code: void printUsageInfo() {
          StringBuilder usage = new StringBuilder();
          usage.append("  System Properties: \n");
          usage.append("    -DselionHome=<folderPath>: \n");
          usage.append("       Path of SeLion home directory. Defaults to <user.home>/.selion2/ \n");
          usage.append("    -D[property]=[value]: \n");
          usage.append("       Any other System Property you wish to pass to the JVM \n");
  
          System.out.print(usage.toString());
      }
docs: Print the usage of SeLion Grid jar