monitorTarget.appendTimestamp(buf);
        String result = buf.toString();
        assertTrue(result.startsWith("\"timestamp\":\""));
        assertTrue(result.endsWith("\""));
        // Verify a timestamp was properly formatted
        assertNotNull(result);
        assertTrue(result.length() > "\"timestamp\":\"\"".length());
    }

    // Test appendException method with simple exception
    @Test

     */
    public void setSearchQuery(final String searchQuery) {
        this.searchQuery = searchQuery;
    }

    /**
     * Sets the timestamp when the search request was made.
     *
     * @param requestedTime The request timestamp
     */
    public void setRequestedTime(final long requestedTime) {
        this.requestedTime = requestedTime;
    }

    /**

    /**
     * Constructor for ProtwordsFile.
     * @param id the file identifier
     * @param path the file path
     * @param timestamp the file timestamp
     */
    public ProtwordsFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return PROTWORDS;
    }

    @Override
    public String getPath() {

     *
     * @return the item size
     */
    public long getSize() {
        return size;
    }

    /**
     * Returns the last modified timestamp.
     *
     * @return the last modified timestamp
     */
    public ZonedDateTime getLastModified() {
        return lastModified;
    }

    /**
     * Returns the base64-encoded ID of the item.
     *

        final String k = "timestamp";
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "" })));
        assertEquals("timestamp:2023-01-01", getAsQuery(Collections.singletonMap(k, new String[] { "2023-01-01" })));
        assertEquals("timestamp:2023-12-31", getAsQuery(Collections.singletonMap(k, new String[] { " 2023-12-31 " })));
        assertEquals("timestamp:2023-01-01 timestamp:2023-12-31",

    public String id;
    /** The type of the dictionary. */
    public String type;
    /** The path of the dictionary. */
    public String path;
    /** The timestamp of the dictionary. */
    public Date timestamp;

     * @param id        The unique identifier for this dictionary file.
     * @param path      The path to the dictionary file.
     * @param timestamp The last modified timestamp of the file.
     */
    public StopwordsFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return STOPWORDS;
    }

    @Override

         *
         * See [PropertiesUtils.store].
         */
        fun store(data: Map<String, Any>, file: File, comment: String? = null) {
            store(propertiesFrom(data), file, comment)
        }

        /**
         * Writes [Properties] to a file, but without including the timestamp comment.
         *
         * See [PropertiesUtils.store].

     * @param id        The unique identifier for this dictionary file.
     * @param path      The path to the dictionary file.
     * @param timestamp The last modified timestamp of the file.
     */
    public StemmerOverrideFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return STEMMER_OVERRIDE;
    }

    @Override

                "site:aaa");

        assertQueryBuilder("{\"timestamp\":{\"order\":\"asc\"}}", "sort:timestamp");
        assertQueryBuilder("{\"timestamp\":{\"order\":\"asc\"}}", "sort:timestamp.asc");
        assertQueryBuilder("{\"timestamp\":{\"order\":\"desc\"}}", "sort:timestamp.desc");

        try {
            assertQueryBuilder("", "sort:xxx");
            fail();