updateAddressCity method
Implementation
InsurancePlanContact updateAddressCity(String city) => address == null
? copyWith(address: Address(city: city))
: copyWith(address: address!.updateCity(city));
InsurancePlanContact updateAddressCity(String city) => address == null
? copyWith(address: Address(city: city))
: copyWith(address: address!.updateCity(city));