f4b273e782
This allows a client to trigger initial validation of a refactor before prompting the user for options. Change-Id: I22fec7996c0c86a5245ccb0c41d23964bdb6f967 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237141 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>