class AbstractDoctrineExtension extends Extension 
 This abstract classes groups common code that Doctrine Object Manager extensions (ORM, MongoDB, CouchDB) need. 
Methods
 string   getXsdValidationBasePath() Returns the base path for the XSD files.  from Extension  string   getNamespace() Returns the namespace to be used for this extension (XML namespace).  from Extension  string   getAlias() Returns the recommended alias to use in XML.  from Extension  ConfigurationInterface|null   getConfig