code: func (s *Sentinel) SentinelAddrs() ([]string, error) {
  	res, err := s.doUntilSuccess(func(c redis.Conn) (interface{}, error) {
  		return queryForSentinels(c, s.MasterName)
  	})
  	if err != nil {
  		return nil, err
  	}
  	return res.([]string), nil
  }
docs: // SentinelAddrs returns a slice of known Sentinel addresses Sentinel server aware of.