public CopySpecInternal addChild() {
        DefaultCopySpec child = new SingleParentCopySpec(fileCollectionFactory, objectFactory, instantiator, patternSetFactory, buildResolverRelativeToParent(parentResolver));
        addChildSpec(child);
        return child;
    }

    @Override
    protected CopySpecInternal addChildAtPosition(int position) {

	}

	var ret []Command
	for _, child := range res.AST.Children {
		cmd := Command{
			Cmd:       child.Value,
			Original:  child.Original,
			StartLine: child.StartLine,
			EndLine:   child.EndLine,
			Flags:     child.Flags,
		}

		// Only happens for ONBUILD
		if child.Next != nil && len(child.Next.Children) > 0 {
			cmd.SubCmd = child.Next.Children[0].Value
			child = child.Next.Children[0]

		allErrs = append(allErrs, appsvalidation.IsNotMoreThan100Percent(*spec.MinAvailable, fldPath.Child("minAvailable"))...)
	}

	if spec.MaxUnavailable != nil {
		allErrs = append(allErrs, appsvalidation.ValidatePositiveIntOrPercent(*spec.MaxUnavailable, fldPath.Child("maxUnavailable"))...)

                    println "value = " + value
                    println "value.child = " + value.dir("child")
                    println "propValue = " + propValue.get()
                    println "propValue.child = " + propValue.get().dir("child")
                    println "propValue.child.mapped = " + propValue.dir("child").get()
                }
            }

            task ok(type: SomeTask) {

        return child != null;
    }

    private void filterChildren(int position) {
        for (; position > filteredChildren.size() && filteredIndex < children.size(); filteredIndex++) {
            XmlNode child = children.get(filteredIndex);
            if (testNode(child)) {
                filteredChildren.add(child);
            }
        }
    }

    private boolean testNode(XmlNode node) {
        if (test == null) {

        expect:
        initialRoot.store(childAbsolutePath("some/child"), CASE_SENSITIVE, snapshot, changeListener) == initialRoot
        removedSnapshots.empty
        addedSnapshots.empty
    }

    def "invalidate removes the node"() {
        expect:
        initialRoot.invalidate(childAbsolutePath("some/child"), CASE_SENSITIVE, changeListener) == Optional.empty()
        removedSnapshots == [initialRoot]

     * Check that we can build ok from the middle pom of a (parent,child,grandchild) hierarchy
     *
     * @throws Exception in case of issue
     */
    @Test
    void testBuildFromMiddlePom() throws Exception {
        File f1 = getTestFile("src/test/resources/projects/grandchild-check/child/pom.xml");
        File f2 = getTestFile("src/test/resources/projects/grandchild-check/child/grandchild/pom.xml");

        getProject(f1);

	}
	allErrs = append(allErrs, ValidateLabelName(sr.Key, fldPath.Child("key"))...)
	if !opts.AllowInvalidLabelValueInSelector {
		for valueIndex, value := range sr.Values {
			for _, msg := range validation.IsValidLabelValue(value) {
				allErrs = append(allErrs, field.Invalid(fldPath.Child("values").Index(valueIndex), value, msg))
			}
		}
	}

        given:
        def impl = new Impl()
        def child = new Child()

        when:
        container.add('i', impl)
        container.add('c', child)

        then:
        container.findByType(Capability) == impl
        container.getByType(Impl) == impl
        container.findByType(Parent) == child
        container.getByType(Parent) == child
    }

    def "can create ExtensionAware extensions"() {

    public ModelRuleDescriptor append(ModelRuleDescriptor child) {
        return new NestedModelRuleDescriptor(this, child);
    }

    @Override
    public ModelRuleDescriptor append(String child) {
        return append(new SimpleModelRuleDescriptor(child));
    }

    @Override
    @FormatMethod
    public ModelRuleDescriptor append(@FormatString String child, Object... args) {
        return append(String.format(child, args));