answerPreCheckoutQuery(preCheckoutQueryId, ok, form = {}) {
    form.pre_checkout_query_id = preCheckoutQueryId;
    form.ok = ok;
    return this._request('answerPreCheckoutQuery', { form });
  }
Use this method to respond to such pre-checkout queries

Once the user has confirmed their payment and shipping details, the Bot API sends the final confirmation in the form of
an [Update](https://core.telegram.org/bots/api#update) with the field *pre_checkout_query*.

**Note:** The Bot API must receive an answer within 10 seconds after the pre-checkout query was sent.

@param {String} preCheckoutQueryId  Unique identifier for the query to be answered
@param {Boolean} ok Specify if every order details are ok
@param {Object} [options] Additional Telegram query options
@return {Promise} On success, True is returned
@see https://core.telegram.org/bots/api#answerprecheckoutquery