import { RegularHoursInterface } from './Interface/RegularHoursInterface';
import { IndexInterface } from './Interface/IndexInterface';
import { HoursDayInterface } from './Interface/HoursDayInterface';
import { SpecialIndexInterface } from './Interface/SpecialIndexInterface';
import { DateInputInterface } from './Interface/DateInputInterface';
import { LuxonShapeInterface } from './Interface/LuxonShapeInterface';
import { VisitingHour } from './VisitingHour';
export declare class Utils {
    static leapYearKey: string;
    static postLeapYearKey: string;
    static dayNames: string[];
    static isLeapYear(date: Date): boolean;
    static dayNumber(name: string): number;
    static dayName(index: number): string;
    /**
     * Create an array of times between `startAt` and `endAt` with an interval of `interval` minutes.
     * Each entry in the array is a VisitingHour instance for easy manipulation.
     *
     *  Example: minuteInterval('07:55', '09:00', 15); // ['08:00', '08:15', '08:30', '08:45', '09:00']
     *
     * @param startAt
     * @param endAt
     * @param interval
     * @param {Date} [forDate] What date the range is for. Adds a timestamp to the VisitingHour.
     */
    static minuteInterval(startAt: string, endAt: string, interval?: number, forZone?: string, forDate?: Date): VisitingHour[];
    static fromLuxon(date: LuxonShapeInterface): DateInputInterface;
    static fromDate(inputDate: Date, zone?: string): DateInputInterface;
    static dateName(date?: Date): string;
    static nextDay(day: number): DayNumber;
    static toMilitary(hours: number, minutes: number): string;
    static buildSpecialIndex(special: HoursDayInterface[]): SpecialIndexInterface;
    static buildIndex(regular: RegularHoursInterface): IndexInterface;
    static timeValues({ open, close }: {
        open: string;
        close: string;
    }): number[];
    private static makeDayIndex;
}
declare type DayNumber = 0 | 1 | 2 | 3 | 4 | 5 | 6;
export {};