sclass GInterpretable {
  S text;
  S ruleID; // can be multiple IDs with +
  O mr; // actually RuleEngine2_MatchedRule
  
  *() {}
  *(S *text) {}
  *(S *text, S *ruleID) {}
  *(S *text, S *ruleID, O *mr) {}
  
  toString { ret text; }
}