void addResult(final Argument arg, final String[] paramValues) {
    List<String[]> list = values.get(arg);
    if (list == null) {
      list = new ArrayList<>();
      list.add(paramValues);
      values.put(arg, list);
    } else {
      list.add(paramValues);
    }
  }
Sets the data values found for a specific argument.

@param arg argument
@param paramValues parameter values for the argument
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/args/ArgumentValues.java