assertEquals(4, result);

        // Access private field to verify length was set
        Field lengthField = response.getClass().getSuperclass().getSuperclass().getSuperclass().getDeclaredField("length");
        lengthField.setAccessible(true);
        int actualLength = (int) lengthField.get(response);

        assertEquals(expectedLength, actualLength);
    }

            unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("waitersField"));
        LISTENERS_OFFSET =
            unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("listenersField"));
        VALUE_OFFSET = unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("valueField"));
        WAITER_THREAD_OFFSET = unsafe.objectFieldOffset(Waiter.class.getDeclaredField("thread"));

    private void setByteCount(SmbComNegotiateResponse response, int byteCount) {
        try {
            Field field = response.getClass().getSuperclass().getDeclaredField("byteCount");
            field.setAccessible(true);
            field.set(response, byteCount);
        } catch (Exception e) {
            throw new RuntimeException("Failed to set byteCount field", e);
        }

    private static Object getPrivateField(Object target, String fieldName) throws Exception {
        Class<?> clazz = target.getClass();
        while (clazz != null) {
            try {
                Field f = clazz.getDeclaredField(fieldName);
                f.setAccessible(true);
                return f.get(target);
            } catch (NoSuchFieldException e) {
                clazz = clazz.getSuperclass();
            }
        }

            unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("waitersField"));
        LISTENERS_OFFSET =
            unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("listenersField"));
        VALUE_OFFSET = unsafe.objectFieldOffset(abstractFutureState.getDeclaredField("valueField"));
        WAITER_THREAD_OFFSET = unsafe.objectFieldOffset(Waiter.class.getDeclaredField("thread"));

        Field field = response.getClass().getDeclaredField("converter");
        field.setAccessible(true);
        return field.getInt(response);
    }

    private void setConverter(NetServerEnum2Response response, int value) throws Exception {
        Field field = response.getClass().getDeclaredField("converter");
        field.setAccessible(true);
        field.setInt(response, value);

            // Verify fields preserved (via reflection since they are protected)
            var wildcardField = DosFileFilter.class.getDeclaredField("wildcard");
            wildcardField.setAccessible(true);
            var attributesField = DosFileFilter.class.getDeclaredField("attributes");
            attributesField.setAccessible(true);

            assertEquals("abc", wildcardField.get(unwrapped));

        final FieldDesc hoge = beanDesc.getFieldDesc("HOGE");
        assertThat(hoge.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(hoge.getField(), is(MyBean.class.getDeclaredField("HOGE")));
        assertThat(hoge.getFieldName(), is("HOGE"));
        assertThat(hoge.getFieldType(), is(sameClass(String.class)));
        assertThat(hoge.isPublic(), is(true));

     */
    private static Object getNextOf(Object req) throws Exception {
        Class<?> cls = req.getClass().getSuperclass(); // ServerMessageBlock2Request
        Field f = cls.getSuperclass().getDeclaredField("next"); // ServerMessageBlock2.next
        f.setAccessible(true);
        return f.get(req);
    }

    /**
     * Reflectively set the private 'results' field on Smb2QueryDirectoryResponse.
     */

        // Reset the static factory field
        Field factoryField = Handler.class.getDeclaredField("factory");
        factoryField.setAccessible(true);
        factoryField.set(null, null);

        // Clear the protocol handlers cache
        Field handlersField = Handler.class.getDeclaredField("PROTOCOL_HANDLERS");
        handlersField.setAccessible(true);
        @SuppressWarnings("unchecked")