>>> (indent 2)
  bool isSdkDir(String dirname) =>
      new File(path.join(dirname, 'lib', '_internal', 'libraries.dart'))
      .existsSync();
<<<
  bool isSdkDir(String dirname) =>
      new File(path.join(dirname, 'lib', '_internal', 'libraries.dart'))
          .existsSync();
>>> (indent 6)
      bool isSdkDir(String dirname) =>
          new File(path.join(dirname, 'lib', '_internal', 'libraries.dart'))
          .existsSync();
<<<
      bool isSdkDir(String dirname) =>
          new File(path.join(dirname, 'lib', '_internal', 'libraries.dart'))
              .existsSync();
>>> (indent 12)
            bool isSdkDir(String dirname) =>
                new File(path.join(dirname, 'lib', '_internal', 'libraries.dart'))
                .existsSync();
<<<
            bool isSdkDir(String dirname) => new File(
                    path.join(dirname, 'lib', '_internal', 'libraries.dart'))
                .existsSync();