code: public Reliability getReliability() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "getReliability");
          Reliability r = msg.getReliability();
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "getReliablity", r);
          return r;
      }
docs: This method retrieves the underlying reliability that is set for this
  message. The outgoing value can also be determined by examining the
  persistence and NPM properties, however inbound cannot be found in this
  way.
  
  @return Reliablity