/**
 * The old Material UI v4 Backstage light theme.
 *
 * @public
 * @deprecated Use {@link themes.light} instead.
 */
export declare const lightTheme: import("@material-ui/core").Theme;
/**
 * The old Material UI v4 Backstage dark theme.
 *
 * @public
 * @deprecated Use {@link themes.dark} instead.
 */
export declare const darkTheme: import("@material-ui/core").Theme;