close(form = {}) {
    return this._request('close', { form });
  }
This method close the bot instance before moving it from one local server to another.
This method will return error 429 in the first 10 minutes after the bot is launched.

@param {Object} [options] Additional Telegram query options
@return {Promise}  True on success
@see https://core.telegram.org/bots/api#close