import { PriceDuration } from "./plan" export interface Customer { balance: number | null | undefined currency: string | null | undefined } export interface Subscription { amount: number quantity: number duration: PriceDuration cancelAt: number | null | undefined currentPeriodStart: number currentPeriodEnd: number status: string pastDueAt?: number | null downgradeAt?: number } export interface Billing { customer: Customer subscription?: Subscription }