import React from 'react';
export interface ShowcaseContentProps {
    /**
     * Brand theme id to switch to on mount (e.g. `"xertica"`). Left undefined
     * by default so embedding this content inside a host app never hijacks its
     * active theme — only the standalone `ShowcasePage` opts into this.
     */
    defaultThemeId?: string;
}
export declare function ShowcaseContent({ defaultThemeId }: ShowcaseContentProps): React.JSX.Element;