docs: synchronized void pushPair(Session session, Object[] row1, Object[] row2) {
  
          if (maxRowsQueued == 0) {
              trigger.fire(triggerType, name.name, table.getName().name, row1,
                           row2);
  
              return;
          }
  
          if (rowsQueued >= maxRowsQueued) {
              if (nowait) {
                  pendingQueue.removeLast();    // overwrite last
              } else {
                  try {
                      wait();
                  } catch (InterruptedException e) {
  
                      /* ignore and resume */
                  }
  
                  rowsQueued++;
              }
          } else {
              rowsQueued++;
          }
  
          pendingQueue.add(new TriggerData(session, row1, row2));
          notify();    // notify pop's wait
      }