import { DateObjectUnits, DateTime } from 'luxon';
import { DurationInput } from 'luxon/src/duration';
export declare class DateUtils {
    static format(format: string, date?: Date): string;
    static toISO(date: Date): string;
    static fromISO(date: string): Date;
    static get(object: DateObjectUnits): DateTime;
    static add(add: DurationInput, date?: Date): Date;
    static sub(add: DurationInput, date?: Date): Date;
}