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;
    abstract getTimezoneOffset(date: Date | number): number;
}