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Refactoring of extension methods in source packages (#78620) - take 2 (#78894)
Implement compiler support for System.Runtime.InteropServices.ExtendedLayoutAttribute (#78741)
Extensions: Add ReduceExtensionMember API (#80659)
Skip tests affected by https://github.com/dotnet/runtime/issues/117566.
PropertySymbol.IsReadOnly/IsWriteOnly: use helpers that compiler uses itself to check for existence of a setter/getter (#82390)
Remove last custom ref test assemblies (#74880)
Warn for multiple blank lines in source (#65451)
Add MethodImplementationFlags to IMethodSymbol (#50560)
Remove Microsoft.CodeAnalysis.Test.Extensions namespace (#50051)
Adjust public API based on API review feedback (#71940)
Move net451 test assets to net461 (#74766)
Enable declaration, implementation(in non-interfaces) and consumption of virtual static members. (#60965)
update headers
Set IsClosedTypeAttribute.DerivedTypes (#84350)