*/
        public long getTimestamp() {
            return timestamp;
        }

        /**
         * Sets the notification timestamp.
         *
         * @param timestamp the timestamp value in FILETIME format (100-nanosecond intervals since January 1, 1601 UTC)
         */
        public void setTimestamp(long timestamp) {
            this.timestamp = timestamp;
        }

    /**
     * Gets the notification timestamp.
     *
     * @return the timestamp
     */
    public long getTimestamp() {
        return timestamp;
    }

    /**
     * Sets the timestamp.
     *
     * @param timestamp the timestamp
     */
    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    /**
     * Gets the list of new IP addresses.

        String version = null;
        Snapshot snapshot = versioning.getSnapshot();
        if (snapshot != null) {
            if (snapshot.getTimestamp() != null && snapshot.getBuildNumber() > 0) {
                String newVersion = snapshot.getTimestamp() + "-" + snapshot.getBuildNumber();
                version = baseVersion.replace(Artifact.SNAPSHOT_VERSION, newVersion);
            } else {

            // Set event type based on message type
            WitnessEventType eventType = convertMessageTypeToEventType(message.getType());
            notification.setEventType(eventType);
            notification.setTimestamp(message.getTimestamp());

            // Set resource name based on message content
            if (message.getResourceName() != null) {
                notification.setResourceName(message.getResourceName());

                2.0f, // userBoost
                new String[] { "tag1", "tag2" }, new String[] { "role1" }, new String[] {}, // languages
                SuggestItem.Kind.DOCUMENT);
        item.setTimestamp(ZonedDateTime.now());

        String bulkLine = SuggestUtil.createBulkLine("test_index", "_doc", item);
        assertNotNull(bulkLine);
        assertTrue(bulkLine.contains("test_index"));

                    }

                    // overwrite
                    if ( s.getTimestamp() == null ? snapshot.getTimestamp() != null
                        : !s.getTimestamp().equals( snapshot.getTimestamp() ) )
                    {
                        s.setTimestamp( snapshot.getTimestamp() );
                        changed = true;
                        updateSnapshotVersions = true;

        item.setText("sample text");
        assertEquals("sample text", item.getText());

        // Test timestamp
        ZonedDateTime now = ZonedDateTime.now();
        item.setTimestamp(now);
        assertEquals(now, item.getTimestamp());

        // Test query frequency
        item.setQueryFreq(200L);
        assertEquals(200L, item.getQueryFreq());

        // Test document frequency

                Matcher matcher = Artifact.VERSION_FILE_PATTERN.matcher(artifact.getVersion());
                if (matcher.matches()) {
                    Snapshot snapshot = new Snapshot();
                    snapshot.setTimestamp(matcher.group(2));
                    try {
                        snapshot.setBuildNumber(Integer.parseInt(matcher.group(3)));

    }

    /**
     * Sets the timestamp of the suggest item.
     * @param timestamp The timestamp to set.
     */
    public void setTimestamp(final ZonedDateTime timestamp) {
        this.timestamp = timestamp;
    }

    /**
     * Sets the query frequency of the suggest item.
     * @param queryFreq The query frequency to set.
     */
    public void setQueryFreq(final long queryFreq) {

        assertNotNull(avTimestamp);
        assertEquals(AvPair.MsvAvTimestamp, avTimestamp.getType());
        assertEquals(timestamp, avTimestamp.getTimestamp()); // Verify encoding and decoding
    }

    /**
     * Test getTimestamp method with a positive timestamp.
     */
    @Test
    public void testGetTimestampPositive() {
        long expectedTimestamp = 123456789012345L;