import { LitElement } from 'lit';
import type { MenuItem } from './menu-item.js';
export interface MenuEventDetail {
    item: MenuItem;
    index: number;
}
export type MenuActionEvent = CustomEvent<MenuEventDetail>;
export type MenuItemFocusEvent = CustomEvent<MenuEventDetail>;
declare const Menu_base: Constructor<import("./mixins/internals-attached.js").InternalsAttachedInterface> & typeof LitElement;
/**
 * @csspart items
 * @slot - menu items
 * @fires {MenuActionEvent} action - Fires when an item is activated.
 * @fires {MenuItemFocusEvent} item-focus - Fires when an item is focused.
 * @fires {Event} request-popup-hide - Fires when menu should be hidden.
 */
export declare class Menu extends Menu_base {
    #private;
    /**
     * When true, emits `request-popup-hide` on `action`
     */
    keepOpenAction: boolean;
    /**
     * When true, removes the default focus management and `aria-activedescendant`
     * on the host.
     */
    bare: boolean;
    slotItems: Array<MenuItem>;
    get $items(): MenuItem[];
    get currentIndex(): number;
    focusFirstItem(): void;
    focusLastItem(): void;
    focusItem(item: MenuItem): void;
    render(): import("lit-html").TemplateResult<1>;
    constructor();
    private readonly listController;
    handleKeyDown(event: KeyboardEvent): void;
}
export declare enum MenuAction {
    Close = -11,
    CloseSelect = -10,
    First = 1,
    Last = 2,
    Next = 3,
    Open = 4,
    PageDown = 5,
    PageUp = 6,
    Previous = 7,
    Select = 8,
    Type = 9
}
export declare function getActionFromKey(event: KeyboardEvent): MenuAction | null;
export declare function getVisibleItems(container: HTMLElement, items: HTMLElement[]): {
    first: number;
    last: number;
    pageSize: number;
};
export {};