if (searchEngineClient.copyDocIndex(fromIndex, toIndex, replaceAliases) && replaceAliases
                        && !searchEngineClient.updateAlias(toIndex)) {
                    logger.warn("Failed to update aliases for {} and {}", fromIndex, toIndex);
                }
            }, e -> logger.warn("Failed to reindex from {} to {}", fromIndex, toIndex, e)));
            return true;

        if (logger.isDebugEnabled()) {
            logger.debug("update script: {}", buf);
        }
        return new Script(buf.toString());
    }

    /**
     * Returns the reindex script source.
     *
     * @return The reindex script source.
     */
    public String getReindexScriptSource() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

                .replace("__DEST_INDEX__", toIndex);
        return reindex(fromIndex, toIndex, source, waitForCompletion);
    }

    /**
     * Performs a reindex operation with custom source configuration.
     *
     * @param fromIndex        the source index name
     * @param toIndex          the destination index name
     * @param source           the reindex configuration JSON

index.reindex.refresh=false
# Timeout for reindex operations.
index.reindex.timeout=1m
# Scroll timeout for reindex operations.
index.reindex.scroll=5m
# Maximum number of documents for reindex operations.
index.reindex.max_docs=

# query

# Maximum length of search queries.
query.max.length=1000
# Timeout (ms) for search queries.
query.timeout=10000
# Whether to enable logging for query timeouts.

    String INDEX_REINDEX_requests_per_second = "index.reindex.requests_per_second";

    /** The key of the configuration. e.g. false */
    String INDEX_REINDEX_REFRESH = "index.reindex.refresh";

    /** The key of the configuration. e.g. 1m */
    String INDEX_REINDEX_TIMEOUT = "index.reindex.timeout";

    /** The key of the configuration. e.g. 5m */
    String INDEX_REINDEX_SCROLL = "index.reindex.scroll";

				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>percolator-client</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>reindex-client</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>mapper-extras-client</artifactId>
				</exclusion>
				<exclusion>

    private final ImmutableMap<K, Integer> keyIndex;

    private ArrayMap(ImmutableMap<K, Integer> keyIndex) {
      this.keyIndex = keyIndex;
    }

    @Override
    public Set<K> keySet() {
      return keyIndex.keySet();
    }

    K getKey(int index) {
      return keyIndex.keySet().asList().get(index);
    }

    abstract String getKeyRole();

        }

        public E get(final int index) {
            return parent.get(index);
        }

        public E set(final int index, final E element) {
            return parent.set(index, element);
        }

        public void add(final int index, final E element) {
            parent.add(index, element);
        }

        public E remove(final int index) {
            return parent.remove(index);

        }

        public E get(final int index) {
            return parent.get(index);
        }

        public E set(final int index, final E element) {
            return parent.set(index, element);
        }

        public void add(final int index, final E element) {
            parent.add(index, element);
        }

        public E remove(final int index) {
            return parent.remove(index);

                                final String index = indexObj.get("_index");
                                if (index != null) {
                                    if (index.startsWith(".fess")) {
                                        indexObj.put("_index", index.substring(1));
                                    }
                                    if (index.endsWith("scheduled_job")) {