static GazellePostCreated gazelle_createPost(GazelleBotCred cred, S text, S type, O... _) {
  Map result = cast postJSONPage(cred.server + "bot/createPost",
    paramsPlus(_, _user := cred._user, _botToken := cred._botToken,
    +text, +type, botInfo := cred.botInfo));
  S error = cast result.get("error");
  if (nempty(error)) fail(error);
  ret GazellePostCreated(toLong(result.get("postID")), (S) result.get("status"));
}