/**
 * Can be used by developers to verify functionality of the design system.
 *
 * Example:
 * ```html
 * <r-design-system-devtools design-tokens></r-design-system-devtools>
 * ```
 */
export declare class DesignSystemDevtools {
    el: HTMLRDesignSystemDevtoolsElement;
    /** Whether to display a preview of some key design tokens */
    designTokens: boolean;
    private renderDesignTokens;
    render(): any;
}