import { FocusableOption, FocusMonitor, FocusOrigin } from '@angular/cdk/a11y';
import { ElementRef, OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import { ClientInputInterface, ClientOutputInterface } from '../core/client-environment';
import { GraniteMenuPanelInterface } from './menu-panel';
import * as i0 from "@angular/core";
export declare class GraniteMenuItemComponent implements OnDestroy, FocusableOption {
    private _elementRef;
    private _focusMonitor;
    _parentMenu?: GraniteMenuPanelInterface;
    /** ARIA role for the menu item. */
    role: 'menuitem' | 'menuitemradio' | 'menuitemcheckbox';
    /** Stream that emits when the menu item is hovered. */
    readonly _hovered: Subject<this>;
    /** Stream that emits when the menu item is focused. */
    readonly _focused: Subject<this>;
    /** Whether the menu item acts as a trigger for a sub-menu (used for styling) */
    _triggersSubmenu: boolean;
    /**
     * Whether the menu item is highlighted, e.g. in the "breadcrumb" parent chain
     * of sub menu trigger items
     */
    _highlighted: boolean;
    /** Client input device information */
    _clientInput: ClientInputInterface;
    /** Client output device information */
    _clientOutput: ClientOutputInterface;
    constructor(_elementRef: ElementRef<HTMLElement>, _focusMonitor: FocusMonitor, _parentMenu?: GraniteMenuPanelInterface);
    ngOnDestroy(): void;
    /** Focuses the menu item. */
    focus(origin?: FocusOrigin, options?: FocusOptions): void;
    /** Returns the host DOM element. */
    _getHostElement(): HTMLElement;
    static ɵfac: i0.ɵɵFactoryDeclaration<GraniteMenuItemComponent, [null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<GraniteMenuItemComponent, "[graniteMenuItem]", ["graniteMenuItem"], { "role": { "alias": "role"; "required": false; }; }, {}, never, ["*"], false, never>;
}