upgradeToVersion method

  1. @override
Map<String, dynamic> upgradeToVersion(
  1. Map<String, dynamic> payload,
  2. int oldVersion
)
override

Implementation

@override
Map<String, dynamic> upgradeToVersion(
  Map<String, dynamic> payload,
  int oldVersion,
) =>
    throw UnimplementedError(
      '${HeapSample.version} is the only valid HeapSample version',
    );