anchor.diff:  System.Globalization.Extensions,n,n
   System.IO,n,n
   System.IO.Compression,n,n
  +System.IO.Compression.clrcompression-x64,n,n
  +System.IO.Compression.clrcompression-x86,n,n
   System.IO.Compression.ZipFile,n,n
   System.IO.FileSystem,n,n
   System.IO.FileSystem.AccessControl,n,n
   System.IO.FileSystem.DriveInfo,n,n
   System.IO.FileSystem.Primitives,n,n
   System.IO.FileSystem.Watcher,n,n
  +System.IO.IsolatedStorage,n,n
   System.IO.MemoryMappedFiles,n,n
   System.IO.Pipes,n,n
   System.IO.UnmanagedMemoryStream,n,n
  
positive.code: System.Net.WebHeaderCollection,n,n
  System.Net.WebSockets,n,n
  System.Net.WebSockets.Client,n,n
  System.ObjectModel,n,n
  System.Reflection,n,n
  System.Reflection.DispatchProxy,n,n
  System.Reflection.Emit,n,n
  System.Reflection.Emit.ILGeneration,n,n
  
negative.code: System.Linq.Parallel,n,n
  System.Linq.Queryable,n,n
  System.Net.Http,n,n
  System.Net.Http.Rtc,n,n
  System.Net.Http.WinHttpHandler,n,n
  System.Net.NameResolution,n,n
  System.Net.NetworkInformation,n,n
  