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