/**
  * Exclude object from result
  *
  * @param   ChildCreditAmountHistory $creditAmountHistory Object to remove from the list of results
  *
  * @return ChildCreditAmountHistoryQuery The current query, for fluid interface
  */
 public function prune($creditAmountHistory = null)
 {
     if ($creditAmountHistory) {
         $this->addUsingAlias(CreditAmountHistoryTableMap::ID, $creditAmountHistory->getId(), Criteria::NOT_EQUAL);
     }
     return $this;
 }