a917cae88c
Adding static methods/getters/setters to class/mixin/extension, instance getters/setters/operators to mixin/extension, new-syntax type alias. Change-Id: I4e3f168d8db9c5f168b138c847bccf948c05c567 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/168080 Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Erik Ernst <eernst@google.com>