import type { Button } from './types';
import type { InlineKeyboardButton } from '@telegraf/types';
/**
 * This function converts standard markdown to Telegram MarkdownV2.
 *
 * In addition to processing code blocks, inline code, links, bold, strikethrough, and italic,
 * it converts any header lines (those starting with one or more `#`) to bold text.
 *
 * Note: This solution uses a sequence of regex‐replacements and placeholders.
 * It makes assumptions about non–nested formatting and does not cover every edge case.
 */
export declare function convertMarkdownToTelegram(markdown: string): string;
/**
 * Splits a message into chunks that fit within Telegram's message length limit
 */
/**
 * Splits a text message into chunks based on a maximum length for each chunk.
 *
 * @param {string} text - The text message to split.
 * @param {number} maxLength - The maximum length for each chunk (default is 4096).
 * @returns {string[]} An array containing the text message split into chunks.
 */
export declare function splitMessage(text: string, maxLength?: number): string[];
/**
 * Converts Eliza buttons into Telegram buttons
 * @param {Button[]} buttons - The buttons from Eliza content
 * @returns {InlineKeyboardButton[]} Array of Telegram buttons
 */
export declare function convertToTelegramButtons(buttons?: Button[] | null): InlineKeyboardButton[];
/**
 * Clean text by removing all NULL (\u0000) characters
 * @param {string | undefined | null} text - The text to clean
 * @returns {string} The cleaned text
 */
export declare function cleanText(text: string | undefined | null): string;