private final DynamicObject extraPropertiesDynamicObject;

    public ExtensibleDynamicObject(Object delegate, Class<?> publicType, InstanceGenerator instanceGenerator) {
        this(delegate, createDynamicObject(delegate, publicType), new DefaultConvention(instanceGenerator));
    }

    public ExtensibleDynamicObject(Object delegate, AbstractDynamicObject dynamicDelegate, InstanceGenerator instanceGenerator) {