QueueList constructor Null safety

QueueList(
  1. {Key? key,
  2. required FlutterCastFramework castFramework,
  3. required ListItemBuilder listItemBuilder,
  4. EmptyStateBuilder? emptyListStateBuilder,
  5. EmptyStateBuilder? emptyItemStateBuilder}
)

Implementation

QueueList({
  Key? key,
  required this.castFramework,
  required this.listItemBuilder,
  this.emptyListStateBuilder,
  this.emptyItemStateBuilder,
}) : super(key: key);