transferBusinessAccountStars(businessConnectionId, startCount, form = {}) {
    form.business_connection_id = businessConnectionId;
    form.star_count = startCount;
    return this._request('transferBusinessAccountStars', { form });
  }
This method transfers Telegram Stars from the business account balance to the bot's balance.

Requires the **can_transfer_stars** business bot right.

@param {String} businessConnectionId Unique identifier of the business connection.
@param {Number} starCount Number of Telegram Stars to transfer; 1-10000.
@param {Object} [options] Additional Telegram query options.
@return {Promise} On success, returns True.
@see https://core.telegram.org/bots/api#transferbusinessaccountstars