Model
BillingAddressPersister
Magento\Quote\Model\Quote\Address\BillingAddressPersister
What it does
This class handles saving billing addresses to quotes in Magento 2.
Developers use it when processing checkout operations to persist customer billing information, validate the address data, and optionally set the same address for shipping.
It manages both guest and customer addresses, including loading existing customer addresses by ID.
Public Methods
- save()