protected function filterVoltPath($configVolt)
    {
        foreach ($configVolt as $moduleName => $config) {
            $path = false;
            if (isset($config['path'])) {
                unset($configVolt[$moduleName]['path']);
                $path = realpath($config['path']);
            }
            if ($path) {
                $configVolt[$moduleName]['path'] = $path;
            }
        }
        return $configVolt;
    }