--- /dev/null
+<?php
+
+namespace Drupal\metatag\Plugin\metatag\Group;
+
+/**
+ * The TwitterCards group.
+ *
+ * @MetatagGroup(
+ * id = "twitter_cards",
+ * label = @Translation("Twitter Cards"),
+ * description = @Translation("A set of meta tags specially for controlling the summaries displayed when content is shared on <a href='https://twitter.com/'>Twitter</a>."),
+ * weight = 4
+ * )
+ */
+class TwitterCards extends GroupBase {
+ // Inherits everything from Base.
+}