sendLocation(chatId, latitude, longitude, form = {}) {
    form.chat_id = chatId;
    form.latitude = latitude;
    form.longitude = longitude;
    return this._request('sendLocation', { form });
  }
Send location.
Use this method to send point on the map.

@param {Number|String} chatId  Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
@param {Float} latitude Latitude of location
@param {Float} longitude Longitude of location
@param {Object} [options] Additional Telegram query options
@return {Promise} On success, the sent [Message](https://core.telegram.org/bots/api#message) object is returned
@see https://core.telegram.org/bots/api#sendlocation