public function add_warning_message($warning_title, $warning_description = false)
{
$this->io->newLine();
$message = $this->translate_message($warning_title, $warning_description);
$message_string = $message['title'] . (!empty($message['description']) ? "\n" . $message['description'] : '');
$this->io->warning($message_string);
if ($this->progress_bar !== null) {
$this->io->newLine(2);
$this->progress_bar->display();
}
}