...eckout/view/frontend/web/js/model/new-customer-address.js

...code/Magento/Checkout/view/frontend/web/js/model/quote.js

app/code/Magento/Customer/Model/Address.php

app/code/Magento/Customer/Model/Address/AbstractAddress.php

...de/Magento/Customer/Model/Address/CustomAttributeList.php

...o/Customer/Model/Address/CustomAttributeListInterface.php

app/code/Magento/Customer/etc/di.xml

...o/Customer/view/frontend/web/js/model/customer/address.js

app/code/Magento/Quote/Model/Quote/Item/Compare.php

app/code/Magento/Quote/Model/QuoteManagement.php

.../Magento/Quote/Test/Unit/Model/Quote/Item/CompareTest.php

...ode/Magento/Quote/Test/Unit/Model/QuoteManagementTest.php

.../SalesRule/view/frontend/web/js/action/set-coupon-code.js

...l/testsuite/Magento/Quote/Api/GuestCartManagementTest.php