import { Period } from "./Period.js";
/**
 * Utility class for managing periods.
 * WebUntis returns lessons matching the school's timegrid,
 * if you want to get the weekly lesson schedules instead of every occurance or combine lessons into double lessons, you can use this class.
 */
export declare class Timetable implements Iterable<Period> {
    private periods;
    constructor(periods: Period[]);
    /**
     * Creates a new Timetale from an array of periods. Equal to {@link Timetable.constructor()}.
     * @param periods periods in the timetable
     * @returns a new timetable
     */
    static from(periods: Period[]): Timetable;
    [Symbol.iterator](): {
        next: () => {
            value: Period;
            done: boolean;
        };
    };
    /**
     * Returns all periods in the timetable.
     * @returns the periods, sorted by their date and start time
     */
    getPeriods: () => Period[];
    /**
     * Amount of periods in the timetable.
     */
    get size(): number;
    /**
     * Filters the periods by whether they meet the condition in the callback function.
     * @param callbackfn function that filters the periods
     * @returns a new timetable containing only the periods that matched met the condition
     */
    filterPeriods: (callbackfn: (period: Period, index: number, array: Period[]) => boolean) => Timetable;
    /**
     * Applies a function to every period.
     * @param callbackfn function that is applied to every period
     * @returns an array containing the results
     */
    mapPeriods: <T>(callbackfn: (period: Period, index: number, array: Period[]) => T) => T[];
    /**
     * Applies a function to every period.
     * @param callbackfn function that is applied to every period
     */
    forEach: (callbackfn: (period: Period, index: number, array: Period[]) => void) => void;
    /**
     * Combines sequential periods into longer periods.
     * Periods are sequential if {@link Period.canBeCombinedWith()} is true
     * @returns a new timetable
     */
    combinePeriods: () => Timetable;
    /**
     * Groups all periods into their schedule.
     * Schedules are determined by a period's lessonNumber, weekday, start-, and enddate
     * @returns a 2-dimensional array of periods. All periods in an array belong to the same schedule
     */
    groupBySchedule: () => Period[][];
}