/**
  * {@inheritdoc}
  */
 public function getProductUrl($product, $additional = array())
 {
     $pluginInfo = $this->pluginList->getNext($this->subjectType, 'getProductUrl');
     if (!$pluginInfo) {
         return parent::getProductUrl($product, $additional);
     } else {
         return $this->___callPlugins('getProductUrl', func_get_args(), $pluginInfo);
     }
 }