GroupStyle constructor Null safety

GroupStyle(
  1. {Color? activeColor,
  2. TextStyle? groupTitleStyle,
  3. TextStyle? itemTitleStyle,
  4. TextStyle? subItemTitleStyle}
)

Implementation

GroupStyle({
  Color? activeColor,
  TextStyle? groupTitleStyle,
  TextStyle? itemTitleStyle,
  TextStyle? subItemTitleStyle,
}) : super(
        activeColor: activeColor,
        groupTitleStyle: groupTitleStyle,
        itemTitleStyle: itemTitleStyle,
        subItemTitleStyle: subItemTitleStyle,
      );