public function findNeighbors(Query $query, array $options)
    {
        $previous = $this->find()
            ->orderAsc($this->getAlias().'.modified')
            ->where($this->getAlias() . '.modified > \'' . $options['modified'] . '\'');
        $next = $this->find()
            ->orderDesc($this->getAlias().'.modified')
            ->where($this->getAlias() . '.modified < \'' . $options['modified'] . '\'');
        return ['prev' => $previous, 'next' => $next];
    }