code: protected function registerBehaviors(EventManager $evm, Configuration $config)
  	{
  		$reader = new AnnotationReader;
  
  		if ($cache = $config->getMetadataCacheImpl())
  		{
  			$reader = new CachedReader($reader, $cache);
  		}
  
  		foreach ($this->getConfig('behaviors', array()) as $behavior)
  		{
  			if ($class = DiC::resolve('doctrine.behavior.'.$behavior))
  			{
  				$class->setAnnotationReader($reader);
  
  				$this->configureBehavior($behavior, $class);
  
  				$evm->addEventSubscriber($class);
  			}
  		}
  
  		if ($mapping = $config->getMetadataDriverImpl())
  		{
  			$type = 'registerMappingIntoDriverChainORM';
  
  			if ($this->getConfig('behavior.superclass', false))
  			{
  				$type = 'registerAbstractMappingIntoDriverChainORM';
  			}
  
  			DoctrineExtensions::$type(
  				$mapping,
  				$reader
  			);
  		}
  	}
docs: Registers subscribers to Event Manager
  
  @param EventManager $evm