private static double getTimeout(CommandLine cl) throws ParseException {
        Number timeoutObj = (Number) cl.getParsedOptionValue(TIMEOUT_OPTION);
        return timeoutObj != null ? timeoutObj.doubleValue() : 0;
    }
This class is responsible for parsing the command line arguments and print the help page.

@author bjorncs
vespaclient-java/src/main/java/com/yahoo/vespaget/CommandLineOptions.java