export declare const DateUtil: {
    formatDateTime: (dateTime: string | Date | null | undefined) => string | undefined;
    getStartEndFromDurations: (current: string, durations: {
        start: string;
        end: string;
    }[]) => {
        start: string;
        end: string;
    };
    formatterBuilder: (date: string, format?: string, fromFormat?: string) => {
        showWeekday: () => any;
        showDay: () => any;
        showMonth: () => any;
        showYear: () => any;
        showHour: ({ is24Hour }: {
            is24Hour: boolean;
        }) => any;
        withComma: () => any;
        build: () => string;
    };
    objectIdToDate: (id: string) => Date;
};