anchor.diff:              try
                   match source with
                   | NuGetV2 nugetSource ->
  -                    return! tryV2 source nugetSource
  +                    return! tryV2 source nugetSource force
                   | NuGetV3 nugetSource when urlSimilarToTfsOrVsts nugetSource.Url  ->
                       match NuGetV3.calculateNuGet2Path nugetSource.Url with
                       | Some url ->
                           let nugetSource : NugetSource =
                               { Url = url
                                 Authentication = nugetSource.Authentication }
  -                        return! tryV2 source nugetSource
  +                        return! tryV2 source nugetSource force
                       | _ ->
  -                        return! tryV3 source nugetSource
  +                        return! tryV3 source nugetSource force
                   | NuGetV3 nugetSource ->
                       try
  -                        return! tryV3 source nugetSource
  +                        return! tryV3 source nugetSource force
                       with
                       | exn ->
                           match NuGetV3.calculateNuGet2Path nugetSource.Url with
  
positive.code:                             let nugetSource : NugetSource =
                                  { Url = url
                                    Authentication = nugetSource.Authentication }
                              return! tryV2 source nugetSource
                          | _ ->
                              raise exn
                              return! tryV3 source nugetSource
  
                  | LocalNuGet(path,Some _) ->
                      let! result = getDetailsFromLocalNuGetPackage true alternativeProjectRoot root path packageName version
  
negative.code: 
  let rec private getPackageDetails alternativeProjectRoot root force (sources:PackageSource list) packageName (version:SemVerInfo) : PackageResolver.PackageDetails =
  
      let tryV2 source (nugetSource:NugetSource) force = async {
          let! result =
              getDetailsFromNuGet
                  force
  