tree 68f9fc0665b0f957306eb362220cccbbeafd7168
parent dfcf1e8a7998cc349304a5de770e6a2e45a21fbb
author Paul Berry <paulberry@google.com> 1660757524 +0000
committer Commit Bot <commit-bot@chromium.org> 1660757524 +0000

Migration: fix types of DecoratedType.{positional,named}Parameters

These fields can be `null`, but if they aren't, then the
`DecoratedType`s they contain cannot be `null`.

Change-Id: I9f07d06017ff9814e531f3517b4f452766dc0ebf
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/255341
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>