private function setUpClass($class, array $extends)
{
$class = new Clazz($class);
if (isset($extends[$class->getName()])) {
$parentClass = $this->setUpClass($extends[$class->getName()], $extends);
$class->setSuperClasses(array_merge(array($parentClass->getName()), $parentClass->getSuperClasses()));
$class->setSuperClass($parentClass->getName());
}
$class->setNormalized(true);
$this->registry->registerClass($class);
return $class;
}
