m.handlers.stateless[id] = &h
	return nil
}
*/

// RegisterStreamingHandler will register a stateless handler that serves
// two-way streaming requests.
func (m *Manager) RegisterStreamingHandler(id HandlerID, h StreamHandler) error {
	if !id.valid() {
		return ErrUnknownHandler
	}
	if debugPrint {
		fmt.Println("RegisterStreamingHandler: subroute:", h.Subroute)
	}
	if h.Subroute == "" {

			}
			return nil
		},
		OutCapacity: 1,
		InCapacity:  1,
	}
	errFatal(remote.RegisterSingleHandler(handlerTest, h1))
	errFatal(remote.RegisterStreamingHandler(handlerTest2, h2))
	errFatal(local.RegisterSingleHandler(handlerTest, h1))
	errFatal(local.RegisterStreamingHandler(handlerTest2, h2))

	// local to remote
	remoteConn := local.Connection(remoteHost)
	errFatal(remoteConn.WaitForConnect(t.Context()))

		if err != nil {
			t.Fatal(err)
		}
	}

	// We fake a local and remote server.
	remoteHost := remote.HostName()

	// 1: Echo
	register := func(manager *Manager) {
		errFatal(manager.RegisterStreamingHandler(handlerTest, StreamHandler{
			Handle: func(ctx context.Context, payload []byte, request <-chan []byte, resp chan<- []byte) *RemoteErr {
				for in := range request {
					b := append([]byte{}, payload...)

	errFatal(err)
	b.Cleanup(grid.Cleanup)
	const responses = 10
	// Create n managers.
	for _, remote := range grid.Managers {
		// Register a single handler which echos the payload.
		errFatal(remote.RegisterStreamingHandler(handlerTest, StreamHandler{
			// Send 10x response.
			Handle: func(ctx context.Context, payload []byte, _ <-chan []byte, out chan<- []byte) *RemoteErr {
				for i := range responses {

                grid.PutByteBuffer(req)
            }
        }
        // out is closed by the caller and should never be closed by the handler.
        return nil
    }

    err := manager.RegisterStreamingHandler(grid.HandlerDiskInfo, StreamHandler{
        Handle: handler,
        Subroute: "asubroute",
        OutCapacity: 1,
        InCapacity: 1,
    })
```

Sample call:
```go

func (h *StreamTypeHandler[Payload, Req, Resp]) register(m *Manager, handle func(ctx context.Context, p Payload, in <-chan Req, out chan<- Resp) *RemoteErr, subroute ...string) error {
	return m.RegisterStreamingHandler(h.id, StreamHandler{
		Handle: func(ctx context.Context, payload []byte, in <-chan []byte, out chan<- []byte) *RemoteErr {
			var plT Payload
			if h.WithPayload {
				plT = h.NewPayload()

			logger.FatalIf(storageStatVolRPC.Register(gm, server.StatVolHandler, endpoint.Path), "unable to register handler")
			logger.FatalIf(gm.RegisterStreamingHandler(grid.HandlerWalkDir, grid.StreamHandler{
				Subroute:    endpoint.Path,
				Handle:      server.WalkDirHandler,
				OutCapacity: 1,
			}), "unable to register handler")

	logger.FatalIf(cleanupUploadIDCacheMetaRPC.Register(gm, server.HandlerClearUploadID), "unable to register handler")

	logger.FatalIf(gm.RegisterStreamingHandler(grid.HandlerTrace, grid.StreamHandler{
		Handle:      server.TraceHandler,
		Subroute:    "",
		OutCapacity: 100000,
		InCapacity:  0,
	}), "unable to register handler")