anchor.diff:    /// Draws a sequence of points according to the given [PointMode].
     ///
     /// The `points` argument is interpreted as offsets from the origin.
  +  @Deprecated('We are planning on changing the signature of this function. See <https://github.com/flutter/flutter/issues/10087>.')
     void drawPoints(PointMode pointMode, List<Offset> points, Paint paint) {
       _drawPoints(paint._objects, paint._data, pointMode.index, _encodePointList(points));
     }
  
positive.code:   Picture(); // (this constructor is here just so we can document it)
  
    /// Creates an image from this picture.
    /// 
    /// The picture is rasterized using the number of pixels specified by the
    /// given width and height.
    /// 
    /// Although the image is returned synchronously, the picture is actually
    /// rasterized the first time the image is drawn and then cached.
    Image toImage(int width, int height) native "Picture_toImage";
  
negative.code: 
  /// Defines how a list of points is interpreted when drawing a set of points.
  ///
  // ignore: deprecated_member_use
  /// Used by [Canvas.drawPoints].
  enum PointMode {
    /// Draw each point separately.
  