Model
BillingAddressPersister
Magento\Quote\Model\Quote\Address\BillingAddressPersister
What it does
This class handles saving billing address information to a shopping cart quote in Magento 2.
Developers use it when implementing checkout functionality or custom address management, as it validates and persists billing addresses while optionally setting the same address for shipping.
It integrates with customer address book data when a customer address ID is provided.
Public Methods
- save()