--- /dev/null
+<?php
+
+namespace Drupal\ctools;
+
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+use Drupal\user\SharedTempStore;
+
+/**
+ * An extension of the SharedTempStore system for serialized data.
+ */
+class SerializableTempstore extends SharedTempStore {
+ use DependencySerializationTrait;
+}