import type { TypographyColorVariant, TypographyVariant } from '../Typography';
import { CalendarSize } from './types';
export declare function safeFormatLocale(localeValue: string): string;
export declare function formatMonth(monthNumber: number, locale: string): string;
export declare function getMonths(locale: string): string[];
export declare function getDayOfWeeks(lang: string, firstDayOfWeek: 0 | 1): string[];
export declare function getDaysInMonth(monthValue: number, yearValue: number, firstDayOfWeek: 0 | 1, daysInMonth?: 'fixed' | 'dynamic'): Date[];
export declare function getDayColor(options: {
    isDisabled: boolean;
    isSelected: boolean;
    showCurrentDate: boolean;
    currentDate: Date;
}): TypographyColorVariant;
export declare function getMonthColor(options: {
    showCurrentDate: boolean;
    currentMonth: number;
    selectedMonth: number;
}): TypographyColorVariant;
export declare function getYearColor(options: {
    showCurrentDate: boolean;
    currentYear: number;
    selectedYear: number;
}): TypographyColorVariant;
export declare function getDayVariant(options: {
    size: CalendarSize;
    currentDate: Date;
}): TypographyVariant;
export declare function getDisabled(currentDate: Date, excludeDate: ((date: Date) => boolean) | undefined): boolean;
export declare function getSupposed(options: {
    allowDateRange: boolean;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
    hoveredDate?: Date | null;
    externalInputStartRangeElement?: HTMLInputElement | null;
    externalInputEndRangeElement?: HTMLInputElement | null;
}): boolean;
export declare function getSelected(options: {
    allowDateRange: boolean;
    isSupposed: boolean;
    currentDate: Date;
    selectedDate?: Date | null;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
    externalInputStartRangeElement?: HTMLInputElement | null;
    externalInputEndRangeElement?: HTMLInputElement | null;
}): boolean;
export declare function getRangeSelected(options: {
    allowDateRange: boolean;
    isSupposed: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
}): boolean;
export declare function getRangeSelectedRight(options: {
    isSelected: boolean;
    isSupposed: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
}): boolean;
export declare function getRangeSelectedLeft(options: {
    isSelected: boolean;
    isSupposed: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
}): boolean;
export declare function getRangeSupposed(options: {
    allowDateRange: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
    hoveredDate?: Date | null;
    externalInputStartRangeElement?: HTMLInputElement | null;
    externalInputEndRangeElement?: HTMLInputElement | null;
}): boolean;
export declare function getRangeSupposedRight(options: {
    allowDateRange: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
    hoveredDate?: Date | null;
    externalInputStartRangeElement?: HTMLInputElement | null;
    externalInputEndRangeElement?: HTMLInputElement | null;
}): boolean;
export declare function getRangeSupposedLeft(options: {
    allowDateRange: boolean;
    currentDate: Date;
    selectedStartDate?: Date | null;
    selectedEndDate?: Date | null;
    hoveredDate?: Date | null;
    externalInputStartRangeElement?: HTMLInputElement | null;
    externalInputEndRangeElement?: HTMLInputElement | null;
}): boolean;
export declare function getDefaultMonthList(month: number, year: number): {
    month: number;
    year: number;
}[];
export declare function formatDate(date?: Date | null): string;
export declare function createDateFromString(dateString?: string | null): Date | null;
export declare function getFocusedDay(options: {
    currentDate: Date;
    currentMonth: number;
    currentYear: number;
}): boolean;
export declare function incrementDay(focusedDay: Element | null, step?: number): string | null;
export declare function decrementDay(focusedDay: Element | null, step?: number): string | null;
export declare function normalizeDateToStartOfDayUTC(date: Date): Date;