code: public ProcessExecutor exitValues(int[] exitValues) {
      if (exitValues == null)
        return exitValueAny();
      // Convert int[] -> Integer[]
      Integer[] array = new Integer[exitValues.length];
      for (int i = 0; i < array.length; i++)
        array[i] = exitValues[i];
      return exitValues(array);
    }
docs: Sets the allowed exit values for the process being executed.
  
  @param exitValues set of exit values or <code>null</code> if all exit values are allowed.
  @return This process executor.