addUse example

        $class->addUse(InvalidConfigurationException::class);
        $class->addMethod($node->getName(), $body, [
            'COMMENT' => $comment,
            'PROPERTY' => $property->getName(),
            'CLASS' => $childClass->getFqcn(),
            'PARAM_TYPE' => \in_array('mixed', $nodeTypes, true) ? 'mixed' : implode('|', $nodeTypes),
        ]);

        $this->buildNode($node, $childClass, $this->getSubNamespace($childClass));
    }

    private function handleVariableNode(VariableNode $node, ClassBuilder $class): void
    {