import type { Injector } from '@furystack/inject';
import type { ExtractRoutePaths } from '../components/nested-route-types.js';
import type { MatchChainEntry, NestedRoute, NestedRouteMeta } from '../components/nested-router.js';
/**
 * Resolves the title for a single match chain entry.
 * If the title is a function, it is called with `{ match, injector }` (supports async).
 * @param entry - A matched route entry from the match chain
 * @param injector - The injector instance to pass to dynamic title resolvers
 * @returns The resolved title string, or undefined if no title is configured
 */
export declare const resolveRouteTitle: (entry: MatchChainEntry, injector: Injector) => Promise<string | undefined>;
/**
 * Resolves all titles from a match chain in parallel.
 * @param chain - The match chain from outermost to innermost route
 * @param injector - The injector instance to pass to dynamic title resolvers
 * @returns An array of resolved titles (some may be undefined if no title is configured)
 */
export declare const resolveRouteTitles: (chain: MatchChainEntry[], injector: Injector) => Promise<Array<string | undefined>>;
/**
 * Composes resolved titles into a single document title string.
 * Filters out undefined entries before joining.
 * @param titles - Array of resolved titles (may contain undefined)
 * @param options - Formatting options
 * @param options.separator - String placed between title segments (default: `' - '`)
 * @param options.prefix - Optional app name prepended before all segments
 * @returns The composed title string
 *
 * @example
 * ```typescript
 * buildDocumentTitle(['Media', 'Movies', 'Superman'], { prefix: 'My App', separator: ' / ' })
 * // => 'My App / Media / Movies / Superman'
 *
 * buildDocumentTitle(['Settings', undefined, 'Profile'])
 * // => 'Settings - Profile'
 * ```
 */
export declare const buildDocumentTitle: (titles: Array<string | undefined>, options?: {
    separator?: string;
    prefix?: string;
}) => string;
/**
 * A node in a navigation tree extracted from route definitions.
 *
 * When {@link extractNavTree} is called with an explicit route tree type
 * parameter (e.g. `extractNavTree<typeof appRoutes>(...)`), `pattern` narrows
 * to the declared route keys and `fullPath` narrows to the union of all
 * composed paths in the subtree. Without a type parameter the generic falls
 * back to a widened shape so ad-hoc consumers keep compiling.
 *
 * @typeParam TRoutes - The route tree the node was extracted from
 */
export type NavTreeNode<TRoutes extends Record<string, NestedRoute<any, any, any>> = Record<string, NestedRoute<any, any, any>>> = {
    pattern: keyof TRoutes & string;
    fullPath: ExtractRoutePaths<TRoutes> & string;
    meta?: NestedRouteMeta;
    children?: Array<NavTreeNode<TRoutes>>;
};
/**
 * Extracts a navigation tree from route definitions.
 *
 * The returned nodes preserve the route tree's static typing: `pattern` is
 * narrowed to the declared keys of `TRoutes` and `fullPath` is narrowed to
 * the union of composed paths reachable from `TRoutes` (as produced by
 * {@link ExtractRoutePaths}). This makes the output a single, typed source
 * of truth for sidebar navigation, breadcrumbs and other route-tree-aware
 * UIs — without requiring `as` casts at the call site.
 *
 * Child nodes share their parent's `TRoutes` type parameter; the resulting
 * union is a safe upper bound of the actual paths at any depth, which keeps
 * the helper simple while still accepted by `createNestedRouteLink`,
 * `createNestedNavigate` and `createNestedReplace` factories bound to the
 * same route tree.
 *
 * @param routes - The route definitions to extract from
 * @param parentPath - The parent path prefix (used internally for recursion)
 * @returns An array of navigation tree nodes
 */
export declare const extractNavTree: <TRoutes extends Record<string, NestedRoute<any, any, any>>>(routes: TRoutes, parentPath?: string) => Array<NavTreeNode<TRoutes>>;
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