code: public void marshall(Artwork artwork, ProtocolMarshaller protocolMarshaller) {
  
          if (artwork == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(artwork.getInputKey(), INPUTKEY_BINDING);
              protocolMarshaller.marshall(artwork.getMaxWidth(), MAXWIDTH_BINDING);
              protocolMarshaller.marshall(artwork.getMaxHeight(), MAXHEIGHT_BINDING);
              protocolMarshaller.marshall(artwork.getSizingPolicy(), SIZINGPOLICY_BINDING);
              protocolMarshaller.marshall(artwork.getPaddingPolicy(), PADDINGPOLICY_BINDING);
              protocolMarshaller.marshall(artwork.getAlbumArtFormat(), ALBUMARTFORMAT_BINDING);
              protocolMarshaller.marshall(artwork.getEncryption(), ENCRYPTION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.