docs: @Deprecated
      public void marshalMarshall(Object o, OutputStream out) {
          try {
              XStream xStream = newXStream();
              out.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n".getBytes());
              OutputStreamWriter ows = new OutputStreamWriter(out, "UTF-8");
              xStream.toXML(o, ows);
          } catch ( Exception e ) {
              e.printStackTrace();
          }
      }