comparison core/modules/migrate/src/Plugin/MigrationDeriverTrait.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer

         'plugin' => $source_plugin_id,
       ],
       'destination' => [
         'plugin' => 'null',
       ],
+      'idMap' => [
+        'plugin' => 'null',
+      ],
     ];
     return \Drupal::service('plugin.manager.migration')->createStubMigration($definition)->getSourcePlugin();
   }
 
 }