import ValidationContext from '../ValidationContext';
import Constraints from './Constraints';
declare class Furture extends Constraints {
    message?: string;
    isValid(content: Date, context: ValidationContext): boolean;
}
/**
 * 验证配置元素的值必须是将来的日期
 *
 * 支持的类型
 * - Date
 *
 * `null` 或者 `undefined` 不做验证
 */
declare const _default: {
    (options: import("../../servlets/annotations/Target").CreateOptions<typeof Furture>): (target: Object, name: string, p?: number) => any;
    (target: {
        [x: string]: any;
    }, propertyKey: string): any;
    (target: {
        [x: string]: any;
    }, propertyKey: string, parameterIndex: number): any;
} & import("../../servlets/annotations/annotation/type").LinkAnnotationType<typeof Furture> & typeof Furture;
export default _default;