Interesting to see what they do have and what they don&#x27;t have: <a href="https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift-corelibs-foundation&#x2F;blob&#x2F;master&#x2F;Docs&#x2F;Status.md" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift-corelibs-foundation&#x2F;blob&#x2F;mast...</a>