source.put(FieldNames.TEXT, "test text");
        source.put(FieldNames.DOC_FREQ, 10L);
        source.put(FieldNames.QUERY_FREQ, 5L);
        source.put(FieldNames.USER_BOOST, 1.5f);
        source.put(FieldNames.FIELDS, Arrays.asList("field1"));
        source.put(FieldNames.TAGS, Arrays.asList("tag1"));
        source.put(FieldNames.ROLES, Arrays.asList("role1"));

            logger.info("Deleting old words: index={}, threshold={}", index, threshold);
        }
        final long start = System.currentTimeMillis();
        final String query = FieldNames.TIMESTAMP + ":[* TO " + threshold.toInstant().toEpochMilli() + "] NOT " + FieldNames.KINDS + ':'
                + SuggestItem.Kind.USER;
        deleteByQuery(index, query);
        return new SuggestDeleteResponse(null, System.currentTimeMillis() - start);
    }

        boolQueryBuilder
                .must(QueryBuilders.rangeQuery(FieldNames.TIMESTAMP).lt(time.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli()));

        boolQueryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.DOCUMENT.toString()));
        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));

        assertNotNull(map);
        assertEquals("", map.get(FieldNames.TEXT)); // Empty string for empty map
        assertEquals(0L, map.get(FieldNames.QUERY_FREQ));
        assertEquals(0L, map.get(FieldNames.DOC_FREQ));
        assertEquals(1.0f, map.get(FieldNames.USER_BOOST));
        assertNotNull(map.get(FieldNames.READING_PREFIX + "0"));
        assertNotNull(map.get(FieldNames.FIELDS));
        assertNotNull(map.get(FieldNames.TAGS));

        source.put(FieldNames.TEXT, "test");
        source.put(FieldNames.QUERY_FREQ, 100L);
        source.put(FieldNames.DOC_FREQ, 50L);
        source.put(FieldNames.USER_BOOST, 2.0f);
        source.put(FieldNames.READING_PREFIX + "0", Arrays.asList("reading1"));
        source.put(FieldNames.FIELDS, Arrays.asList("field1"));
        source.put(FieldNames.TAGS, Arrays.asList("tag1"));

        queryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));
        queryBuilder.mustNot(QueryBuilders.existsQuery(FieldNames.READING_PREFIX + "1"));
        queryBuilder.must(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(queryFreqThreshold));
        if (!tags.isEmpty()) {
            queryBuilder.must(QueryBuilders.termsQuery(FieldNames.TAGS, tags));
        }
        if (!roles.isEmpty()) {

                    value);
        }

        final Map<String, Object> source = new HashMap<>();
        source.put(FieldNames.ARRAY_KEY, key);
        source.put(FieldNames.ARRAY_VALUE, value);
        source.put(FieldNames.TIMESTAMP, DateTimeFormatter.ISO_INSTANT.format(ZonedDateTime.now()));

        addToArrayIndex(arraySettingsIndexName, settingsId, createId(key, value), source);
    }

        map.put(FieldNames.TEXT, StringUtil.EMPTY);

        for (int i = 0; i < readings.length; i++) {
            map.put(FieldNames.READING_PREFIX + i, new String[] {});
        }

        map.put(FieldNames.FIELDS, new String[] {});
        map.put(FieldNames.TAGS, new String[] {});
        map.put(FieldNames.ROLES, new String[] {});
        map.put(FieldNames.LANGUAGES, new String[] {});

                    final String fieldReadingAnalyzer = source.get(FieldNames.ANALYZER_SETTINGS_READING_ANALYZER) == null ? null
                            : source.get(FieldNames.ANALYZER_SETTINGS_READING_ANALYZER).toString();
                    final String fieldReadingTermAnalyzer = source.get(FieldNames.ANALYZER_SETTINGS_READING_TERM_ANALYZER) == null ? null
                            : source.get(FieldNames.ANALYZER_SETTINGS_READING_TERM_ANALYZER).toString();

                    elevateWord.getElevateWord(), elevateWord.getBoost());
        }

        final Map<String, Object> source = new HashMap<>();
        source.put(FieldNames.ARRAY_KEY, ELEVATE_WORD_SETTINGS_KEY);
        source.put(FieldNames.ARRAY_VALUE, elevateWord.getElevateWord());
        source.put(ELEVATE_WORD_BOOST, elevateWord.getBoost());
        source.put(ELEVATE_WORD_READING, elevateWord.getReadings());