protected function lazyLoad($eventName)
    {
        if (isset($this->listenerIds[$eventName])) {
            foreach ($this->listenerIds[$eventName] as $args) {
                list($serviceId, $method, $priority) = $args;
                $listener = $this->container->get($serviceId);

                $key = $serviceId.'.'.$method;
                if (!isset($this->listeners[$eventName][$key])) {
                    $this->addListener($eventName, array($listener, $method), $priority);
                } elseif ($listener !== $this->listeners[$eventName][$key]) {
                    parent::removeListener($eventName, array($this->listeners[$eventName][$key], $method));
                    $this->addListener($eventName, array($listener, $method), $priority);
                }

                $this->listeners[$eventName][$key] = $listener;
            }
        }
    }