docs: public NutMap getData() {
          Set<String> set = redisService.keys("logback:loglevel:list:*");
          NutMap map = NutMap.NEW();
          for (String key : set) {
              String[] keys = key.split(":");
              String name = keys[3];
              LoglevelProperty loglevelProperty = Json.fromJson(LoglevelProperty.class, redisService.get(key));
              map.addv2(name, loglevelProperty);
          }
          return map;
      }