scheduler.scheduleAtFixedRate(this::periodicMaintenance, 30, 30, TimeUnit.SECONDS);
    }

    /**
     * Request a new durable handle
     * @param path the file path
     * @param type the handle type
     * @param timeout the timeout in milliseconds
     * @param leaseKey the associated lease key (can be null)
     * @return the handle GUID
     */

        return true;
    }

    /**
     * Stores child URLs found in the response data.
     *
     * @param crawlerContext the crawler context
     * @param childUrlList the set of child URLs
     * @param url the parent URL
     * @param depth the depth of the child URLs
     * @param encoding the encoding of the child URLs
     */

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     */
    public Tokenizer(final String str) {
        this(str, defaultCtype);
    }

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     * @param ctype

        /**
         * Constructs a SamrEnumerateAliasesInDomain request.
         *
         * @param domain_handle The domain handle
         * @param resume_handle The enumeration context
         * @param acct_flags Account control flags filter
         * @param sam The SAM array to receive results
         * @param num_entries The number of entries to return
         */

        /**
         * Constructs a SamrEnumerateAliasesInDomain request.
         *
         * @param domain_handle The domain handle
         * @param resume_handle The enumeration context
         * @param acct_flags Account control flags filter
         * @param sam The SAM array to receive results
         * @param num_entries The number of entries to return
         */

    public HtmlResponse index() {
        return asListHtml();
    }

    /**
     * Displays a paginated list of related content items.
     *
     * @param pageNumber the page number to display (optional)
     * @param form the search form containing filter criteria
     * @return HTML response with the related content list
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

     * Processes collection definitions and tracks the element hierarchy.
     *
     * @param uri the namespace URI, or empty string if none
     * @param localName the local name without prefix, or empty string if namespace processing is not performed
     * @param qName the qualified name with prefix, or empty string if qualified names are not available
     * @param attributes the attributes attached to the element

     *
     * @param offset the offset to set
     */
    public void setOffset(final long offset) {
        this.offset = offset;
    }

    /**
     * Add RDMA channel information for direct memory access
     *
     * @param remoteKey remote memory key
     * @param address remote memory address
     * @param length length of memory region
     */

            return 10L;
        }

        @Override
        public void commit() {
            /* No-op */ }

        @Override
        public void store(DataStoreParams params, java.util.Map<String, Object> data) {
            /* No-op */ }
    }

    private static class FastMockDataStoreFactory extends DataStoreFactory {
        @Override

    }

    public void test_processFieldConfigs() {
        final FessFileTransformer transformer = createInstance();
        final Map<String, String> params = Maps.of("foo", "cache", "bar", "overwrite", "baz", "cache|overwrite");
        FieldConfigs fieldConfigs = new FieldConfigs(params);
        final Map<String, Object> dataMap = Map.of(//
                "foo", new String[] { "aaa", "bbb" }, //