import { AfterViewChecked, ElementRef } from '@angular/core';
import { CalendarCellDirective } from './calendar-cell.directive';
import { CalendarBase } from './calendar-base';
import * as i0 from "@angular/core";
/**
 * Base class for behavior and accessibility of calendar grid cell buttons rendered inside
 * calendar cells.
 * See:
 * - {@link SingleSelectionCalendarCellButtonDirective}
 * - {@link RangeCalendarCellButtonDirective}
 * @internal
 */
export declare class CalendarCellButton implements AfterViewChecked {
    cell: CalendarCellDirective;
    calendar: CalendarBase;
    protected elementRef: ElementRef<HTMLElement>;
    constructor(cell: CalendarCellDirective, calendar: CalendarBase);
    ngAfterViewChecked(): void;
    get role(): string | null;
    get disabled(): boolean;
    get invalid(): boolean;
    get tabIndex(): 0 | -1 | null;
    get ariaLabel(): string | null;
    protected handleFocus(): void;
    handleCellSelected(): void;
    focus(): void;
    isFocusedDate(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<CalendarCellButton, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<CalendarCellButton, never, never, {}, {}, never, never, false, never>;
}