if (browseType == Browse.SUBJECTS_BROWSE) { return "sort_subject"; }  if (browseType == Browse.ITEMS_BY_SUBJECT_BROWSE) { return "sort_subject"; }
    public static String getValueColumn(BrowseScope scope)    {        int browseType = scope.getBrowseType();        if (browseType == Browse.AUTHORS_BROWSE)        {            return "sort_author";        }        if (browseType == Browse.ITEMS_BY_AUTHOR_BROWSE)        {            return "sort_author";        }        if (browseType == Browse.ITEMS_BY_DATE_BROWSE)        {            return "date_issued";        }        // Note that we use the normalized form of the title        if (browseType == Browse.ITEMS_BY_TITLE_BROWSE)        {            return "sort_title";        }        throw new IllegalArgumentException("Unknown browse type: " + browseType);    }