public function subscribe($events)
{
$events->listen(\App\Events\Backend\Access\Role\RoleCreated::class, 'App\\Listeners\\Backend\\Access\\Role\\RoleEventListener@onCreated');
$events->listen(\App\Events\Backend\Access\Role\RoleUpdated::class, 'App\\Listeners\\Backend\\Access\\Role\\RoleEventListener@onUpdated');
$events->listen(\App\Events\Backend\Access\Role\RoleDeleted::class, 'App\\Listeners\\Backend\\Access\\Role\\RoleEventListener@onDeleted');
}