protected function paginationLinks($paginated)
    {
        return [
            'first' => $paginated['first_page_url'] ?? null,
            'last' => $paginated['last_page_url'] ?? null,
            'prev' => $paginated['prev_page_url'] ?? null,
            'next' => $paginated['next_page_url'] ?? null,
        ];
    }