tksk

if(Settings._.hasError()){
  System.err.println("something wrong.");
}

System.out.println("main.foo: " + Settings.main$foo.value());
System.out.println("main.bar: " + Settings.main$bar.value());
System.out.println("sub.buz: " + Settings.sub$buz.value());
System.out.println("sub.quux: " + Settings.sub$quux.value());