public function initDealerFolders($overrideExisting = true)
    {
        if (null !== $this->collDealerFolders && !$overrideExisting) {
            return;
        }
        $this->collDealerFolders = new ObjectCollection();
        $this->collDealerFolders->setModel('\Dealer\Model\DealerFolder');
    }