docs: public void marshall(InsertableImage insertableImage, ProtocolMarshaller protocolMarshaller) {
  
          if (insertableImage == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(insertableImage.getDuration(), DURATION_BINDING);
              protocolMarshaller.marshall(insertableImage.getFadeIn(), FADEIN_BINDING);
              protocolMarshaller.marshall(insertableImage.getFadeOut(), FADEOUT_BINDING);
              protocolMarshaller.marshall(insertableImage.getHeight(), HEIGHT_BINDING);
              protocolMarshaller.marshall(insertableImage.getImageInserterInput(), IMAGEINSERTERINPUT_BINDING);
              protocolMarshaller.marshall(insertableImage.getImageX(), IMAGEX_BINDING);
              protocolMarshaller.marshall(insertableImage.getImageY(), IMAGEY_BINDING);
              protocolMarshaller.marshall(insertableImage.getLayer(), LAYER_BINDING);
              protocolMarshaller.marshall(insertableImage.getOpacity(), OPACITY_BINDING);
              protocolMarshaller.marshall(insertableImage.getStartTime(), STARTTIME_BINDING);
              protocolMarshaller.marshall(insertableImage.getWidth(), WIDTH_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }