How to correctly specify the path to the template in Symfony?

Question

symfony

Good evening.
How to correctly specify the path?
After all, there are two ways and I would like to know how correctly and how much.

// Первый
$this->render('@App/news.html.twig', []);

// Второй
$this->render('AppBundle:news.html.twig', []);

Thank you.

Answer 1

Soon the first option will be the only possible one:
https://github.com/symfony/symfony-standard/pull/861