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