anchor.diff:  /// [SliverGrid.delegate] property, and the [gridDelegate] property on the
   /// [GridView] corresponds to the [SliverGrid.gridDelegate] property.
   ///
  -/// The [new GridView], [new GridView.count], and [new GridView.extent]
  +/// The [GridView], [GridView.count], and [GridView.extent]
   /// constructors' `children` arguments correspond to the [childrenDelegate]
  -/// being a [SliverChildListDelegate] with that same argument. The [new
  -/// GridView.builder] constructor's `itemBuilder` and `childCount` arguments
  +/// being a [SliverChildListDelegate] with that same argument. The
  +/// [GridView.builder] constructor's `itemBuilder` and `childCount` arguments
   /// correspond to the [childrenDelegate] being a [SliverChildBuilderDelegate]
   /// with the matching arguments.
   ///
  -/// The [new GridView.count] and [new GridView.extent] constructors create
  +/// The [GridView.count] and [GridView.extent] constructors create
   /// custom grid delegates, and have equivalently named constructors on
  -/// [SliverGrid] to ease the transition: [new SliverGrid.count] and [new
  -/// SliverGrid.extent] respectively.
  +/// [SliverGrid] to ease the transition: [SliverGrid.count] and
  +/// [SliverGrid.extent] respectively.
   ///
   /// The [padding] property corresponds to having a [SliverPadding] in the
   /// [CustomScrollView.slivers] property instead of the grid itself, and having
  
positive.code: class CustomScrollView extends ScrollView {
    /// Creates a [ScrollView] that creates custom scroll effects using slivers.
    ///
    /// See the [new ScrollView] constructor for more details on these arguments.
    const CustomScrollView({
      Key key,
      Axis scrollDirection = Axis.vertical,
  
negative.code: ///
  /// This semantic index is not necessarily the same as the index of the widget in
  /// the scrollable, because some widgets may not contribute semantic
  /// information. Consider a [ListView.separated]: every other widget is a
  /// divider with no semantic information. In this case, only odd numbered
  /// widgets have a semantic index (equal to the index ~/ 2). Furthermore, the
  /// total number of children in this example would be half the number of
  /// widgets. (The [ListView.separated] constructor handles this
  /// automatically; this is only used here as an example.)
  ///
  /// The total number of visible children can be provided by the constructor
  