public function attach(EventManagerInterface $events)
    {
    	$this->listeners[] = $events->attach(MvcEvent::EVENT_BOOTSTRAP, [$this, 'onBootstrap'], -100);
    }
public function attach(EventManagerInterface $events)
    {
    	$this->listeners[] = $events->attach(MvcEvent::EVENT_BOOTSTRAP, [$this, 'onBootstrap'], -100);
    }
{@inheritDoc}