import { Accessibility } from '../../types';
/**
 * @description
 * Triggers 'performClick' action with 'Spacebar' on 'root', when tree item is selectable and has no subtree. In other cases 'performClick' is triggered with 'Spacebar' or 'Enter'.
 * Triggers 'performSelection' action with 'Spacebar' on 'root', when has a opened subtree.
 * @specification
 * Adds attribute 'aria-expanded=true' based on the property 'expanded' if the component has 'hasSubtree' property.
 * Adds attribute 'tabIndex=-1' to 'root' slot if 'hasSubtree' property is true. Does not set the attribute otherwise.
 * Adds attribute 'aria-setsize=3' based on the property 'treeSize' if the component has 'hasSubtree' property.
 * Adds attribute 'aria-posinset=2' based on the property 'index' if the component has 'hasSubtree' property.
 * Adds attribute 'aria-level=1' based on the property 'level' if the component has 'hasSubtree' property.
 * Adds attribute 'role=treeitem' to 'root' slot if 'hasSubtree' property is true. Sets the attribute to 'none' otherwise.
 * Triggers 'performClick' action with 'Enter' or 'Spacebar' on 'root'.
 * Triggers 'expandSiblings' action with '*' on 'root'.
 * Triggers 'focusParent' action with 'ArrowLeft' on 'root', when has a closed subtree.
 * Triggers 'collapse' action with 'ArrowLeft' on 'root', when has an opened subtree.
 * Triggers 'expand' action with 'ArrowRight' on 'root', when has a closed subtree.
 * Triggers 'focusFirstChild' action with 'ArrowRight' on 'root', when has an opened subtree.
 */
export declare const treeItemBehavior: Accessibility<TreeItemBehaviorProps>;
export declare type TreeItemBehaviorProps = {
    /** If item is a subtree, it indicates if it's expanded. */
    expanded?: boolean;
    level?: number;
    index?: number;
    hasSubtree?: boolean;
    treeSize?: number;
    selectable?: boolean;
    selected?: boolean;
};