return parent;
    }

    public void setParent(MetadataTreeNode parent) {
        this.parent = parent;
    }

    public MetadataTreeNode[] getChildren() {
        return children;
    }

    public void setChildren(MetadataTreeNode[] children) {
        this.children = children;
    }
    // ------------------------------------------------------------------------

    }

    @Override
    DependencyNode getDependencyNode() {
        return Utils.cast(AbstractNode.class, delegate, "delegate").getDependencyNode();
    }

    @Override
    public List<Node> getChildren() {
        return children;
    }

    @Override
    public Artifact getArtifact() {
        return delegate.getArtifact();
    }

    @Override
    public Dependency getDependency() {

        Vertex(String label) {
            this.label = label;
        }

        String getLabel() {
            return label;
        }

        List<Vertex> getChildren() {
            return children;
        }

        List<Vertex> getParents() {
            return parents;
        }
    }

        PlexusConfiguration c = mojoDescriptor.getMojoConfiguration();

        List<XmlNode> children = new ArrayList<>();
        PlexusConfiguration[] ces = c.getChildren();
        if (ces != null) {
            for (PlexusConfiguration ce : ces) {
                String value = ce.getValue(null);
                String defaultValue = ce.getAttribute("default-value", null);

        XmlNode node1 = (XmlNode) pointer1.getBaseValue();
        XmlNode node2 = (XmlNode) pointer2.getBaseValue();
        if (node1 == node2) {
            return 0;
        }
        for (XmlNode child : node.getChildren()) {
            if (child == node1) {
                return -1;
            }
            if (child == node2) {
                return 1;
            }
        }
        return 0;
    }

        if (visitor.enter(this)) {
            for (Node child : getChildren()) {
                if (!child.accept(visitor)) {
                    break;
                }
            }
        }
        return visitor.leave(this);
    }

    @Override
    public Node filter(Predicate<Node> filter) {
        List<Node> children =

        assertTrue(labels.contains("c"));
        assertTrue(labels.contains("d"));

        addEdge(graph, "a", "d");
        assertEquals(2, a.getChildren().size());
        assertTrue(a.getChildren().contains(b));
        assertTrue(a.getChildren().contains(d));
        assertEquals(2, d.getParents().size());
        assertTrue(d.getParents().contains(a));
        assertTrue(d.getParents().contains(c));
    }

setValue(String); public String[] getAttributeNames(); public String getAttribute(String); public void setAttribute(String, String); public Xpp3Dom getChild(int); public Xpp3Dom getChild(String); public void addChild(Xpp3Dom); public Xpp3Dom[] getChildren(); public Xpp3Dom[] getChildren(String); public int getChildCount(); public void removeChild(int); public Xpp3Dom getParent(); public void setParent(Xpp3Dom); public void writeToSerializer(String, pull.XmlSerializer) throws java.io.IOException; private static void...

setValue(String); public String[] getAttributeNames(); public String getAttribute(String); public void setAttribute(String, String); public Xpp3Dom getChild(int); public Xpp3Dom getChild(String); public void addChild(Xpp3Dom); public Xpp3Dom[] getChildren(); public Xpp3Dom[] getChildren(String); public int getChildCount(); public void removeChild(int); public Xpp3Dom getParent(); public void setParent(Xpp3Dom); public void writeToSerializer(String, pull.XmlSerializer) throws java.io.IOException; private static void...

    @Nullable
    Dependency getDependency();

    /**
     * Gets the child nodes of this node.
     *
     * @return the child nodes of this node, never {@code null}
     */
    @Nonnull
    List<Node> getChildren();

    /**
     * @return repositories of this node
     */
    @Nonnull
    List<RemoteRepository> getRemoteRepositories();

    /**
     * The repository where this artifact has been downloaded from.