import { PropertyValidator } from "../PropertyValidator";
/**
 *  Validates if given value is empty (=== '', === null, === undefined)
 *  or in case of certain iterables if they do not contain any element
 *  (length === 0, size === 0).
 *
 * @export
 * @class IsEmptyValidator
 * @implements {PropertyValidator<any>}
 */
export declare class IsEmptyValidator implements PropertyValidator<any> {
    isValid(input: any): boolean;
    private isEmptyCollection(input);
}