docs: private static long parseToTimeMillis(String dateStr, TimeZone tz) {
  		String format;
  		if (dateStr.length() <= 10) {
  			format = DATE_FORMAT_STRING;
  		} else {
  			format = TIMESTAMP_FORMAT_STRING;
  		}
  		return parseToTimeMillis(dateStr, format, tz) + getMillis(dateStr);
  	}