4d42e73295
On one hand this is less precise, OTOH this tells which feature and the language version it requires. Change-Id: I1d24a2d7cf2c7b7ca305d5bfc9f094fce0734bc4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210644 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>