import { IValueObject } from "./IValueObject";
export declare class DateValueObject extends Date implements IValueObject<Date> {
    readonly value: Date;
    constructor(value: Date);
    validate(): Error | void;
    static createNowDate(): DateValueObject;
    updateTime(hours: number, min?: number, sec?: number, ms?: number): DateValueObject;
    updateDay(day: number): DateValueObject;
    updateMonth(month: number): DateValueObject;
    compareTo(o: IValueObject<Date>): number;
    equalTo(o: IValueObject<Date>): boolean;
    isLessOrEqualThan(o: IValueObject<Date>): boolean;
    isGreaterOrEqualThan(o: IValueObject<Date>): boolean;
    addDays(days: number): DateValueObject;
    daysDiff(o: IValueObject<Date>): number;
    getMonthNameAbbreviation(): string;
}
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