final String baseDn = fessConfig.getLdapBaseDn();
            final String accountFilter = fessConfig.getLdapAccountFilter();
            final String groupFilter = fessConfig.getLdapGroupFilter();
            if (StringUtil.isNotBlank(baseDn) && StringUtil.isNotBlank(accountFilter)) {
                final LdapManager ldapManager = ComponentUtil.getLdapManager();

            }

            @Override
            public String getLdapAccountFilter() {
                return "(uid=%s)";
            }

            @Override
            public String getLdapGroupFilter() {
                return "(memberOf=%s)";
            }

            @Override
            public String getRoleSearchUserPrefix() {
                return "U";
            }
        });

    }

    default void setLdapGroupFilter(final String value) {
        setSystemProperty(Constants.LDAP_GROUP_FILTER, value);
    }

    default String getLdapGroupFilter() {
        return getSystemProperty(Constants.LDAP_GROUP_FILTER, StringUtil.EMPTY);
    }

    default void setNotificationLogin(final String value) {