import validatorJs from 'validator';
import { SyncValidation } from '../../types.js';
/**
 * Shape of compiled options. It is a merged copy of
 * sanitization and validation options
 */
type CompiledOptions = validatorJs.IsEmailOptions & {
    sanitize?: validatorJs.NormalizeEmailOptions;
};
/**
 * Validation signature for the "email" regex. Non-string values are
 * ignored.
 */
export declare const email: SyncValidation<CompiledOptions>;
export {};