$this->checkOwnablePermission('bookshelf-update', $shelf);
$validated = $this->validate($request, [
'name' => ['required', 'string', 'max:255'],
$this->checkOwnablePermission('bookshelf-update', $shelf);
$validated = $this->validate($request, [
'name' => ['required', 'string', 'max:255'],