protected final List<UnaryOperator<String>> docMappingRewriteRuleList = new ArrayList<>();

    protected boolean usePipeline = false;

    public void addIndexConfig(final String path) {
        indexConfigList.add(path);
    }

    public void addConfigFile(final String index, final String path) {
        configListMap.computeIfAbsent(index, k -> new ArrayList<>()).add(path);