export type ZonedNowUnit = "year" | "month" | "week" | "day" | "dayOfWeek" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond";
/**
 * Return the requested current unit value for the specified IANA timeZone.
 *
 * - Uses Temporal.Now.zonedDateTimeISO to get the current time.
 * - Uses weekOfYear helper for week calculations.
 * - Validation is performed on timezone and unit.
 *
 * @param ianaTimezone IANA timeZone identifier
 * @param unit unit to extract from current zoned time
 * @returns string representation of the requested unit or "" on invalid input
 *
 * @example getZonedNowUnit("America/New_York", "hour") // "07"
 * @example getZonedNowUnit("invalid", "hour") // ""
 */
export declare function getZonedNowUnit(ianaTimezone: string, unit: ZonedNowUnit): string;