import { KeyboardEvent } from 'react';
/**
 * Gets all visible focusable elements for a specific toolbar instance.
 * Filters out hidden items and includes the overflow trigger if present.
 */
export declare function getToolbarElements(toolbarElement: HTMLElement): Element[];
/**
 * Updates tabindex values for all items in a toolbar.
 * Sets tabindex="0" for the active item and tabindex="-1" for all others.
 */
export declare function updateToolbarItemsTabIndex(toolbarElement: HTMLElement, activeItem?: Element | number): Element | undefined;
/**
 * Handles keyboard navigation within the toolbar component following ARIA practices.
 *
 * Navigation behavior:
 * - Left/Right arrows move focus in horizontal toolbars
 * - Up/Down arrows move focus in vertical toolbars
 * - Home/End move to first/last items
 * - Navigation wraps around at the ends
 * - Only visible items are included in navigation
 */
export declare function handleToolbarKeyDown(event: KeyboardEvent<HTMLElement>, toolbarElement: HTMLElement): void;
/**
 * Handles keyboard navigation within overflow menu using arrow keys
 */
export declare const handleMenuKeyboardNavigation: (event: KeyboardEvent<HTMLUListElement>) => void;