/** Autogenerated by public2business schematic. DO NOT CHANGE! */
import { ComponentType, Portal } from '@angular/cdk/portal';
import { AfterContentInit, AfterViewChecked, ChangeDetectorRef, EventEmitter, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { SbbDateAdapter, SbbDateFormats } from '@sbb-esta/angular-core/datetime';
import { Subject } from 'rxjs';
import { SbbMonthView } from '../month-view/month-view.component';
export declare class SbbCalendarHeader<D> {
    private _dateAdapter;
    calendar: SbbCalendar<D>;
    constructor(_dateAdapter: SbbDateAdapter<D>, calendar: any, changeDetectorRef: ChangeDetectorRef);
    /** The label for the current calendar view. */
    get monthText(): string;
    /** The label for the current calendar view. */
    get yearText(): string;
    /** Handles user clicks on the previous button. */
    previousMonthClicked(): void;
    /** Handles user clicks on the next button. */
    nextMonthClicked(): void;
    /** Whether the previous period button is enabled. */
    previousMonthEnabled(): boolean;
    /** Whether the next period button is enabled. */
    nextMonthEnabled(): boolean;
    /** Whether the two dates represent the same month. */
    private _isSameMonthView;
    /** Handles user clicks on the previous button. */
    previousYearClicked(): void;
    /** Handles user clicks on the next button. */
    nextYearClicked(): void;
    /** Whether the previous period button is enabled. */
    previousYearEnabled(): boolean;
    /** Whether the next period button is enabled. */
    nextYearEnabled(): boolean;
    /** Whether the two dates represent the same month. */
    private _isSameYearView;
    private _assignActiveDate;
}
/**
 * A calendar that is used as part of the datepicker.
 * @docs-private
 */
export declare class SbbCalendar<D> implements AfterContentInit, AfterViewChecked, OnDestroy, OnChanges {
    private _dateAdapter;
    private _dateFormats;
    private _changeDetectorRef;
    /** An input indicating the type of the header component, if set. */
    headerComponent: ComponentType<any>;
    /** A portal containing the header component type for this calendar. */
    calendarHeaderPortal: Portal<any>;
    /**
     * Used for scheduling that focus should be moved to the active cell on the next tick.
     * We need to schedule it, rather than do it immediately, because we have to wait
     * for Angular to re-evaluate the view children.
     */
    private _moveFocusOnNextTick;
    /** A date representing the period (month or year) to start the calendar in. */
    get startAt(): D | null;
    set startAt(value: D | null);
    private _startAt;
    /** 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;
    /** A function used to filter which dates are selectable. */
    dateFilter: (date: D) => boolean;
    /** Emits when the currently selected date changes. */
    readonly selectedChange: EventEmitter<D>;
    /** Emits when any date is selected. */
    readonly userSelection: EventEmitter<void>;
    /** Reference to the current month view component. */
    monthView: SbbMonthView<D>;
    /**
     * 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);
    private _clampedActiveDate;
    /** Emits whenever there is a state change that the header may need to respond to. */
    stateChanges: Subject<void>;
    constructor(_dateAdapter: SbbDateAdapter<D>, _dateFormats: SbbDateFormats, _changeDetectorRef: ChangeDetectorRef);
    ngAfterContentInit(): void;
    ngAfterViewChecked(): void;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): void;
    focusActiveCell(): void;
    /** Handles date selection in the month view. */
    dateSelected(date: D | null): void;
    userSelected(): void;
    /**
     * @param obj The object to check.
     * @returns The given object if it is both a date instance and valid, otherwise null.
     */
    private _getValidDateOrNull;
    /** Returns the component instance that corresponds to the current calendar view. */
    private _getCurrentViewComponent;
}