void shouldCreateFailureResult() {
            Path pom1 = Paths.get("pom.xml");
            Path pom2 = Paths.get("module/pom.xml");

            UpgradeResult result = new UpgradeResult(
                    Set.of(pom1, pom2), // processed
                    Set.of(pom1), // modified
                    Set.of(pom2) // errors
                    );

    /** Value indicating children should be appended as siblings */
    public static final String CHILDREN_COMBINATION_APPEND = "append";
    /**
     * Default mode for combining children DOMs during merge.
     * When element names match, the process will try to merge the element data,
     * rather than putting the dominant and recessive elements as siblings.
     */

        if (!reporting.isExcludeDefaults() && !hasMavenProjectInfoReportsPlugin) {
            Xpp3Dom dom = new Xpp3Dom("reportPlugin", location);

            addDom(dom, "groupId", "org.apache.maven.plugins");
            addDom(dom, "artifactId", "maven-project-info-reports-plugin");

            reportPlugins.addChild(dom);
        }
    }

    private Plugin findSitePlugin(Build build) {

        File pom0 = new File(localRepo, "p0/pom.xml");
        File pom1 = new File(pom0.getParentFile(), "p1/pom.xml");
        File pom2 = new File(pom1.getParentFile(), "p2/pom.xml");
        File pom3 = new File(pom2.getParentFile(), "p3/pom.xml");
        File pom4 = new File(pom3.getParentFile(), "p4/pom.xml");
        File pom5 = new File(pom4.getParentFile(), "p5/pom.xml");

import javax.xml.transform.OutputKeys
import javax.xml.transform.Transformer
import javax.xml.transform.TransformerFactory
import javax.xml.transform.dom.DOMSource
import javax.xml.transform.stream.StreamResult
import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node

class XIncludeAwareXmlProvider {

    Document root

    Element parse(File sourceFile) {
        root = parseSourceFile(sourceFile)

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs

import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node
import org.w3c.dom.NodeList

class DomBuilder extends BuilderSupport {
    Document document
    Node parent
    List elements = []

    def DomBuilder(Document document) {

        }

        extensionDescriptor.setExportedPackages(parseStrings(dom.child("exportedPackages")));

        extensionDescriptor.setExportedArtifacts(parseStrings(dom.child("exportedArtifacts")));

        return extensionDescriptor;
    }

    private List<String> parseStrings(XmlNode dom) {
        List<String> strings = null;

        if (dom != null) {
            strings = new ArrayList<>();

 * limitations under the License.
 */

package gradlebuild.docs.dsl.docbook;

import gradlebuild.docs.dsl.docbook.model.ClassExtensionDoc;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class ExtensionBlocksSummaryRenderer {
    private final BlockTableRenderer blockTableRenderer;

    public ExtensionBlocksSummaryRenderer(BlockTableRenderer blockTableRenderer) {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.docs.dsl.docbook;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

class DocBookBuilder {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.dsl.docbook.model

import org.w3c.dom.Element
import org.w3c.dom.Node

class ExtraAttributeDoc {
    final Element titleCell
    final Element valueCell

    ExtraAttributeDoc(Element titleCell, Element valueCell) {
        this.titleCell = titleCell