if (getExpiredTime() == null) {
            return null;
        }
        return new Date(getExpiredTime());
    }

    public void setExpires(final Date date) {
        setExpiredTime(date != null ? date.getTime() : null);
    }

    @Override
    public String toString() {

        if (locale == null) {
            if (getValue() == null) {
                return Locale.ROOT;
            }
            locale = ComponentUtil.getFessConfig().getQueryLocaleFromName(getValue());
        }
        return locale;
    }

    @Override
    public String toString() {
        return "LabelType [createdBy=" + createdBy + ", createdTime=" + createdTime + ", excludedPaths=" + excludedPaths

        return null;
    }

    @Override
    protected String createFromHint() {
        return null;
    }

    @Override
    protected String createSqlSuffix() {
        return null;
    }

    @Override
    public void fetchFirst(int fetchSize) {
        _fetchScopeEffective = true;
        if (fetchSize < 0) {
            String msg = "Argument[fetchSize] should be plus: " + fetchSize;

     *
     * @param o
     *            The object to convert
     * @return The converted {@literal boolean}
     */
    public static boolean toPrimitiveBoolean(final Object o) {
        final Boolean b = toBoolean(o);
        if (b != null) {
            return b;
        }
        return false;
    }

    @Override
    public boolean include(Artifact artifact) {
        return type.equals(artifact.getType());
    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + type.hashCode();
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

    return emptySet();
  }

  private Collection<Method> suppressForEmptyNavigableMap() {
    return emptySet();
  }

  private Collection<Method> suppressForEmptySortedMap() {
    return emptySet();
  }

  protected Collection<Method> suppressForSingletonMap() {
    return emptySet();
  }

  protected Collection<Method> suppressForHashMap() {
    return emptySet();
  }

                        if (file != null) {
                            return file;
                        }
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to load {}", fileMap, e);
                }
                return null;
            }).filter(file -> file != null).toArray(n -> new DictionaryFile<?>[n]);

     *
     * @return the default filter chain implementation
     */
    protected FilterChain createDefaultFilterChain() {
        return (context, query, boost) -> {
            final QueryCommand queryCommand = queryCommandMap.get(query.getClass().getSimpleName());
            if (queryCommand != null) {
                return queryCommand.execute(context, query, boost);
            }

    return delegate.last();
  }

  @Override
  public @Nullable E lower(E e) {
    return delegate.lower(checkValid(e));
  }

  @Override
  public @Nullable E pollFirst() {
    return delegate.pollFirst();
  }

  @Override
  public @Nullable E pollLast() {
    return delegate.pollLast();
  }

  @Override
  public boolean remove(Object object) {

    private Map<String, String> attributes;

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    @Override