aa5f130ce8
This reduce's linter's exposure of private analyzer API, which will help with making LintRule public API. Change-Id: I5af1961cf6e7e6c8554962d055a2f311256e3895 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/428901 Reviewed-by: Keerti Parthasarathy <keertip@google.com> Commit-Queue: Samuel Rawlins <srawlins@google.com>