47a52fc5de
In anticipation of lints v 2.0. See: https://dart-review.googlesource.com/c/sdk/+/237746 Change-Id: I42bcdfa43d4707324622b498c57dde6e2fe1f13b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237762 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Phil Quitslund <pquitslund@google.com>