/**
* Request constructor.
*
* @param $to
* @param Options $options
* @param PayloadNotification $notification
* @param PayloadData $data
* @param Topics|null $topic
*/
public function __construct($to, Options $options = null, PayloadNotification $notification = null, PayloadData $data = null, Topics $topic = null)
{
parent::__construct();
$this->to = $to;
$this->options = $options;
$this->notification = $notification;
$this->data = $data;
$this->topic = $topic;
}