Compiler layer of the .NET Compiler Platform ("Roslyn"). Install this package to get both C# and Visual Basic support. If you want just support for one language, install Microsoft.CodeAnalysis.CSharp or Microsoft.CodeAnalysis.VisualBasic. More details at https://aka.ms/roslyn-packages This package was built from the source at https://github.com/dotnet/roslyn/commit/16f9bd284cd49604ac82998bfe778a8eb16d4347.