>>> (indent 2)
  bool isSdkDir(String dirname) => new File(
      path.join(dirname, 'lib', '_internal', 'libraries.dart')).existsSync();
<<<
### TODO(rnystrom): Would look better if the constructor arguments didn't split
### and we split at `.` instead.
  bool isSdkDir(String dirname) =>
      new File(
        path.join(dirname, 'lib', '_internal', 'libraries.dart'),
      ).existsSync();