export declare const HTMLElementSSR: () => {
    new (): HTMLElement;
    prototype: HTMLElement;
};
export declare const RanElement: {
    new (): HTMLElement;
    prototype: HTMLElement;
};
/**
 * Rendering utility for RanUI components in SSR environments.
 * Accepts a component instance and returns its HTML string with Declarative Shadow DOM.
 */
export declare const renderToString: (component: any) => string;
/**
 * Convenience helper to render a tag with attributes and children manually.
 */
export declare const h: (tag: string, props?: Record<string, string>, ...children: any[]) => string;