code: @Override
      public int getNbLines() {
          try {
              return Integer.parseInt(httpService.get(this.norauiWebServicesApi, scenarioName + "/nbLines")) + 1;
          } catch (TechnicalException | NumberFormatException | HttpServiceException e) {
              logger.error("getNbLines error", e);
              return 0;
          }
  
      }
docs: {@inheritDoc}