DescriptorCommand4 example

use Symfony\Component\Console\Application;

class DescriptorApplication2 extends Application
{
    public function __construct()
    {
        parent::__construct('My Symfony application', 'v1.0');
        $this->add(new DescriptorCommand1());
        $this->add(new DescriptorCommand2());
        $this->add(new DescriptorCommand3());
        $this->add(new DescriptorCommand4());
    }
}