import { isly } from "isly";
import { Date } from "../Date";
import { DayOfWeek } from "../DayOfWeek";
import { Number } from "./Number";
export interface Parts {
    year: number;
    week: Number.Numeric;
}
export declare namespace Parts {
    const type: import("isly/dist/types/Object/Class").Class<Parts>, is: (value: Parts | any) => value is Parts, flawed: (value: Parts | any) => isly.Flaw | false;
    function from(date: Date): Parts;
    function now(): Parts;
    function next(week: Parts, weeks?: number): Parts;
    function previous(week: Parts, weeks?: number): Parts;
    function first(week: Parts): Date;
    function last(week: Parts): Date;
    function getDate(week: Parts, day: DayOfWeek | DayOfWeek.Numeric): Date;
    function getDays(week: Parts): Date[];
    function lastWeek(year: number): 52 | 53;
}