  void maybeEvaluateMatchTreeWithNewData(MatchDataUpdateFunc update_func) {
    if (filter_match_state_) {
      filter_match_state_->evaluateMatchTreeWithNewData(update_func);
    }
  }
  void maybeEvaluateMatchTreeWithNewData(MatchDataUpdateFunc update_func) {
    if (filter_match_state_) {
      filter_match_state_->evaluateMatchTreeWithNewData(update_func);
    }
  }