import type { CalendarDay } from './types.js';
export declare function pad2(value: number): string;
export declare function toIsoDate(date: Date): string;
export declare function parseIsoDate(value: string): Date | null;
export declare function formatDisplayDate(value: string, dateFormat: string): string;
export declare function startOfMonth(date: Date): Date;
export declare function addMonths(date: Date, amount: number): Date;
export declare function isSameDay(left: Date, right: Date): boolean;
export declare function buildCalendarDays(visibleMonth: Date): CalendarDay[];
export declare function getMonthLabel(date: Date): string;
export declare function getWeekdayLabels(): string[];
export declare function normalizeManualInput(value: string): string;
//# sourceMappingURL=date-utils.d.ts.map