protected function createContainer(InputInterface $input, OutputInterface $output)
{
$rootDir = dirname(__DIR__);
$container = DependencyInjection::createContainer($rootDir);
$questionHelper = $this->getHelperSet()->get('question');
$container->set('output_interface', $output);
$container->set('input_interface', $input);
$container->set('question_helper', $questionHelper);
$container->set('helper_set', $this->getHelperSet());
$container->set('autoloader', $this->loader);
return $this->container = $container;
}