private function askConfirmation(InputInterface $input, OutputInterface $output, $question, $default = true)
    {
        if ($this->getHelperSet()->has('question')) {
            $question = new ConfirmationQuestion($question, $default);

            return $this->getHelper('question')->ask($input, $output, $question);
        }

        return $this->getHelper('dialog')->askConfirmation($output, $question, $default);
    }