docs: private SpdLong getSpdLong() {
          myValue.reset(false);
          for (int i = 0; i < members.size(); i++) {
              Object member = members.get(i);
              if (member == null)
                  continue;
              if (member instanceof SpdLong) {
                  myValue.combine((SpdLong) member);
              } else { // SpdLongAggregate
                  myValue.combine(((SpdLongAggregate) member).getSpdLong());
              }
          }
          return myValue;
      }