export declare const MenuTheme: { root: { background: string; borderColor: string; color: string; borderRadius: string; shadow: string; transitionDuration: string; }; list: { padding: string; gap: string; }; item: { focusBackground: string; color: string; focusColor: string; padding: string; borderRadius: string; gap: string; icon: { color: string; focusColor: string; }; }; submenuLabel: { padding: string; fontWeight: string; background: string; color: string; }; separator: { borderColor: string; }; };