import type { TreeViewItem } from '../types.js';
/**
 * Creates a map of items by ID for O(1) lookup in tree operations
 *
 * This improves performance by allowing direct access to any node without
 * having to traverse the entire tree each time we need to find a specific item
 */
export declare function buildItemMap(items: TreeViewItem[], map?: Map<string, TreeViewItem>): Map<string, TreeViewItem>;
//# sourceMappingURL=buildItemMap.d.ts.map