**NOTE:**

    assertThat(graph.nodes()).containsExactly(3, 1, 4).inOrder();
  }

  // The default ordering is INSERTION unless otherwise specified.
  @Test
  public void nodeOrder_default() {
    MutableGraph<Integer> graph = GraphBuilder.directed().build();

    addNodes(graph);

    assertThat(graph.nodeOrder()).isEqualTo(insertion());
    assertThat(graph.nodes()).containsExactly(3, 1, 4).inOrder();
  }

mkdir -p /tmp/xl/1/ /tmp/xl/2/

export MINIO_KMS_SECRET_KEY="my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw="

NODES=4

args1=()
args2=()
for i in $(seq 1 $NODES); do
	args1+=("http://localhost:$((9000 + i))/tmp/xl/1/$i ")
	args2+=("http://localhost:$((9100 + i))/tmp/xl/2/$i ")
done

for i in $(seq 1 $NODES); do
	./minio server --address "127.0.0.1:$((9000 + i))" ${args1[@]} & # | tee /tmp/minio/node.$i &

   * the edge connecting the two nodes.
   */
  @CanIgnoreReturnValue
  @Nullable V removeSuccessor(N node);

  /**
   * Add {@code node} as a predecessor to the origin node. In the case of an undirected graph, it
   * also becomes a successor. Associates {@code value} with the edge connecting the two nodes.
   */
  void addPredecessor(N node, V value);

  /**

  //

  /** Returns all nodes in this graph, in the order specified by {@link #nodeOrder()}. */
  Set<N> nodes();

  //
  // Graph properties
  //

  /**
   * Returns true if the edges in this graph are directed. Directed edges connect a {@link
   * EndpointPair#source() source node} to a {@link EndpointPair#target() target node}, while
   * undirected edges connect a pair of nodes to each other.
   */

            return cl.call()
        }
    }

    def format(Node... nodes) {
        format(nodes as List)
    }

    def formatTree(Node... nodes) {
        formatTree(nodes as List)
    }

    def formatTree(Iterable<? extends Node> nodes) {
        format(nodes, true)
    }

    def format(Iterable<? extends Node> nodes, boolean prettyPrint = false) {
        StringBuilder builder = new StringBuilder()

          number
          labels(first: 100) {
            nodes {
              name
            }
          }
          author {
            login
            avatarUrl
            url
          }
          title
          createdAt
          lastEditedAt
          updatedAt
          state
          reviews(first:100) {
            nodes {
              author {
                login

 *
 */
@Deprecated
public class MetadataGraph {
    /** all graph nodes */
    Collection<MetadataGraphNode> nodes;

    /** entry point for tree-like structures */
    MetadataGraphNode entry;

    public MetadataGraph(MetadataGraphNode entry) {
        this();

        this.entry = entry;
    }

    public MetadataGraph() {
        nodes = new ArrayList<>(64);
    }

        } else  {
            current.appendChild(document.importNode(node, true))
        }
    }

    def appendChildren(Iterable<? extends Node> nodes) {
        nodes.each { appendChild(it) }
    }

    def appendChildren(NodeList nodes) {
        nodes.each { appendChild(it) }
    }

    def text(String text) {
        current.appendChild(document.createTextNode(text))
    }

	healthNodesOnlineCount  = "nodes_online_count"
)

var (
	healthNodesOfflineCountMD = NewGaugeMD(healthNodesOfflineCount,
		"Count of offline nodes in the cluster")
	healthNodesOnlineCountMD = NewGaugeMD(healthNodesOnlineCount,
		"Count of online nodes in the cluster")
)

// loadClusterHealthNodeMetrics - `MetricsLoaderFn` for cluster health node
// metrics.