try {
            final String source = FileUtil.readUTF8(filePath);
            try (CurlResponse response =
                    ComponentUtil.getCurlHelper().post("/_configsync/file").param("path", path).body(source).execute()) {
                if (response.getHttpStatusCode() == 200) {
                    logger.info("Register {} to {}", path, indexName);
                    return true;

                "fess_config.crawling_info", //
                "fess_config.crawling_info_param", //
                "fess_config.data_config", //
                "fess_config.duplicate_host", //
                "fess_config.elevate_word", //
                "fess_config.elevate_word_to_label", //
                "fess_config.failure_url", //
                "fess_config.file_authentication", //

      if (childItr.hasNext()) {
        stack.addLast(childItr);
      }
      return result;
    }
  }

  /**
   * Returns an unmodifiable iterable over the nodes in a tree structure, using post-order
   * traversal. That is, each node's subtrees are traversed before the node itself is returned.
   *
   * <p>No guarantees are made about the behavior of the traversal when nodes change while iteration

        // logger.debug(response.asString());
        return response;
    }

    protected Response checkPostMethod(final Map<String, Object> body, final String path) {
        Response response = checkMethodBase(body).post(getApiPath() + "/" + path);
        // logger.debug(response.asString());
        return response;
    }

    protected Response checkDeleteMethod(final String path) {

    public static EsStatusPostcard droppedInto(Postbox postbox, MPCall<EsStatusPostcard> postcardLambda) {
        EsStatusPostcard postcard = new EsStatusPostcard();
        postcardLambda.write(postcard);
        postbox.post(postcard);
        return postcard;
    }

    // ===================================================================================
    //                                                                           Meta Data

    protected static final String RESULT_FIELD = "result";

    private static final String DOC_ID_FIELD = "doc_id";

    protected static final String GET = "GET";

    protected static final String POST = "POST";

    protected String mimeType = "application/json";

    public SearchApiManager() {
        setPathPrefix("/api/v1");
    }

    @PostConstruct
    public void register() {

    String API_PING_search_engine_FIELDS = "api.ping.search_engine.fields";

    /** The key of the configuration. e.g.  */
    String VIRTUAL_HOST_HEADERS = "virtual.host.headers";

    /** The key of the configuration. e.g.  */
    String HTTP_PROXY_HOST = "http.proxy.host";

    /** The key of the configuration. e.g. 8080 */
    String HTTP_PROXY_PORT = "http.proxy.port";

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

        defaultSettings.put("onelogin.saml2.sp.assertion_consumer_service.url", "http://localhost:8080/sso/");
        defaultSettings.put("onelogin.saml2.sp.assertion_consumer_service.binding", "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST");
        defaultSettings.put("onelogin.saml2.sp.single_logout_service.url", "http://localhost:8080/sso/logout");

        assertEquals("subscribe@", pom.getValue("mailingLists[1]/subscribe"));
        assertEquals("unsubscribe@", pom.getValue("mailingLists[1]/unsubscribe"));
        assertEquals("post@", pom.getValue("mailingLists[1]/post"));
        assertEquals("mail-archive", pom.getValue("mailingLists[1]/archive"));
        assertEquals(1, ((List<?>) pom.getValue("mailingLists[1]/otherArchives")).size());

     * already have to deal with, thanks to DI frameworks that perform field and method injection,
     * frameworks like Android that define post-construct hooks like Activity.onCreate, etc.
     */

    @CheckForNull private ValueSetLink<K, V> predecessorInValueSet;
    @CheckForNull private ValueSetLink<K, V> successorInValueSet;