Skip analysis if only scanning files.

Author: ianef

src/Rules/UnusedClassRule.php

@@ -34,6 +34,10 @@ public function processNode(Node $node, Scope $scope): array
             throw InvalidNodeTypeException::create($node, CollectedDataNode::class);
         }
 
+        if ($node->isOnlyFilesAnalysis()) {
+            return [];
+        }
+
         $classDeclarationData = $node->get(DeclareClassCollector::class);
         $groupUses = $node->get(ClassGroupUseCollector::class);
         $normalUses = $node->get(ClassUseCollector::class);

src/Rules/UnusedTraitRule.php

@@ -33,6 +33,10 @@ public function processNode(Node $node, Scope $scope): array
             throw InvalidNodeTypeException::create($node, CollectedDataNode::class);
         }
 
+        if ($node->isOnlyFilesAnalysis()) {
+            return [];
+        }
+
         $traitDeclarationData = $node->get(TraitDeclarationCollector::class);
         $traitUses = $node->get(TraitUseCollector::class);