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diff --git a/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DB.php b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DB.php
new file mode 100644
index 000000000..349be4629
--- /dev/null
+++ b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Analyzer/DB.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Analyzer;
+
+use Drupal\drupalmoduleupgrader\AnalyzerBase;
+use Drupal\drupalmoduleupgrader\TargetInterface;
+use Pharborist\Functions\FunctionCallNode;
+use Pharborist\Types\StringNode;
+
+/**
+ * @Analyzer(
+ *  id = "_db",
+ *  message = @Translation("Certain database tables have been removed."),
+ *  tags = {
+ *    "category" = { "db" }
+    },
+ *  deriver = "\Drupal\drupalmoduleupgrader\Plugin\DMU\Analyzer\DBDeriver"
+ * )
+ */
+class DB extends AnalyzerBase {
+
+  /**
+   * Tables which will cause the function call to be commented out.
+   *
+   * @var string[]
+   */
+  protected static $forbiddenTables = ['variable'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function analyze(TargetInterface $target) {
+    $function_calls = $target
+      ->getIndexer('function_call')
+      ->get($this->pluginDefinition['function'] ?: $this->getPluginId())
+      ->filter(function(FunctionCallNode $function_call) {
+        $arguments = $function_call->getArguments();
+        return $arguments[0] instanceof StringNode && in_array($arguments[0]->toValue(), self::$forbiddenTables);
+      });
+
+    $issues = [];
+    if ($function_calls->count() > 0) {
+      $issue = $this->buildIssue($target);
+      $function_calls->each(function(FunctionCallNode $function_call) use ($issue) {
+        $issue->addViolation($function_call, $this);
+      });
+      $issues[] = $issue;
+    }
+
+    return $issues;
+  }
+
+}