import type { ChallengeAuth } from "../auth/challenge-auth.js";
import type { ExternalMessage } from "../types.js";
import type { ITransportProvider } from "./interface.js";
/**
 * Telegram transport provider using node-telegram-bot-api
 */
export declare class TelegramProvider implements ITransportProvider {
    private token;
    private auth;
    readonly type = "telegram";
    private bot?;
    private _isConnected;
    private messageHandler?;
    private errorHandler?;
    private lastProcessedMessageId;
    constructor(token: string, auth: ChallengeAuth);
    get isConnected(): boolean;
    /**
     * Convert standard markdown to Telegram markdown format
     * Telegram markdown: *bold* _italic_ `code` [link](url)
     * Standard markdown: **bold** *italic* `code` [link](url)
     */
    private formatForTelegram;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    sendMessage(chatId: string, text: string): Promise<void>;
    sendTyping(chatId: string): Promise<void>;
    onMessage(handler: (message: ExternalMessage) => void): void;
    onError(handler: (error: Error) => void): void;
    private handleMessage;
}
//# sourceMappingURL=telegram.d.ts.map