protected Hashtable<String, String> createAdminEnv() {
        return createEnvironment(//
                fessConfig.getLdapInitialContextFactory(), //
                fessConfig.getLdapSecurityAuthentication(), fessConfig.getLdapProviderUrl(), //
                fessConfig.getLdapAdminSecurityPrincipal(), //
                fessConfig.getLdapAdminSecurityCredentials());
    }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String refresh = StringUtil.isNotBlank(fessConfig.getIndexReindexRefresh()) ? fessConfig.getIndexReindexRefresh() : null;
        final String requestsPerSecond = getReindexRequestsPerSecound(fessConfig);
        final String scroll = StringUtil.isNotBlank(fessConfig.getIndexReindexScroll()) ? fessConfig.getIndexReindexScroll() : null;

        private final FessConfig fessConfig;

        private int startPosition = -1;

        private int offset = -1;

        private int pageSize = -1;

        protected JsonRequestParams(final HttpServletRequest request, final FessConfig fessConfig) {
            this.request = request;
            this.fessConfig = fessConfig;
        }

        @Override