import { BaseChannel } from './base.js';
export interface TelegramChannelConfig {
    token: string;
    pollingTimeout?: number;
}
export declare class TelegramChannel extends BaseChannel {
    private bot;
    private running;
    constructor(config: TelegramChannelConfig);
    private setupHandlers;
    /**
     * Download a file from Telegram API to local cache.
     * Uses telegramFetch (DNS fallback + proxy) to bypass DNS pollution.
     * Mirrors Hermes Agent's download_as_bytearray → cache pattern.
     */
    private downloadTelegramFile;
    private processMessage;
    private sendResponse;
    start(): Promise<void>;
    stop(): Promise<void>;
    sendMessage(chatId: number, text: string): Promise<void>;
    getOffset(): number;
}
//# sourceMappingURL=telegram.d.ts.map