* @param paramValueStr the parameter value
*/
private static void checkAgainstAcceptableValues(AnnotatedElement target,
String paramValueStr) {
Param param = target.getAnnotation(Param.class);
String acceptable = param.acceptableValues();
String paramName = CommandModel.getParamName(param, target);
if (ok(acceptable) && ok(paramValueStr)) {
String[] ss = acceptable.split(",");