*
     * @param host the host string to decode
     * @return the decoded host string
     */
    protected String decode(final String host) {
        if (host.indexOf('%') == -1) {
            return host;
        }
        try {
            return URLDecoder.decode(host, encoding);
        } catch (final UnsupportedEncodingException e) {
            return host;
        }
    }

    /**

        /**
         * Supply the user type.
         * @return The user type.
         */
        OptionalThing<String> supply();
    }

    /**
     * The supplier of user bean.
     */
    @FunctionalInterface
    public interface UserBeanSupplier {
        /**
         * Supply the user bean.
         * @return The user bean.
         */
        OptionalThing<FessUserBean> supply();
    }

     *
     * @param file the file (must not be {@literal null})
     * @return a {@link FileInputStream} to read from the file
     * @see FileInputStream#FileInputStream(File)
     */
    public static FileInputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return new FileInputStream(file);
        } catch (final IOException e) {

     *
     * @param obj the object to be serialized (must not be {@literal null})
     * @return the deserialized object
     */
    public static Object serialize(final Object obj) {
        assertArgumentNotNull("obj", obj);

        final byte[] binary = fromObjectToBinary(obj);
        return fromBinaryToObject(binary);
    }

    /**
     * Converts an object to a byte array.
     *

     *
     * @return the offset
     */
    public long getOffset() {
        return this.offset;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#writeParameterWordsWireFormat(byte[], int)
     */
    @Override
    protected int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    /**

                if (reverseValue) {
                    return !result;
                } else {
                    return result;
                }
            } else {
                boolean result = sysValue != null && !sysValue.isEmpty();

                if (reverseName) {
                    return !result;
                } else {
                    return result;
                }
            }
        }

    this.k0 = k0;
    this.k1 = k1;
  }

  @Override
  public int bits() {
    return 64;
  }

  @Override
  public Hasher newHasher() {
    return new SipHasher(c, d, k0, k1);
  }

  // TODO(kak): Implement and benchmark the hashFoo() shortcuts.

  @Override
  public String toString() {
    return "Hashing.sipHash" + c + "" + d + "(" + k0 + ", " + k1 + ")";
  }

  @Override

            protected Map<String, String> getEnvMap() {
                return envMap;
            }

            @Override
            protected File getDesignJspFile(String path) {
                return new File(desginJspRootFile, path);
            }

            @Override
            protected RequestManager getRequestManager() {
                return new SimpleRequestManager() {

                return Collections.emptyMap();
            }
        };
        transformer.fessConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public boolean isCrawlerIgnoreRobotsTags() {
                return false;
            };
        };

   */
  public static <V extends @Nullable Object> ListenableFuture<V> listenInPoolThread(
      Future<V> future) {
    if (future instanceof ListenableFuture) {
      return (ListenableFuture<V>) future;
    }
    return new ListenableFutureAdapter<>(future);
  }

  /**
   * Submits a blocking task for the given {@link Future} to provide {@link ListenableFuture}
   * functionality.
   *