All classes that implement FlashBagInterface
- class \Symfony\Component\HttpFoundation\Session\Flash\AutoExpireFlashBag implements FlashBagInterface
- class \Symfony\Component\HttpFoundation\Session\Flash\FlashBag implements \Symfony\Component\HttpFoundation\Session\Flash\IteratorAggregate, \Symfony\Component\HttpFoundation\Session\Flash\Countable, FlashBagInterface