toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (country != null) 'country': country!,
if (locationGroupName != null) 'locationGroupName': locationGroupName!,
if (locationId != null) 'locationId': locationId!,
if (maxHandlingTime != null) 'maxHandlingTime': maxHandlingTime!,
if (maxTransitTime != null) 'maxTransitTime': maxTransitTime!,
if (minHandlingTime != null) 'minHandlingTime': minHandlingTime!,
if (minTransitTime != null) 'minTransitTime': minTransitTime!,
if (postalCode != null) 'postalCode': postalCode!,
if (price != null) 'price': price!,
if (region != null) 'region': region!,
if (service != null) 'service': service!,
};