import * as i0 from "@angular/core";
/**
 * Methods of this Service doing validation stuff on a Jalali date. You can use this Service using DI in all around of your app for
 * validating Jalali dates without needing to convert them to the Georgian Date.
 */
export declare class JalaliDateValidatorService {
    private static _minAcceptableYear;
    private static _maxAcceptableYear;
    constructor();
    /**
     * Returns number of days in a given month counting from 1.
     *
     * @param jYear full jalali year like 1397
     * @param jMonth number of month from 0 for Farvardin to 11 for Esfand.
     */
    jMonthLength(jYear: number, jMonth: number): number;
    /**
     * Calculates the number of the leap years in jalali Calendar.
     *
     * @param targetJYear should be full year like: 1397 and should be between -61 to 3177.
     *
     * [Implementation in source code]{@link https://github.com/sijad/ts-jalaali/blob/296a7c2fa1816a5bbb0b11bbe3eb03ebc17059f6/src/jalaali.ts#L71}
     */
    numOfJLeapYears(targetJYear: number): number;
    /**
     * If JYear is a leap year in jalali Calendar, return true. We using the fact that if a year is leap, number of leap years until that year
     * and the year after it is not equal.
     *
     * @param jYear full jalali year like: 1397
     */
    isJYearLeap(jYear: number): boolean;
    /**
     * Checks if jalali year is in acceptable range or not.
     *
     * [Implementation in source code]{@link https://github.com/sijad/ts-jalaali/blob/296a7c2fa1816a5bbb0b11bbe3eb03ebc17059f6/src/jalaali.ts#L27}
     *
     * @param jYear full jalali year like 1397
     */
    isValidJYear(jYear: number): boolean;
    /**
     * Checks if jalali month is in valid range or not. In default, jMonth should start from zero.
     * If you want to start month number from one instead of zero, you should make startFromZero parameter to false.
     */
    isValidJMonth(jMonth: number, startFromZero?: boolean): boolean;
    /**
     * Checks if day number is in valid range according to the given year and month.
     *
     * @param jYear full jalali year like 1397
     * @param jMonth month number starting from zero
     * @param jDay day number starting from one
     */
    isValidJDay(jYear: number, jMonth: number, jDay: number): boolean;
    /**
     * If Jalali date is not a valid Jalali date, return false. otherwise returns true.
     *
     * @param jYear full year number like: 1397
     * @param jMonth starts from zero
     * @param jDay starts from one
     */
    isValidJDate(jYear: number, jMonth: number, jDay: number): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<JalaliDateValidatorService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<JalaliDateValidatorService>;
}