--- /dev/null
+<?php
+
+namespace Drupal\migrate_plus;
+
+use Drupal\Core\Plugin\PluginBase;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a base authentication implementation.
+ *
+ * @see \Drupal\migrate_plus\Annotation\Authentication
+ * @see \Drupal\migrate_plus\AuthenticationPluginInterface
+ * @see \Drupal\migrate_plus\AuthenticationPluginManager
+ * @see plugin_api
+ */
+abstract class AuthenticationPluginBase extends PluginBase implements AuthenticationPluginInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static($configuration, $plugin_id, $plugin_definition);
+ }
+
+}