sort query by relation laravel code example

Example 1: laravel orderby with relation

$users = User::with(['student' => function ($q) {
            $q->orderBy('id', 'desc');
        }]);

Example 2: laravel OrderBy on Eloquent whereHas relationship

$counties = County::whereHas('items', function ($query) {
    $query->where('approved', 1);
})->orderBy('name')->get();