public function createAppBuilderFromPersisted(IContainerBuilderPersister $persister, $contextName, $appRootPath)
    {
        $fileSystem       = new FileSystem();
        $appPath          = new AppPath($fileSystem, $appRootPath);
        $containerBuilder = $persister->loadContainerBuilder();

        return new AppBuilder($fileSystem, $appPath, $containerBuilder, $contextName);
    }