`restricted` member variables

[Dennis]

On Wednesday, 22 June 2022 at 08:01:12 UTC, forkit wrote:
> Additionally, since its a volunteer commmunity, people will 
> choose what they want to work on - so someone would actually 
> have to 'volunteer' to implement it. I doubt that would be 
> Walter, and in any case, he certainly has enough on his 
> plate... for the forseeble future.....

Here you go: https://github.com/dlang/dmd/pull/14238