toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'__typename': 'DeveloperProvidedBillingDetailsAndroid',
'externalTransactionToken': externalTransactionToken,
'linkUri': linkUri,
'originalExternalTransactionId': originalExternalTransactionId,
'products': products.map((e) => e.toJson()).toList(),
};
}