export interface CalendarDay {
    date: Date;
    isCurrentMonth: boolean;
    isToday: boolean;
    isSelected: boolean;
}
export declare const isSameDay: (d1: Date, d2: Date) => boolean;
export declare const isSameMonth: (d1: Date, d2: Date) => boolean;
export declare const isToday: (date: Date) => boolean;
export declare const startOfMonth: (date: Date) => Date;
export declare const endOfMonth: (date: Date) => Date;
export declare const startOfWeek: (date: Date, weekStartsOn?: number) => Date;
export declare const endOfWeek: (date: Date, weekStartsOn?: number) => Date;
export declare const addMonths: (date: Date, months: number) => Date;
export declare const addDays: (date: Date, days: number) => Date;
export declare const getMonthDays: (viewDate: Date, selectedDate?: Date) => CalendarDay[];
export declare const getWeekDaysShort: () => string[];
export declare const formatMonthYear: (date: Date) => string;