import { ConvertTimezoneOptions } from '@multisystemsuite/timezone-engine-shared-types';

/** Convert date to UTC */
declare function toUTC(date: Date | string | number, sourceTimezone: string): Date;
/** Convert UTC date to target timezone representation */
declare function fromUTC(date: Date | string | number, targetTimezone: string): Date;
/** Convert date between timezones */
declare function convertTimezone(options: ConvertTimezoneOptions): Date;
/** Cached timezone conversion for high-performance scenarios */
declare function convertTimezoneCached(sourceTimezone: string, targetTimezone: string, date?: Date | string | number): Date;
/** Detect if DST is active for a timezone at a given date */
declare function detectDST(timezone: string, date?: Date | string | number): boolean;
/** Get UTC offset string for a timezone (e.g. "+05:30") */
declare function getUtcOffset(timezone: string, date?: Date | string | number): string;
/** Get offset in minutes from UTC */
declare function getTimezoneOffsetMinutes(timezone: string, date?: Date | string | number): number;

export { convertTimezone, convertTimezoneCached, detectDST, fromUTC, getTimezoneOffsetMinutes, getUtcOffset, toUTC };