public function index($page = null, $status = null)
    {
        $url = sprintf('buckets/%d/todolists/%d/todos.json', $this->bucket, $this->parent);

        $todos = $this->client->get($url, [
            'query' => [
                'status' => $status,
                'page' => $page,
            ],
        ]);

        return $this->indexResponse($todos, Todo::class);
    }