import { type QRL } from '@builder.io/qwik';
import type { MaybeValue } from '../types';
type Value = MaybeValue<string>;
/**
 * Creates a validation functions that validates a email.
 *
 * @param error The error message.
 *
 * @returns A validation function.
 */
export declare function email(error: string): QRL<(value: Value) => string>;
export {};