message: periodic billing - TODO comment
diff: @@ -417,6 +417,7 @@ export default class StripeBillingIntegration extends BillingIntegration {
  return billingInvoice;
  }
  + // TODO - move this method to the billing abstraction to make it common to all billing implementation
  private async _updateTransactionsBillingData(billingInvoice: BillingInvoice): Promise<void> {
  await Promise.all(billingInvoice.sessions.map(async (session) => {
  const transactionID = session.transactionID;
  