code: def to_array(self):
          
          array = super(InlineQueryResultAudio, self).to_array()
          # 'type' and 'id' given by superclass
          array['audio_url'] = u(self.audio_url)  # py2: type unicode, py3: type str
          array['title'] = u(self.title)  # py2: type unicode, py3: type str
          if self.caption is not None:
              array['caption'] = u(self.caption)  # py2: type unicode, py3: type str
          if self.parse_mode is not None:
              array['parse_mode'] = u(self.parse_mode)  # py2: type unicode, py3: type str
          if self.performer is not None:
              array['performer'] = u(self.performer)  # py2: type unicode, py3: type str
          if self.audio_duration is not None:
              array['audio_duration'] = int(self.audio_duration)  # type int
          if self.reply_markup is not None:
              array['reply_markup'] = self.reply_markup.to_array()  # type InlineKeyboardMarkup
          if self.input_message_content is not None:
              array['input_message_content'] = self.input_message_content.to_array()  # type InputMessageContent
          return array
docs: Serializes this InlineQueryResultAudio to a dictionary.
  
          :return: dictionary representation of this object.
          :rtype: dict