/**
  * {@inheritdoc}
  */
 public function load(ObjectManager $manager)
 {
     $blogTagRecords = [];
     for ($i = 0; $i < 10; ++$i) {
         $blogTagRecords[] = ['title' => 'Tag #' . ($i + 1), 'description' => 'Description of the Tag #' . ($i + 1)];
     }
     foreach ($blogTagRecords as $blogTagRecord) {
         $blogTag = new BlogTag();
         $blogTag->setTitle($blogTagRecord['title']);
         $blogTag->setDescription($blogTagRecord['description']);
         $manager->persist($blogTag);
         $manager->flush();
         $this->referenceRepository->addReference('blog-tag-' . $blogTag->getId(), $blogTag);
     }
 }