For my previous job some stuff is public, and I can see it's still being used as it gets commits. I left about five and a half years ago. For the non-public stu

For my previous job some stuff is public, and I can see it's still being used as it gets commits. I left about five and a half years ago. For the non-public stuff I wrote a lot of the foundational code, and I'd be surprised if all of that that been replaced.