cfac26e184
In analyzer version 0.36.0, its return type will be changed to `Precedence`. Clients that wish to prepare for the change can switch to `Expression.precedence2`. Change-Id: I9c82fba557c5e3870c498afdb0bb5de22ba38240 Reviewed-on: https://dart-review.googlesource.com/c/94353 Auto-Submit: Paul Berry <paulberry@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>