use BookStack\Entities\Models\Book;
use BookStack\Entities\Models\Chapter;
use BookStack\Entities\Models\Entity;
-use BookStack\Auth\Role;
use BookStack\Auth\Permissions\PermissionService;
use BookStack\Entities\Models\Page;
use BookStack\Settings\SettingService;
/**
* Create a group of entities that belong to a specific user.
*/
- protected function createEntityChainBelongingToUser(User $creatorUser, ?User $updaterUser): array
+ protected function createEntityChainBelongingToUser(User $creatorUser, ?User $updaterUser = null): array
{
if (empty($updaterUser)) {
$updaterUser = $creatorUser;