export declare class HistoricalBillingPlan { id: number; planId: string; name: string; description: string | null; consumer: string; modelFamily: string; model: string | null; planCode: string; price: number; totalPrice: number; billingInterval: number; annual: boolean; prepaid: boolean; legacy: boolean; test: boolean; validFrom: Date | null; validUntil: Date | null; createdAt: Date; new: boolean; enabled: boolean; }