nodes.add(node);
    }

    /**
     * find a node by the GAV (metadata)
     *
     * @param md
     */
    public MetadataGraphNode findNode(MavenArtifactMetadata md) {
        for (MetadataGraphNode mgn : nodes) {
            if (mgn.metadata.equals(md)) {
                return mgn;
            }
        }

        MetadataGraphNode node = new MetadataGraphNode(md);
        addNode(node);

    assertThat(unordered.isOrdered()).isFalse();
    assertThat(unordered).containsExactly("node", "node");
    assertThat(unordered.nodeU()).isEqualTo("node");
    assertThat(unordered.nodeV()).isEqualTo("node");
    assertThat(unordered.adjacentNode("node")).isEqualTo("node");
    assertThat(unordered.toString()).isEqualTo("[node, node]");
  }

  @Test

    assertThat(unordered.isOrdered()).isFalse();
    assertThat(unordered).containsExactly("node", "node");
    assertThat(unordered.nodeU()).isEqualTo("node");
    assertThat(unordered.nodeV()).isEqualTo("node");
    assertThat(unordered.adjacentNode("node")).isEqualTo("node");
    assertThat(unordered.toString()).isEqualTo("[node, node]");
  }

  @Test

 * <p>
 * If the {@code requestType} is not set explicitly, it will be inferred
 * from the {@code pathScope} and the injected field type. If the type
 * is {@link org.apache.maven.api.Node Node} and {@code pathScope == ""},
 * then the dependencies will be <i>collected</i>.
 * If the type is {@link org.apache.maven.api.Node Node} or
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},

    assertThat(graph).isNotEqualTo(g2);
  }

  // Node/edge sets are the same, but node/edge connections differ due to edge type.
  @Test
  public void equivalent_directedVsUndirected() {
    graph.putEdge(N1, N2);

    MutableGraph<Integer> g2 = createGraph(oppositeType(edgeType));
    g2.putEdge(N1, N2);

    assertThat(graph).isNotEqualTo(g2);
  }

  // Node/edge sets and node/edge connections are the same, but directedness differs.

        public boolean visitEnter(DependencyNode node) {
            ArtifactType currentType = jar;
            if (node.getArtifact() != null) {
                if (node.getArtifact().getProperties().containsKey(ArtifactProperties.TYPE)) {
                    currentType = registry.get(node.getArtifact()
                            .getProperty(
                                    ArtifactProperties.TYPE, node.getArtifact().getExtension()));

        assertThat(endpointPair.source()).isEqualTo(node);
        assertThat(endpointPair.target()).isEqualTo(endpointPair.adjacentNode(node));
      }

      for (Integer adjacentNode : network.adjacentNodes(node)) {
        Set<String> edges = network.edgesConnecting(node, adjacentNode);
        Set<String> antiParallelEdges = network.edgesConnecting(adjacentNode, node);

     * The matching is based on tag name, and optionally ID, CSS class, or custom attributes.
     *
     * @param node the DOM node to check against this pruned tag configuration
     * @return true if the node matches this pruned tag configuration, false otherwise
     */
    public boolean matches(final Node node) {
        if (tag.equalsIgnoreCase(node.getNodeName())) {

[kubernetes-node-linux-arm.tar.gz](https://dl.k8s.io/v1.6.13/kubernetes-node-linux-arm.tar.gz) | `9d0433621021bca490e8a04eb96e47402d3f8e3d47762590b83be6a595d29b16`
[kubernetes-node-linux-ppc64le.tar.gz](https://dl.k8s.io/v1.6.13/kubernetes-node-linux-ppc64le.tar.gz) | `438f0e05d29e371c028e73b28c31e3b13dc1decd0780557e0231d96de871b419`

  boolean addNode(N node);

  /**
   * Adds an edge connecting {@code nodeU} to {@code nodeV} if one is not already present.
   *
   * <p>If the graph is directed, the resultant edge will be directed; otherwise, it will be
   * undirected.
   *
   * <p>If {@code nodeU} and {@code nodeV} are not already present in this graph, this method will
   * silently {@link #addNode(Object) add} {@code nodeU} and {@code nodeV} to the graph.
   *