import type { PageContext } from '../types/frontend.js';
export type { PageContext, PageContextInit } from '../types/frontend.js';
/**
 * Escape HTML entities to prevent XSS attacks.
 *
 * @param str - String to escape
 * @returns Escaped string safe for HTML content
 *
 * @example
 * ```typescript
 * escapeHtml('<script>alert("xss")</script>')
 * // Returns: '&lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt;'
 * ```
 */
export declare function escapeHtml(str: string): string;
/**
 * Options for rendering an HTML shell
 */
export interface HTMLShellOptions {
    title?: string;
    description?: string;
    lang?: string;
    charset?: string;
    viewport?: string;
    styles?: string[];
    scripts?: string[];
    headContent?: string;
    bodyContent?: string;
    bodyAttributes?: Record<string, string>;
}
/**
 * Render a basic HTML shell for SSR.
 *
 * @param options - Options for the HTML shell
 * @returns Complete HTML document string
 *
 * @example
 * ```typescript
 * const html = renderHTMLShell({
 *   title: 'My Page',
 *   description: 'A sample page',
 *   bodyContent: '<div id="root">Loading...</div>',
 *   styles: ['/styles/main.css'],
 *   scripts: ['/js/app.js'],
 * })
 * ```
 */
export declare function renderHTMLShell(options?: HTMLShellOptions): string;
/**
 * Render a page to HTML string for server-side rendering.
 *
 * This is a framework-agnostic utility for basic SSR. For React Server Components
 * and advanced features like Lexical rich text serialization, use the full
 * SSR handler at apps/mainframe/src/server/revealui-handler.tsx.
 *
 * @param pageData - The page data to render
 * @param context - Page context information
 * @returns HTML string
 *
 * @example
 * ```typescript
 * const html = renderPage(
 *   { title: 'Welcome', content: '<p>Hello world</p>' },
 *   { url: '/welcome', locale: 'en' }
 * )
 * ```
 */
export declare function renderPage(pageData: unknown, context: PageContext): string;
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