import type { CollectionComposer, DataItem } from '@refinitiv-ui/utils/collection.js';
import type { TreeManager } from '../managers/tree-manager';
export type TreeData<T extends TreeDataItem = TreeDataItem> = T[] | CollectionComposer<T> | null;
export interface TreeDataItem extends DataItem {
    /**
     * Icon to show, when rendering the item.
     */
    icon?: string;
    /**
     * Label to show, when rendering the item.
     */
    label?: string;
    /**
     * Expanded state of child items.
     * If `true`, child items will be visible
     */
    expanded?: boolean;
    /**
     * Used for nested TreeDataItem.
     */
    items?: TreeDataItem[];
}
/**
 * Predicate callback
 * Matches item against filter function
 *
 * @param item Item to filter
 * @return Does item match filter
 */
export type TreeFilter<T extends TreeDataItem = TreeDataItem> = (item: T, manager: TreeManager<T>) => boolean;