first commit

core/modules/contextual/contextual.post_update.php

@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @file
+ * Post update functions for Contextual Links.
+ */
+
+/**
+ * Implements hook_removed_post_updates().
+ */
+function contextual_removed_post_updates() {
+  return [
+    'contextual_post_update_fixed_endpoint_and_markup' => '9.0.0',
+  ];
+}