public override object Clone()
{
var result = base.Clone() as Shipment;
result.DeliveryAddress = DeliveryAddress?.Clone() as Address;
result.ShippingMethod = ShippingMethod?.Clone() as ShippingMethod;
result.CustomerOrder = CustomerOrder?.Clone() as CustomerOrder;
result.Items = Items?.Select(x => x.Clone()).OfType <ShipmentItem>().ToList();
result.Packages = Packages?.Select(x => x.Clone()).OfType <ShipmentPackage>().ToList();
result.InPayments = InPayments?.Select(x => x.Clone()).OfType <PaymentIn>().ToList();
result.Discounts = Discounts?.Select(x => x.Clone()).OfType <Discount>().ToList();
result.TaxDetails = TaxDetails?.Select(x => x.Clone()).OfType <TaxDetail>().ToList();
return(result);
}
