private function fillInTemplate(PaymentSlipDataObjectInterface $paymentSlipDataObject): string 	{ 		$price = $this->generateTemplatePrice($paymentSlipDataObject->getAmount()); 		$currency = $paymentSlipDataObject->getCurrency(); 		$customerName = $paymentSlipDataObject->getCustomerName(); 		$iban = $paymentSlipDataObject->getIban(); 		$referenceNumber = $paymentSlipDataObject->getOrderNumber();  		// !!! RAZMACI MORAJU BITI !!! 		return "HRVHUB30 			$currency 			$price 			$customerName      			$iban 			HR00 			$referenceNumber 			COST 			Plaćanje narudžbe broj $referenceNumber";  		// $template = "HRVHUB30 		// HRK 		// 000000000012355 		// ŽELJKO SENEKOVIĆ 		// IVANEČKA ULICA 125 		// 42000 VARAŽDIN 		// 2DBK d.d. 		//     ALKARSKI PROLAZ 13B 		// 21230 SINJ 		// HR1210010051863000160 		// HR01 		// 7269-68949637676-00019 		// COST 		// Troškovi za 1. mjesec"; 	}