import Constraints from './Constraints';
declare class Digits extends Constraints {
    message?: string;
    /**
     * 整数部分最大位数
     */
    integer: number;
    /**
     * 小数部分最大位数
     */
    fraction: number;
    isValid(value: number): boolean;
}
/**
 * 验证配置小数数值的整数位与小数位长度
 *
 * 支持的类型
 * - `Number`
 *
 * `null` 或者 `undefined` 则不做验证
 */
declare const _default: {
    (options: import("../../servlets/annotations/Target").CreateOptions<typeof Digits>): (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 Digits> & typeof Digits;
export default _default;