if (indexMappings == null || !indexMappings.containsKey("properties")) {
            String source = null;
            final String mappingFile = getResourcePath(indexConfigPath, fessConfig.getFesenType(), "/" + index + "/" + docType + ".json");
            try {
                source = FileUtil.readUTF8(mappingFile);
                if (DOC_INDEX.equals(index)) {
                    for (final UnaryOperator<String> rule : docMappingRewriteRuleList) {

    public static final String LABELS_STEMMER_OVERRIDE_FILE = "{labels.stemmerOverrideFile}";

    /** The key of the message: Mapping File */
    public static final String LABELS_MAPPING_FILE = "{labels.mappingFile}";

    /** The key of the message: Protwords File */
    public static final String LABELS_PROTWORDS_FILE = "{labels.protwordsFile}";

    /** The key of the message: Kuromoji File */