_objectManager = $objectManager; } /** * @param mixed $parameter * @return \Magento\Paypal\Helper\Shortcut\ValidatorInterface */ public function create($parameter = null) { $instanceName = self::DEFAULT_VALIDATOR; if (is_object($parameter) && $parameter instanceof \Magento\Checkout\Model\Session) { $instanceName = self::CHECKOUT_VALIDATOR; } return $this->_objectManager->create($instanceName); } }