public static function getDatabaseConfigurationHelper($databaseClass)
    {
        $adapters = static::get_adapters();
        if (empty($adapters[$databaseClass]) || empty($adapters[$databaseClass]['helperClass'])) {
            return null;
        }

        // Load if path given
        if (isset($adapters[$databaseClass]['helperPath'])) {
            include_once $adapters[$databaseClass]['helperPath'];
        }

        // Construct
        $class = $adapters[$databaseClass]['helperClass'];
        return (class_exists($class)) ? new $class() : null;
    }