code: private void insertBlankStopTimes(
          List<String> tripIds,
          List<PatternStop> newStops,
          int startingStopSequence,
          int stopTimesToAdd,
          Connection connection
      ) throws SQLException {
          if (tripIds.isEmpty()) {
              // There is no need to insert blank stop times if there are no trips for the pattern.
              return;
          }
          String insertSql = Table.STOP_TIMES.generateInsertSql(tablePrefix, true);
          PreparedStatement insertStatement = connection.prepareStatement(insertSql);
          int count = 0;
          int totalRowsUpdated = 0;
          // Create a new stop time for each sequence value (times each trip ID) that needs to be inserted.
          for (int i = startingStopSequence; i < stopTimesToAdd + startingStopSequence; i++) {
              PatternStop patternStop = newStops.get(i);
              StopTime stopTime = new StopTime();
              stopTime.stop_id = patternStop.stop_id;
              stopTime.drop_off_type = patternStop.drop_off_type;
              stopTime.pickup_type = patternStop.pickup_type;
              stopTime.timepoint = patternStop.timepoint;
              stopTime.shape_dist_traveled = patternStop.shape_dist_traveled;
              stopTime.stop_sequence = i;
              // Update stop time with each trip ID and add to batch.
              for (String tripId : tripIds) {
                  stopTime.trip_id = tripId;
                  stopTime.setStatementParameters(insertStatement, true);
                  insertStatement.addBatch();
                  if (count % INSERT_BATCH_SIZE == 0) {
                      int[] rowsUpdated = insertStatement.executeBatch();
                      totalRowsUpdated += rowsUpdated.length;
                  }
              }
          }
          int[] rowsUpdated = insertStatement.executeBatch();
          totalRowsUpdated += rowsUpdated.length;
          LOG.info("{} blank stop times inserted", totalRowsUpdated);
      }
docs: You must call this method after updating sequences for any stop times following the starting stop sequence to
  avoid overwriting these other stop times.