assert.NoError(err)
	if len(root.MuxAndDiscoveryCompleteSignals()) != 0 {
		assert.Error(fmt.Errorf("unexpected signals %v registered in the root server", root.MuxAndDiscoveryCompleteSignals()))
	}
	root.RegisterMuxAndDiscoveryCompleteSignal("rootTestSignal", make(chan struct{}))
	if len(root.MuxAndDiscoveryCompleteSignals()) != 1 {
		assert.Error(fmt.Errorf("unexpected signals %v registered in the root server", root.MuxAndDiscoveryCompleteSignals()))

	hasCRDInformerSyncedSignal := make(chan struct{})
	if err := genericServer.RegisterMuxAndDiscoveryCompleteSignal("CRDInformerHasNotSynced", hasCRDInformerSyncedSignal); err != nil {
		return nil, err
	}

	s := &CustomResourceDefinitions{
		GenericAPIServer: genericServer,
	}

	return s.delegationTarget
}

// RegisterMuxAndDiscoveryCompleteSignal registers the given signal that will be used to determine if all known
// HTTP paths have been registered. It is okay to call this method after instantiating the generic server but before running.
func (s *GenericAPIServer) RegisterMuxAndDiscoveryCompleteSignal(signalName string, signal <-chan struct{}) error {

			return nil, err
		}
	}

	// register mux signals from the delegated server
	for k, v := range delegationTarget.MuxAndDiscoveryCompleteSignals() {
		if err := s.RegisterMuxAndDiscoveryCompleteSignal(k, v); err != nil {
			return nil, err
		}
	}

	genericApiServerHookName := "generic-apiserver-start-informers"
	if c.SharedInformerFactory != nil {