import { WeekDay } from '@angular/common';
export declare const sortWeekDays: (firstDayOfWeek: WeekDay) => WeekDay[];
/**
 * Safely converts a value to a Date object, handling timezone issues.
 * If the value is already a Date, returns it as-is.
 * If it's a string in ISO format (YYYY-MM-DD), parses it in local timezone.
 * Otherwise, uses standard Date constructor.
 */
export declare const toLocalDate: (value: Date | string) => Date;
/** Sets labels and sort weekday arrays based off of first day of week. */
export declare const getSortedWeekDays: (firstDayOfWeek: WeekDay, startDate?: Date) => Date[];
/** Generate a matrix of dates used to visualize a calendar month. */
export declare const generateDateMatrix: (month: number, year: number, minWeeks: number | undefined, firstDayOfWeek: WeekDay) => Date[][];
/** Returns the first date used in the calendars first button. */
export declare const firstCalendarDate: (date: Date, firstDayOfWeek: WeekDay) => Date;
export declare const getDayOffset: (from: WeekDay, to: WeekDay, firstDayOfWeek: WeekDay, direction?: "forward" | "back") => number;
/** Returns an array of Dates for each of month. */
export declare const getMonthArray: () => Date[];
/** Returns an array of Dates for the current year and the next. */
export declare const getYearArray: () => Date[];
/** Returns true if the two dates have the same year, month and date values. */
export declare const match: (a: Date | undefined, b: Date | undefined) => boolean;
export declare const afterClosingHours: (closingHours: Date | undefined) => boolean;
/**
 * Checks if a date is before control date, regardless of time.
 *
 * @param date - comparison date
 * @param controlDate - date to compare against
 * @returns - true if the comparison date is before the control date
 */
export declare const isBefore: (date: Date, controlDate: Date) => boolean;
/**
 * Checks if a date is after control date, regardless of time.
 *
 * @param date - comparison date
 * @param controlDate - date to compare against
 * @returns - true if the comparison date is before the control date
 */
export declare const isAfter: (date: Date, controlDate: Date) => boolean;
/**
 * Checks if a value can be used to initiate a new Date object.
 *
 * @param value any value
 * @returns - true if value can be coersed to a Date.
 */
export declare const isValid: (value: any) => boolean;