756dbcde19
The concrete implementation is named `NominalTypeParameter`. The change is needed as a transition step to the new encoding for variables in Kernel. This change is similar to https://dart-review.googlesource.com/c/sdk/+/456620 Part of https://github.com/dart-lang/sdk/issues/61572 Change-Id: I9e4107b50a0790008d65a5ee94a4ff06a1b48052 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/458520 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>