code: public final Long getMessageWaitTime() {
          /* If the transient has never been set, get the value in the message */
          if (cachedMessageWaitTime == null) {
              cachedMessageWaitTime = (Long) getHdr2().getField(JsHdr2Access.MESSAGEWAITTIME);
          }
          return cachedMessageWaitTime;
      }
docs: /*
  Get the value of the MessageWaitTime field from the message header.
  
  Javadoc description supplied by JsMessage interface.