* @return The new item if it was updated, otherwise the old item.
         */
        public KuromojiItem write(final KuromojiItem oldItem) {
            try {
                if (item == null || item.getId() != oldItem.getId() || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }

    private static final long serialVersionUID = 1L;

    private static final Logger logger = LogManager.getLogger(FileAuthentication.class);

    private FileConfig fileConfig;

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

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

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

    return (NavigableSet<E>) super.elementSet();
  }

  @LazyInit private transient @Nullable UnmodifiableSortedMultiset<E> descendingMultiset;

  // TODO(b/418181860): This method creates retain cycles in J2ObjC. In order to break the cycle,
  // there needs to be separate classes for primary and descending multiset, where the primary one

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        return asJson(new ApiUpdateResponse().id(accessToken.getId()).created(true).status(Status.OK).result());
    }

    // PUT /api/admin/accesstoken/setting
    /**
     * Updates an existing access token setting.
     *

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(reqHeader.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing request header setting.
     *
     * @param body the request header data to update

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(webAuth.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing web authentication setting.
     *
     * @param body the web authentication data to update

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(webConfig.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing web configuration setting.
     *
     * @param body the web configuration data to update

        this.lastAccessedAt = LocalDateTime.now();
    }

    /**
     * Trims the message history to keep only the most recent messages.
     *
     * @param maxMessages the maximum number of messages to retain
     */
    public void trimHistory(final int maxMessages) {
        synchronized (messagesLock) {
            if (messages != null && messages.size() > maxMessages) {

                    final ListResultBean<ElevateWordToLabel> mappingList = elevateWordToLabelBhv.selectList(cb -> {
                        cb.query().setElevateWordId_Equal(getId());
                        cb.specify().columnLabelTypeId();
                        cb.paging(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger(), 1);
                    });

     */
    protected ListBody createListBody(final DictionaryFile<? extends DictionaryItem> dictionaryFile) {
        final ListBody body = new ListBody();
        body.id = dictionaryFile.getId();
        body.type = dictionaryFile.getType();
        body.path = dictionaryFile.getPath();
        body.timestamp = dictionaryFile.getTimestamp();
        return body;
    }