@Override
 public int parsePart(String value, EventRecurrence er) {
   er.interval = parseIntRange(value, Integer.MIN_VALUE, Integer.MAX_VALUE, true);
   if (er.interval < 1) {
     Log.d(TAG, "Invalid Interval. Forcing INTERVAL to 1 from " + value);
     er.interval = 1;
   }
   return PARSED_INTERVAL;
 }