Map<String, Object> source;
        while ((source = reader.read()) != null) {
            assertTrue(source.get("field1").toString().startsWith("test"));
            valueSet.add(source.get("field1").toString());
            count++;
        }
        assertEquals(num, count);
        assertEquals(num, valueSet.size());
    }

    @Test

    /** List of additional default fields with their boost values */
    protected List<Pair<String, Float>> additionalDefaultList = new ArrayList<>();

    /**
     * Initializes the query field configuration by loading field mappings from FessConfig.
     * This method is called after dependency injection is complete.
     * It sets up response fields, search fields, facet fields, sort fields, and other

# Field name for document ID in the index.
index.field.doc_id=doc_id
# Field name for internal ID in the index.
index.field.id=_id
# Field name for version in the index.
index.field.version=_version
# Field name for sequence number in the index.
index.field.seq_no=_seq_no
# Field name for primary term in the index.
index.field.primary_term=_primary_term
# Field name for language in the index.
index.field.lang=lang

     * Removes surrounding quotes from a field value.
     *
     * @param field the field value
     * @return the unquoted field value
     */
    protected String unquoteField(final String field) {
        if (QUOTED_FIELD_PATTERN.matcher(field).matches()) {
            return field.substring(1, field.length() - 1).replace("\"\"", "\"");
        }
        return field;
    }

    /**

            parser.setDefaultOperator(StandardQueryConfigHandler.Operator.AND);

            // Parse with the first field if available, otherwise use "default"
            String defaultField = fields != null && fields.length > 0 ? fields[0] : "default";
            termQueryList = getTermQueryList(parser.parse(q, defaultField), fields);
        } catch (final Exception e) {
            return keywords;
        }

                if (isExcludeSearchword(words[i], fields != null && fields.length > 0 ? fields[0] : "", langs, analyzer)) {
                    continue;
                }

                final String word = normalizer.normalize(words[i], fields != null && fields.length > 0 ? fields[0] : "", langs);
                final List<String> l = readingConverter.convert(word, fields != null && fields.length > 0 ? fields[0] : "", langs);

        final Iterator<Map.Entry<String, JsonNode>> fields = node.fields();
        while (fields.hasNext()) {
            final Map.Entry<String, JsonNode> field = fields.next();
            final String fieldName = field.getKey();
            final JsonNode fieldValue = field.getValue();

            final String currentKey = buildKey(parentKey, fieldName);

 * </ul>
 *
 * <p>Fields:
 * <ul>
 * <li>{@link #logger} - Logger instance.
 * <li>{@link #client} - OpenSearch client.
 * <li>{@link #index} - Index name.
 * <li>{@link #settings} - Suggest settings.
 * <li>{@link #supportedFields} - Supported fields for suggestions.
 * <li>{@link #tagFieldNames} - Tag field names.
 * <li>{@link #roleFieldName} - Role field name.

            final Map<String, String[]> fields = new HashMap<>();
            for (final Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
                final String key = entry.getKey();
                if (key.startsWith("fields.")) {
                    final String[] value = simplifyArray(entry.getValue());
                    fields.put(key.substring("fields.".length()), value);
                }

    /** The key of the configuration. e.g. url */
    String INDEX_FIELD_URL = "index.field.url";

    /** The key of the configuration. e.g. doc_id */
    String INDEX_FIELD_doc_id = "index.field.doc_id";

    /** The key of the configuration. e.g. _id */
    String INDEX_FIELD_ID = "index.field.id";

    /** The key of the configuration. e.g. _version */