import { DateFormat } from "./DateFormat";
import { TimeSpan } from "./TimeSpan";
import { WeekDay } from "./WeekDay";
export declare class DateTime {
    private _ticks;
    get Ticks(): number;
    constructor(_ticks?: number);
    toString(): string;
    static get min(): DateTime;
    static get max(): DateTime;
    static get now(): DateTime;
    asLocalToUtc(): DateTime;
    asUtcToLocal(): DateTime;
    private static _invalidFormatMessage;
    static tryParse(text: string, refResult: {
        Result: DateTime;
        ErrorMessage: string;
    }, format?: DateFormat): boolean;
    /**
     * Valid formats should satisfy the following two conditions: (1) it should be composed of [3, 5, 6, or 7] parts. 3 parts for date only, 6 parts for date and time excluding millisec part, and 7 prats for the whole date and time parts including the milliseconds part. (2) Parts separators could be either one or more spaces or any non-digit character preceded or succeeded by zero or more white spaces.
     * @param dateTimeInText A text representation of a DateTime
     * @param The date time format to parse against.
     */
    static parse(dateTimeInText: string, format?: DateFormat): DateTime;
    get year(): number;
    get month(): number;
    get dayOfMonth(): number;
    get dayOfWeek(): WeekDay;
    get hour(): number;
    get minute(): number;
    get second(): number;
    get milliSecond(): number;
    addDays(daysToAdd: number): DateTime;
    addHours(hoursToAdd: number): DateTime;
    addMinutes(minutesToAdd: number): DateTime;
    addSeconds(secondsToAdd: number): DateTime;
    addMilliseconds(millisecondsToAdd: number): DateTime;
    compare(otherDateTime: DateTime): 1 | -1 | 0;
    get date(): DateTime;
    subtractDate(another: DateTime): TimeSpan;
    subtractSpan(timeSpan: TimeSpan): DateTime;
    equals(another: DateTime): boolean;
    get timeOfDay(): TimeSpan;
}
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