code: private JsBusImpl getBusProxy(String name) throws SIBExceptionBusNotFound {
  
          String thisMethodName = CLASS_NAME + ".getBusProxy(String)";
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              SibTr.entry(tc, thisMethodName, name);
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              SibTr.exit(tc, thisMethodName);
          }
  
          return this.bus;
      }
docs: Returns the runtime configuration of the bus to which the named messaging
  engine belongs. If the bus runtime configuration does not yet exist, it
  is created.
  
  @param name
  @return the runtime configuration of the bus to which the named messaging
  engine belongs.