private @NotNull String getHelperResult(@NotNull List<String> args,
                                          boolean askForSudo,
                                          boolean showProgress) throws ExecutionException {
    return getHelperResult(args, askForSudo, showProgress, null);
  }
private @NotNull String getHelperResult(@NotNull List<String> args,
                                          boolean askForSudo,
                                          boolean showProgress)