import { ReactElement } from 'react';
/**
 * Props for the ToolbarOverflowMenu component
 */
export type ToolbarOverflowMenuProps = {
    /**
     * Additional items to display in the overflow menu
     */
    additionalItems?: ReactElement[];
    /**
     * Direction of the parent toolbar
     * @default horizontal
     */
    direction?: "vertical" | "horizontal";
};
/**
 * ToolbarOverflowMenu component displays toolbar items that don't fit in the main toolbar.
 *
 * Features:
 * - Automatic rendering when items overflow in collapse mode
 * - Maintains consistent item ordering with the main toolbar
 * - Preserves item state between toolbar and overflow menu
 * - Provides accessible navigation with keyboard and screen readers
 * - Adapts to both horizontal and vertical toolbar layouts
 * - Context-aware rendering for child components
 * - Proper ARIA menu semantics
 * - Keyboard navigation support
 */
export declare const ToolbarOverflowMenu: ({ additionalItems, direction, }: ToolbarOverflowMenuProps) => import("react/jsx-runtime").JSX.Element;