import type { TDateParts } from '../types';
/** Lightweight timezone conversions using Intl.DateTimeFormat. */
export declare class TimezoneHandler {
    private _tz;
    constructor(timezone: string);
    /**
     * Convert a UTC Date into date parts in the configured timezone.
     */
    utcToTimezoneDate(utcDate: Date): TDateParts;
    /**
     * Produce a Date whose UTC components match the wall time in the configured timezone.
     * Useful for calculations that expect a Date object at the local wall time.
     */
    convertToTimezone(utcDate: Date): Date;
}