anchor.diff:              failwith ".fsx or .fsscript should have been treated as implicit project"
           new ProjectSiteOfSingleFile(filename) :> IProjectSite
   
  -    static member GetReferencedProjectSites(projectSite:IProjectSite, serviceProvider:System.IServiceProvider) =
  -        referencedProvideProjectSites (projectSite, serviceProvider)
  -        |> Seq.map (fun (_, _, ps) -> ps.GetProjectSite())
  -        |> Seq.toArray
  -
       member art.SetSource_DEPRECATED(buffer:IVsTextLines, source:IFSharpSource_DEPRECATED) : unit =
           let mutable guid = sourceUserDataGuid
           (buffer :?> IVsUserData).SetData(&guid, source) |> ErrorHandler.ThrowOnFailure |> ignore
  
positive.code: open Microsoft.CodeAnalysis
  open Microsoft.VisualStudio.LanguageServices.Implementation.ProjectSystem
  open Microsoft.VisualStudio.LanguageServices.Implementation.TaskList
  
  /// An additional interface that an IProjectSite object can implement to indicate it has an FSharpProjectOptions 
  /// already available, so we don't have to recreate it
  
negative.code:     member art.FindOwningProject_DEPRECATED(rdt:IVsRunningDocumentTable, filename) = 
          match art.TryFindOwningProject_DEPRECATED(rdt, filename) with
          | Some site -> site
          | None -> ProjectSitesAndFiles.ProjectSiteOfSingleFile(filename)
  