toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (address != null) 'address': address!,
if (country != null) 'country': country!,
if (kind != null) 'kind': kind!,
if (label != null) 'label': label!,
if (phoneNumber != null) 'phoneNumber': phoneNumber!,
if (returnAddressId != null) 'returnAddressId': returnAddressId!,
};