equals property
Comparison objects
Implementation
@override
Map<String, Object?> get equals => <String, Object?>{
...super.equals,
JsonKeys.billingCity: billingCity,
JsonKeys.billingCountry: billingCountry,
JsonKeys.billingAddressLine1: billingAddressLine1,
JsonKeys.billingAddressLine2: billingAddressLine2,
JsonKeys.billingAddressLine3: billingAddressLine3,
JsonKeys.billingPostalCode: billingPostalCode,
JsonKeys.billingState: billingState,
};