anchor.diff:            ? _taskCommandsTickQuoted.toList().toString()
             : _taskCommandsTickQuoted.first);
   
  -  TravisJob(this.os, this.package, this.sdk, this.stageName, this.tasks,
  -      {this.description});
  +  TravisJob(
  +    this.os,
  +    this.package,
  +    this.sdk,
  +    this.stageName,
  +    this.tasks, {
  +    this.description,
  +  });
   
     factory TravisJob.fromJson(Map<String, dynamic> json) =>
         _$TravisJobFromJson(json);
  
positive.code:   );
  
    factory PackageConfig.parse(
        String relativePath, Pubspec pubspec, Map monoPkgYaml) {
      if (monoPkgYaml.isEmpty) {
        // It's valid to have an empty `mono_pkg.yaml` file – it just results in
        // an empty config WRT travis.
        return PackageConfig(
            relativePath, pubspec, [], [], [], [], [], false, false);
      }
      final rawConfig = RawConfig.fromJson(monoPkgYaml);
  
  
negative.code:     }).toList();
  
      return PackageConfig(
        relativePath,
        pubspec,
        rawConfig.oses,
        rawConfig.sdks,
        stageNames,
        jobs,
        rawConfig.cache?.directories ?? const [],
        sdkConfigUsed,
        osConfigUsed,
      );
    }
  
    bool get hasFlutterDependency {
      if (pubspec.environment.containsKey('flutter')) {
        return true;
      }
      return pubspec.dependencies.values.any(
        (dependency) =>
            dependency is SdkDependency && dependency.sdk == 'flutter',
      );
    }
  }
  
  