import { TranslateService } from "@ngx-translate/core";
import { Observable, Subject } from "rxjs";
export declare class DateUtil {
    static weekdaysSubject: Subject<any>;
    static weekdays: any;
    static getWeekDay(date: Date): string;
    static getWeekDayString(weekDay: number): string;
    static get12Hours(date: Date): number;
    static loadWeekDays(translateService: TranslateService): Observable<any>;
    static getWeekDays(): void;
}