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