lib/components/security/AuthorityBehavior.php
public function handleRelationChange(RelationshipEvent $event)
    {
        if (get_class($event->parentObject) === $this->owner->primaryModel) {
            Cacher::invalidateGroup('aros');
        }
    }
public function handleRelationChange(RelationshipEvent $event)
    {
        if (get_class($event->parentObject) === $this->owner->primaryModel) {
            Cacher::invalidateGroup('aros');
        }
    }
[[@doctodo method_description:handleRelationChange]].

@param cascade\components\types\RelationshipEvent $event [[@doctodo param_description:event]]