getHeaderHelper method Null safety

dynamic getHeaderHelper(
  1. bool? collapsed
)

Returns the header (helper) (no padding, no tapping).

Implementation

@protected
Widget getHeaderHelper(final bool? collapsed) => UserPreferencesListTile(
      title: getTitle(),
      subtitle: getSubtitle(),
      isCompactTitle: isCompactTitle(),
      icon: isCompactTitle()
          ? SmoothAnimatedCollapseArrow(collapsed: collapsed!)
          : collapsed != null
              ? getForwardIcon()
              : null,
    );