/**
 * @athenna/validator
 *
 * (c) João Lenon <lenon@athenna.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
export declare class CustomValidations {
    /**
     * Register custom `string().unique()` validation.
     */
    static registerUnique(): void;
    /**
     * Register custom `string().unique()` validation.
     */
    static registerExists(): void;
}