Danny Tuppeny
e099a00ee2
This is not currently used for errors but just adds constants to allow clients to write code to handle these kinds of errors so we can use them in future (instead of generic error codes with string messages). DAP is also updated ready to handle this error code. See https://github.com/flutter/flutter/issues/153471 Change-Id: I6ad030d0317e9a70d9e28578787edec75554daad Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/381501 Reviewed-by: Derek Xu <derekx@google.com> Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>