Robo\Robo::createDefaultApplication PHP Method

    public static function createDefaultApplication($appName = null, $appVersion = null)
    {
        $appName = $appName ?: self::APPLICATION_NAME;
        $appVersion = $appVersion ?: self::VERSION;
        $app = new \Robo\Application($appName, $appVersion);
        $app->setAutoExit(false);
        return $app;
    }

 public function initSeeInOutputTrait($container, $input = null)
 {
     $this->capturedOutput = '';
     $this->testPrinter = new BufferedOutput(OutputInterface::VERBOSITY_DEBUG);
     $app = Robo::createDefaultApplication();
     $config = new \Robo\Config();
     \Robo\Robo::configureContainer($container, $app, $config, $input, $this->testPrinter);
     // Set the application dispatcher
     $app->setDispatcher($container->get('eventDispatcher'));
     $this->logger = $container->get('logger');
 }