defer close(cleanReqs)
	// 1: Block forever
	h1 := func(payload []byte) ([]byte, *RemoteErr) {
		gotCall <- struct{}{}
		<-cleanReqs
		return nil, nil
	}
	// 2: Also block, but with streaming.
	h2 := StreamHandler{
		Handle: func(ctx context.Context, payload []byte, request <-chan []byte, resp chan<- []byte) *RemoteErr {
			gotCall <- struct{}{}
			select {
			case <-ctx.Done():
				gotCall <- struct{}{}

            }
        }
        // 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
    // Get a connection to the remote host

	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 == "" {

			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")

			createStorage := func(server *storageRESTServer) bool {

	logger.FatalIf(updateMetacacheListingRPC.Register(gm, server.UpdateMetacacheListingHandler), "unable to register handler")

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

			return
		}
		_, _ = c.inStream.LoadOrCompute(m.MuxID, func() *muxServer {
			return newMuxStateless(ctx, m, c, *handler)
		})
	} else {
		// Stream:
		var handler *StreamHandler
		if subID == nil {
			if !m.Handler.valid() {
				gridLogIf(ctx, c.queueMsg(m, muxConnectError{Error: "Invalid Handler"}))
				return
			}
			handler = c.handlers.streams[m.Handler]
		} else {