code: func (l Labels) Equals(o Labels) bool {
  	if len(l) != len(o) {
  		return false
  	}
  	for key := range l {
  		if !utils.StringSlicesEqual(l[key], o[key]) {
  			return false
  		}
  	}
  	return true
  }
docs: // Equals returns true if two label sets are equal