Synchronization::getVendorSynchronization

private function getVendorSynchronization(FactoryInterface $factory): VendorSynchronization
{
	$key = $factory->getConnection()->getVendor()->getCode();
	if (empty($this->subManagers[$key]))
	{
		$this->subManagers[$key] =  new VendorSynchronization($factory);
	}

	return $this->subManagers[$key];
}