/**
 * A utility method to get a time-picker time string in 24-hour format from a Date object, timestamp in ms, or a
 * valid date/time string. By default, the time string will reflect the client's local time for the provided date.
 * An optional IANA timeZone string can be provided to adjust the resulting time string to reflect the local time
 * in the provided timeZone at that point in time.
 *
 *   getTimePickerTime('2024-03-29T17:00:00.000Z', 'America/New_York')
 *     // => `13:00:00` (eastern)
 *
 *   getTimePickerTime('2024-03-29T17:00:00.000Z', 'America/Los_Angeles')
 *     // => `10:00:00` (pacific)
 *
 * @param date A Date object, timestamp in ms, or valid date/time string (e.g. `2024-03-29T16:00:00.000Z`)
 * @param timeZone An optional IANA time zone string, e.g. `America/Los_Angeles`
 * @returns a time-picker time string in 24-hour format, e.g. `13:00:00`
 */
export declare function getTimePickerTime(date: string | number | Date, timeZone?: string): string;