/** Drop every cached side manifest and child-CSS blob. The dev server calls
 *  this after rebuilding Vue bundles — the caches are keyed by path and
 *  never re-validated (correct in prod where artifacts are immutable), so
 *  without this a scoped-style edit under an SPA route kept serving the
 *  boot-time CSS in SSR until the process restarted. */
export declare const clearSpaRouteCssCaches: () => void;
/** Resolve SPA child route compiled CSS for a request.
 *  Returns the CSS text (possibly empty) so the page handler can
 *  inline it alongside the parent page's own sibling CSS. */
export declare const resolveSpaChildCss: (siblingJsPath: string | undefined, requestUrl: string | undefined) => Promise<string>;