code: private boolean detectUpdatability() {
  
  		for (Class<? extends Annotation> annotationType : UPDATEABLE_ANNOTATIONS) {
  
  			Annotation annotation = findAnnotation(annotationType);
  
  			if (annotation == null) {
  				continue;
  			}
  
  			return (boolean) AnnotationUtils.getValue(annotation, "updatable");
  		}
  
  		return true;
  	}
docs: Checks whether {@code updatable} attribute of any of the
  {@link #UPDATEABLE_ANNOTATIONS} is configured to {@literal true}.
  @return