carrier = $carrier; } public function getCarrier() { return $this->carrier; } public function setTrackingNumber($trackingNumber) { $this->trackingNumber = $trackingNumber; } public function getTrackingNumber() { return $this->trackingNumber; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(ShipmentTrackingInfo::class, 'Google_Service_ShoppingContent_ShipmentTrackingInfo');