xstream.bindAttributeToClassField(Repeat.class, "name", "name");
xstream.bindAttributeToClassField(Repeat.class, "title", "title");
xstream.bindGroupToList(Repeat.class, "inputs");
xstream.bindElementToClass(Display.class, "display");
xstream.addAdvancedHandler(new DisplayHandler());
xstream.bindElementToClass(UploadDataset.class, "upload_dataset");
xstream.bindGroupToList(UploadDataset.class, "datasetInputs");
xstream.bindElementToClass(Conditional.class, "conditional");