doctrine/mongodb-odm — comment on commit e0bfdb34318d9ecb3f6aaba2dc7fde9ef31b30fe
File: lib/Doctrine/ODM/MongoDB/Proxy/ProxyFactory.php line 24
By leek:

What is the correct branch/tag to use for this repository to be compatible with 2.0.x? `ClassUtils` doesn't exist in Doctrine Common 2.1.4.