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We will move other methods into `hunkHelpers` at a later stage. Change-Id: Id37a0bddb81cc47af55baa2896dc5716ccacf3e1 Reviewed-on: https://dart-review.googlesource.com/c/83220 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Stephen Adams <sra@google.com>