6 files declare their use of ChainPriceResolverInterface in Commerce Core 8.2

AddToCartForm.php in modules/cart/src/Form/AddToCartForm.php

BuyXGetY.php in modules/promotion/src/Plugin/Commerce/PromotionOffer/BuyXGetY.php

OrderRefresh.php in modules/order/src/OrderRefresh.php

PriceCalculatedFormatter.php in modules/price/src/Plugin/Field/FieldFormatter/PriceCalculatedFormatter.php

PriceCalculator.php in modules/order/src/PriceCalculator.php

UnitPriceWidget.php in modules/order/src/Plugin/Field/FieldWidget/UnitPriceWidget.php