public function getLabel()
    {
        /** @var DeliveryFieldsService $deliveryFieldsService */
        $deliveryFieldsService = $this->getServiceLocator()->get(DeliveryFieldsService::SERVICE_ID);
        $label = $deliveryFieldsService->getLabel(
            $this->getImplementation()->getDelivery(),
            $this->getImplementation()->getLabel()
        );
        return $label;
    }