+<?php
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Converter\Functions;
+
+use Drupal\drupalmoduleupgrader\TargetInterface;
+use Pharborist\Functions\FunctionCallNode;
+use Pharborist\Objects\ObjectMethodCallNode;
+
+/**
+ * @Converter(
+ * id = "field_update_instance",
+ * description = @Translation("Rewrites calls to field_update_instance().")
+ * )
+ */
+class FieldUpdateInstance extends FunctionCallModifier {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function rewrite(FunctionCallNode $call, TargetInterface $target) {
+ return ObjectMethodCallNode::create(clone $call->getArgumentList()->getItem(0), 'save');
+ }
+
+}