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

                waitingQueue.addAll(urlQueueList);

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

        }

            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())) {

                        }
                        return new BasicNameValuePair(name, value);
                    }).collect(Collectors.toList()));
            if (paramList != null) {
                parameters.addAll(
                        paramList.stream().map(p -> new BasicNameValuePair(p.getFirst(), p.getSecond())).collect(Collectors.toList()));
            }
            return new UrlEncodedFormEntity(parameters, encoding);

                }
            });
            set(defaultSettings);

            final List<Tuple<String, Object>> defaultArraySettings = defaultArraySettings();
            defaultArraySettings.addAll(arraySettings);
            defaultArraySettings.forEach(t -> array().add(t.v1(), t.v2()));
        }
    }

    /**
     * Retrieves a setting value by key.
     * @param key The key of the setting.