import { DateStringRule } from './date-string/date-string-types';
import { Guard, IGuardOptions } from '../core/guard';
import { GuardResult } from '../core/guard-result';
export declare class DateStringGuard extends Guard<DateStringRule> {
    constructor(options?: IGuardOptions);
    /**
     * Checks if date string is strictly after the specified date.
     * @remarks Chainable method.
     * @param value
     */
    isAfter(value: string): this;
    /**
     * Checks if date string is strictly before the specified date.
     * @remarks Chainable method.
     * @param value
     */
    isBefore(value: string): this;
    /**
     * Checks if date string is a valid and existing ISO 8601 Date (YYYY-MM-DD).
     * @remarks Chainable method.
     * @see {@link https://en.wikipedia.org/wiki/ISO_8601}
     * @example 1982-03-16
     */
    isIso8601Date(): this;
    /**
     * Checks if date string is a valid and existing RFC 3339 Datetime.
     *
     * RFC 3339 is following the ISO 8601 DateTime format. The only difference is RFC allows us to replace “T” with “space”.
     * @remarks Chainable method.
     * @see {@link https://medium.com/easyread/understanding-about-rfc-3339-for-datetime-formatting-in-software-engineering-940aa5d5f68a}
     * @example 2019-10-12T07:20:50.52Z, 2019-10-12 07:20:50.52Z
     */
    isRfc3339(): this;
    /**
     * Checks if date string is the same that the specified date.
     * @remarks Chainable method.
     * @param value
     */
    isSame(value: string): this;
    /**
     * Checks if date string is the same or after the specified date.
     * @remarks Chainable method.
     * @param value
     */
    isSameOrAfter(value: string): this;
    /**
     * Checks if date string is the same or before the specified date.
     * @remarks Chainable method.
     * @param value
     */
    isSameOrBefore(value: string): this;
    /**
     * @override
     * @param rule
     * @param value
     */
    protected checkRule(rule: DateStringRule, value: string): GuardResult;
    /**
     * @override
     */
    protected typeGuard(): void;
}