import type { DisabledDate, SelectionTypes, ViewTypes } from './types';
export type BaseGroups = {
    year: string;
    month: string;
    day: string;
};
export type WeekGroups = {
    year: string;
    week: string;
};
export type MonthGroups = {
    year: string;
    month: string;
};
export type YearGroups = {
    year: string;
};
/**
 * Converts an ISO week string to a Date object representing the Monday of that week.
 * @param isoWeek - The ISO week string (e.g., "2023W05" or "2023w05").
 * @returns The Date object for the Monday of the specified week.
 */
export declare const convertIsoWeekToDate: (isoWeek: string) => Date;
/**
 * Converts a date string or Date object to a Date object based on selection type.
 * @param date - The date to convert.
 * @param selectionType - The type of selection ('day', 'week', 'month', 'year').
 * @param locale - The locale to use for date parsing (for day parsing).
 * @param includeTime - Whether to include time parsing (for day parsing).
 * @returns The corresponding Date object or null if invalid.
 */
export declare const convertToDateObject: (date: Date | string, selectionType?: SelectionTypes, locale?: string, includeTime?: boolean) => Date | null;
/**
 * Enhanced locale-aware date parsing function (replaces getLocalDateFromString).
 * @param dateString - The date string to parse.
 * @param locale - The locale to use for date format patterns.
 * @param includeTime - Whether to include time parsing.
 * @param selectionType - The selection type ('day', 'week', 'month', 'quarter', 'year').
 * @returns A Date object if parsing succeeds, null if parsing fails.
 */
export declare const getLocalDateFromString: (dateString: string, locale?: string, includeTime?: boolean, selectionType?: SelectionTypes) => Date | null;
/**
 * Creates groups from an array.
 * @param arr - The array to group.
 * @param numberOfGroups - Number of groups to create.
 * @returns An array of grouped arrays.
 */
export declare const createGroupsInArray: <T>(arr: T[], numberOfGroups: number) => T[][];
/**
 * Adjusts the calendar date based on order and view type.
 * @param calendarDate - The current calendar date.
 * @param order - The order to adjust by.
 * @param view - The current view type.
 * @returns The adjusted Date object.
 */
export declare const getCalendarDate: (calendarDate: Date, order: number, view: ViewTypes) => Date;
/**
 * Formats a date based on the selection type.
 * @param date - The date to format.
 * @param selectionType - The type of selection ('day', 'week', 'month', 'quarter', 'year').
 * @returns A formatted date string or the original Date object.
 */
export declare const getDateBySelectionType: (date: Date | null, selectionType: SelectionTypes) => string | Date | null;
/**
 * Retrieves the first available date within a range that is not disabled.
 * @param startDate - Start date of the range.
 * @param endDate - End date of the range.
 * @param min - Minimum allowed date.
 * @param max - Maximum allowed date.
 * @param disabledDates - Criteria for disabled dates.
 * @returns The first available Date object or null if none found.
 */
export declare const getFirstAvailableDateInRange: (startDate: Date, endDate: Date, min?: Date | null, max?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => Date | null;
/**
 * Retrieves an array of month names based on locale and format.
 * @param locale - The locale string (e.g., 'en-US').
 * @param format - The format of the month names ('short' or 'long').
 * @returns An array of month names.
 */
export declare const getMonthsNames: (locale: string, format?: "long" | "narrow" | "short" | "numeric" | "2-digit") => string[];
/**
 * Retrieves an array of selectable dates from the given element.
 * @param element - The HTML element to search for selectable dates.
 * @param selector - The CSS selector used to identify selectable dates. Defaults to 'tr[tabindex="0"], td[tabindex="0"]'.
 * @returns An array of HTMLElements representing the selectable dates.
 */
export declare const getSelectableDates: (element: HTMLElement, selector?: string) => HTMLElement[];
/**
 * Generates an array of years centered around a given year.
 * @param year - The central year.
 * @param range - The number of years before and after the central year.
 * @returns An array of years.
 */
export declare const getYears: (year: number, range?: number) => number[];
/**
 * Calculates the ISO 8601 week number and year for a given date.
 *
 * In the ISO 8601 standard:
 * - Weeks start on Monday.
 * - The first week of the year is the one that contains January 4th.
 * - The year of the week may differ from the calendar year (e.g., Dec 29, 2025 is in ISO year 2026).
 *
 * @param {Date} date - The date for which to calculate the ISO week number and year.
 * @returns {{ weekNumber: number, year: number }} An object containing:
 *   - `weekNumber`: the ISO week number (1–53),
 *   - `year`: the ISO year (may differ from the calendar year of the date).
 */
export declare const getISOWeekNumberAndYear: (date: Date) => {
    weekNumber: number;
    year: number;
};
/**
 * Retrieves detailed information about each week in a month for calendar rendering.
 * @param year - The year.
 * @param month - The month (0-11).
 * @param firstDayOfWeek - The first day of the week (0-6, where 0 is Sunday).
 * @returns An array of week objects containing week numbers and day details.
 */
export declare const getMonthDetails: (year: number, month: number, firstDayOfWeek: number) => {
    week: {
        number: number;
        year: number;
    };
    days: {
        date: Date;
        month: string;
    }[];
}[];
/**
 * Checks if a date is disabled based on the 'date' period type.
 * @param date - The date to check.
 * @param min - Minimum allowed date.
 * @param max - Maximum allowed date.
 * @param disabledDates - Criteria for disabled dates.
 * @returns True if the date is disabled, false otherwise.
 */
export declare const isDateDisabled: (date: Date, min?: Date | null, max?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => boolean;
/**
 * Checks if a date is within a specified range.
 * @param date - The date to check.
 * @param start - Start date of the range.
 * @param end - End date of the range.
 * @returns True if the date is within the range, false otherwise.
 */
export declare const isDateInRange: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if a date is selected based on start and end dates.
 * @param date - The date to check.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the date is selected, false otherwise.
 */
export declare const isDateSelected: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Determines if any date within a range is disabled.
 * @param startDate - Start date of the range.
 * @param endDate - End date of the range.
 * @param disabledDates - Criteria for disabled dates.
 * @returns True if any date in the range is disabled, false otherwise.
 */
export declare const isDisableDateInRange: (startDate?: Date | null, endDate?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => boolean;
/**
 * Checks if a month is disabled based on the 'month' period type.
 * @param date - The date representing the month to check.
 * @param min - Minimum allowed date.
 * @param max - Maximum allowed date.
 * @param disabledDates - Criteria for disabled dates.
 * @returns True if the month is disabled, false otherwise.
 */
export declare const isMonthDisabled: (date: Date, min?: Date | null, max?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => boolean;
/**
 * Checks if a month is selected based on start and end dates.
 * @param date - The date representing the month.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the month is selected, false otherwise.
 */
export declare const isMonthSelected: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if a month is within a specified range.
 * @param date - The date representing the month.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the month is within the range, false otherwise.
 */
export declare const isMonthInRange: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if a quarter is disabled based on the 'quarter' period type.
 * @param date - The date representing the quarter to check.
 * @param min - Minimum allowed date.
 * @param max - Maximum allowed date.
 * @param disabledDates - Criteria for disabled dates.
 * @returns True if the quarter is disabled, false otherwise.
 */
export declare const isQuarterDisabled: (date: Date, min?: Date | null, max?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => boolean;
/**
 * Checks if a quarter is selected based on start and end dates.
 * @param date - The date representing the quarter.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the quarter is selected, false otherwise.
 */
export declare const isQuarterSelected: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if a quarter is within a specified range.
 * @param date - The date representing the quarter.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the quarter is within the range, false otherwise.
 */
export declare const isQuarterInRange: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if two dates are the same calendar date.
 * @param date - First date.
 * @param date2 - Second date.
 * @returns True if both dates are the same, false otherwise.
 */
export declare const isSameDateAs: (date: Date | null, date2: Date | null) => boolean;
/**
 * Checks if a date is today.
 * @param date - The date to check.
 * @returns True if the date is today, false otherwise.
 */
export declare const isToday: (date: Date) => boolean;
/**
 * Checks if a year is disabled based on the 'year' period type.
 * @param date - The date representing the year to check.
 * @param min - Minimum allowed date.
 * @param max - Maximum allowed date.
 * @param disabledDates - Criteria for disabled dates.
 * @returns True if the year is disabled, false otherwise.
 */
export declare const isYearDisabled: (date: Date, min?: Date | null, max?: Date | null, disabledDates?: DisabledDate | DisabledDate[]) => boolean;
/**
 * Checks if a year is selected based on start and end dates.
 * @param date - The date representing the year.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the year matches the start's or end's year, false otherwise.
 */
export declare const isYearSelected: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Checks if a year is within a specified range.
 * @param date - The date representing the year.
 * @param start - Start date.
 * @param end - End date.
 * @returns True if the year's value lies between start's year and end's year, false otherwise.
 */
export declare const isYearInRange: (date: Date, start: Date | null, end: Date | null) => boolean;
/**
 * Removes the time component from a Date object.
 * @param date - The original date.
 * @returns A new Date object with the time set to 00:00:00.
 */
export declare const removeTimeFromDate: (date: Date) => Date;
/**
 * Copies the time (hours, minutes, seconds, milliseconds) from one Date to another.
 *
 * @param {Date} target - The date whose time will be updated.
 * @param {Date | null} source - The date to copy the time from.
 * @returns {Date} A new Date instance with the date from `target` and time from `source`.
 */
export declare const setTimeFromDate: (target: Date | null, source: Date | null) => Date | null;
/**
 * Parses a year string with smart 2-digit handling.
 * @param yearString - The year string to parse.
 * @returns The parsed year as a number with intelligent century assignment.
 */
export declare const parseYearSmart: (yearString: string) => number;
/**
 * Creates a date from year groups.
 * @param groups - The year groups containing year string.
 * @returns A Date object for January 1st of the year.
 */
export declare const createDateFromYear: (groups: YearGroups) => Date;
/**
 * Creates a date from month groups.
 * @param groups - The month groups containing year and month strings.
 * @returns A Date object for the first day of the month.
 */
export declare const createDateFromMonth: (groups: MonthGroups) => Date;
/**
 * Creates a date from week groups.
 * @param groups - The week groups containing year and week strings.
 * @returns A Date object for the Monday of the specified week.
 */
export declare const createDateFromWeek: (groups: WeekGroups) => Date;