anchor.diff:          TcEnvAtEnd : TypeChecker.TcEnv 
           Errors : (PhasedError * bool) list 
           TcResolutions: Nameres.TcResolutions list 
  -        TimeStamp: System.DateTime }
  +        TimeStamp: DateTime }
   
     [<Class>]
     type IncrementalBuilder = 
   
         /// Increment the usage count on the IncrementalBuilder by 1. Ths initial usage count is 0. The returns an IDisposable which will 
         /// decrement the usage count on the entire build by 1 and dispose if it is no longer used by anyone.
  -      member IncrementUsageCount : unit -> System.IDisposable
  +      member IncrementUsageCount : unit -> IDisposable
        
         /// Check if the builder is not disposed
         member IsAlive : bool
  
positive.code: 
  namespace Microsoft.FSharp.Compiler
  
  open Microsoft.FSharp.Compiler
  open Microsoft.FSharp.Compiler.Range
  open Microsoft.FSharp.Compiler.ErrorLogger
  
negative.code:     member FileName: string
      member StartLineAlternate:int
      member EndLineAlternate:int
      [<Obsolete("This member has been replaced by StartLineAlternate, which produces 1-based line numbers rather than a 0-based line numbers. See https://github.com/fsharp/FSharp.Compiler.Service/issues/64")>]
      member StartLine:Line0
      [<Obsolete("This member has been replaced by EndLineAlternate, which produces 1-based line numbers rather than a 0-based line numbers. See https://github.com/fsharp/FSharp.Compiler.Service/issues/64")>]
      member EndLine:Line0
      member StartColumn:int
      member EndColumn:int
  