--- /dev/null
+<?php
+
+namespace Drupal\metatag_dc_advanced\Plugin\metatag\Group;
+
+use \Drupal\metatag\Plugin\metatag\Group\GroupBase;
+
+/**
+ * Provides a plugin for the 'Dublin Core Additional Tags' meta tag group.
+ *
+ * @MetatagGroup(
+ * id = "dublin_core_advanced",
+ * label = @Translation("Dublin Core Additional Tags"),
+ * description = @Translation("These tags are not part of the Metadata Element Set but may be useful for certain scenarios."),
+ * weight = 0,
+ * )
+ */
+class DublinCoreAdvanced extends GroupBase {
+ // Nothing here yet. Just a placeholder class for a plugin.
+}