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<@U2H3SABQF> Sorry, but I was incorrect. This works for me. The type of `cb` is indeed `Any`, but I can still access `framebufferSize`. This is in a JVM module (`apply plugin: 'kotlin'`) of a multi-platform project using Kotlin 1.2.10:
```
val cb = object {
    val framebufferSize = 1
}
println(cb.framebufferSize)
```

can you access `cb.framebufferSize` in a custom setter?

Do you mean in `operator fun set(...)`? No, and that makes sense. You cannot access a variable in its initializer. This applies to both `cb` and `framebufferSize`

`Note that anonymous objects can be used as types only in local and private declarations. If you use an anonymous object as a return type of a public function or the type of a public property, the actual type of that function or property will be the declared supertype of the anonymous object, or Any if you didn't declare any supertype. Members added in the anonymous object will not be accessible.`

from <https://kotlinlang.org/docs/reference/object-declarations.html>