if (StringUtil.isNotBlank(query)) {
                if (ComponentUtil.hasRelatedQueryHelper()) {
                    final RelatedQueryHelper relatedQueryHelper = ComponentUtil.getRelatedQueryHelper();
                    final String[] relatedQueries = relatedQueryHelper.getRelatedQueries(query);
                    if (relatedQueries.length == 0) {
                        appendQuery(queryBuf, query);

        updateConfigListenerMap.put("RelatedContent", () -> Integer.toString(ComponentUtil.getRelatedContentHelper().load()));
        updateConfigListenerMap.put("RelatedQuery", () -> Integer.toString(ComponentUtil.getRelatedQueryHelper().load()));
        updateConfigListenerMap.put("KeyMatch", () -> Integer.toString(ComponentUtil.getKeyMatchHelper().load()));
    }

    /**
     * Parses project properties from the given path.
     *

        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final RelatedQueryHelper relatedQueryHelper = ComponentUtil.getRelatedQueryHelper();
        final RelatedContentHelper relatedContentHelper = ComponentUtil.getRelatedContentHelper();

        String query = null;
        final StringBuilder buf = new StringBuilder(1000);