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diff --git a/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Fixer/FormCallbackToMethod.php b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Fixer/FormCallbackToMethod.php
new file mode 100644
index 000000000..a19c2a127
--- /dev/null
+++ b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Fixer/FormCallbackToMethod.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\drupalmoduleupgrader\Plugin\DMU\Fixer\FormCallbackToMethod.
+ */
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Fixer;
+
+use Drupal\drupalmoduleupgrader\FixerBase;
+
+/**
+ * @Fixer(
+ *  id = "form_callback_to_method"
+ * )
+ */
+class FormCallbackToMethod extends FixerBase {
+
+  public function execute() {
+    /** @var \Pharborist\Functions\FunctionDeclarationNode $callback */
+    $callback = $this
+      ->target
+      ->getIndexer('function')
+      ->get($this->configuration['callback']);
+
+    list ($class, $method_name) = explode('::', $this->configuration['destination']);
+    /** @var \Pharborist\Objects\ClassNode $class */
+    $class = $this
+      ->target
+      ->getIndexer('class')
+      ->get($class);
+
+    $method = $callback->cloneAsMethodOf($class)->setName($method_name);
+
+    $form_interface = new \ReflectionClass('\Drupal\Core\Form\FormInterface');
+    if ($form_interface->hasMethod($method_name)) {
+      $method->matchReflector($form_interface->getMethod($method_name));
+    }
+
+    $this->target->save($method);
+  }
+
+}