docs: public static List<String> extractAttributeEmptyCheck(SearchCursor cursor, String attributeType) {
          List<String> result = new LinkedList<String>();
          try {
              while (cursor.next()) {
                  Entry entry = cursor.getEntry();
                  result.add(extractAttributeEmptyCheck(entry, attributeType));
              }
          } catch (Exception e) {
              throw new LdapRuntimeException(e);
          }
          return result;
      }