--- /dev/null
+<?php
+
+namespace Drupal\Core\Plugin;
+
+use Drupal\Component\Plugin\PluginBase as ComponentPluginBase;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+
+/**
+ * Base class for plugins supporting metadata inspection and translation.
+ *
+ * @ingroup plugin_api
+ */
+abstract class PluginBase extends ComponentPluginBase {
+ use StringTranslationTrait;
+ use DependencySerializationTrait;
+
+}