toJson method
Implementation
@override
Map<String, dynamic> toJson() {
if (status != 'success') return super.toJson();
final data = <String, dynamic>{};
data['cardHolderName'] = cardHolderName;
data['checkoutFormContent'] = checkoutFormContent;
data['token'] = token;
data['paymentPageUrl'] = paymentPageUrl;
data['tokenExpireTime'] = tokenExpireTime;
return data;
}