add note: ensure future not forget about it

Author: samsonasik

rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/ClassLikeNameClassNameImportSkipVoter.php

@@ -35,6 +35,12 @@ public function shouldSkip(File $file, FullyQualifiedObjectType $fullyQualifiedO
             return false;
         }
 
+        /**
+         * Note: Don't use ScopeFetcher::fetch() on Name instance,
+         * Scope can be null on Name
+         * This is part of ScopeAnalyzer::NON_REFRESHABLE_NODES
+         * @see https://github.com/rectorphp/rector-src/blob/9929af7c0179929b4fde6915cb7a06c3141dde6c/src/NodeAnalyzer/ScopeAnalyzer.php#L17
+         */
         $scope = $node->getAttribute(AttributeKey::SCOPE);
         $namespace = $scope instanceof Scope ? $scope->getNamespace() : null;
         $namespace = strtolower((string) $namespace);