import type { FormatOptionsWithTZ } from '../../index.js';
/**
 * Returns the formatted time zone name of the provided `timeZone` or the current
 * system time zone if omitted, accounting for DST according to the UTC value of
 * the date.
 */
export declare function tzIntlTimeZoneName(length: Intl.DateTimeFormatOptions['timeZoneName'], date: Date, options: FormatOptionsWithTZ): string | undefined;