anchor.diff:        workingDirectory: workingDirectory, runInShell: true);
     stdout.write(processResult.stdout);
     stderr.write(processResult.stderr);
  +  Logger.root.fine("docgen exit code = ${processResult.exitCode}");
     return processResult.exitCode;
   }
   
  
positive.code: final String PACKAGES_DATA_URI = "http://pub.dartlang.org/packages.json";
  final String PACKAGE_STORAGE_ROOT = "gs://dartdocs.org/documentation";
  final String DOCUMENTATION_HTTP_ROOT = "http://storage.googleapis.com/dartdocs.org/documentation";
  final String BUILD_DOCUMENTATION_CACHE = "build_documentation_cache";
  final String BUILD_DOCUMENTATION_ROOT_PATH =
  "build_documentation_cache/hosted/pub.dartlang.org";
  final String DARTDOC_VIEWER_OUT = 'dartdoc-viewer/client/out';
  
  
  /**
   * Class prepresentation of `<package>.json` file.
  
negative.code: import "dart:async";
  import "dart:convert";
  
  import "package:logging/logging.dart";
  import "package:crypto/crypto.dart";
  import "package:path/path.dart";
  import 'package:http/http.dart' as http;
  