code: private static AnnotationTransformer<AuditEvent> getDefaultAnnotationTransformer() {
  		DefaultAnnotationTransformer defaultAnnotationTransformer = new DefaultAnnotationTransformer();
  		ObjectSerializerCommand serializerCommand = (ObjectSerializerCommand) PreConfigurationContext
  				.getCommandByName("-objectSerializer");
  		if (serializerCommand.getSerializer() == null) {
  			defaultAnnotationTransformer.setSerializer(new ObjectToFieldsSerializer());
  		} else {
  			defaultAnnotationTransformer.setSerializer(serializerCommand.getSerializer());
  		}
  
  		return defaultAnnotationTransformer;
  	}
docs: Initializes and returns the default annotation transformer.
  
  @return default annotation transformer