export interface MembershipViewModel { id: number; start: Date; end?: Date; terminationReason?: string; status: string; statusId: number; } export interface MembershipStatisticsViewModel { durationInDays: number; durationInYears: number; exactDuration: string; status: string; statusId: number; memberId: string; memberSalutation: string; memberFirstname: string; memberLastname: string; memberNameaffix: string; memberBirthdate: Date; } export interface MembershipTotalStatisticsViewModel { durationInDays: number; durationInYears: number; exactDuration: string; memberId: string; memberSalutation: string; memberFirstname: string; memberLastname: string; memberNameaffix: string; memberBirthdate: Date; }