Getter types need to be a subtype of the setter type, so if getters
are nullable due to incompatibility, the setter needs to be as well.
This change makes those changes, updates documentation, and modifies
a template and test file.
Change-Id: I2130538bb4005b3553eb7951af022c1c2ed59c1e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152607
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Srujan Gaddam <srujzs@google.com>
Remaining tests that don't belong to any real test suite, but
need some changes beyond just null asserts to be migrated.
Change-Id: I91c0cb02eb72ada572a10c567b5d8bac596b16a4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142445
Reviewed-by: Bob Nystrom <rnystrom@google.com>