anchor.diff:      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 _yaxis2: Yaxis option = None
       let mutable _scene: Scene option = None
       let mutable _geo: Geo option = None
       let mutable _legend: Legend option = None
  
positive.code:     member __.ShouldSerializexaxis2() = not _xaxis2.IsNone
  
      member __.ShouldSerializeyaxis() = not _yaxis.IsNone
      member __.ShouldSerializescene() = not _scene.IsNone
      member __.ShouldSerializegeo() = not _geo.IsNone
      member __.ShouldSerializelegend() = not _legend.IsNone
  
negative.code: 
      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
  