import { PropertyValidator } from "../PropertyValidator";
/**
 * Validates if given number is less than the threshold value.
 *
 * @export
 * @class IsLessThanValidator
 * @implements {PropertyValidator<number>}
 */
export declare class IsLessThanValidator implements PropertyValidator<number> {
    private threshold;
    constructor(threshold: number);
    isValid(input: number | undefined): boolean;
}