/** @since Available in iOS 4.0 and later. */
 public String getAirline() {
   if (data.containsKey(AirlineKey())) {
     NSString val = (NSString) data.get(AirlineKey());
     return val.toString();
   }
   return null;
 }
 /** @since Available in iOS 4.0 and later. */
 public String getFlight() {
   if (data.containsKey(FlightKey())) {
     NSString val = (NSString) data.get(FlightKey());
     return val.toString();
   }
   return null;
 }
 /*</methods>*/
 @Override
 public String toString() {
   if (data != null) return data.toString();
   return super.toString();
 }