Added the getAddress2() method to the Address interface

Address.php

@@ -45,4 +45,6 @@ public function getCity(): ?string;
      * The address part (Street, number, building, PO box etc)
      */
     public function getAddress(): string;
+
+    public function getAddress2(): ?string;
 }

Changelog.md

@@ -15,6 +15,7 @@
 - Added the `Schematized` interface
 - Added the `getConfigurationSchema()` method to the `Configurable` interface
 - BC: Added the `itemsTotal()` method to the `CheckoutSubject` interface
+- BC: Added the `getAddress2()` method to the `Address` interface
 - BC: Added the following methods to the `Payable` interface:
   - `getNumber()`
   - `getPayableRemoteId()`

Tests/Dummies/Address.php

@@ -79,4 +79,9 @@ public function getAddress(): string
     {
         return $this->address;
     }
+
+    public function getAddress2(): ?string
+    {
+        return null;
+    }
 }