anchor.diff:      try
           if suppressParameterCompletion then
              suppressParameterCompletion <- false
  -           return null
  +           return ParameterHintingResult.Empty
           else
           let docText = x.Editor.Text
           let offset = context.TriggerOffset
  
positive.code:                     Some o.EnclosingEntity.DisplayName
                  | Pattern p ->
                      Some p.EnclosingEntity.DisplayName
                  | ClosureOrNestedFunction cl ->
                      //Theres no link to a parent type for a closure (FCS limitation)
                      None
                  | Val _ |  Enum _ | Interface _ | Module _ | Namespace _
  
negative.code:                 else loop depth (i-1) 
              loop 0 (offset-1)
          
          if docText = null || offset > docText.Length || startOffset < 0 || offset <= 0 || isAnAutoProperty x.Editor offset
          then return ParameterHintingResult.Empty 
          else
          LoggingService.LogDebug("FSharpTextEditorCompletion: Getting Parameter Info, startOffset = {0}", startOffset)
          
  