export type PlanExpiryInput = string | number | Date | null | undefined;
export declare function splitMonthsAndDays(from: Date, to: Date): {
    months: number;
    days: number;
};
export declare function formatPlanExpiry(expiryDate: PlanExpiryInput, now?: Date): string;
export declare function formatPlanRemaining(expiryDate: PlanExpiryInput, now?: Date): string;
export declare function formatPlanElapsed(expiryDate: PlanExpiryInput, now?: Date): string;