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

    protected abstract String getActionRole();

    protected void write(final String path, final byte[] data) {

					class="fa fa-play-circle"></a></li>
		</c:if>
		<c:if test="${not empty forumLink}">
			<li class="nav-item" data-toggle="tooltip" data-placement="left"
				title="<la:message key="labels.tooltip_forum" />"><a class="nav-link" href="${forumLink}" target="_forum"><em
					class="fas fa-comments"></a></li>
		</c:if>
		<c:if test="${not empty helpLink}">

    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 */