_, err = r.UnmarshalMsg(res)
	if err != nil {
		h.PutResponse(r)
		return resp, err
	}
	return r, err
}

// RemoteClient contains information about the caller.
type RemoteClient struct {
	Name string
}

type (
	ctxCallerKey   = struct{}
	ctxSubrouteKey = struct{}
)

// GetCaller returns caller information from contexts provided to handlers.
func GetCaller(ctx context.Context) *RemoteClient {