17 files declare their use of EntityHelper in Commerce Core 8.2

commerce_checkout.module in modules/checkout/commerce_checkout.module

Provides configurable checkout flows.

commerce_product.module in modules/product/commerce_product.module

Defines the Product entity and associated features.

CustomerProfile.php in modules/order/src/Plugin/Commerce/InlineForm/CustomerProfile.php

EntitySelect.php in src/Element/EntitySelect.php

EntitySelectWidgetTest.php in tests/src/Functional/EntitySelectWidgetTest.php

OrderItemTypeForm.php in modules/order/src/Form/OrderItemTypeForm.php

OrderTypeForm.php in modules/order/src/Form/OrderTypeForm.php

PaymentOptionsBuilder.php in modules/payment/src/PaymentOptionsBuilder.php

ProductAdminTest.php in modules/product/tests/src/Functional/ProductAdminTest.php

ProductAttributeForm.php in modules/product/src/Form/ProductAttributeForm.php

ProductAttributesOverview.php in modules/product/src/Plugin/Field/FieldFormatter/ProductAttributesOverview.php

ProductTypeForm.php in modules/product/src/Form/ProductTypeForm.php

ProductVariation.php in modules/product/src/Entity/ProductVariation.php

ProductVariationInlineForm.php in modules/product/src/Form/ProductVariationInlineForm.php

ProductVariationListBuilder.php in modules/product/src/ProductVariationListBuilder.php

ProductVariationTypeForm.php in modules/product/src/Form/ProductVariationTypeForm.php

PromotionUsage.php in modules/promotion/src/PromotionUsage.php