroupSettings rtmpGroupSettings, ProtocolMarshaller protocolMarshaller) {
  
          if (rtmpGroupSettings == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(rtmpGroupSettings.getAuthenticationScheme(), AUTHENTICATIONSCHEME_BINDING);
              protocolMarshaller.marshall(rtmpGroupSettings.getCacheFullBehavior(), CACHEFULLBEHAVIOR_BINDING);
              protocolMarshaller.marshall(rtmpGroupSettings.getCacheLength(), CACHELENGTH_BINDING);
              protocolMarshaller.marshall(rtmpGroupSettings.getCaptionData(), CAPTIONDATA_BINDING);
              protocolMarshaller.marshall(rtmpGroupSettings.getInputLossAction(), INPUTLOSSACTION_BINDING);
              protocolMarshaller.marshall(rtmpGroupSettings.getRestartDelay(), RESTARTDELAY_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }