It's not the best solution, but an analyzer like [0] covers most of the cases for reference types. For enums and struct DUs in general we'll have to wait for la

It's not the best solution, but an analyzer like [0] covers most of the cases for reference types. For enums and struct DUs in general we'll have to wait for language (or even runtime) support. [0] https://github.com/shuebner/ClosedTypeHierarchyDiagnosticSuppressor https://github.com/shuebner/ClosedTypeHierarchyDiagnosticSup...