class LeaseManager {

  @VisibleForTesting
  synchronized void removeLeases(Collection<Long> inodes) {
    for (long inode : inodes) {
      Lease lease = leasesById.get(inode);
      if (lease != null) {
        removeLease(lease, inode);
      }
    }
  }

    LeaseManager(FSNamesystem fsnamesystem);

}