527d982861
- Removes the usage of Apache StringUtils (#39377) - Remove now unnecessary guava Lists import - Use instanceof pattern matching instead of casting - Properly mark overridden toJson method as overriden - Resolve TODO in generator code Fixes https://github.com/dart-lang/sdk/issues/39377 Change-Id: I9d1d41af89e37042fd999d2786a2c145a907eb3e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/390629 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Auto-Submit: Parker Lougheed <parlough@gmail.com> Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>