getWebHookInfo(form = {}) {
    return this._request('getWebhookInfo', { form });
  }
Use this method to get current webhook status.
On success, returns a [WebhookInfo](https://core.telegram.org/bots/api#webhookinfo) object.
If the bot is using getUpdates, will return an object with the
url field empty.
@param {Object} [options] Additional Telegram query options
@return {Promise}
@see https://core.telegram.org/bots/api#getwebhookinfo