anchor.diff:          references |> Seq.fold addFrameworkAssemblyReference (installModel:InstallModel)
   
   
  -    let filterExcludes (excludes:string list) (installModel:InstallModel) =
  +    let filterExcludes (excludes:string list) (installModel:InstallModel) =    
           let excluded (e: string) (pathOrName:string) =
               pathOrName.Contains e
   
  
positive.code:                     installModel.RuntimeAssemblyFolders
                      |> List.map applyRestriction
                      |> List.filter (fun folder -> not folder.Targets.IsEmpty)
              }
              
      let getRootFiles (targetsFiles:UnparsedPackageFile list) =
  
negative.code:           RootContents = f folder.RootContents
            FrameworkFolders = folder.FrameworkFolders
                               |> List.map (FrameworkFolder.map f) }
      let mapFrameworkFolders f (folder: TargetsFolder<'a>) : TargetsFolder<'a> =
          { Name = folder.Name
            RootContents = folder.RootContents
            FrameworkFolders = folder.FrameworkFolders |> List.map f }
          
  type AnalyzerLanguage =
      | Any | CSharp | FSharp | VisualBasic
  
  