anchor.diff:  
   import 'package:args/args.dart';
   import 'package:gcloud/db.dart';
  +import 'package:pool/pool.dart';
   
  +import 'package:pub_dev/analyzer/analyzer_client.dart';
   import 'package:pub_dev/package/models.dart';
  -import 'package:pub_dev/package/model_properties.dart';
   import 'package:pub_dev/service/entrypoint/tools.dart';
   
   Future main(List<String> args) async {
  
positive.code:   }
  }
  
  Map<String, int> _sortDomains(Map<String, int> counts) {
    final List<String> domains = counts.keys.toList();
    domains.sort((a, b) => -counts[a].compareTo(counts[b]));
    final result = <String, int>{};
    for (String domain in domains) {
      result[domain] = counts[domain];
    }
    return result;
  }
  
negative.code:   final List<String> flutterPlugins = [];
    final List<String> flutterSdks = [];
  
    final homepageScheme = _Counter();
    final licenseCounts = _Counter();
    final licenseNames = _Counter();
    final packagesWithMoreThanOneLicense = _Counter();
    final grantedPoints = _Counter();
    final tags = _Counter();
  
    await withProdServices(() async {
      Future<void> process(Package p) async {
        totalCount++;
        if (totalCount % 25 == 0) {
          print('Reading package #$totalCount: ${p.name}');
        }
  
        final latest =
            await dbService.lookupValue<PackageVersion>(p.latestVersionKey);
        final pubspec = latest.pubspec;
  
        if (pubspec.hasFlutterPlugin) {
          flutterPlugins.add(p.name);
  