code: public void marshall(Mp4Settings mp4Settings, ProtocolMarshaller protocolMarshaller) {
  
          if (mp4Settings == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(mp4Settings.getCslgAtom(), CSLGATOM_BINDING);
              protocolMarshaller.marshall(mp4Settings.getFreeSpaceBox(), FREESPACEBOX_BINDING);
              protocolMarshaller.marshall(mp4Settings.getMoovPlacement(), MOOVPLACEMENT_BINDING);
              protocolMarshaller.marshall(mp4Settings.getMp4MajorBrand(), MP4MAJORBRAND_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.