}

    public static void assertCanGetProperties (ExtensibleDynamicObjectTest.Bean bean) {
        bean.readWriteProperty = 'value'
        assertEquals(bean.readWriteProperty, 'value')

        bean.doSetReadOnlyProperty('value')
        assertEquals(bean.readOnlyProperty, 'value')

        bean.defineProperty('additional', 'value')
        assertEquals(bean.additional, 'value')
    }