toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'state': state?.toJson(),
'payment_options': paymentOptions.map((item) => item.toJson()).toList(),
'animations': animations.map((item) => item.toJson()).toList(),
'business_animations': businessAnimations
.map((item) => item.toJson())
.toList(),
'@type': constructor,
};