import { DateStringRuleChecker } from './date-string-rule-checker';
import { GuardResult } from '../../core/guard-result';
export declare class DateStringIsAfter extends DateStringRuleChecker<{
    type: 'isAfter';
    value: string;
}> {
    constructor(rule: {
        type: 'isAfter';
        value: string;
    }, value: string);
    /**
     * @override
     */
    exec(): GuardResult;
    private isAfter;
}