public function afterSave(\Magento\Catalog\Model\ResourceModel\Eav\Attribute $subject, $attribute)
 {
     $oldStores = $this->advSearchStores->getStoreIds($attribute->getId());
     $newStores = (array) $attribute->getAdvancedSearchStoreIds();
     // If no stores are selected or all stores and stores are selected set only to all stores value
     if (empty($newStores) || count($newStores) > 1 && in_array(0, $newStores)) {
         $newStores = [0];
     }
     $insert = array_diff($newStores, $oldStores);
     $delete = array_diff($oldStores, $newStores);
     if ($delete) {
         $this->advSearchStores->deleteStoreIds($attribute->getId(), $delete);
     }
     if ($insert) {
         $this->advSearchStores->saveStoreIds($attribute->getId(), $insert);
     }
 }