From 783a965df3f54cd4568718d3ae9f80b46b194fe6 Mon Sep 17 00:00:00 2001
From: Faizan Akram <hello@faizanakram.me>
Date: Wed, 21 Aug 2019 19:41:05 +0530
Subject: [PATCH] fixes bug in InvoiceInterface

---
 src/Qbil/Models/InvoiceInterface.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Qbil/Models/InvoiceInterface.php b/src/Qbil/Models/InvoiceInterface.php
index 352cb62..eae6b3a 100644
--- a/src/Qbil/Models/InvoiceInterface.php
+++ b/src/Qbil/Models/InvoiceInterface.php
@@ -6,10 +6,7 @@
 
 interface InvoiceInterface
 {
-    /**
-     * @return InvoiceLineInterface[]
-     */
-    public function addInvoiceLine();
+    public function addInvoiceLine(InvoiceLineInterface $invoiceLine);
     public function getRelation();
     public function getSubsidiary();
     public function getSupplierInvoiceNumber();
@@ -20,6 +17,9 @@ public function getDueDate();
     public function getCurrency();
     public function getTheirVatRegistration();
     public function getOurVatRegistration();
+    /**
+     * @return InvoiceLineInterface[]
+     */
     public function getInvoiceLines();
     public function getOrder();
     public function getContract();