import { DateAdapter as BaseDateAdapter } from 'calendar-utils/date-adapters/date-adapter'; export declare abstract class DateAdapter implements BaseDateAdapter { abstract addWeeks(date: Date | number, amount: number): Date; abstract addMonths(date: Date | number, amount: number): Date; abstract subDays(date: Date | number, amount: number): Date; abstract subWeeks(date: Date | number, amount: number): Date; abstract subMonths(date: Date | number, amount: number): Date; abstract getISOWeek(date: Date | number): number; abstract setDate(date: Date | number, dayOfMonth: number): Date; abstract setMonth(date: Date | number, month: number): Date; abstract setYear(date: Date | number, year: number): Date; abstract getDate(date: Date | number): number; abstract getMonth(date: Date | number): number; abstract getYear(date: Date | number): number; abstract addDays(date: Date | number, amount: number): Date; abstract addHours(date: Date | number, amount: number): Date; abstract addMinutes(date: Date | number, amount: number): Date; abstract addSeconds(date: Date | number, amount: number): Date; abstract differenceInDays(dateLeft: Date | number, dateRight: Date | number): number; abstract differenceInMinutes(dateLeft: Date | number, dateRight: Date | number): number; abstract differenceInSeconds(dateLeft: Date | number, dateRight: Date | number): number; abstract endOfDay(date: Date | number): Date; abstract endOfMonth(date: Date | number): Date; abstract endOfWeek(date: Date | number, options?: { weekStartsOn?: number; }): Date; abstract getDay(date: Date | number): number; abstract isSameDay(dateLeft: Date | number, dateRight: Date | number): boolean; abstract isSameMonth(dateLeft: Date | number, dateRight: Date | number): boolean; abstract isSameSecond(dateLeft: Date | number, dateRight: Date | number): boolean; abstract max(dates: (Date | number)[]): Date; abstract setHours(date: Date | number, hours: number): Date; abstract setMinutes(date: Date | number, minutes: number): Date; abstract startOfDay(date: Date | number): Date; abstract startOfMinute(date: Date | number): Date; abstract startOfMonth(date: Date | number): Date; abstract startOfWeek(date: Date | number, options?: { weekStartsOn?: number; }): Date; abstract getHours(date: Date | number): number; abstract getMinutes(date: Date | number): number; }