import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, NgZone, OnDestroy } from '@angular/core';
import { BooleanInput } from '@angular/cdk/coercion';
import { MatDatepickerIntl } from '@angular/material/datepicker';
import { DatetimeAdapter, MtxDatetimeFormats } from '@ng-matero/extensions/core';
import { MtxClockView } from './clock';
import { MtxDatetimepickerFilterType } from './datetimepicker-filtertype';
import { MtxAmPM, MtxCalendarView, MtxDatetimepickerType, MtxTimeI18nLabels } from './datetimepicker-types';
import * as i0 from "@angular/core";
/**
 * A calendar that is used as part of the datetimepicker.
 * @docs-private
 */
export declare class MtxCalendar<D> implements AfterContentInit, OnDestroy {
    private _elementRef;
    private _intl;
    private _ngZone;
    private _adapter;
    private _dateFormats;
    /** Whether to show multi-year view. */
    get multiYearSelector(): boolean;
    set multiYearSelector(value: boolean);
    private _multiYearSelector;
    /** Whether the clock uses 12 hour format. */
    get twelvehour(): boolean;
    set twelvehour(value: boolean);
    private _twelvehour;
    /** Whether the calendar should be started in month or year view. */
    startView: MtxCalendarView;
    /** Step over minutes. */
    timeInterval: number;
    i18nLabels: MtxTimeI18nLabels;
    /** A function used to filter which dates are selectable. */
    dateFilter: (date: D, type: MtxDatetimepickerFilterType) => boolean;
    /** Prevent user to select same date time */
    preventSameDateTimeSelection: boolean;
    /** Emits when the currently selected date changes. */
    selectedChange: EventEmitter<D>;
    /** Emits when the view has been changed. */
    viewChanged: EventEmitter<MtxCalendarView>;
    _userSelection: EventEmitter<void>;
    _AMPM: MtxAmPM;
    _clockView: MtxClockView;
    _calendarState: string;
    private _intlChanges;
    private _clampedActiveDate;
    constructor(_elementRef: ElementRef, _intl: MatDatepickerIntl, _ngZone: NgZone, _adapter: DatetimeAdapter<D>, _dateFormats: MtxDatetimeFormats, changeDetectorRef: ChangeDetectorRef);
    /** The display type of datetimepicker. */
    get type(): MtxDatetimepickerType;
    set type(value: MtxDatetimepickerType);
    private _type;
    /** A date representing the period (month or year) to start the calendar in. */
    get startAt(): D | null;
    set startAt(value: D | null);
    private _startAt;
    /**
     * Whether the calendar is in time mode. In time mode the calendar clock gets time input elements rather then just clock
     *
     * When touchUi is enabled this will be disabled
     */
    get timeInput(): boolean;
    set timeInput(value: boolean);
    private _timeInput;
    /** The currently selected date. */
    get selected(): D | null;
    set selected(value: D | null);
    private _selected;
    /** The minimum selectable date. */
    get minDate(): D | null;
    set minDate(value: D | null);
    private _minDate;
    /** The maximum selectable date. */
    get maxDate(): D | null;
    set maxDate(value: D | null);
    private _maxDate;
    /**
     * The current active date. This determines which time period is shown and which date is
     * highlighted when using keyboard navigation.
     */
    get _activeDate(): D;
    set _activeDate(value: D);
    /** Whether the calendar is in month view. */
    get currentView(): MtxCalendarView;
    set currentView(view: MtxCalendarView);
    _currentView: MtxCalendarView;
    /** The label for the current calendar view. */
    get _yearLabel(): string;
    get _monthYearLabel(): string;
    get _dateLabel(): string;
    get _hoursLabel(): string;
    get _minutesLabel(): string;
    get _ariaLabelNext(): string;
    get _ariaLabelPrev(): string;
    /** Date filter for the month and year views. */
    _dateFilterForViews: (date: D) => boolean;
    _userSelected(): void;
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    /** Handles date selection in the month view. */
    _dateSelected(date: D): void;
    /** Handles month selection in the year view. */
    _monthSelected(month: D): void;
    /** Handles year selection in the multi year view. */
    _yearSelected(year: D): void;
    _timeSelected2(date: D): void;
    _timeSelected(date: D): void;
    _onActiveDateChange(date: D): void;
    _updateDate(date: D): D;
    _selectAMPM(date: D): void;
    _ampmClicked(source: MtxAmPM): void;
    _yearClicked(): void;
    _dateClicked(): void;
    _hoursClicked(): void;
    _minutesClicked(): void;
    /** Handles user clicks on the previous button. */
    _previousClicked(): void;
    /** Handles user clicks on the next button. */
    _nextClicked(): void;
    /** Whether the previous period button is enabled. */
    _previousEnabled(): boolean;
    /** Whether the next period button is enabled. */
    _nextEnabled(): boolean;
    /** Handles keydown events on the calendar body. */
    _handleCalendarBodyKeydown(event: KeyboardEvent): void;
    _focusActiveCell(): void;
    _calendarStateDone(): void;
    /** Whether the two dates represent the same view in the current view mode (month or year). */
    private _isSameView;
    /** Handles keydown events on the calendar body when calendar is in month view. */
    private _handleCalendarBodyKeydownInMonthView;
    /** Handles keydown events on the calendar body when calendar is in year view. */
    private _handleCalendarBodyKeydownInYearView;
    /** Handles keydown events on the calendar body when calendar is in multi-year view. */
    private _handleCalendarBodyKeydownInMultiYearView;
    /** Handles keydown events on the calendar body when calendar is in month view. */
    private _handleCalendarBodyKeydownInClockView;
    /**
     * Determine the date for the month that comes before the given month in the same column in the
     * calendar table.
     */
    private _prevMonthInSameCol;
    /**
     * Determine the date for the month that comes after the given month in the same column in the
     * calendar table.
     */
    private _nextMonthInSameCol;
    private calendarState;
    private _2digit;
    static ngAcceptInputType_multiYearSelector: BooleanInput;
    static ngAcceptInputType_twelvehour: BooleanInput;
    static ngAcceptInputType_timeInput: BooleanInput;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtxCalendar<any>, [null, null, null, { optional: true; }, { optional: true; }, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MtxCalendar<any>, "mtx-calendar", ["mtxCalendar"], { "multiYearSelector": "multiYearSelector"; "twelvehour": "twelvehour"; "startView": "startView"; "timeInterval": "timeInterval"; "i18nLabels": "i18nLabels"; "dateFilter": "dateFilter"; "preventSameDateTimeSelection": "preventSameDateTimeSelection"; "type": "type"; "startAt": "startAt"; "timeInput": "timeInput"; "selected": "selected"; "minDate": "minDate"; "maxDate": "maxDate"; }, { "selectedChange": "selectedChange"; "viewChanged": "viewChanged"; "_userSelection": "_userSelection"; }, never, never, false>;
}