docs: public RestItem updateItem( HttpServletRequest request,
                                  String rawRepositoryName,
                                  String rawWorkspaceName,
                                  String path,
                                  String requestContent ) throws JSONException, RepositoryException {
          Session session = getSession(request, rawRepositoryName, rawWorkspaceName);
          Item item = itemAtPath(path, session);
          item = updateItem(item, stringToJSONObject(requestContent));
          session.save();
  
          return createRestItem(request, 0, session, item);
      }