private @Nullable RunDashboardServiceImpl findService(@NotNull Content content) {
    myServiceLock.readLock().lock();
    try {
      for (List<RunDashboardServiceImpl> services : myServices) {
        for (RunDashboardServiceImpl service : services) {
          if (content.equals(service.getContent())) {
            return service;
          }
        }
      }
    }
    finally {
      myServiceLock.readLock().unlock();
      updateDashboard(true);
    }
    return null;
  }
private @Nullable RunDashboardServiceImpl findService(@NotNull Content content)