toJson method
Implementation
Map<String, Object?> toJson() => {
'kind': kind.wire,
'item': item,
'plan': plan?.wire,
'amount': amount,
'name': name,
'description': description,
'price': price,
'freeTrialDays': freeTrialDays,
'appStore': appStore,
'googlePlay': googlePlay.toJson(),
};