code: protected function createEmptyDataFor(IAttribute $attribute, $parentId, $activate, $sort)
      {
          return [
              'dcatype'   => 'attribute',
              'tl_class'  => '',
              'attr_id'   => $attribute->get('id'),
              'pid'       => $parentId,
              'sorting'   => $sort,
              'tstamp'    => time(),
              'published' => $activate ? '1' : ''
          ];
      }
docs: {@inheritDoc}
  
  @SuppressWarnings(PHPMD.UnusedFormalParameter)