import { EventStorage } from '../../../common/api/EventStorage';
export declare enum DateRange {
    DAY = 0,
    WEEK = 1,
    MONTH = 2,
    YEAR = 3,
    YEARS = 4
}
/**
 * Class used to check if closest DayRange to interval provided
 * by user is filled with empty arrays.
 *
 * @privateRemarks
 * The idea of strict DateRanges might not be the most flexible
 * one, since it was made based on default views provided by calendar.
 * Might need a little refractor in future if custom views will require it.
 *
 * @internal
 */
export default class EventStoragePresenceHelper {
    /**
     * Checks if each day in determined DateRange has array assigned to it.
     *
     * @param from
     * @param till
     * @param eventStorage
     *
     * @returns true if data is present.
     */
    static isDataPresent(from: Date, till: Date, eventStorage: EventStorage): boolean;
    /**
     * Returns first DateRange that given interval fits between.
     *
     * @param from
     * @param till
     */
    static determineRange(from: Date, till: Date): DateRange;
    private static isDayPresent;
    private static isWeekPresent;
    private static isMonthPresent;
    private static isYearPresent;
}