docs: public static void hiddenFromEncodedString(ProjectFilterSettings result, String s) {
  
          if (s.length() > 0) {
              int bar = s.indexOf(FIELD_DELIMITER);
              String categories;
              if (bar >= 0) {
                  categories = s.substring(0, bar);
              } else {
                  categories = s;
              }
              StringTokenizer t = new StringTokenizer(categories, LISTITEM_DELIMITER);
              while (t.hasMoreTokens()) {
                  String category = t.nextToken();
                  result.removeCategory(category);
              }
          }
  
      }