SectionFooterBuilder<SECTION> typedef
SectionFooterBuilder<SECTION> =
Widget? Function(BuildContext context, SECTION section, int sectionIndex)
Build footer widget used in ListViewWithDataSource.
The widget will display at foot of the section.
If not needed, return null.
Implementation
typedef SectionFooterBuilder<SECTION> = Widget? Function(
BuildContext context,
SECTION section,
int sectionIndex,
);