export interface MembershipViewModel { id: number; internalId?: string; start: Date; end?: Date; terminationReason?: string; status: string; } export interface CreateMembershipViewModel { internalId?: string; start: Date; end?: Date; terminationReason?: string; statusId: number; } export interface UpdateMembershipViewModel { id: number; internalId?: string; start: Date; end?: Date; terminationReason?: string; statusId: number; }