/**
 * Date utilities for effective date logic and rolling windows
 */
export declare function isEffectiveDate(date: Date, effectiveDate: Date, expiryDate?: Date): boolean;
export interface RollingWindow {
    startDate: Date;
    endDate: Date;
    days: number;
}
export declare function calculateRollingWindow(referenceDate: Date, windowDays: number): RollingWindow;
export declare function isWithinRollingWindow(date: Date, window: RollingWindow): boolean;
export declare function filterDatesInWindow(dates: Date[], window: RollingWindow): Date[];
export declare function calculateRetentionExpiry(creationDate: Date, retentionDays: number): Date;
export declare function shouldArchive(creationDate: Date, archivalAfterDays: number, currentDate?: Date): boolean;
export declare function shouldDelete(creationDate: Date, retentionDays: number, currentDate?: Date): boolean;
export declare function formatISO20022Date(date: Date): string;
export declare function formatISO20022DateTime(date: Date): string;
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