code: @Override
      public final EnterpriseBean getEnterpriseBean() throws RemoteException {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "getEnterpriseBean");
  
          throw new UnsupportedOperationException();
      }
docs: Return enterprise bean associate with this <code>BeanO</code>. <p>
  
  MessageDrivenBeans do not implement this method since they
  are created on demand by the container, not by the client. <p>