/**
 * Escape utilities for Telegram message formatting
 *
 * Single source of truth for all escape functions.
 * Both HTML and MarkdownV2 escape functions live here.
 */
/**
 * Escape HTML special characters for Telegram HTML parse mode
 * Handles all special characters that could break HTML parsing
 *
 * @param text - Raw text to escape
 * @returns HTML-escaped text safe for Telegram
 */
export declare function escapeHTML(text: string): string;
/**
 * Escape special characters for Telegram MarkdownV2 parse mode
 * All 18 special characters must be escaped with backslash in normal text
 *
 * Characters: _ * [ ] ( ) ~ ` > # + - = | { } . !
 *
 * @param text - Raw text to escape
 * @returns MarkdownV2-escaped text
 */
export declare function escapeMarkdownV2(text: string): string;
/**
 * Escape characters inside MarkdownV2 code/pre blocks
 * Only backtick and backslash need escaping inside code
 *
 * @param text - Text inside code block
 * @returns Escaped text for code context
 */
export declare function escapeMarkdownV2InCode(text: string): string;
/**
 * Escape characters inside MarkdownV2 inline link URLs
 * Only closing parenthesis and backslash need escaping inside URLs
 *
 * @param text - URL text
 * @returns Escaped text for URL context
 */
export declare function escapeMarkdownV2InUrl(text: string): string;