code: public static CommerceOrder fetchByBillingAddressId_First(
  		long billingAddressId,
  		OrderByComparator<CommerceOrder> orderByComparator) {
  		return getPersistence()
  				   .fetchByBillingAddressId_First(billingAddressId,
  			orderByComparator);
  	}
docs: Returns the first commerce order in the ordered set where billingAddressId = &#63;.
  
  @param billingAddressId the billing address ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce order, or <code>null</code> if a matching commerce order could not be found