anchor.diff:      let mutable _arrowhead: int option = None
       let mutable _arrowsize: float option = None
       let mutable _arrowwidth: float option = None
  +    let mutable _axref: _ option = None
       let mutable _ax: float option = None
  +    let mutable _ayref: _ option = None
       let mutable _ay: float option = None
       let mutable _xref: _ option = None
       let mutable _x: _ option = None
  
positive.code:         with get () = Option.get _arrowwidth
          and set value = _arrowwidth <- Some value
  
      /// Sets the x component of the arrow tail about the arrow head. A positive (negative) component corresponds to an arrow pointing from right to left (left to right)
      member __.ax
          with get () = Option.get _ax
          and set value = _ax <- Some value
  
      /// Sets the y component of the arrow tail about the arrow head. A positive (negative) component corresponds to an arrow pointing from bottom to top (top to bottom)
      member __.ay
  
negative.code:     member __.ShouldSerializearrowhead() = not _arrowhead.IsNone
      member __.ShouldSerializearrowsize() = not _arrowsize.IsNone
      member __.ShouldSerializearrowwidth() = not _arrowwidth.IsNone
      member __.ShouldSerializeaxref() = not _axref.IsNone
      member __.ShouldSerializeax() = not _ax.IsNone
      member __.ShouldSerializeayref() = not _ayref.IsNone
      member __.ShouldSerializeay() = not _ay.IsNone
      member __.ShouldSerializexref() = not _xref.IsNone
      member __.ShouldSerializex() = not _x.IsNone
  