code: private void initProperties(int interval)
    {
      // Limit to 1 .. MAXIMUM_INTERVAL
      if (interval > MAXIMUM_INTERVAL) interval = MAXIMUM_INTERVAL;
      if (interval < 1) interval = 1;
      _interval = interval;
    }
docs: Initialize this instance of an AbstractForAWhileSuppressor.
  @param interval How long "a while" is (measured in minutes)