code: func (r *BotService) Delete(botId string) *BotDeleteCall {
  	c := &BotDeleteCall{s: r.s, urlParams_: make(gensupport.URLParams)}
  	c.botId = botId
  	return c
  }
docs: // Delete: Deletes the bot corresponding to a provided bot_id. At that
  // point, the bot will not appears in the list of bots but it is still
  // possible to get information about the bot with its bot id is known,
  // as historical data is not deleted. It is meant to remove from the DB
  // the presence of a bot that was retired, e.g. the VM was shut down
  // already. Use 'terminate' instead of the bot is still alive.