/**
     * Default constructor for RelatedQueryHelper.
     * Initializes the helper with an empty related query map.
     */
    public RelatedQueryHelper() {
        super();
    }

    /**
     * Initializes the RelatedQueryHelper after dependency injection is complete.
     * This method is called automatically by the dependency injection framework

            return;
        }

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

        String query = null;