}

        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);

        // Group archived keys by session
        for (String key : sessionKeys.keySet()) {
            if (key.contains(".v")) {
                String baseSession = key.substring(0, key.indexOf(".v"));
                sessionArchives.computeIfAbsent(baseSession, k -> new java.util.ArrayList<>()).add(key);
            }
        }

        // Remove old versions
        int removed = 0;

import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Job for exporting indexed search documents to the filesystem.
 * Each document is exported as a single file with URL structure mapped to directory structure.
 */
public class IndexExportJob {

        }

        private String insertRepositoryKey(String filename, String repositoryKey) {
            String result;
            int idx = filename.indexOf('.');
            if (idx < 0) {
                result = filename + '-' + repositoryKey;
            } else {
                result = filename.substring(0, idx) + '-' + repositoryKey + filename.substring(idx);

        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        assertThat(list.indexOf(null), is(0));
        assertThat(list.indexOf("1"), is(1));
        assertThat(list.indexOf("2"), is(2));
        assertThat(list.indexOf("3"), is(3));
        assertThat(list.indexOf("4"), is(-1));
    }

	g := errgroup.WithNErrs(len(sys.peerClients))
	for index, client := range sys.peerClients {
		if client == nil {
			continue
		}
		index := index
		g.Go(func() error {
			var err error
			reply[index], err = sys.peerClients[index].GetCPUs(ctx)
			return err
		}, index)
	}

	for index, err := range g.Wait() {
		if err != nil {
			sys.addNodeErr(&reply[index], sys.peerClients[index], err)
		}
	}

		}
	}
	partSkip = offset - skipLength

	// Load index and skip more if feasible.
	if partSkip > 0 && len(oi.Parts) > firstPartIdx && len(oi.Parts[firstPartIdx].Index) > 0 {
		_, isEncrypted := crypto.IsEncrypted(oi.UserDefined)
		if isEncrypted {
			dec, err := decrypt(oi.Parts[firstPartIdx].Index)
			if err == nil {
				// Load Index
				var idx s2.Index
				_, err := idx.Load(s2.RestoreIndexHeaders(dec))

            if (!hasRelevant) {
                return RelevanceEvaluationResult.noRelevantResults();
            }

            final List<Integer> indexes = extractJsonIntArray(response, "relevant_indexes");
            final List<String> docIds = indexes.stream()
                    .filter(i -> i > 0 && i <= searchResults.size())
                    .map(i -> getStringValue(searchResults.get(i - 1), "doc_id"))

	Name8        string `gorm:"index:,length:10;index:,collate:utf8"`

	CompName1 string `gorm:"index:,unique,composite:idx_compname_1,option:NULLS NOT DISTINCT;not null"`
	CompName2 string `gorm:"index:,composite:idx_compname_1"`

	// Composite Index: Flattened structure.
	Data0A string `gorm:"index:,composite:comp_id0"`
	Data0B string `gorm:"index:,composite:comp_id0"`

	// Composite Index: Nested structure.

   * @param index the index of the first character to decode
   * @param end the index beyond the last valid character to decode
   * @return the Unicode code point for the given index or the negated value of the trailing high
   *     surrogate character at the end of the sequence
   */
  protected static int codePointAt(CharSequence seq, int index, int end) {
    checkNotNull(seq);