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