return CartesianSet.create(sets);
  }

  /**
   * Returns every possible list that can be formed by choosing one element from each of the given
   * sets in order; the "n-ary <a href="http://en.wikipedia.org/wiki/Cartesian_product">Cartesian
   * product</a>" of the sets. For example:
   *
   * <pre>{@code
   * Sets.cartesianProduct(

	var (
		gwMu sync.Mutex
		gws  []model.NetworkGateway
	)
	setGws := func(v []model.NetworkGateway) {
		gwMu.Lock()
		defer gwMu.Unlock()
		gws = v
	}
	getGws := func() []model.NetworkGateway {
		gwMu.Lock()
		defer gwMu.Unlock()
		return gws
	}

	c.AppendNetworkGatewayHandler(func() {
		setGws(c.NetworkGateways())
		notifyCh <- struct{}{}
	})

func (s *erasureSets) StorageInfo(ctx context.Context) StorageInfo {
	var storageInfo madmin.StorageInfo

	storageInfos := make([]madmin.StorageInfo, len(s.sets))

	g := errgroup.WithNErrs(len(s.sets))
	for index := range s.sets {
		index := index
		g.Go(func() error {
			storageInfos[index] = s.sets[index].StorageInfo(ctx)
			return nil
		}, index)
	}

	return n
}

// setPos walks the top structure of x that has no position assigned
// and assigns it all to have position pos.
// When setPos encounters a syntax node with a position assigned,
// setPos does not look inside that node.
// setPos only needs to handle syntax we create in this package;
// all other syntax should have positions assigned already.
func setPos(x syntax.Node, pos syntax.Pos) {
	if x == nil {

   * such a set can be performed efficiently, but others (such as {@link Set#hashCode} or {@link
   * Collections#frequency}) can cause major performance problems.
   *
   * <p>The returned set's {@link Object#toString} method returns a shorthand form of the set's
   * contents, such as {@code "[1..100]}"}.
   *
   * @throws IllegalArgumentException if neither this range nor the domain has a lower bound, or if
   *     neither has an upper bound

            if (index == entries.size()) {
                // Largest free block is too small
                return;
            }

            FreeListEntry entry = entries.remove(index);
            block.setPos(entry.pos);
            block.setSize(entry.size);
            freeListStore.write(this);

            if (entries.size() == 0 && prev != null) {
                prev.nextBlock = nextBlock;

	err := spc.objectMgr.DeletePod(pod)
	spc.recordPodEvent("delete", set, pod, err)
	return err
}

// ClaimsMatchRetentionPolicy returns false if the PVCs for pod are not consistent with set's PVC deletion policy.
// An error is returned if something is not consistent. This is expected if the pod is being otherwise updated,
// but a problem otherwise (see usage of this method in UpdateStatefulPod).

		return nil
	}
}

// DialContext is a function to make custom Dial for internode communications
type DialContext func(ctx context.Context, network, address string) (net.Conn, error)

// NewInternodeDialContext setups a custom dialer for internode communication
func NewInternodeDialContext(dialTimeout time.Duration, opts TCPOptions) DialContext {
	return func(ctx context.Context, network, addr string) (net.Conn, error) {

			return err
		}
	}
	return nil
}

// SetPoolIndex sets a specific pool number to this node
func (endpoint *Endpoint) SetPoolIndex(i int) {
	endpoint.PoolIdx = i
}

// SetSetIndex sets a specific set number to this node
func (endpoint *Endpoint) SetSetIndex(i int) {
	endpoint.SetIdx = i
}

// SetDiskIndex sets a specific disk number to this node
func (endpoint *Endpoint) SetDiskIndex(i int) {

}

// APIEndpoint struct contains elements of API server instance deployed on a node.
type APIEndpoint struct {
	// AdvertiseAddress sets the IP address for the API server to advertise.
	// +optional
	AdvertiseAddress string `json:"advertiseAddress,omitempty"`

	// BindPort sets the secure port for the API Server to bind to.
	// Defaults to 6443.
	// +optional
	BindPort int32 `json:"bindPort,omitempty"`
}