/**
 * Normalize a path so that route-component collection and `module.resource`
 * comparison use the exact same form: resolve symlinks (best effort), make it
 * absolute, and use POSIX separators. Used on both sides of the `test` match so
 * Windows / symlink / mixed-separator paths still line up.
 */
export declare function normalizeModulePath(filePath: string): string;
export type RouteComponentFileCollection = {
    /** Normalized absolute paths of resolved route component files. */
    resolvedFiles: Set<string>;
    /** `_component` specifiers that could not be mapped to a real file. */
    unresolvedSpecifiers: string[];
};
/**
 * Per-entry route component files, keyed by entry name. Collected by the router
 * plugin from the FINAL routes and consumed (currently by stream SSR lazy
 * compilation) to force route components eager.
 */
export type EagerRouteComponentFilesByEntry = Map<string, RouteComponentFileCollection>;
/**
 * Walk the file-system route tree and collect the normalized absolute file
 * paths of every route component, plus any `_component` specifiers that could
 * not be resolved to a real file.
 */
export declare function collectRouteComponentFiles(routes: unknown, srcDirectory: string, srcAlias: string): RouteComponentFileCollection;