System.err.println(MESSAGES.argumentExpected(arg, usageNote())); return null; System.err.println(MESSAGES.argumentExpected(arg, usageNote())); return null; System.err.println(MESSAGES.argumentExpected(arg, usageNote())); return null; System.err.println(MESSAGES.argumentExpected(arg, usageNote())); return null; System.err.println(MESSAGES.argumentExpected(arg, usageNote())); return null;