* forever in the case of failure.
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // threads
  static <V> V pseudoTimedGetUninterruptibly(final Future<V> input, long timeout, TimeUnit unit)
      throws ExecutionException, TimeoutException {
    ExecutorService executor = newSingleThreadExecutor();
    Future<V> waiter =
        executor.submit(

  /** Weigher to weigh cache entries. */
  final Weigher<K, V> weigher;

  /** How long after the last access to an entry the map will retain that entry. */
  final long expireAfterAccessNanos;

  /** How long after the last write to an entry the map will retain that entry. */
  final long expireAfterWriteNanos;

  /** How long after the last write an entry becomes a candidate for refresh. */
  final long refreshNanos;

   * forever in the case of failure.
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // threads
  static <V> V pseudoTimedGetUninterruptibly(final Future<V> input, long timeout, TimeUnit unit)
      throws ExecutionException, TimeoutException {
    ExecutorService executor = newSingleThreadExecutor();
    Future<V> waiter =
        executor.submit(

       *
       * ...except that it's possible for users to insert a string key with a non-string value, and
       * in that case, getProperty *will* return null.
       *
       * TODO(b/192002623): Handle that case: Either:
       *
       * - Skip non-string keys and values entirely, as proposed in the linked bug.
       *

  /** Weigher to weigh cache entries. */
  final Weigher<K, V> weigher;

  /** How long after the last access to an entry the map will retain that entry. */
  final long expireAfterAccessNanos;

  /** How long after the last write to an entry the map will retain that entry. */
  final long expireAfterWriteNanos;

  /** How long after the last write an entry becomes a candidate for refresh. */
  final long refreshNanos;

        } catch( SmbException se ) {
            switch (se.getNtStatus()) {
                case NtStatus.NT_STATUS_NO_SUCH_FILE:
                case NtStatus.NT_STATUS_OBJECT_NAME_INVALID:
                case NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND:
                case NtStatus.NT_STATUS_OBJECT_PATH_NOT_FOUND:
                    break;
                default:
                    throw se;