/** Callback protocol for non-blocking `TelegramSendMessage.reply_options`. */
export declare const TELEGRAM_REPLY_CALLBACK_PREFIX = "reply:v1:";
export declare const TELEGRAM_REPLY_MAX_OPTIONS = 8;
export declare function telegramReplyCallbackData(index: number): string;
export declare function isTelegramReplyCallbackData(data: string): boolean;
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