code: public static HighTideNode createHighTideNode(String argv[],
                                          Configuration conf) throws IOException {
      if (conf == null) {
        conf = new Configuration();
      }
      StartupOption startOpt = parseArguments(argv);
      if (startOpt == null) {
        printUsage();
        return null;
      }
      setStartupOption(conf, startOpt);
      HighTideNode node = new HighTideNode(conf);
      return node;
    }
docs: Create an instance of the HighTideNode