import { FocusOrigin } from '@angular/cdk/a11y';
import { ElementRef, EventEmitter, OnDestroy } from '@angular/core';
import { FocusIndicatorService } from '../accessibility/index';
import * as i0 from "@angular/core";
export declare class MenuNavigationToggleDirective implements OnDestroy {
    readonly elementRef: ElementRef<any>;
    readonly focusIndicatorService: FocusIndicatorService;
    /** Define if the menu is open */
    get menuOpen(): boolean;
    set menuOpen(value: boolean);
    /** Define the position the menu appears relative to the button */
    menuPosition: 'top' | 'right' | 'bottom' | 'left';
    /** Emit when the menu open state changes */
    menuOpenChange: EventEmitter<boolean>;
    /** Emits whenever a key that opens the menu is pressed */
    keyEnter: EventEmitter<void>;
    /** Store the current menu open state */
    private _menuOpen;
    /** Store a reference to the focus indicator */
    private readonly _focusIndicator;
    constructor();
    ngOnDestroy(): void;
    focus(origin?: FocusOrigin): void;
    keydownHandler(event: KeyboardEvent): void;
    private isKeyMatch;
    static ɵfac: i0.ɵɵFactoryDeclaration<MenuNavigationToggleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<MenuNavigationToggleDirective, "[uxMenuNavigationToggle]", ["uxMenuNavigationToggle"], { "menuOpen": { "alias": "menuOpen"; "required": false; }; "menuPosition": { "alias": "menuPosition"; "required": false; }; }, { "menuOpenChange": "menuOpenChange"; "keyEnter": "keyEnter"; }, never, never, false, never>;
}