code: public static CommerceDiscount findByUUID_G(String uuid, long groupId)
  		throws com.liferay.commerce.discount.exception.NoSuchDiscountException {
  		return getPersistence().findByUUID_G(uuid, groupId);
  	}
docs: Returns the commerce discount where uuid = &#63; and groupId = &#63; or throws a {@link NoSuchDiscountException} if it could not be found.
  
  @param uuid the uuid
  @param groupId the group ID
  @return the matching commerce discount
  @throws NoSuchDiscountException if a matching commerce discount could not be found