* @param criteria optional criteria for selecting peer credentials
* @param mandatory flag controls whether message is sent at all if the
* transport isn't authenticated using the TrustEngine
* @return true iff the transport supports the use of a TrustEngine
*/
virtual bool setTrustEngine(
* @param criteria optional criteria for selecting peer credentials
* @param mandatory flag controls whether message is sent at all if the
* transport isn't authenticated using the TrustEngine
* @return true iff the transport supports the use of a TrustEngine
*/
virtual bool setTrustEngine(