import { DateTimeFormatOptions } from 'luxon';
import { Observable } from 'rxjs';
import { ChangeDetectorRef, ElementRef, InjectionToken, NgZone, Renderer2 } from '@angular/core';
import { UiFormatDirective } from '@uipath/angular/directives/internal';
import * as i0 from "@angular/core";
/**
 * The date format display type options.
 */
export type DisplayType = 'absolute' | 'relative';
/**
 * Timezone resolver type.
 */
export type TimezoneResolver = () => string;
/**
 * The date format options schema.
 */
export interface IDateFormatOptions {
    /**
     * Stream that triggers a re-render of the component.
     *
     */
    redraw$: Observable<void>;
    /**
     * The timezone in which the date should be displayed.
     *
     */
    timezone: string | TimezoneResolver;
    /**
     * Overwrites the default content type.
     *
     */
    contentType?: DisplayType;
    /**
     * Overwrites the default title type.
     *
     */
    titleType?: DisplayType;
    /**
     * Overwrites the default dateformat.
     *
     */
    format?: string | DateTimeFormatOptions;
}
/**
 * `ui-dateformat` injection token for the `options`.
 *
 */
export declare const UI_DATEFORMAT_OPTIONS: InjectionToken<IDateFormatOptions>;
export declare const resolveTimezone: (options: IDateFormatOptions) => string;
/**
 * A directive that formats a given `Date` input in a `relative` or `absolute` format.
 *
 * Depends On:
 * - [luxon](https://www.npmjs.com/package/luxon)
 * - [humanize-duration](https://www.npmjs.com/package/humanize-duration)
 *
 * @export
 */
export declare class UiDateFormatDirective extends UiFormatDirective {
    private _options;
    private _cd;
    private _zone;
    /**
     * What format should the content have, `absolute` or `relative`.
     *
     */
    contentType: DisplayType;
    /**
     * What format should the `[data-title]` attribute have, `absolute` or `relative`.
     *
     * This title attribute is exposed in order to easily integrate with `tooltip` components.
     *
     * eg:
     * `<ui-dateformat #ref [matTooltip]="ref.dataset['title']"></ui-dateformat>`
     */
    titleType: DisplayType;
    /**
     * The `timezone` for which the current date is displayed.
     *
     */
    timezone?: string;
    /**
     * The input `Date` that needs to be formatted.
     *
     */
    set date(date: Date | string | undefined | null);
    get date(): Date | string | undefined | null;
    /**
     * The `luxon` format defaults to `DateTime.DATETIME_SHORT_WITH_SECONDS.
     *
     */
    dateFormat: string | DateTimeFormatOptions;
    protected _text?: HTMLElement;
    private get _relativeTime();
    private get _absoluteTime();
    private _lastAbsoluteTime?;
    private _lastRelativeTime?;
    private _lastContentType?;
    private _lastTitleType?;
    private _date?;
    /**
     * @ignore
     */
    constructor(_options: IDateFormatOptions, _cd: ChangeDetectorRef, _zone: NgZone, renderer: Renderer2, elementRef: ElementRef);
    private _evaluate;
    private _updateContent;
    private _updateTitle;
    private _isStringFormat;
    private _isRelative;
    private _timeForTypeChanged;
    private _timeForType;
    private _isDifferentValue;
    static ɵfac: i0.ɵɵFactoryDeclaration<UiDateFormatDirective, [{ optional: true; }, null, null, null, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UiDateFormatDirective, "[uiDateFormat], ui-dateformat", never, { "contentType": "contentType"; "titleType": "titleType"; "timezone": "timezone"; "date": "date"; "dateFormat": "dateFormat"; }, {}, never, never, false, never>;
}