code: protected List getConvertedFRP() {
  
          List theList = null;
          StringArrayWrapper saw = (StringArrayWrapper) properties.get(FORWARD_ROUTING_PATH);
          if (saw != null) {
              // This list is the forward routing path for the message.
              theList = saw.getMsgForwardRoutingPath();
          }
          return theList;
      }
docs: This method returns the "List containing SIDestinationAddress" form of the
  forward routing path that will be set into the message.
  
  Note that this takes the 'big' destination as being the end of the forward
  routing path.