ListItem constructor Null safety

const ListItem(
  1. {Key? key,
  2. required String item,
  3. required dynamic statusMsg(
    1. String,
    2. {bool loading}
    ),
  4. required List<String> running}
)

Implementation

const ListItem(
    {Key? key,
    required this.item,
    required this.statusMsg,
    required this.running})
    : super(key: key);