import { DateTime } from 'luxon';
export declare class Period {
    private readonly _startDate;
    private readonly _endDate;
    private static splitAtNewYear;
    constructor(startDate: DateTime, endDate: DateTime);
    static forYear(year: number): Period;
    get startDate(): DateTime;
    get endDate(): DateTime;
    get days(): number;
    get isoWeeks(): number;
    isValid(): boolean;
    containsDate(date: DateTime): boolean;
    toString(): string;
    overlaps(period: Period): boolean;
    intersect(period: Period): Period;
    equals(period: Period): boolean;
    static isSameDay(first: DateTime, second: DateTime): boolean;
    static isSameOrBeforeDay(first: DateTime, second: DateTime): boolean;
    static isSameOrBefore(first: DateTime, second: DateTime): boolean;
    static isSameOrAfter(first: DateTime, second: DateTime): boolean;
    static isSame(first: DateTime, second: DateTime): boolean;
    static isBefore(first: DateTime, second: DateTime): boolean;
    static isAfter(first: DateTime, second: DateTime): boolean;
}