Method dispatchEvent

/**
 * Dispatches the given event on the internal dispatcher, does a fallback to the global one.
 *
 * @param   EventInterface  $event  The event
 *
 * @return  void
 *
 * @since   4.1.0
 */
protected function dispatchEvent(EventInterface $event)
{
    try {
        $this->getDispatcher()->dispatch($event->getName(), $event);
    } catch (\UnexpectedValueException $e) {
        Factory::getContainer()->get(DispatcherInterface::class)->dispatch($event->getName(), $event);
    }
}