import type { CustomSyntaxChecker } from '../../types.js';
/**
 * Validates a global date and time string (date + time + time-zone offset).
 *
 * @see https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#global-dates-and-times
 */
export declare const checkGlobalDateAndTimeString: CustomSyntaxChecker;