protected T get() {
            return instance;
        }

        protected void destroy() {
            final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(instance.getClass());
            for (final String methodName : beanDesc.getMethodNames()) {
                final MethodDesc methodDesc = beanDesc.getMethodDescNoException(methodName);
                if (methodDesc != null) {

        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(target.getClass());
        final PropertyDesc sessionIdProp = beanDesc.getPropertyDesc(URL);
        final Object sessionId = sessionIdProp.getValue(target);
        return sessionId == null ? null : sessionId.toString();
    }

    private String getSessionId(final Object target) {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(target.getClass());