import type { SizeValue } from '../../core/theme/types';
export declare const DAYS_PER_WEEK = 7;
/** Edge length of a single day cell. Shared by Day, Month and Calendar so the
 *  grid, its weekday header and the calendar frame all agree on one number.
 *  A numeric `size` is a font size, not a cell size, so it falls back to `md`. */
export declare const getDaySize: (size?: SizeValue) => number;
/** Intrinsic width of a month grid: seven day cells plus the gaps between them.
 *  Calendars size to this instead of stretching to fill their container. */
export declare const getMonthGridWidth: (size?: SizeValue, withCellSpacing?: boolean) => number;
export declare const dateUtils: {
    startOfDay: (date: Date) => Date;
    endOfDay: (date: Date) => Date;
    startOfMonth: (date: Date) => Date;
    endOfMonth: (date: Date) => Date;
    startOfYear: (date: Date) => Date;
    endOfYear: (date: Date) => Date;
    addDays: (date: Date, days: number) => Date;
    addMonths: (date: Date, months: number) => Date;
    addYears: (date: Date, years: number) => Date;
    isSameDay: (date1: Date, date2: Date) => boolean;
    isSameMonth: (date1: Date, date2: Date) => boolean;
    isSameYear: (date1: Date, date2: Date) => boolean;
    isToday: (date: Date) => boolean;
    isWeekend: (date: Date, weekendDays?: number[]) => boolean;
    isInRange: (date: Date, start: Date | null, end: Date | null) => boolean;
    isBetween: (date: Date, start: Date | null, end: Date | null) => boolean;
    getDaysInMonth: (date: Date) => number;
    getMonthCalendar: (date: Date, firstDayOfWeek?: number) => Date[][];
    getMonthNames: (locale?: string) => string[];
    getWeekdayNames: (locale?: string, format?: "long" | "short" | "narrow") => string[];
    formatDate: (date: Date, format: string, locale?: string) => string;
    parseDate: (value: string) => Date | null;
    getDecadeRange: (year: number) => [number, number];
    getYearsInDecade: (date: Date) => number[];
    clampDate: (date: Date, minDate?: Date, maxDate?: Date) => Date;
    isDateDisabled: (date: Date, minDate?: Date, maxDate?: Date, excludeDate?: (date: Date) => boolean) => boolean;
    getDaysInRange: (startDate: Date, numberOfDays: number) => Date[];
    startOfWeek: (date: Date, firstDayOfWeek?: number) => Date;
    getMonthsInYear: (year: number) => Date[];
};