}
        // Ignore irrelevant synthetic metaClass field injected by the Groovy compiler
        if (instanceFields.size() == 1 && isSyntheticMetaClassField(instanceFields.get(0))) {
            return false;
        }
        return true;
    }

    private boolean isSyntheticMetaClassField(Field field) {
        return field.isSynthetic() && field.getType() == MetaClass.class;
    }