code: public static void main(String[] args) {
      PrintWriter stdout = new PrintWriter(System.out, true);
      PrintWriter stderr = new PrintWriter(System.err, true);
      int code = 1; // pessimism!
  
      try {
        exitlessMain(args, stdout, stderr);
        code = 0;
  
      } catch (InvalidCommandException e) {
        e.display(stderr);
        code = e.exitCode();
  
      } catch (InvalidBenchmarkException e) {
        e.display(stderr);
  
      } catch (InvalidConfigurationException e) {
        e.display(stderr);
  
      } catch (Throwable t) {
        t.printStackTrace(stderr);
        stdout.println();
        stdout.println("An unexpected exception has been thrown by the caliper runner.");
        stdout.println("Please see https://sites.google.com/site/caliperusers/issues");
      }
  
      stdout.flush();
      stderr.flush();
      System.exit(code);
    }
docs: Entry point for the caliper benchmark runner application; run with {@code --help} for details.