import { Observable } from 'rxjs';
import { DayMonth } from './day-month.type';
import { MonthYear } from './month-year.type';
export declare class DatePickerHelper {
    initialMonth: string;
    initialYear: string;
    initialDay: string;
    readonly YEAR_STRING_FORMAT = "YYYY";
    readonly MONTH_STRING_NUMBER_FORMAT = "M";
    readonly DAY_STRING_NUMBER_FORMAT = "D";
    private readonly NB_DAYS_IN_WEEK;
    private readonly DATE_STRING_FORMAT;
    private readonly DATE_READABLE_FORMAT;
    private _displayedMonthYear;
    get displayedMonthYear(): Observable<MonthYear>;
    static getDateAsString(date: number[]): string;
    private static getWeekday;
    private static getNumberOfDaysInMonth;
    private static getPreviousMonth;
    private static getNextMonth;
    loadLocale: (language: string) => Promise<void>;
    getWeekDays(): string[];
    getWeeksOfMonth(initialYear: string, initialMonth: string, initialDay?: string): DayMonth[][];
    getNextWeeksOfMonth(): DayMonth[][];
    getPreviousWeeksOfMonth(): DayMonth[][];
    private createDaysForCurrentMonth;
    private createDaysForPreviousMonth;
    private createDaysForNextMonth;
    private buildWeeksOfMonth;
}