import { CalendarNavigationAction } from '../types';
export declare function startOfYearView(date: Date): Date;
export declare function endOfYearView(date: Date): Date;
export declare function durationInYearViews(start: Date, end: Date): number;
export declare function addYearViews(date: Date, amount: number): Date;
export declare function subYearViews(date: Date, amount: number): Date;
export declare function getYearViewData(viewDate: Date): Date[][];
export declare function moveInYearView(date: Date, action: CalendarNavigationAction): Date;