public boolean isSettingRoots() {
    Future<?> lastTask = myLastTask.get();  // a new task may come after the read, but this seems to be an acceptable race
    if (lastTask != null && !lastTask.isDone()) {
      return true;
    }
    for (PluggableFileWatcher watcher : PluggableFileWatcher.EP_NAME.getIterable()) {
      if (watcher != null && watcher.isSettingRoots()) return true;
    }
    return false;
  }
public boolean isSettingRoots()