Lazily loads listeners for this event from the dependency injection container.
string $eventName The name of the event to dispatch. The name of: the event is the name of the method that is invoked on listeners.
Overrides ContainerAwareEventDispatcher::lazyLoad
protected function lazyLoad($eventName) {
$e = $this->stopwatch
->start($eventName . '.loading', 'event_listener_loading');
parent::lazyLoad($eventName);
$e
->stop();
}