toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (externalSubscription != null)
'externalSubscription': externalSubscription!,
if (externalTransactionToken != null)
'externalTransactionToken': externalTransactionToken!,
if (initialExternalTransactionId != null)
'initialExternalTransactionId': initialExternalTransactionId!,
if (migratedTransactionProgram != null)
'migratedTransactionProgram': migratedTransactionProgram!,
if (otherRecurringProduct != null)
'otherRecurringProduct': otherRecurringProduct!,
};