ReadonlyaddressKey of the address in the Cart itemShippingAddresses.
Duplicate address keys are not allowed.
ReadonlyquantityQuantity of Line Items or Custom Line Items shipped to the address with the specified addressKey.
If a quantity is updated to `0` when defining [ItemShippingDetailsDraft](ctp:api:type:ItemShippingDetailsDraft), the `targets` are removed from a Line Item or Custom Line Item in the resulting [ItemShippingDetails](ctp:api:type:ItemShippingDetails).
Optional ReadonlyshippingUser-defined unique identifier of the Shipping Method in a Cart with Multiple ShippingMode.
It connects Line Item or Custom Line Item quantities with individual Shipping Methods.
Determines the address (as a reference to an address in
itemShippingAddresses) and the quantity shipped to the address.