/**
 * @license
 * Copyright Datorama. All Rights Reserved.
 *
 * Use of this source code is governed by an Apache License 2.0 license that can be
 * found in the LICENSE file at https://github.com/datorama/client-core/blob/master/LICENSE
 */
import { EventEmitter, OnDestroy } from '@angular/core';
import { DatoMenuItemDirective } from './menu-item.directive';
import { Observable } from 'rxjs';
import { DatoMenuContentDirective } from './menu-content.directive';
import { ColorPalette } from '../themes/palette.directive';
import { Popper } from '../services/popper';
import { PopperOptions } from '../services/popper';
export declare class DatoMenuComponent implements OnDestroy {
    private popper;
    content: DatoMenuContentDirective;
    placement: PopperOptions['placement'];
    menuClass: string | string[];
    theme: ColorPalette;
    menuClosed: EventEmitter<any>;
    isOpen: boolean;
    child: DatoMenuComponent;
    private popperInstance;
    private items;
    private itemChanges;
    constructor(popper: Popper);
    get isChildMenuOpen(): boolean;
    open(origin: HTMLElement): void;
    close(): void;
    /** Stream that emits whenever the hovered menu item changes. */
    _itemsHovered(): Observable<DatoMenuItemDirective>;
    addItem(item: DatoMenuItemDirective): void;
    removeItem(item: DatoMenuItemDirective): void;
    setChild(menu: DatoMenuComponent): void;
    ngOnDestroy(): void;
}