import { ChangeDetectorRef, EventEmitter } from '@angular/core';
import { DateSelectionEvent } from './../../datepicker.component';
import { IpiDatepickerService } from './../../datepicker-service';
import { DateRange } from './../../datepicker.component';
import { CalendarCell, CalendarBody } from './../calendar-body/calendar-body.component';
import * as i0 from "@angular/core";
export declare class IpiCalendarMultiYearView {
    private changeDetectorRef;
    private datePickerService;
    constructor(changeDetectorRef: ChangeDetectorRef, datePickerService: IpiDatepickerService);
    /** Flag used to filter out space/enter keyup events that originated outside of the view. */
    private selectionKeyPressed;
    /** The date to display in this multi-year view (everything other than the year is ignored). */
    get activeDate(): Date;
    set activeDate(value: Date);
    get selected(): DateRange | Date | null;
    set selected(value: DateRange | Date | null);
    private _selected;
    /** The minimum selectable date. */
    get minDate(): Date | null;
    set minDate(value: Date | null);
    /** The maximum selectable date. */
    get maxDate(): Date | null;
    set maxDate(value: Date | null);
    /** Emits when a new year is selected. */
    selectedChange: EventEmitter<Date>;
    /** Emits the selected year. This doesn't imply a change on the selected date */
    yearSelected: EventEmitter<Date>;
    /** Emits when any date is activated. */
    activeDateChange: EventEmitter<Date>;
    /** The body of calendar table */
    calendarBody: CalendarBody;
    /** Grid of calendar cells representing the currently displayed years. */
    _years: CalendarCell[][];
    /** The year that today falls on. */
    _todayYear: number;
    /** The year of the selected date. Null if the selected date is null. */
    selectedYear: number | null;
    private _activeDate;
    private _maxDate;
    private _minDate;
    ngAfterContentInit(): void;
    init(): void;
    /** Handles when a new year is selected. */
    onYearSelected(event: DateSelectionEvent<number>): void;
    /**
     * Takes the index of a calendar body cell wrapped in an event as argument. For the date that
     * corresponds to the given cell, set `activeDate` to that date and fire `activeDateChange` with
     * that date.
     *
     * This function is used to match each component's model of the active date with the calendar
     * body cell that was focused. It updates its value of `activeDate` synchronously and updates the
     * parent's value asynchronously via the `activeDateChange` event. The child component receives an
     * updated value asynchronously via the `activeCell` Input.
     */
    updateActiveDate(event: DateSelectionEvent<number>): void;
    /** Handles keydown events on the calendar body when calendar is in multi-year view. */
    handleCalendarBodyKeydown(event: KeyboardEvent): void;
    /** Handles keyup events on the calendar body when calendar is in multi-year view. */
    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;
    /**
     * Takes a year and returns a new date on the same day and month as the currently active date
     *  The returned date will have the same year as the argument date.
     */
    private getDateFromYear;
    /** Creates an CalendarCell for the given year. */
    private createCellForYear;
    /** Whether the given year is enabled. */
    private shouldEnableYear;
    /** Sets the currently-highlighted year based on a model value. */
    private setSelectedYear;
    private isSameMultiYearView;
    private getStartingYear;
    static ɵfac: i0.ɵɵFactoryDeclaration<IpiCalendarMultiYearView, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<IpiCalendarMultiYearView, "ipi-calendar-multi-year-view", never, { "activeDate": { "alias": "activeDate"; "required": false; }; "selected": { "alias": "selected"; "required": false; }; "minDate": { "alias": "minDate"; "required": false; }; "maxDate": { "alias": "maxDate"; "required": false; }; }, { "selectedChange": "selectedChange"; "yearSelected": "yearSelected"; "activeDateChange": "activeDateChange"; }, never, never, true, never>;
}