import { Validator } from "@decaf-ts/decorator-validation";
/**
 * @summary Base class for an Update validator
 *
 * @param {string} [message] error message. defaults to {@link DecoratorMessages#DEFAULT}
 * @param {string[]} [acceptedTypes] the accepted value types by the decorator
 *
 * @class UpdateValidator
 * @abstract
 * @extends Validator
 *
 * @category Validators
 */
export declare abstract class UpdateValidator extends Validator {
    protected constructor(message?: string, ...acceptedTypes: string[]);
    /**
     * @summary validates a value by comparing to its old version
     * @param {any} value
     * @param {any} oldValue
     * @param {any[]} args
     */
    abstract updateHasErrors(value: any, oldValue: any, ...args: any[]): string | undefined;
}