if (logger.isDebugEnabled()) {
            logger.debug("  (s) " + fieldName + " = " + toString(value));
        }
    }

    public void notifyFieldChangeUsingReflection(String fieldName, Object value, Object target) {
        if (logger.isDebugEnabled()) {
            logger.debug("  (f) " + fieldName + " = " + toString(value));
        }
    }

    /**