main
update headers
Merge remote-tracking branch 'dotnet/master' into UsedAssemblies_13
Update code to use GetFirstLocation() instead of Locations[0] or Locations.First() (#80709)
Remove unused private members (#61064)
Merge remote-tracking branch 'dotnet/master' into merges/master-to-features/UsedAssemblyReferences
Pass CancellationToken in compilers layer