/**
  * Filter the query by a related LeasingLeaseType object
  *
  * @param   LeasingLeaseType|PropelObjectCollection $leasingLeaseType The related object(s) to use as filter
  * @param     string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @return                 LeasingUnitQuery The current query, for fluid interface
  * @throws PropelException - if the provided filter is invalid.
  */
 public function filterByLeasingLeaseType($leasingLeaseType, $comparison = null)
 {
     if ($leasingLeaseType instanceof LeasingLeaseType) {
         return $this->addUsingAlias(LeasingUnitPeer::LEASE_TYPE_ID, $leasingLeaseType->getId(), $comparison);
     } elseif ($leasingLeaseType instanceof PropelObjectCollection) {
         if (null === $comparison) {
             $comparison = Criteria::IN;
         }
         return $this->addUsingAlias(LeasingUnitPeer::LEASE_TYPE_ID, $leasingLeaseType->toKeyValue('PrimaryKey', 'Id'), $comparison);
     } else {
         throw new PropelException('filterByLeasingLeaseType() only accepts arguments of type LeasingLeaseType or PropelCollection');
     }
 }