import { FocusOrigin } from '@angular/cdk/a11y';
import { Direction } from '@angular/cdk/bidi';
import { EventEmitter, InjectionToken, TemplateRef } from '@angular/core';
import { MenuPositionX, MenuPositionY } from './menu-positions';
/**
 * Injection token used to provide the parent menu to menu-specific components.
 * @docs-private
 */
export declare const GRANITE_MENU_PANEL: InjectionToken<GraniteMenuPanelInterface>;
export type ClosedEventType = void | 'click' | 'keydown' | 'tab';
export type OpenedEventType = void | 'click' | 'keydown';
export interface GraniteMenuPanelInterface {
    xPosition: MenuPositionX;
    yPosition: MenuPositionY;
    templateRef: TemplateRef<any>;
    parentMenu?: GraniteMenuPanelInterface | undefined;
    direction?: Direction;
    focusFirstItem: (origin?: FocusOrigin) => void;
    closed: EventEmitter<ClosedEventType>;
    opened: EventEmitter<OpenedEventType>;
    readonly panelId?: string;
    showBackButton: boolean;
}