anchor.diff:  open System.Threading
   open System.Diagnostics
   
  -let [<Literal>] UpdateDelay = 200us
  -let [<Literal>] MaxTooltipLines = 25
  +let [<Literal>] private UpdateDelay = 200us
  +let [<Literal>] private MaxTooltipLines = 25
   
   let visitBinding (b: SynBinding) =
       let r1 = b.RangeOfBindingSansRhs
  
positive.code:             UpdateDelay,
              doUpdate)
  
      do
          doUpdate ()
  
      interface ITagger<IOutliningRegionTag> with
  
          member __.GetTags nssc  = getTags nssc
  
          [<CLIEvent>]
          member __.TagsChanged : IEvent<_,_> = tagsChanged.Publish
  
negative.code:                         let ss = r |> Array.map (fun x -> SnapshotSpan.OfRange(snapshot, x))
                          triggerUpdate ss
                      with
                          | :? ArgumentOutOfRangeException ->
                              Logging.logInfo "ArgumentOutOfRangeException in Outlining.Tagger.doUpdate"
                              ()
                   | None -> ()
              })
  
  