import { TimezoneCalendarDay } from '../../domain/entities/Timezone';
/**
 * CalendarManager
 * Handles calendar grid generation and date comparisons
 */
export declare class CalendarManager {
    /**
     * Get calendar days for a specific month
     */
    getCalendarDays(year: number, month: number, formatDateFn: (date: Date) => string): TimezoneCalendarDay[];
    private createDay;
    isSameDay(date1: Date | string | number, date2: Date | string | number): boolean;
    isToday(date: Date | string | number): boolean;
    addDays(date: Date | string | number, days: number): Date;
    startOfDay(date: Date | string | number): Date;
    endOfDay(date: Date | string | number): Date;
    setTimeOfDay(date: Date | string | number, hours: number, minutes: number): Date;
    getDifferenceInDays(date1: Date | string | number, date2: Date | string | number): number;
    getDaysUntil(date: Date | string | number): number;
    isFuture(date: Date | string | number): boolean;
    isPast(date: Date | string | number): boolean;
    parse(date: Date | string | number): Date;
    isValid(date: Date | string | number): boolean;
    getAge(birthDate: Date | string | number): number;
    isBetween(date: Date | string | number, start: Date | string | number, end: Date | string | number): boolean;
    min(dates: Array<Date | string | number>): Date;
    max(dates: Array<Date | string | number>): Date;
    getWeek(date: Date | string | number): number;
    getQuarter(date: Date | string | number): number;
}