import { DateTime } from './DateTime';
import type { KnxDateTime } from './types';
import { DPT } from '../../enums';
/**
 * KNX DPT 19.001 — Date and time (structured {@link KnxDateTime} value).
 *
 * Static helpers build payloads for `write()` from date/time strings.
 */
export declare class DPT_DateTime extends DateTime {
    readonly type: DPT;
    readonly unit: string;
    /** Return whether a JavaScript `Date` falls in daylight-saving time for the local timezone. */
    static isDST: (date: Date) => boolean;
    /** Build a full date-time value from `YYYY-MM-DD` and `HH:MM:SS` strings. */
    static setDateTime(date: string, time: string, isDST: boolean): KnxDateTime;
    /** Build a time-only value from an `HH:MM:SS` string (date fields marked invalid). */
    static setTime(time: string, isDST: boolean): KnxDateTime;
    /** Build a date-only value from a `YYYY-MM-DD` string (time fields marked invalid). */
    static setDate(date: string, isDST: boolean): KnxDateTime;
}
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