Expanded class hierarchy of OnClearEventArgs

class \Doctrine\Common\EventArgs
- class \Doctrine\Common\Persistence\Event\LifecycleEventArgs
- class \Doctrine\Common\Persistence\Event\LoadClassMetadataEventArgs
- class \Doctrine\Common\Persistence\Event\ManagerEventArgs
- class \Doctrine\Common\Persistence\Event\OnClearEventArgs