--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains Drupal\drupalmoduleupgrader\Annotation\Fixer.
+ */
+
+namespace Drupal\drupalmoduleupgrader\Annotation;
+
+use Drupal\Component\Annotation\Plugin;
+
+/**
+ * Defines a Plugin annotation object for DMU fixer plugins.
+ *
+ * Fixers are similar in nature to the fixer classes used by PHP_CodeSniffer,
+ * in the sense that their job is to perform particular, isolated changes
+ * to code. But DMU fixers are a lot more powerful than PHPCS's because a)
+ * they're Drupal plugins, and b) they're using Pharborist.
+ *
+ * Plugin Namespace: Plugin\DMU\Fixer
+ *
+ * @Annotation
+ */
+class Fixer extends Plugin {
+
+ /**
+ * The plugin ID.
+ *
+ * @var string
+ */
+ public $id;
+
+}