/**
 * Telegram Bot API client.
 *
 * Sends messages to a user via Telegram Bot API (REST only).
 * Requires: bot token (from @BotFather) + chat ID.
 */
export interface TelegramConfig {
    botToken: string;
    chatId: string;
}
/**
 * Send a message to the configured chat.
 */
export declare function sendTelegramMessage(config: TelegramConfig, message: string, opts?: {
    parseMode?: "Markdown" | "HTML";
}): Promise<void>;
/**
 * Validate bot token by calling getMe.
 * Returns the bot's username if valid.
 */
export declare function validateTelegramBot(token: string): Promise<{
    valid: boolean;
    username: string;
}>;
/**
 * Get recent updates to find the chat ID from a user who messaged the bot.
 * User must send /start to the bot first.
 */
export declare function getRecentChatId(token: string): Promise<{
    chatId: string;
    firstName: string;
} | null>;