anchor.diff:          with get () = Option.get _arrowwidth
           and set value = _arrowwidth <- Some value
   
  +    /// Sets the annotation's ax coordinate axis. If set to an x axis id (e.g. *x* or *x2*), the `ax` position refers to an x coordinate If set to *paper*, the `ax` position refers to the distance from the left side of the plotting area in normalized coordinates where 0 (1) corresponds to the left (right) side.
  +    member __.axref
  +        with get () = Option.get _axref
  +        and set value = _axref <- 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 annotation's ay coordinate axis. If set to an y axis id (e.g. *y* or *y2*), the `ay` position refers to an y coordinate If set to *paper*, the `ay` position refers to the distance from the bottom of the plotting area in normalized coordinates where 0 (1) corresponds to the bottom (top).
  +    member __.ayref
  +        with get () = Option.get _ayref
  +        and set value = _ayref <- 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
  
positive.code:     let mutable _arrowhead: int option = None
      let mutable _arrowsize: float option = None
      let mutable _arrowwidth: float option = None
      let mutable _ax: float option = None
      let mutable _ay: float option = None
      let mutable _xref: _ option = None
      let mutable _x: _ option = None
  
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
  