anchor.diff:  ///  * [dart:ui.Gradient], the low-level class used when dealing with the
   ///    [Paint.shader] property directly, with its [new Gradient.linear] and [new
   ///    Gradient.radial] constructors.
  +// These enum values must be kept in sync with SkShader::TileMode.
   enum TileMode {
     /// Edge is clamped to the final color.
     ///
  
positive.code: ///
  // ignore: deprecated_member_use
  /// Used by [Canvas.drawPoints].
  enum PointMode {
    /// Draw each point separately.
    ///
  
negative.code: }
  
  /// Styles to use for blurs in [MaskFilter] objects.
  // These enum values must be kept in sync with SkBlurStyle.
  enum BlurStyle {
    // These mirror SkBlurStyle and must be kept in sync.
  
  