/**
* Setup all events manager that given from skeleton.
*
* @return $this
*/
private function setupEventManager()
{
// set new instance of events manager
$eventManager = $this->bootstrap->getDI()->get('eventsManager');
$this->bootstrap->setEventsManager($eventManager);
$this->di->setEventsManager($eventManager);
$this->bootstrap->registerEvents();
return $this;
}