/**
 * @fileoverview Indexing utilities for the search engine.
 * Pre-computes normalized text and tokens for efficient searching.
 */
import type { IndexedItem, RawItem } from './types';
/**
 * Builds a search index from raw items.
 * Pre-computes normalized text and tokens for each item for efficient searching.
 *
 * @param {RawItem[]} items - Array of raw items with id and label
 * @returns {IndexedItem[]} Array of indexed items with pre-computed norm and tokens
 *
 * @example
 * const items = [
 *   { id: '1', label: 'System Grid Control' },
 *   { id: '2', label: 'Network Manager' }
 * ];
 * const indexed = buildIndex(items);
 * // [
 * //   { id: '1', label: 'System Grid Control', norm: 'system grid control', tokens: ['system', 'grid', 'control'] },
 * //   { id: '2', label: 'Network Manager', norm: 'network manager', tokens: ['network', 'manager'] }
 * // ]
 */
export declare function buildIndex(items: RawItem[]): IndexedItem[];
/**
 * Updates the index when items change.
 * This is an alias for buildIndex for semantic clarity.
 *
 * @param {RawItem[]} items - Array of raw items with id and label
 * @returns {IndexedItem[]} Array of indexed items with pre-computed norm and tokens
 */
export declare function rebuildIndex(items: RawItem[]): IndexedItem[];