builder property
Widget Function(BuildContext context, ScrollController sc11, ScrollController sc12, ScrollController sc21, ScrollController sc22)
builder
final
Positions of 2 pairs of scroll controllers (sc11|sc12 and sc21|sc22) will be synchronized, attached scrollables will copy the positions
Implementation
final Widget Function(
BuildContext context,
ScrollController sc11,
ScrollController sc12,
ScrollController sc21,
ScrollController sc22) builder;