}

    /**
     * Creates a new PopularWordsRequestBuilder for querying popular words.
     * @return A PopularWordsRequestBuilder instance.
     */
    public PopularWordsRequestBuilder popularWords() {
        return new PopularWordsRequestBuilder(client).setIndex(getSearchAlias(index));
    }

    /**

         * Gets the source index.
         *
         * @return the source index
         */
        public int getIndex() {
            return index;
        }

        /**
         * Sets the source index.
         *
         * @param index the source index
         */
        public void setIndex(final int index) {
            this.index = index;
        }

        /**
         * Gets the source title.

     *
     * @return the current index
     */
    public int getIndex() {
        return index;
    }

    /**
     * Sets the current index position in the buffer.
     *
     * @param index the new index position
     */
    public void setIndex(final int index) {
        this.index = index;
    }

    /**
     * Returns the capacity of the buffer.

     *
     * @return the current index
     */
    public int getIndex() {
        return this.index;
    }

    /**
     * Sets the current index position in the buffer.
     *
     * @param index the new index position
     */
    public void setIndex(final int index) {
        this.index = index;
    }

    /**
     * Returns the capacity of the buffer.

        public void refresh() {
            // Mock implementation
        }

        public void createIndexIfNothing() {
            // Mock implementation
        }

        public String getIndex() {
            return "fess.suggest";
        }

        public long getAllWordsNum() {
            return 100L;
        }

        public long getDocumentWordsNum() {
            return 50L;

        // Align to 8-byte boundary
        ndrBuffer.setIndex(5);
        alignedBytes = ndrBuffer.align(8);
        assertEquals(3, alignedBytes); // Should advance by 3 bytes (5 -> 8)
        assertEquals(8, ndrBuffer.getIndex());
    }

    @Test
    void testEncDecNdrSmall() {
        ndrBuffer.enc_ndr_small(0xAB);
        assertEquals(1, ndrBuffer.getIndex());

                writer.write(runner.client(), suggester.settings(), suggester.getIndex(), new SuggestItem[] { item }, false);

        assertNotNull(result);
        assertFalse(result.hasFailure());

        runner.refresh();

        GetResponse getResponse =
                runner.client().prepareGet().setIndex(suggester.getIndex()).setId(item.getId()).get(TimeValue.timeValueSeconds(30));

    /**
     * Gets the OpenSearch index name.
     *
     * @return The index name.
     */
    public String getIndex() {
        return index;
    }

    /**
     * Sets the OpenSearch index name.
     *
     * @param index The index name.
     */
    public void setIndex(final String index) {
        this.index = index;
    }

    /**
     * Gets the scroll timeout in milliseconds.

        suggester.createIndexIfNothing();
        Thread.sleep(50);

        // Create additional update index (making 2 total)
        final String updateAlias = suggester.getIndex() + ".update";
        final String extraIndexName = suggester.getIndex() + ".extra";

        client.admin().indices().prepareCreate(extraIndexName).execute().actionGet();

        if (logger.isInfoEnabled()) {
            logger.info("Indexing from query logs: count={}, index={}", queryLogs.length, ctx.getIndex());
        }
        try {
            final long start = System.currentTimeMillis();
            Stream<QueryLog> stream = Stream.of(queryLogs);
            if (parallel) {