docs: public synchronized void addBatch(String sql) throws SQLException {
  
          checkClosed();
  
          if (isEscapeProcessing) {
              sql = connection.nativeSQL(sql);
          }
  
          if (batchResultOut == null) {
              batchResultOut = Result.newBatchedExecuteRequest();
          }
          batchResultOut.getNavigator().add(new Object[] { sql });
      }