"/opt/Folders/Rottytooth.Esolang.Folders.sln" (default target) (1) ->
"/opt/Folders/Rottytooth.Esolang.Folders.SamplePrograms/Rottytooth.Esolang.Folders.SamplePrograms.csproj" (default target) (4) ->
(CoreCompile target) ->
Program.cs(6,17): error CS0234: The type or namespace name 'VisualStudio' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [/opt/Folders/Rottytooth.Esolang.Folders.SamplePrograms/Rottytooth.Esolang.Folders.SamplePrograms.csproj]
Program.cs(11,6): error CS0246: The type or namespace name 'TestClassAttribute' could not be found (are …