docs: @Override
      public HttpSession generateNewId(HttpServletRequest request, HttpServletResponse response, HttpSession existingSession) {
          SessionAffinityContext sac = getSessionAffinityContext(request);
          HttpSession session = (HttpSession) _coreHttpSessionManager.generateNewId(request, response, sac, ((SessionData) existingSession).getISession());
          return session;
      }