import { DateTime } from 'luxon';
import { PipeTransform } from '@angular/core';
import { DateTimeFormat } from '../types';
import * as i0 from "@angular/core";
export declare class DateTimePipe implements PipeTransform {
    private readonly defaultFormat;
    /** Transform DateTime object into a readable string. */
    transform(value: DateTime | null | undefined | unknown, format?: DateTimeFormat): string;
    private getRelativeDate;
    private getRelativeDateTime;
    static ɵfac: i0.ɵɵFactoryDeclaration<DateTimePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<DateTimePipe, "dateTime", true>;
}