Dart APIlicense_listLicenseListSliverLicenseListSliver const constructor LicenseListSliver constructor Null safety const LicenseListSliver({Key? key, required dynamic onSelectPackage(String packageName )} ) Implementation const LicenseListSliver({super.key, required this.onSelectPackage}); unself_license_list license_list LicenseListSliver LicenseListSliver const constructor LicenseListSliver class Constructors LicenseListSliver Properties hashCode key onSelectPackage runtimeType Methods build createElement debugDescribeChildren debugFillProperties noSuchMethod toDiagnosticsNode toString toStringDeep toStringShallow toStringShort Operators operator == Static methods item