anchor.diff:  
     /// Joins between line segments are semi-circular.
     ///
  -  /// {@animation joinRound 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/round_join.mp4}
  +  /// {@animation joinRoundEnum 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/round_join.mp4}
     ///
     /// The center of the line segment is colored in the diagram above to
     /// highlight the join, but in normal usage the join is the same color as the
  
positive.code:   /// Defaults to 4.0.  Using zero as a limit will cause a [StrokeJoin.bevel]
    /// join to be used all the time.
    ///
    /// {@animation joinMiter 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/miter_0_join.mp4}
    ///
    /// {@animation joinMiter 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/miter_4_join.mp4}
    ///
    /// {@animation joinMiter 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/miter_6_join.mp4}
    ///
    /// The centers of the line segments are colored in the diagrams above to
    /// highlight the joins, but in normal usage the join is the same color as the
  
negative.code:   /// Joins between line segments connect the corners of the butt ends of the
    /// line segments to give a beveled appearance.
    ///
    /// {@animation joinBevelEnum 300 300 https://flutter.github.io/assets-for-api-docs/assets/dart-ui/bevel_join.mp4}
    ///
    /// The center of the line segment is colored in the diagram above to
    /// highlight the join, but in normal usage the join is the same color as the
  