chehckoutCartSummary method Null safety

Future<CheckouCartSummaryModel> chehckoutCartSummary(
  1. {required int customerId,
  2. required int storeId,
  3. required int addressId}
)

It's return checkout summary (total - sub total - discount value)

Implementation

Future<CheckouCartSummaryModel> chehckoutCartSummary(
    {required int customerId, required int storeId, required int addressId});