public function getEnabledDrivers()
    {
        $drivers = $this->getDriversFromStorage();
        $enabled = new Collection();

        foreach ($this->getAvailableDrivers() as $driver) {
            $name = $driver->getName();

            if (isset($drivers[$name])) {
                $enabled->put($name, $driver);
            }
        }

        return $enabled;
    }