anchor.diff:  
       member __.yaxis
           with get () = Option.get _yaxis
  +        and set value = _yaxis <- Some value
  +
  +    member __.yaxis2
  +        with get () = Option.get _yaxis2
           and set value = _yaxis <- Some value
   
       member __.scene
  
positive.code:     let mutable _xaxis: Xaxis option = None
      let mutable _xaxis1: Xaxis option = None
      let mutable _xaxis2: Xaxis option = None
  
      let mutable _yaxis: Yaxis option = None
      let mutable _scene: Scene option = None
      let mutable _geo: Geo option = None
      let mutable _legend: Legend option = None
  
negative.code:     member __.ShouldSerializexaxis2() = not _xaxis2.IsNone
  
      member __.ShouldSerializeyaxis() = not _yaxis.IsNone
      member __.ShouldSerializeyaxis2() = not _yaxis2.IsNone
      member __.ShouldSerializescene() = not _scene.IsNone
      member __.ShouldSerializegeo() = not _geo.IsNone
      member __.ShouldSerializelegend() = not _legend.IsNone
  