toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (deliverByDate != null) 'deliverByDate': deliverByDate!,
if (method != null) 'method': method!,
if (pickupPromiseInMinutes != null)
'pickupPromiseInMinutes': pickupPromiseInMinutes!,
if (shipByDate != null) 'shipByDate': shipByDate!,
if (type != null) 'type': type!,
};