anchor.diff:          // Each IMetadaReference maps to an assembly
           let compilerArgs, tempFiles =
               let refs, tempFiles =
  -                projectExport.MetadataReferences
  +                incomingReferences
                   |> List.ofSeq
                   |> List.map convertRef
                   |> List.unzip
  
positive.code: 
  open Helpers
  
  type internal FSharpProjectReference(project: Project, targetFramework: FrameworkName, configuration: string, projectExport: ILibraryExport, watcher: IFileWatcher) =
      
      let param name value = sprintf "--%s:%s" name value
  
  
negative.code: 
      interface IProjectReferenceProvider with
  
          member x.GetProjectReference (project, targetFramework, configuration, incomingReferences, incomingSourceReferences, outgoingReferences) =
              new FSharpProjectReference (project, targetFramework, configuration, incomingReferences, watcher) :> IMetadataProjectReference