BillingPeriod: {    accountServiceId: number;    additionalHours: number;    additionalHoursPrice: number;    apiBillingPeriodType: BillingType;    createTime: number;    endBillingPeriod: number;    id: number;    lastPaymentDate: number;    paid: boolean;    paymentMethod: PaymentMethod;    plan: string;    servicePrice: number;    startBillingPeriod: number;    subscriptionEnd: number;    subscriptionStart: number;    totalPrice: number;    usages: BillingPeriodUsage[];} Type declaration
- accountServiceId: number
- additionalHours: number
- additionalHoursPrice: number
- createTime: number
- endBillingPeriod: number
- id: number
- lastPaymentDate: number
- paid: boolean
- plan: string
- servicePrice: number
- startBillingPeriod: number
- subscriptionEnd: number
- subscriptionStart: number
- totalPrice: number