def send_audio(chat_id:, audio:, reply_to_message_id: nil, reply_markup: nil)
      result = call(:sendAudio, chat_id: chat_id, audio: audio, reply_to_message_id: reply_to_message_id, reply_markup: reply_markup)
      Message.new(result)
    end
def send_audio(chat_id:, audio:, reply_to_message_id: nil, reply_markup: nil)
      result = call(:sendAudio, chat_id: chat_id, audio: audio, reply_to_message_id: reply_to_message_id, reply_markup: reply_markup)
      Message.new(result)
    end
Use this method to send audio files, if you want Telegram clients to
 display the file as a playable voice message. For this to work, your
 audio must be in an .ogg file encoded with OPUS (other formats may be sent as Document)

 @param chat_id [Integer]
 @param audio [Telebot::InputFile, String] Audio file to send (file or file_id)
 @param reply_to_message_id [Integer] If the message is a reply, ID of the original message
 @param reply_markup [ReplyKeyboardMarkup, ReplyKeyboardHide, ForceReply] Additional interface options

 @return [Telebot::Message]