aggregation method
Implementation
@override
FutureOr<ReadListResult> aggregation(Access access) {
throw UnimplementedError(
"Aggregation not supported with Simple(Cache)DataAccess");
}
@override
FutureOr<ReadListResult> aggregation(Access access) {
throw UnimplementedError(
"Aggregation not supported with Simple(Cache)DataAccess");
}