Describes how billing details should be collected. All values default to
never is used for a required field for the Payment Method used during checkout, you must provide an appropriate value as part of defaultBillingDetails.
The shipping information for the customer. If set, PaymentSheet will pre-populate the form fields with the values provided. This is used to display a "Billing address is same as shipping" checkbox if
defaultBillingDetails is not provided. If
line1 are populated, it's also attached to the PaymentIntent during payment.