--- /dev/null
+<?php
+
+namespace Drupal\metatag_twitter_cards\Plugin\metatag\Tag;
+
+use Drupal\metatag\Plugin\metatag\Tag\MetaNameBase;
+
+/**
+ * The Twitter Cards DNT option.
+ *
+ * @MetatagTag(
+ * id = "twitter_cards_donottrack",
+ * label = @Translation("Do Not Track"),
+ * description = @Translation("By default Twitter tracks visitors when a tweet is embedded on a page using the official APIs. Setting this to 'on' will <a href=':url'>stop Twitter from tracking visitors</a>.", arguments = { ":url" = "https://dev.twitter.com/web/overview/privacy#what-privacy-options-do-website-publishers-have" }),
+ * name = "twitter:dnt",
+ * group = "twitter_cards",
+ * weight = 5,
+ * type = "string",
+ * secure = FALSE,
+ * multiple = FALSE
+ * )
+ */
+class TwitterCardsDoNotTrack extends MetaNameBase {
+}