> You know it returns an array, but you don't know what the array contains. So you don't know how to use it.
That's a limitation of your specific example, not type systems in general.
That's a limitation of your specific example, not type systems in general.
https://github.com/symfony/http-client/blob/master/HttpClien...
You are free to link to some other example.
Regardless, I still think the type hints in Symfony's version are better than nothing. It's also worth noting that `private static` is concerned with scope, not types.