struct Outer {
    private struct Inner {
        private struct InnerPrivateType {
            
        }
        // the declaration of innerProperty has an access level
        // greater than its type which should not be allowed
        var innerProperty = InnerPrivateType()
    }
    // outerProperty is of type Outer.Inner.InnerPrivateType
    // which is obviously outside the scope of Inner
    // and also should not be allowed
    private var outerProperty = Inner().innerProperty
}