a373aa7ce1
I.e. print types with nullabilities, and use 'none' types in tests. R=brianwilkerson@google.com Change-Id: Ia53885ebe7077b0de12e01ac5171711ca8b57e46 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142086 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>