public function createFromFqn(string $fqn, $srcOrTestSubFolder = CreatorInterface::SRC_FOLDER): File
    {
        list($className, , $subDirectories) = $this->namespaceHelper->parseFullyQualifiedName(
            $fqn,
            $srcOrTestSubFolder,
            $this->projectRootNamespace
        );
        $path = $this->projectRootDirectory
                . '/' . implode('/', $subDirectories) . '/' . $className . '.php';

        return new File($path);
    }