super(indexSettings, name, settings);
        List<String> wordList = Analysis.parseWordList(env, settings, "stoptags", s -> s);
        if (wordList != null) {
            stopTags.addAll(wordList);
        } else {
            stopTags.addAll(JapaneseAnalyzer.getDefaultStopTags());
        }
    }

    @Override
    public TokenStream create(TokenStream tokenStream) {

            while ((s = queue.poll()) != null && convertedTexts.size() <= getMaxReadingNum()) {
                final List<String> results = converter.convert(s, field, lang);
                convertedTexts.addAll(results);
            }
            queue.addAll(convertedTexts);
        }

        return convertedTexts;
    }

    /**
     * Adds a converter to the chain.
     * @param converter The converter to add.
     */

            return newKinds;
        }
        if (newKinds == null) {
            return kinds;
        }

        final List<Kind> list = new ArrayList<>(kinds.length + newKinds.length);
        list.addAll(Arrays.asList(kinds));
        for (final Kind kind : newKinds) {
            if (!list.contains(kind)) {
                list.add(kind);
            }
        }
        return list.toArray(new Kind[list.size()]);

     * Add child URLs.
     * @param c the collection of request data to add to the child URL set
     */
    public void addAllUrl(final Collection<RequestData> c) {
        if (c != null) {
            childUrlSet.addAll(c);
        }
    }

    /**
     * Remove a child URL.
     * @param url the request data to remove from the child URL set
     */
    public void removeUrl(final RequestData url) {

                    } catch (final Exception e) {
                        throw new OpenSearchAccessException("Failed to delete " + urlQueueList, e);
                    }
                }

                waitingQueue.addAll(urlQueueList);

                urlQueue = waitingQueue.poll();
                if (urlQueue == null) {
                    return null;
                }
            }

        }

        final List<String> tagList = new ArrayList<>();
        for (final String tagFieldName : tagFieldNames) {
            tagList.addAll(Arrays.asList(SuggestUtil.parseQuery(queryString, tagFieldName)));
            if (filterQueryString != null) {
                tagList.addAll(Arrays.asList(SuggestUtil.parseQuery(filterQueryString, tagFieldName)));
            }
        }

                    for (final StringBuilder buf : tmpBufList) {
                        buf.append(alphabets[j]);
                    }
                    bufList.addAll(tmpBufList);
                }
            }
        }

        for (final StringBuilder buf : bufList) {
            String s = fullWidthHalfWidth.transliterate(buf.toString());

                                final String[] values = metadata.getValues(name);
                                if (values != null) {
                                    Collections.addAll(list, values);
                                }
                            }
                        }
                        if (!list.isEmpty()) {

     */
    protected SuggestDeleteResponse(final List<Throwable> errors, final long took) {
        this.took = took;
        if (errors != null && !errors.isEmpty()) {
            this.errors.addAll(errors);
        }
    }

    /**
     * Checks if the response has any errors.
     * @return True if there are errors, false otherwise.
     */
    public boolean hasError() {

            for (final BooleanClause clause : clauses) {
                final Query q = clause.query();
                if (q instanceof BooleanQuery) {
                    queryList.addAll(getTermQueryList(q, fields));
                } else if (q instanceof final TermQuery termQuery) {
                    for (final String field : fields) {
                        if (field.equals(termQuery.getTerm().field())) {