1154efb073
A JSON value can be `null`, so the return type must be `Object?`, not `Object`. Fixes #46205. Bug: http://dartbug.com/462051 Change-Id: I9a5522e09765457dcf8cd2639abbe385d97a3186 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/202623 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>