import { TimeUnit } from './time-unit';
export declare abstract class DateTimeAdapter<D> {
    readonly locale: any;
    constructor(locale: any);
    abstract now(): D;
    abstract parse(value: string | number, format?: string): D;
    abstract format(dt: D, format: string): string;
    abstract valueOf(dt: D): number;
    abstract getWeekDay(dt: D): number;
    abstract get(dt: D, unit: TimeUnit | string): number;
    abstract set(dt: D, value: number, unit: TimeUnit | string): D;
    translate(dt: D, value: number, unit: TimeUnit | string): D;
    equal(dt: D, other: D): boolean;
    isBefore(dt: D, other: D): boolean;
    isAfter(dt: D, other: D): boolean;
}