code: public final Reliability getReliability() {
          // If the transient is not set, get the int value from the message then
          // obtain the corresponding Reliability instance and cache it.
          if (cachedReliability == null) {
              Byte rType = (Byte) getHdr2().getField(JsHdr2Access.RELIABILITY);
              cachedReliability = Reliability.getReliability(rType);
          }
          // Return the (possibly newly) cached value
          return cachedReliability;
      }
docs: /*
  Get the value of the Reliability field from the message header.
  
  Javadoc description supplied by SIBusMessage interface.