Main { public static void main(String... args) throws Exception { FtrlOptions ftrlOptions; try { ftrlOptions = CliFactory.parseArguments(FtrlOptions.class, args); } catch (ArgumentValidationException e) { System.out.println(e.getMessage()); return; } if (ftrlOptions.featureEngineering()) { runFeatureEngineering(ftrlOptions); } else { runFtrlProximal(ftrlOptions); } }  static void main(String... args); static void runFeatureEngineering(FtrlOptions ftrlOptions); static double runFtrlProximal(FtrlOptions ftrlOptions);  }
@Test public void testMain() throws Exception { Main.main("--help"); }