--- /dev/null
+<?php
+
+namespace Drupal\Core\Action\Plugin\Action\Derivative;
+
+use Drupal\Core\Entity\EntityChangedInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+
+/**
+ * Provides an action deriver that finds entity types of EntityChangedInterface.
+ *
+ * @see \Drupal\Core\Action\Plugin\Action\SaveAction
+ */
+class EntityChangedActionDeriver extends EntityActionDeriverBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function isApplicable(EntityTypeInterface $entity_type) {
+ return $entity_type->entityClassImplements(EntityChangedInterface::class);
+ }
+
+}