code: public void marshall(Scte20SourceSettings scte20SourceSettings, ProtocolMarshaller protocolMarshaller) {
  
          if (scte20SourceSettings == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(scte20SourceSettings.getConvert608To708(), CONVERT608TO708_BINDING);
              protocolMarshaller.marshall(scte20SourceSettings.getSource608ChannelNumber(), SOURCE608CHANNELNUMBER_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.