docs: void forceInit(DispatcherType dispatcherType) throws ServletException {
          if(filters != null) {
              List<ManagedFilter> list = filters.get(dispatcherType);
              if(list != null && !list.isEmpty()) {
                  for(int i = 0; i < list.size(); ++i) {
                      ManagedFilter filter = list.get(i);
                      filter.forceInit();
                  }
              }
          }
          managedServlet.forceInit();
      }