fix (facade): `--help` is handled by `usageHelp=true`, not unused.
@CommandLine.Command(name = "terasology")
public final class Terasology implements Callable<Integer> {
+ @SuppressWarnings("unused")
@Option(names = {"--help", "-help", "/help", "-h", "/h", "-?", "/?"}, usageHelp = true, description = "show help")
private boolean helpRequested;
