code: @Override
    protected Options getOptions() {
      final Options options = super.getOptions();
  
      final Option filenameOption =
          new Option("k", "the keyword to search for in the page  [required]");
      filenameOption.setArgName("KEYWORD");
      filenameOption.setLongOpt("keyword");
      filenameOption.setRequired(true);
      filenameOption.setArgs(1);
  
      options.addOption(filenameOption);
  
      return options;
  
    }
docs: Get the options.
  
  @return the specific CrawlToCsv options