static void clearConsole() {
  if (!isAWTThread())
    sleep(111); // SHOULD clear the system.out buffer
  pcall {
    swingAndWait(r {
      O console = getOpt(javax(), "console");
      if (console != null) {
        call(getFirstNonNullField(console, "textArea", "logView"), "setText", "");
        set(console, "buf", new StringBuffer);
      }
    });
  }
}