PetSerAl

Consider situation like that https://github.com/StephenCleary/Comparers/blob/3481de7d0a9633600599fc40be7e1af622217480/src/Nito.Comparers.Core/ComparerBuilder.cs#L23-L25 where parameter used just for type inference. But I want to be less wasteful and use just `T` instead of `Func` on definition and `true...

Given that [releases](https://github.com/dotnet/command-line-api/releases) reference to tags (no branches) you should look content of [v2.0.0 tag](https://github.com/dotnet/command-line-api/blob/v2.0.0/src/System.CommandLine/InvocationConfiguration.cs#L21) instead.