public static void findModuleRoots(final List<? super String> paths, final String rootPath, @Nullable Processor<? super String> progressUpdater) {
    if (progressUpdater != null) {
      progressUpdater.process(rootPath);
    }

    final String project = findProjectName(rootPath);
    if (project != null) {
      paths.add(rootPath);
    }

    final File root = new File(rootPath);
    if (root.isDirectory()) {
      final File[] files = root.listFiles();
      if (files != null) {
        for (File file : files) {
          findModuleRoots(paths, file.getPath(), progressUpdater);
        }
      }
    }
  }
public static void findModuleRoots(final List<? super String> paths, final String rootPath, @Nullable Processor<? super String> progressUpdater)