Luckily we don't need to deal with this mess since all our
implementations work similarly wrt streams and “wide” characters.
Change-Id: I3ccc606a59c42791f2591d752673c867d848a332
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3485
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>