BlockConnect chan struct{}               // If set, incoming and outgoing connections will be blocked until closed.
	TraceTo      *pubsub.PubSub[madmin.TraceInfo, madmin.TraceType]
}

// NewManager creates a new grid manager
func NewManager(ctx context.Context, o ManagerOptions) (*Manager, error) {
	found := false
	if o.AuthRequest == nil {
		return nil, fmt.Errorf("grid: AuthRequest must be set")
	}
	m := &Manager{