code: public static CommerceShippingMethod findByG_A_First(long groupId,
  		boolean active,
  		OrderByComparator<CommerceShippingMethod> orderByComparator)
  		throws com.liferay.commerce.exception.NoSuchShippingMethodException {
  		return getPersistence()
  				   .findByG_A_First(groupId, active, orderByComparator);
  	}
docs: Returns the first commerce shipping method in the ordered set where groupId = &#63; and active = &#63;.
  
  @param groupId the group ID
  @param active the active
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce shipping method
  @throws NoSuchShippingMethodException if a matching commerce shipping method could not be found