code: func (bot *BotAPI) AnswerCallbackQuery(config CallbackConfig) (APIResponse, error) {
  	v := url.Values{}
  
  	v.Add("callback_query_id", config.CallbackQueryID)
  	if config.Text != "" {
  		v.Add("text", config.Text)
  	}
  	v.Add("show_alert", strconv.FormatBool(config.ShowAlert))
  	if config.URL != "" {
  		v.Add("url", config.URL)
  	}
  	v.Add("cache_time", strconv.Itoa(config.CacheTime))
  
  	bot.debugLog("answerCallbackQuery", v, nil)
  
  	return bot.MakeRequest("answerCallbackQuery", v)
  }
docs: // AnswerCallbackQuery sends a response to an inline query callback.