docs: public static ActiveRuleKey parse(String s) {
      Preconditions.checkArgument(s.split(":").length >= 3, "Bad format of activeRule key: " + s);
      int semiColonPos = s.indexOf(':');
      String ruleProfileUuid = s.substring(0, semiColonPos);
      String ruleKey = s.substring(semiColonPos + 1);
      return new ActiveRuleKey(ruleProfileUuid, RuleKey.parse(ruleKey));
    }