import { TZDate } from "@date-fns/tz";
/**
 * Convert a {@link Date} or {@link TZDate} instance to the given time zone.
 * Reuses the same instance when it is already a {@link TZDate} using the target
 * time zone to avoid extra allocations.
 */
export declare function toTimeZone(date: Date, timeZone: string): TZDate;