docs: void submit() {
  
          int action = -1;
  
          if (isModeAll()) {
              action = CmsFlexCache.CLEAR_ONLINE_ALL;
          } else {
              action = CmsFlexCache.CLEAR_ONLINE_ENTRIES;
          }
  
          OpenCms.fireCmsEvent(
              new CmsEvent(
                  I_CmsEventListener.EVENT_FLEX_CACHE_CLEAR,
                  Collections.<String, Object> singletonMap(CmsFlexCache.CACHE_ACTION, new Integer(action))));
      }