code: public static void registerOgmExternalizers(SerializationConfigurationBuilder cfg) {
  		for ( AdvancedExternalizer<?> advancedExternalizer : ogmExternalizers.values() ) {
  			cfg.addAdvancedExternalizer( advancedExternalizer );
  		}
  	}
docs: Registers all custom Externalizer implementations that Hibernate OGM needs into an Infinispan CacheManager
  configuration.
  
  @see ExternalizerIds
  @param cfg the Serialization section of a GlobalConfiguration builder