3af9430ebf
They were intersecting at ElementImpl and Member(s). This will unblock updating implementations to make them nullable. Change-Id: Ic9907eaa0ef08c096839f212668fa1e3d92bbf3d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/391540 Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>