/**
  * Exclude object from result
  *
  * @param   ChildEventInterest $eventInterest Object to remove from the list of results
  *
  * @return $this|ChildEventInterestQuery The current query, for fluid interface
  */
 public function prune($eventInterest = null)
 {
     if ($eventInterest) {
         $this->addUsingAlias(EventInterestTableMap::COL_EVENT_INTEREST_ID, $eventInterest->getEventInterestId(), Criteria::NOT_EQUAL);
     }
     return $this;
 }