/**
 * HTML utility functions for safe rendering
 * Copyright (c) 2026 Mihajlo Stojanovski
 *
 * @module report/html-utils
 */
/**
 * Escape HTML special characters to prevent XSS vulnerabilities.
 *
 * @param text - Raw text to escape
 * @returns HTML-safe escaped text
 */
export declare function escapeHtml(text: string): string;
/**
 * Serialize a value to JSON that is safe for embedding inside a <script> tag.
 *
 * Standard JSON.stringify can produce strings such as </script> which would
 * terminate the enclosing script block mid-document.  The five substitutions
 * below prevent that while keeping the output valid JSON — the browser's
 * JSON.parse handles these Unicode escapes transparently.
 *
 * @param value - Any JSON-serialisable value
 * @returns A string safe to place between <script> and </script>
 */
export declare function safeJsonForScript(value: unknown): string;
/**
 * Get an emoji icon for an attachment based on its type.
 *
 * @param name - Attachment filename
 * @param contentType - MIME type of the attachment
 * @returns Emoji representing the attachment type
 */
export declare function getAttachmentIcon(name: string, contentType: string): string;
/**
 * Get a CSS class for an attachment based on its type.
 *
 * @param name - Attachment filename
 * @param contentType - MIME type of the attachment
 * @returns CSS class name for styling
 */
export declare function getAttachmentClass(name: string, contentType: string): string;
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