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diff --git a/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DBDeriver.php b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DBDeriver.php
new file mode 100644
index 000000000..03401cdb0
--- /dev/null
+++ b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DBDeriver.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Analyzer;
+
+use Drupal\drupalmoduleupgrader\DeriverBase;
+
+/**
+ * Builds derivative definitions for the _db plugin.
+ */
+class DBDeriver extends DeriverBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinitions($base_definition) {
+    $derivatives = [];
+
+    $functions = [
+      'db_select', 'db_insert', 'db_update', 'db_merge', 'db_truncate',
+    ];
+
+    foreach ($functions as $function) {
+      $derivative = $base_definition;
+
+      $derivative['function'] = $function;
+      $derivative['description'] = $this->t('Checks for calls to @function() that refer to legacy tables.', [
+        '@function' => $function,
+      ]);
+
+      $derivatives[$function] = $derivative;
+    }
+
+    return $derivatives;
+  }
+
+}