anchor.diff:    /// to 2.0, 2.0 to 3.0, and so forth (and for linear gradients, similarly from
     /// -1.0 to 0.0, -2.0 to -1.0, etc).
     ///
  -  /// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_linear.png)
  -  /// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_radial.png)
  +  /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/tile_mode_repeated_linear.png)
  +  /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/tile_mode_repeated_radial.png)
     repeated,
   
     /// Edge is mirrored from last color to first.
  
positive.code:   ///
    /// This results in a similar but softer effect than [overlay].
    ///
    /// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/blend_mode_softLight.png)
    ///
    /// See also:
    ///
  
negative.code:   /// The opacity of the output image is computed in the same way as for
    /// [srcOver].
    ///
    /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/blend_mode_darken.png)
    darken,
  
    /// Composite the source and destination image by choosing the highest value
  