Qustion: `Class` returned by `objc.createClass` is not proxied, is this expected?

[chirsz-ever]

I write a gist to use Deno to show a Cocoa window: https://gist.github.com/chirsz-ever/8ceef4117490e45196cc7a9e5eea38a0

Here I find AppDelClass.alloc().init() does not work. Is this expected?