code: public static CommerceCountry findByG_N(long groupId, int numericISOCode)
  		throws com.liferay.commerce.exception.NoSuchCountryException {
  		return getPersistence().findByG_N(groupId, numericISOCode);
  	}
docs: Returns the commerce country where groupId = &#63; and numericISOCode = &#63; or throws a {@link NoSuchCountryException} if it could not be found.
  
  @param groupId the group ID
  @param numericISOCode the numeric iso code
  @return the matching commerce country
  @throws NoSuchCountryException if a matching commerce country could not be found