writeClasses example

if (!is_file($path)) {
            // Generate the class if the file not exists             $this->classes[] = $rootClass;
            $this->buildNode($rootNode, $rootClass, $this->getSubNamespace($rootClass));
            $rootClass->addImplements(ConfigBuilderInterface::class);
            $rootClass->addMethod('getExtensionAlias', ' public function NAME(): string { return \'ALIAS\'; }', ['ALIAS' => $rootNode->getPath()]);

            $this->writeClasses();
        }

        return function D) use ($path, $rootClass) {
            require_once $path;
            $className = $rootClass->getFqcn();

            return new $className();
        };
    }

    private function getFullPath(ClassBuilder $class): string
    {