{ vanillaTheme: string; name: string; displayName: string; legacy: boolean; background: { lightMode: string; darkMode: string; }; webFonts: { linkTag: string; }[]; space: { grid: number; space: { gutter: number; ... 7 more ...; xxxlarge: number; }; }; color: { ...; }; backgroundLightness: { ...; }; }