"stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "links": [],
          "mappings": [],
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",

   * self-loops incident to {@code node}).
   *
   * <p>If the count is greater than {@code Integer.MAX_VALUE}, returns {@code Integer.MAX_VALUE}.
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  @Override
  int degree(N node);

  /**

   * leftChild(node)} and {@code rightChild(node)}, this method can be called as
   *
   * {@snippet :
   * Traverser.forTree(node -> ImmutableList.of(leftChild(node), rightChild(node)));
   * }
   *
   * @param tree {@link SuccessorsFunction} representing a directed acyclic graph that has at most
   *     one path between any two nodes
   */

  }

  private @Nullable Node<K, V> seekByKey(@Nullable Object key, int keyHash) {
    for (Node<K, V> node = hashTableKToV[keyHash & mask];
        node != null;
        node = node.nextInKToVBucket) {
      if (keyHash == node.keyHash && Objects.equals(key, node.key)) {
        return node;
      }
    }
    return null;
  }

| `minio_node_mem_available`     | Available memory on the node.             |
| `minio_node_mem_available_avg` | Available memory on the node (avg).       |
| `minio_node_mem_available_max` | Available memory on the node (max).       |
| `minio_node_mem_buffers`       | Buffers memory on the node.               |
| `minio_node_mem_buffers_avg`   | Buffers memory on the node (avg).         |

   */
  private void removeNode(Node<K, V> node) {
    if (node.previous != null) {
      node.previous.next = node.next;
    } else { // node was head
      head = node.next;
    }
    if (node.next != null) {
      node.next.previous = node.previous;
    } else { // node was tail
      tail = node.previous;
    }
    if (node.previousSibling == null && node.nextSibling == null) {
      /*

            // Node array will be partially filled
            assertEquals((byte) 0xAA, uuid.node[0]);
            assertEquals((byte) 0xBB, uuid.node[1]);
            assertEquals((byte) 0xCC, uuid.node[2]);
            assertEquals((byte) 0xDD, uuid.node[3]);
            assertEquals((byte) 0xEE, uuid.node[4]);
            assertEquals((byte) 0x00, uuid.node[5]); // Missing data defaults to 0
        }

  /**
   * A value class representing single connection between the origin node and another node.
   *
   * <p>There can be two types of connections (predecessor and successor), which is represented by
   * the two implementations.
   */
  private abstract static class NodeConnection<N> {
    final N node;

    NodeConnection(N node) {
      this.node = checkNotNull(node);
    }

    static final class Pred<N> extends NodeConnection<N> {

  /**
   * Returns the subgraph of {@code graph} induced by {@code nodes}. This subgraph is a new graph
   * that contains all of the nodes in {@code nodes}, and all of the {@link Graph#edges() edges}
   * from {@code graph} for which both nodes are contained by {@code nodes}.
   *
   * @throws IllegalArgumentException if any element in {@code nodes} is not a node in the graph
   */

        case Node.ELEMENT_NODE:
            appendElement((Element) node, buf);
            break;
        case Node.TEXT_NODE:
            appendText((Text) node, buf);
            break;
        case Node.CDATA_SECTION_NODE:
            appendCDATASection((CDATASection) node, buf);
            break;
        case Node.ENTITY_REFERENCE_NODE:
            appendEntityReference((EntityReference) node, buf);