import { AfterContentInit, EventEmitter, OnDestroy } from '@angular/core';
import { RealsoftCalendarBody } from './calendar-body';
import { DateRange, RealsoftCalendarCell, RealsoftCalendarCellClassFunction, RealsoftCalendarUserEvent } from './models';
import { DateAdapter } from './shared/date-adapter';
import * as i0 from "@angular/core";
export declare const yearsPerPage = 24;
export declare const yearsPerRow = 4;
export declare class RealsoftMultiYearView<D> implements AfterContentInit, OnDestroy {
    private _changeDetectorRef;
    _dateAdapter: DateAdapter<D, any>;
    private _dir;
    private _rerenderSubscription;
    private _selectionKeyPressed;
    private _activeDate;
    private _selectedDate;
    private _minDate;
    private _maxDate;
    _years: RealsoftCalendarCell[][];
    _todayYear: number;
    _selectedYear: number | null;
    get activeDate(): D;
    set activeDate(value: D);
    get selectedDate(): DateRange<D> | D | null;
    set selectedDate(value: DateRange<D> | D | null);
    get minDate(): D | null;
    set minDate(value: D | null);
    get maxDate(): D | null;
    set maxDate(value: D | null);
    dateFilter: (date: D) => boolean;
    dateClass: RealsoftCalendarCellClassFunction<D>;
    readonly selectedChange: EventEmitter<D>;
    readonly yearSelected: EventEmitter<D>;
    readonly activeDateChange: EventEmitter<D>;
    _realsoftCalendarBody: RealsoftCalendarBody;
    constructor(...args: unknown[]);
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    _initializeDate(): void;
    _yearSelected(event: RealsoftCalendarUserEvent<number>): void;
    _updateActiveDate(event: RealsoftCalendarUserEvent<number>): void;
    _handleCalendarBodyKeydown(event: KeyboardEvent): void;
    _handleCalendarBodyKeyUp(event: KeyboardEvent): void;
    _getActiveCell(): number;
    /** Focuses the active cell after the microtask queue is empty. */
    _focusActiveCell(): void;
    /** Focuses the active cell after change detection has run and the microtask queue is empty. */
    _focusActiveCellAfterViewChecked(): void;
    private _getDateFromYear;
    private _generateCellForYear;
    private _shouldEnableYear;
    private _isRTL;
    private _setSelectedYear;
    static ɵfac: i0.ɵɵFactoryDeclaration<RealsoftMultiYearView<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RealsoftMultiYearView<any>, "realsoft-multi-year-view", ["realsoftMultiYearView"], { "activeDate": { "alias": "activeDate"; "required": false; }; "selectedDate": { "alias": "selectedDate"; "required": false; }; "minDate": { "alias": "minDate"; "required": false; }; "maxDate": { "alias": "maxDate"; "required": false; }; "dateFilter": { "alias": "dateFilter"; "required": false; }; "dateClass": { "alias": "dateClass"; "required": false; }; }, { "selectedChange": "selectedChange"; "yearSelected": "yearSelected"; "activeDateChange": "activeDateChange"; }, never, never, true, never>;
}
export declare function isSameMultiYearView<D>(dateAdapter: DateAdapter<D>, date1: D, date2: D, minDate: D | null, maxDate: D | null): boolean;
/**
   * When the multi-year view is first opened, the active year will be in view.
   * So we compute how many years are between the active year and the *slot* where our
   * "startingYear" will render when paged into view.
*/
export declare function getActiveOffset<D>(dateAdapter: DateAdapter<D>, activeDate: D, minDate: D | null, maxDate: D | null): number;