import { Accessibility } from '../../types';
/**
 * @description
 * Adds role 'treeitem' if the title is a leaf node inside the tree.
 * Adds 'tabIndex' as '-1' if the title is a leaf node inside the tree.
 *
 * @specification
 * Triggers 'performClick' action with 'Enter' or 'Spacebar' on 'root'.
 */
export declare const hierarchicalTreeTitleBehavior: Accessibility<HierarchicalTreeTitleBehaviorProps>;
export declare type HierarchicalTreeTitleBehaviorProps = {
    /** Indicated if tree title has a subtree */
    hasSubtree?: boolean;
    /** If subtree is opened. */
    open?: boolean;
};