docs: public void marshall(RemixSettings remixSettings, ProtocolMarshaller protocolMarshaller) {
  
          if (remixSettings == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(remixSettings.getChannelMapping(), CHANNELMAPPING_BINDING);
              protocolMarshaller.marshall(remixSettings.getChannelsIn(), CHANNELSIN_BINDING);
              protocolMarshaller.marshall(remixSettings.getChannelsOut(), CHANNELSOUT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }