anchor.diff:    /// For a variant that multiplies the colors but does not multiply the alpha
     /// channel, consider [modulate].
     ///
  -  /// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/blend_mode_multiply.png)
  +  /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/blend_mode_multiply.png)
     multiply,  // The last separable mode.
   
     /// Take the hue of the source image, and the saturation and luminosity of the
  
positive.code:   /// 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)
    repeated,
  
    /// Edge is mirrored from last color to first.
  
negative.code:   ///
    /// This corresponds to the "Source xor Destination" Porter-Duff operator.
    ///
    /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/blend_mode_xor.png)
    xor,
  
    /// Sum the components of the source and destination images.
  