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"));

        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

    }

    /**
     * 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) {

        secondLine.put("tags", item.getTags());
        secondLine.put("roles", item.getRoles());
        secondLine.put("kinds", Arrays.toString(item.getKinds()));
        secondLine.put("@timestamp", item.getTimestamp());

        try (OutputStream out1 = getXContentOutputStream(firstLineMap); OutputStream out2 = getXContentOutputStream(secondLine)) {
            return ((ByteArrayOutputStream) out1).toString(CoreLibConstants.UTF_8) + '\n'

        }

        if (file.isFile()) {
            responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
            responseData.setCharSet(Constants.UTF_8);
            responseData.setLastModified(file.getTimestamp().getTime());

            // check file size
            responseData.setContentLength(file.getSize());
            checkMaxContentLength(responseData);

            if (file.getUser() != null) {