anchor.diff:              verbosefn "  %d packages in resolution. %d requirements left" currentStep.CurrentResolution.Count currentStep.OpenRequirements.Count
           
               let currentRequirement = getCurrentRequirement currentStep.OpenRequirements
  +            let getVersionsF = getVersionsF currentRequirement.Sources ResolverStrategy.Max groupName
               let conflicts = getConflicts(currentStep,currentRequirement)
               if conflicts |> Set.isEmpty |> not then 
  -                Resolution.Conflict(currentStep,conflicts,Seq.head conflicts,getVersionsF currentRequirement.Sources ResolverStrategy.Max groupName) 
  +                Resolution.Conflict(currentStep,conflicts,Seq.head conflicts,getVersionsF) 
               else
                   let availableVersions,compatibleVersions,globalOverride = getCompatibleVersions(currentStep.Relax,currentStep.FilteredVersions,currentStep.OpenRequirements,currentRequirement)
   
  -                let conflictStatus = Resolution.Conflict(currentStep,Set.empty,currentRequirement,getVersionsF currentRequirement.Sources ResolverStrategy.Max groupName)
  +                let conflictStatus = Resolution.Conflict(currentStep,Set.empty,currentRequirement,getVersionsF)
                   if Seq.isEmpty compatibleVersions then
                       boostConflicts (currentStep.FilteredVersions,currentRequirement,conflictStatus) 
   
  
positive.code:                 "  Please try to relax some conditions."
              |> failwithf "%s"
  
  let calcOpenRequirements (exploredPackage:ResolvedPackage,globalFrameworkRestrictions,(versionToExplore,_),dependency,resolverStep:ResolverStep) =
      let dependenciesByName =
          // there are packages which define multiple dependencies to the same package
  
negative.code:                                         forceBreak := true
                                  | _ -> ()                            
  
                      if not !useUnlisted && !hasUnlisted && not (!state).IsDone then
                          useUnlisted := true
                      else
                          ready := true
  