runtime.registerData("fesenType", fessConfig.getFesenType());
        final String forumLink = systemHelper.getForumLink();
        if (StringUtil.isNotBlank(forumLink)) {
            runtime.registerData("forumLink", forumLink);
        }
    }

    /**
     * Get the action role.
     * @return The action role.
     */

    String ONLINE_HELP_SUPPORTED_LANGS = "online.help.supported.langs";

    /** The key of the configuration. e.g. https://discuss.codelibs.org/c/Fess{lang}/ */
    String FORUM_LINK = "forum.link";

    /** The key of the configuration. e.g. en,ja */
    String FORUM_SUPPORTED_LANGS = "forum.supported.langs";

    /** The key of the configuration. e.g. 0 */