import { NgbDate } from '../ngb-date';
import { NgbCalendar, NgbPeriod } from '../ngb-calendar';
import * as i0 from "@angular/core";
export declare class NgbCalendarPersian extends NgbCalendar {
    getDaysPerWeek(): number;
    getMonths(): number[];
    getWeeksPerMonth(): number;
    getNext(date: NgbDate, period?: NgbPeriod, number?: number): NgbDate;
    getPrev(date: NgbDate, period?: NgbPeriod, number?: number): NgbDate;
    getWeekday(date: NgbDate): number;
    getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number): number;
    getToday(): NgbDate;
    isValid(date?: NgbDate | null): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgbCalendarPersian, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgbCalendarPersian>;
}
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