anchor.diff:    inherit CommonObject(env, env.Maps.Base, env.Prototypes.Date)
   
     static let offset = (new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).Ticks
  -  static let ticks = 10000L
  -  
  -  [<DefaultValue>] 
  +  static let tickScale = 10000L
  +
  +  [<DefaultValue>]
     val mutable Date : DateTime
   
     do 
  
positive.code:   new (env, pattern, options, global') as this =
      {
        inherit CO(env, env.Maps.RegExp, env.Prototypes.RegExp)
        RegExp = null
        Global = global'
      }
      then
  
negative.code: and [<AllowNullLiteral>] RegExpObject = 
    inherit CO
  
    [<DefaultValue>]
    val mutable RegExp : Regex
    val Global : bool
  
  