private function getMutationQueryParams($options = [])
    {
        $query = ['returnIds' => 'true'];

        if (!isset($options['returnDocuments']) || $options['returnDocuments']) {
            $query['returnDocuments'] = 'true';
        }

        if (isset($options['visibility']) && $options['visibility'] !== 'sync') {
            $query['visibility'] = $options['visibility'];
        }

        return $query;
    }