export declare class DateTime { static parseDateTime(date: Date | DateTime | string | number, format?: string, lang?: string): Date; static convertArray(array: Array, format: string): Array; static getDateZeroTime(date: Date): Date; private static regex; private static readonly MONTH_JS; private static shortMonths; private static longMonths; private static formatPatterns; protected lang: string; private dateInstance; constructor(date?: Date | DateTime | number | string, format?: object | string, lang?: string); toJSDate(): Date; toLocaleString(arg0: string, arg1: Intl.DateTimeFormatOptions): string; toDateString(): string; getSeconds(): number; getDay(): number; getTime(): number; getDate(): number; getMonth(): number; getFullYear(): number; setMonth(arg: number): number; setHours(hours?: number, minutes?: number, seconds?: number, ms?: number): void; setSeconds(arg: number): number; setDate(arg: number): number; setFullYear(arg: number): number; getWeek(firstDay: number): number; clone(): DateTime; isBetween(date1: DateTime, date2: DateTime, inclusivity?: string): boolean; isBefore(date: DateTime, unit?: string): boolean; isSameOrBefore(date: DateTime, unit?: string): boolean; isAfter(date: DateTime, unit?: string): boolean; isSameOrAfter(date: DateTime, unit?: string): boolean; isSame(date: DateTime, unit?: string): boolean; add(duration: number, unit?: string): DateTime; subtract(duration: number, unit?: string): DateTime; diff(date: DateTime, unit?: string): number; format(format: object | string, lang?: string): string; private timestamp; private formatTokens; }