// "Implement interface" "true"
// SHOULD_BE_AVAILABLE_AFTER_EXECUTION
// WITH_RUNTIME

class Container {
    private interface Base {
        var z: Double
    }

    class BaseImpl : Base {
        override var z: Double
            get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
            set(value) {}
    }
}