* @param sessionId the session ID (can be null for new sessions)
     * @param userMessage the user's message
     * @param userId the user ID (can be null for anonymous users)
     * @param fields the field filters (e.g., label)
     * @param extraQueries the extra query filters (e.g., filetype, timestamp)
     * @return the chat response including session info and sources
     */

   * encoding of each part occupies at least two bytes (dot plus label externally, length byte plus
   * label internally). Thus, if all labels have the minimum size of one byte, 127 of them will fit.
   */
  private static final int MAX_PARTS = 127;

  /**
   * Maximum length of a full domain name, including separators, and leaving room for the root
   * label. See <a href="http://www.ietf.org/rfc/rfc2181.txt">RFC 2181</a> part 11.
   */

                                <div class="row">
                                    <div class="col-sm-12">
                                        <table class="table table-bordered table-striped" aria-label="<la:message key="labels.dict_mapping_list" />">
                                            <thead>
                                            <tr>

                                <div class="row">
                                    <div class="col-sm-12">
                                        <table class="table table-bordered table-striped" aria-label="<la:message key="labels.dict_protwords_list" />">
                                            <thead>
                                            <tr>

      var certificatePem: String? = null
      var pkcs8Base64: String? = null
      for (match in PEM_REGEX.findAll(certificateAndPrivateKeyPem)) {
        when (val label = match.groups[1]!!.value) {
          "CERTIFICATE" -> {
            require(certificatePem == null) { "string includes multiple certificates" }

- `GET /json/?q={query}` (legacy, for backward compatibility)

**Parameters**:
- `q` - Query string
- `num` - Results per page (default: 20)
- `start` - Starting offset (default: 0)
- `fields.label` - Label filter
- `lang` - Language preference

**Example**:
```bash
# Using the recommended endpoint
curl "http://localhost:8080/api/v1/documents?q=search&num=10"

# Or using the legacy endpoint

            return entity;
        });
    }

    /**
     * Registers label type data for rendering in the view.
     *
     * @param data render data to populate with label information
     */
    protected void registerLabels(final RenderData data) {
        RenderDataUtil.register(data, "labelTypeItems", labelTypeService.getLabelTypeList());

            return entity;
        });
    }

    /**
     * Registers available roles and labels for use in web config forms.
     * Includes role types, label types, and label setting configuration.
     *
     * @param data the render data to register the roles and labels with
     */
    protected void registerRolesAndLabels(final RenderData data) {

                                <div class="row">
                                    <div class="col-sm-12">
                                        <table class="table table-bordered table-striped" aria-label="<la:message key="labels.dict_synonym_list" />">
                                            <thead>
                                            <tr>

            public String getIndexFieldCache() {
                return "cache";
            }

            @Override
            public String getIndexFieldLabel() {
                return "label";
            }

            @Override
            public String getIndexFieldSegment() {
                return "segment";
            }

            @Override