metatag-8.x-1.x-dev/src/Plugin/metatag/Group/Advanced.php

<?php

namespace Drupal\metatag\Plugin\metatag\Group;

/**
 * The advanced group.
 *
 * @MetatagGroup(
 *   id = "advanced",
 *   label = @Translation("Advanced"),
 *   description = @Translation("Meta tags that might not be needed by many sites."),
 *   weight = -9
 * )
 */
class Advanced extends GroupBase {
  // Inherits everything from Base.
}