16 files declare their use of Address in Ubercart 8.4

AddressForm.php in shipping/uc_fulfillment/src/Form/AddressForm.php

AddressPaneBase.php in uc_cart/src/Plugin/Ubercart/CheckoutPane/AddressPaneBase.php

AddressTest.php in uc_store/tests/src/Functional/AddressTest.php

AddressTestTrait.php in uc_store/tests/src/Traits/AddressTestTrait.php

Check.php in payment/uc_payment_pack/src/Plugin/Ubercart/PaymentMethod/Check.php

Order.php in uc_order/src/Entity/Order.php

OrderInterface.php in uc_order/src/OrderInterface.php

OrderTest.php in uc_order/tests/src/Functional/OrderTest.php

Shipment.php in shipping/uc_fulfillment/src/Shipment.php

ShipmentController.php in shipping/uc_fulfillment/src/Controller/ShipmentController.php

ShipmentEditForm.php in shipping/uc_fulfillment/src/Form/ShipmentEditForm.php

UcAddress.php in uc_store/src/Element/UcAddress.php

uc_fulfillment.rules.inc in shipping/uc_fulfillment/uc_fulfillment.rules.inc

Rules hooks for uc_fulfillment.module.

uc_quote.module in shipping/uc_quote/uc_quote.module

The controller module for fulfillment modules that process physical goods.

uc_store.module in uc_store/uc_store.module

Contains global Ubercart functions and store administration functionality.

uc_ups.ship.inc in shipping/uc_ups/src/Plugin/Ubercart/FulfillmentMethod/uc_ups.ship.inc

UPS functions for label generation.