* Traverses this node and potentially its children using the specified visitor.
     *
     * @param visitor the visitor to call back, must not be {@code null}
     * @return {@code true} to visit siblings nodes of this node as well, {@code false} to skip siblings
     */
    boolean accept(@Nonnull NodeVisitor visitor);

    /**
     * Returns a new tree starting at this node, filtering the children.

        }
      })
        .done(function(data) {
          var $favorited,
              $favoritedCount;
          if (data.result === "created") {
            $favorited = $favorite.siblings(".favorited");
            $favoritedCount = $(".favorited-count", $favorited);
            $favoritedCount.css("display", "none");
            $favorite.fadeOut(1000, function() {
              $favorited.fadeIn(1000);

     */
    boolean enter(@Nonnull Node node);

    /**
     * Ends the visit to the specified dependency node.
     *
     * @param node the dependency node to visit
     * @return <code>true</code> to visit the specified dependency node's next sibling, <code>false</code> to skip the
     *         specified dependency node's next siblings and proceed to its parent
     */

     * try to merge the element data, rather than putting the dominant and recessive elements (which share the same
     * element name) as siblings in the resulting DOM.
     */
    String DEFAULT_CHILDREN_COMBINATION_MODE = CHILDREN_COMBINATION_MERGE;

    String SELF_COMBINATION_MODE_ATTRIBUTE = "combine.self";

    String SELF_COMBINATION_OVERRIDE = "override";

    protected String version;
    protected String type;
    protected ArtifactScopeEnum artifactScope;
    protected String classifier;

    /**
     * explanation: why this MD was chosen over its siblings
     * in the resulting structure (classpath for now)
     */
    protected String why;

    /** dependencies of the artifact behind this metadata */
    protected Collection<ArtifactMetadata> dependencies;

    }

    public static void addBefore(Node sibling, Closure cl) {
        DomBuilder builder = new DomBuilder(sibling.ownerDocument, null)
        cl.delegate = builder
        cl.call()
        def parent = sibling.parentNode
        builder.elements.each { element ->
            parent.insertBefore(element, sibling)
        }
    }

    public static void addBefore(Element sibling, Node n) {
        def parent = sibling.parentNode

    }

    def resolvesUnqualifiedNameToSiblingClass() {
        ClassMetaData outerClass = Mock()

        when:
        def name = typeNameResolver.resolve('Sibling', classMetaData)

        then:
        name == 'org.gradle.SomeClass.Outer.Sibling'
        _ * classMetaData.innerClassNames >> []
        _ * classMetaData.outerClassName >> 'org.gradle.SomeClass.Outer'

			[]objectUpload{{"object0", "content"}, {"dir/object1", "content"}},
			"dir/object1",
			[]string{"object0"},
		},
		// Test 3: remove an object inside a directory and checks if it is deleted
		// but other sibling object in the same directory still exists
		{
			"bucket3",
			[]objectUpload{{"dir/object1", "content"}, {"dir/object2", "content"}},
			"dir/object1",
			[]string{"dir/object2"},
		},

     * @throws IOException Model read problem
     */
    @Test
    void testUrls() throws Exception {
        testInheritance("urls");
    }

    /**
     * Flat directory structure: parent & child POMs in sibling directories, child directory == artifactId.
     * @throws IOException Model read problem
     */
    @Test
    void testFlatUrls() throws IOException {
        testInheritance("flat-urls");
    }

    /**