in membership-common/src/main/scala/com/gu/stripe/Stripe.scala [56:65]
def nextPaymentDate = if (isCancelled) None else Some(currentPeriodEnd)
}
case class SubscriptionPlan(id: String, amount: Int, interval: String, currency: Currency)
case class SubscriptionCustomer(id: String, email: String)
case class CreateCustomerResponse(id: String) extends StripeObject
case class Customer(id: String, cards: StripeList[Card]) extends StripeObject {