fessConfig.getIndexFieldMimetype(), //
                    fessConfig.getIndexFieldFiletype(), //
                    fessConfig.getIndexFieldFilename(), //
                    fessConfig.getIndexFieldLabel(), //
                    fessConfig.getIndexFieldSegment(), //
                    fessConfig.getIndexFieldAnchor(), //
                    fessConfig.getIndexFieldClickCount(), //

            final String[] oldLabels = DocumentUtil.getValue(dataMap, fessConfig.getIndexFieldLabel(), String[].class);
            StreamUtil.stream(oldLabels).of(stream -> stream.forEach(newLabelSet::add));
            matchedLabelSet.stream().forEach(newLabelSet::add);
            dataMap.put(fessConfig.getIndexFieldLabel(), newLabelSet.toArray(new String[newLabelSet.size()]));
        }

                        final Set<String> labelSet = labelTypeHelper.getMatchedLabelValueSet(url);
                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");
                        return builder.setScript(script);
                    }

        // label: labelType
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        putResultDataBody(dataMap, fessConfig.getIndexFieldLabel(), labelTypeHelper.getMatchedLabelValueSet(url));
        // role: roleType
        final List<String> roleTypeList = getRoleTypes(responseData);

        //  boost
        putResultDataBody(dataMap, fessConfig.getIndexFieldBoost(), crawlingConfig.getDocumentBoost());
        // label: labelType
        putResultDataBody(dataMap, fessConfig.getIndexFieldLabel(), labelTypeHelper.getMatchedLabelValueSet(url));
        // role: roleType
        final List<String> roleTypeList = new ArrayList<>();

     * The value is, e.g. label <br>
     * comment: Field name for label in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldLabel();

    /**
     * Get the value for the key 'index.field.mimetype'. <br>
     * The value is, e.g. mimetype <br>
     * comment: Field name for MIME type in the index.