type DateTimeParseInputType = string | Date | DateTime;
export declare class DateTime {
    private __VAL;
    private constructor();
    static maxValue: DateTime;
    static safeParseNull(value: DateTimeParseInputType | undefined | null): DateTime | null;
    static safeParse(value: DateTimeParseInputType | undefined | null): DateTime | undefined;
    static parse(value: DateTimeParseInputType): DateTime;
    /**
     * Returns current local date and time
     */
    static now(): DateTime;
    /**
     * Returns current local date part only
     */
    static today(): DateTime;
    static diff(endDate: DateTime, startDate: DateTime): TimeInterval;
    static compare(d1: DateTime | undefined, d2: DateTime | undefined): 0 | 1 | -1;
    fromNow(): string;
    format(format: string): string;
    date(): DateTime;
    utc(): DateTime;
    modify(update: {
        days?: number;
    }): DateTime;
    round(options: {
        value: number;
        interval: 'minutes';
        type: 'down' | 'up';
    }): DateTime;
    next(nextInterval: 'hour'): DateTime;
    get year(): number;
    convertToDate(): Date;
    asApiJsonDate(): string;
    asApiJsonDateTimeLocal(): string;
    asApiJsonDateTimeUTC(): string;
}
export declare class DateTimeRange {
    start: DateTime;
    end: DateTime;
    static createSingle(date: DateTime): DateTimeRange;
    static createRange(start: DateTime, end: DateTime): DateTimeRange;
    static equal(d1: DateTimeRange | undefined, d2: DateTimeRange | undefined): boolean;
    contains(date: DateTime): boolean;
    isEqualStartEnd(): boolean;
    private constructor();
}
export declare class TimeInterval {
    totalDays: number;
    totalHours: number;
    totalMinutes: number;
    totalSeconds: number;
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
    constructor(totalDays?: number, totalHours?: number, totalMinutes?: number, totalSeconds?: number);
    format(value: string): string;
}
export {};