[fix] Property shippingAddress has unknown class Magento\InstantPurchase\Model\AddressIn as its type.

Author: Marcel Hauri

app/code/Magento/InstantPurchase/Model/InstantPurchaseOption.php

@@ -25,7 +25,7 @@ class InstantPurchaseOption
     private $paymentToken;
 
     /**
-     * @var AddressIn
+     * @var Address
      */
     private $shippingAddress;