// returns (ruleID, isNew)
static Pair<S, Bool> dm_gazelle_addRule(S when, S then) {
  ret (Pair) quickImport(dm_call(dm_gazelle_rulesModule(), 'addRule, when, then));
}

static Pair<S, Bool> dm_gazelle_addRule(S text) {
  ret (Pair) quickImport(dm_call(dm_gazelle_rulesModule(), 'addRule, text));
}