anchor.diff:          // Preconditions
           checkNonNull "set" set
   
  -        set.Add (int key)
  +        set.Add (int64 key)
           |> retype
   
       /// Returns a new set with the given element removed.
  
positive.code:         // Preconditions
          checkNonNull "set" set
  
          set.Contains (int key)
  
      /// Returns the lowest element in the set according to an unsigned integer comparison.
      [<CompiledName("MinElement")>]
  
negative.code: 
      /// Returns the number of elements in the set
      [<CompiledName("Count")>]
      let inline count (set : LongTagSet<'Tag>) : int64 =
          // Retype as LongSet
          let set : LongSet = retype set
  
  