/**
 * Pure, DOM-free helper backing the `DocsSidebar` command palette's fuzzy search. Kept out of the
 * client component so the (untestable-via-static-markup) search logic can be unit-tested directly.
 * Fuse.js runs in Node too, so this is a plain function call.
 */
import type { NavItem } from "../../../docs/types.js";
/**
 * Fuzzily filters nav items by a free-text query over their title, sidebar label, group, and tab.
 * An empty or whitespace-only query returns the items unchanged (sidebar reading order preserved);
 * otherwise matches are returned in Fuse's relevance order.
 *
 * @param items - the flattened nav items to search (typically `flattenNav(navTree)`).
 * @param query - the reader's search text.
 * @returns the matching items (all items when the query is blank).
 */
export declare function searchNav(items: NavItem[], query: string): NavItem[];