static S getClientIP_subBot() {
  O session = call(getMainBot(), "getSession");
  Map headers = cast call(session, "getHeaders");
  S remoteAddr = cast headers.get("remote-addr");
  S client = cast headers.get("x-forwarded-for");
  if (nempty(client)) remoteAddr += "," + client;
  ret remoteAddr;
}