import NileElement from '../internal/nile-element';
import type { CSSResultGroup } from 'lit';
import type NileMenuItem from '../nile-menu-item/nile-menu-item';
/**
 * An nile-menu element.
 * @summary Menus provide a list of options for the user to choose from.
 *
 * @slot - The menu's content, including menu items, menu labels, and dividers.
 *
 * @event nile-select - Emitted when a menu item is selected.
 * @fires count-changed - Indicates when the count changes
 * @slot - This element has a slot
 * @csspart button - The button
 */
export declare class NileMenu extends NileElement {
    static styles: CSSResultGroup;
    searchValue: string;
    searchWidth: number;
    searchEnabled: boolean;
    customSearch: boolean;
    showNoResults: boolean;
    allowSpaceKey: boolean;
    noResultsMessage: string;
    defaultSlot: HTMLSlotElement;
    private readonly hasSlotController;
    connectedCallback(): void;
    private handleClick;
    private handleKeyDown;
    private handleMouseDown;
    private handleSlotChange;
    private isMenuItem;
    /** @internal Gets all slotted menu items, ignoring dividers, headers, and other elements. */
    getAllItems(): NileMenuItem[];
    /**
     * @internal Gets the current menu item, which is the menu item that has `tabindex="0"` within the roving tab index.
     * The menu item may or may not have focus, but for keyboard interaction purposes it's considered the "active" item.
     */
    getCurrentItem(): NileMenuItem | undefined;
    /**
     * @internal Sets the current menu item to the specified element. This sets `tabindex="0"` on the target element and
     * `tabindex="-1"` to all other items. This method must be called prior to setting focus on a menu item.
     */
    setCurrentItem(item: NileMenuItem): void;
    private handleSearchChange;
    render(): import("lit-html").TemplateResult<1>;
}
export default NileMenu;
declare global {
    interface HTMLElementTagNameMap {
        'nile-menu': NileMenu;
    }
}