/**
  * Normalize the attributes
  *
  * @param FamilyInterface $family
  *
  * @return array
  */
 protected function normalizeAttributes(FamilyInterface $family)
 {
     $attributes = $this->collectionFilter->filterCollection($this->attributeRepository->findAttributesByFamily($family), 'pim.internal_api.attribute.view');
     $normalizedAttributes = [];
     foreach ($attributes as $attribute) {
         $normalizedAttributes[] = $attribute->getCode();
     }
     sort($normalizedAttributes);
     return $normalizedAttributes;
 }