+ public function alterFieldInstanceMigration(MigrationInterface $migration) {
+ // Nothing to do by default with field instances.
+ }
+
+ /**
+ * Alter field widget migration.
+ *
+ * @deprecated in Drupal 8.6.0, to be removed before Drupal 9.0.0. Use
+ * alterFieldWidgetMigration() instead.
+ *
+ * @see https://www.drupal.org/node/2944598
+ * @see ::alterFieldWidgetMigration()
+ */