/**
  * Find new consolidator for accounts by old consolidator account object
  *
  * @param ClientAccount $oldConsolidator
  * @return null|ClientAccount
  */
 public function findNewConsolidatorForAccounts(ClientAccount $oldConsolidator)
 {
     $clientId = $oldConsolidator->getClientId() ? $oldConsolidator->getClientId() : $oldConsolidator->getClient()->getId();
     return $this->findNewConsolidatorByClientIdAndSystemTypeAndOwner($clientId, $oldConsolidator->getSystemType(), $oldConsolidator->getOwner(), $oldConsolidator->getId());
 }