app/code/Magento/Backend/etc/config.xml

.../Magento/Catalog/Model/Category/Attribute/Source/Page.php

...Catalog/Model/Resource/Category/Attribute/Source/Page.php

...og/Test/Unit/Model/Category/Attribute/Source/PageTest.php

app/code/Magento/Checkout/Block/Cart/Sidebar.php

app/code/Magento/Checkout/Controller/Sidebar/RemoveItem.php

...ode/Magento/Checkout/Controller/Sidebar/UpdateItemQty.php

app/code/Magento/Checkout/Model/Cart.php

app/code/Magento/Checkout/Model/Sidebar.php

.../Checkout/Test/Unit/Controller/Sidebar/RemoveItemTest.php

...eckout/Test/Unit/Controller/Sidebar/UpdateItemQtyTest.php

app/code/Magento/Checkout/Test/Unit/Model/SidebarTest.php

app/code/Magento/Checkout/etc/config.xml

app/code/Magento/Checkout/view/frontend/layout/default.xml

...ento/Checkout/view/frontend/templates/cart/minicart.phtml

...ckout/view/frontend/templates/cart/minicart/content.phtml

...eckout/view/frontend/templates/cart/sidebar/default.phtml

...ento/Checkout/view/frontend/templates/cart/subtotal.phtml

app/code/Magento/Checkout/view/frontend/web/js/sidebar.js

app/code/Magento/Cms/Api/BlockRepositoryInterface.php