These are the form handlers that have been extended for Assisted Selling.

/B2CStore/Mobile/DCS-CSR/src/atg/projects/store/mobile/commerce/csr/order:

MobileCSRCartModifierFormHandler.java

MobileCSRPaymentGroupFormHandler.java

MobileCSRShippingGroupFormHandler.java

MobileCSRCancelOrderFormHandler.java

MobileCSRCheckoutFormHandler.java