@Override
  @Deprecated
  @Contract("_, _, _ -> fail")
  public FileLock tryLock(long position, long size, boolean shared) throws IOException {
    throw new UnsupportedOperationException("Method not implemented yet: no use");
  }
@Override
  @Deprecated
  @Contract("_, _, _ -> fail")
  public FileLock tryLock(long position, long size, boolean shared)