Expanded class hierarchy of NamespacedAttributeBag in Zircon Profile 8
- class \Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag implements \Symfony\Component\HttpFoundation\Session\Attribute\IteratorAggregate, \Symfony\Component\HttpFoundation\Session\Attribute\Countable, AttributeBagInterface
- class \Symfony\Component\HttpFoundation\Session\Attribute\NamespacedAttributeBag