metatag-8.x-1.x-dev/src/Plugin/metatag/Tag/Author.php

<?php

namespace Drupal\metatag\Plugin\metatag\Tag;

/**
 * The advanced Author meta tag.
 *
 * @MetatagTag(
 *   id = "author",
 *   label = @Translation("Author"),
 *   description = @Translation("Define the author of a page."),
 *   name = "author",
 *   group = "advanced",
 *   weight = 4,
 *   type = "label",
 *   secure = FALSE,
 *   multiple = FALSE
 * )
 */
class Author extends MetaNameBase {
  // Nothing here yet. Just a placeholder class for a plugin.
}