public function loadBundles()
{
$bundles = [];
if (is_file($cache = $this->kernel->getCacheDir() . '/' . self::CACHE_FILENAME)) {
$bundleClasses = (require $cache);
} else {
$bundleClasses = $this->getManagedBundleClasses();
}
foreach ($bundleClasses as $bundleClass) {
$bundles[] = new $bundleClass();
}
return $bundles;
}