/** * 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; }