protected function importTaxonomyTerms() {
    $data = $this->loadDataArray('taxonomy');
    if (!empty($data)) {

      $uuids = [];

      foreach ($data as $item) {

        // Prepare content.
        $values = [
          'vid' => $item['vid'],
          'name' => $item['name'],
        ];

        // Set author.
        $values['uid'] = 1;

        // Create Media.
        $entity = $this->entityTypeManager->getStorage('taxonomy_term')->create($values);
        $entity->save();
        $uuids[$entity->uuid()] = 'taxonomy_term';
      }
      $this->storeCreatedContentUuids($uuids);
    }
    return $this;
  }