All classes that implement EventDispatcherInterface in Zircon Profile 8

class \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher implements EventDispatcherInterface
class \Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher
class \Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher implements TraceableEventDispatcherInterface
class \Symfony\Component\EventDispatcher\EventDispatcher implements EventDispatcherInterface
class \Symfony\Component\EventDispatcher\ImmutableEventDispatcher implements EventDispatcherInterface
class \Symfony\Component\HttpKernel\Debug\TraceableEventDispatcher
class \Symfony\Component\HttpKernel\Tests\Fixtures\TestEventDispatcher implements TraceableEventDispatcherInterface

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