docs: public BaseRedisPubSubHub<ID, DATA> init() {
          if (jedisConnector == null) {
              jedisConnector = buildJedisConnector();
              myOwnRedis = jedisConnector != null;
          }
  
          super.init();
  
          if (jedisConnector == null) {
              throw new IllegalStateException("Jedis connector is null.");
          }
  
          return this;
      }