3b27f54e00
It was implemented in https://dart-review.googlesource.com/c/sdk/+/343020 Change-Id: I198ff6cdc2adbaf5784e97ca40056c392ab280f9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/343042 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>