return func.apply(this).actionGet(connTimeout, TimeUnit.MILLISECONDS);
            } catch (final IndexNotFoundException | VersionConflictEngineException e) {
                logger.debug("{} occurs.", e.getClass().getName(), e);
                throw e;
            } catch (final Exception e) {
                if (retryCount > maxRetryCount) {
                    throw e;
                }

     * @see jcifs.SmbTree#unwrap(java.lang.Class)
     */
    @SuppressWarnings ( "unchecked" )
    @Override
    public <T extends SmbTree> T unwrap ( Class<T> type ) {
        if ( type.isAssignableFrom(this.getClass()) ) {
            return (T) this;
        }
        throw new ClassCastException();
    }


    /**
     * @param track
     * @return tree with increased usage count
     */

        searchers[0] = searcher;
    }

    public void register(final RankFusionSearcher searcher) {
        if (logger.isDebugEnabled()) {
            logger.debug("Load {}", searcher.getClass().getSimpleName());
        }
        final RankFusionSearcher[] newSearchers = Arrays.copyOf(searchers, searchers.length + 1);
        newSearchers[newSearchers.length - 1] = searcher;
        searchers = newSearchers;

         */
        @SuppressWarnings ( "unchecked" )
        @Override
        public <T extends DfsReferralData> T unwrap ( Class<T> type ) {
            if ( type.isAssignableFrom(this.getClass()) ) {
                return (T) this;
            }
            throw new ClassCastException();
        }


        /**
         * {@inheritDoc}
         *

      oos.flush();
      oos.close();
      ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
      T clone = (T) ois.readObject();
      assertSame(o.getClass(), clone.getClass());
      return clone;
    } catch (Throwable t) {
      threadUnexpectedException(t);
      return null;
    }
  }

    protected ObjectMapper objectMapper = new ObjectMapper();

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        userInfoCache = CacheBuilder.newBuilder()//
                .maximumSize(userInfoCacheSize)//
                .expireAfterWrite(userCheckInterval, TimeUnit.MILLISECONDS)//

    protected int splitHashSize = 10;

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        final String thumbnailPath = System.getProperty(Constants.FESS_THUMBNAIL_PATH);
        if (thumbnailPath != null) {
            baseDir = new File(thumbnailPath);
        } else {

  @Override
  public final void addListener(Listener listener, Executor executor) {
    listeners.addListener(listener, executor);
  }

  @Override
  public String toString() {
    return getClass().getSimpleName() + " [" + state() + "]";
  }

  /**
   * Attempts to execute all the listeners in {@link #listeners} while not holding the {@link
   * #monitor}.
   */

    abstract boolean isPermitted(Exception exception);

    void assertPermitted(Exception exception) {
      if (!isPermitted(exception)) {
        String message =
            "Exception "
                + exception.getClass().getSimpleName()
                + " was thrown; expected "
                + getMessage();
        throw new AssertionError(message, exception);
      }
    }

        if (transferListener instanceof SimplexTransferListener) {
            transferListener = ((SimplexTransferListener) transferListener).getDelegate();
        }

        assertThat(transferListener.getClass(), is(expectedSubClass));
    }

    public static Stream<Arguments> calculateTransferListenerArguments() {
        return Stream.of(