import { ValidatorFn } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class IpiDatepickerService {
    DAYS_PER_WEEK: number;
    yearsPerRow: number;
    yearsPerPage: number;
    private dateLocale;
    formatter: Intl.DateTimeFormat;
    dateFormats: {
        display: {
            dateInput: {
                year: string;
                month: string;
                day: string;
            };
            monthLabel: {
                month: string;
            };
            monthYearLabel: {
                year: string;
                month: string;
            };
            dateA11yLabel: {
                year: string;
                month: string;
                day: string;
            };
            monthYearA11yLabel: {
                year: string;
                month: string;
            };
        };
    };
    today(): Date;
    getDate(date: Date): number;
    getMonth(date: Date): number;
    getYear(date: Date): number;
    getDayOfWeek(date: Date): number;
    getDateLocale(): string;
    setDateLocale(value: string): void;
    getMonthNames(style: 'long' | 'short' | 'narrow'): string[];
    getFirstDayOfWeek(): number;
    getValidDateOrNull(obj: unknown): Date | null;
    getDayOfWeekNames(style: 'long' | 'short' | 'narrow'): string[];
    getDateNames(): string[];
    getYearName(date: Date): string;
    getNumDaysInMonth(date: Date): number;
    createDate(year: number, month: number, date: number): Date;
    addCalendarDays(date: Date, days: number): Date;
    addCalendarMonths(date: Date, months: number): Date;
    addCalendarYears(date: Date, years: number): Date;
    setTime(date: Date, hours: number, minutes: number): Date;
    sameDate(first: Date | null, second: Date | null): boolean;
    /**
    * Compares two dates.
    * @param first The first date to compare.
    * @param second The second date to compare.
    * @returns 0 if the dates are equal, a number less than 0 if the first date is earlier,
    *     a number greater than 0 if the first date is later.
    */
    compareDate(first: Date, second: Date): number;
    deserialize(value: any): Date | null;
    clampDate(date: Date, min?: Date | null, max?: Date | null): Date;
    formatDate(date: Date, displayFormat: Object): string;
    minValidator(minDate: Date): ValidatorFn;
    maxValidator(maxDate: Date): ValidatorFn;
    /** Creates a date but allows the month and date to overflow. */
    private createDateWithOverflow;
    private format;
    private isDateInstance;
    private isValid;
    private invalid;
    getActiveOffset<D>(activeDate: Date, minDate: Date | null, maxDate: Date | null): number;
    private getStartingYear;
    positiveModulo(a: number, b: number): number;
    isSameMultiYearView<D>(date1: Date, date2: Date, minDate: Date | null, maxDate: Date | null): boolean;
    private range;
    static ɵfac: i0.ɵɵFactoryDeclaration<IpiDatepickerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IpiDatepickerService>;
}