this.parent = parent
    }

    protected Element createNode(Object name) {
        Element element = document.createElement(name as String)
        if (getCurrent() == null) {
            elements << element
            parent?.appendChild(element)
        }
        return element
    }

    protected Element createNode(Object name, Map attributes) {
        Element element = createNode(name)
        attributes.each {key, value ->

 * limitations under the License.
 */
package okhttp3

import okio.IOException

/**
 * Listener for connection events. Extend this class to monitor the new connections and closes.
 *
 * All event methods must execute fast, without external locking, cannot throw exceptions,
 * attempt to mutate the event parameters, or be reentrant back into the client.
 * Any IO - writing to files or network should be done asynchronously.
 */

package org.apache.maven.api.services.xml;

public interface Location {

    /**
     * Return the line number where the current event ends,
     * returns -1 if none is available.
     * @return the current line number
     */
    int getLineNumber();

    /**
     * Return the column number where the current event ends,
     * returns -1 if none is available.
     * @return the current column number
     */
    int getColumnNumber();

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);
                    managedPlugins.put(key, element);
                }

                List<Plugin> newPlugins = new ArrayList<>();
                for (Plugin element : target.getPlugins()) {
                    Object key = getPluginKey().apply(element);

    }

    protected Element findChild(Element element, String childName) {
        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if (node instanceof Element) {
                Element childElement = (Element) node;

package org.apache.maven.internal.impl;

import java.util.Optional;

import org.apache.maven.api.Event;
import org.apache.maven.api.EventType;
import org.apache.maven.api.MojoExecution;
import org.apache.maven.api.Project;
import org.apache.maven.api.Session;
import org.apache.maven.execution.ExecutionEvent;

public class DefaultEvent implements Event {
    private final InternalMavenSession session;
    private final ExecutionEvent delegate;

        if (node instanceof Element) {
            Element element = (Element) node

            if (indentSelf && depth > 0) {
                target.append('\n')
                depth.times { target.append('    ') }
            }

            target.append("<${element.tagName}")
            for (int i = 0; i < element.attributes.length; i++) {
                Attr attr = element.attributes.item(i)

            }
        }

        warningsRenderer.renderTo(propertyDoc, "property", section);

        for (Element element : propertyDoc.getComment()) {
            section.appendChild(document.importNode(element, true));
        }

        if (!propertyDoc.getAdditionalValues().isEmpty()) {
            Element segmentedlist = document.createElement("segmentedlist");
            section.appendChild(segmentedlist);

    static final int MAX_EXTRAS = 4;

    @CheckForNull Object element;
    List<Object> extras;

    ToOptionalState() {
      element = null;
      extras = emptyList();
    }

    IllegalArgumentException multiples(boolean overflow) {
      StringBuilder sb =
          new StringBuilder().append("expected one element but was: <").append(element);
      for (Object o : extras) {
        sb.append(", ").append(o);

        for (Element element : classDoc.getComment()) {
            parent.appendChild(document.importNode(element, true));
        }
        NodeList otherContent = classDoc.getClassSection().getChildNodes();
        for (int i = 0; i < otherContent.getLength(); i++) {
            Node child = otherContent.item(i);
            if (child instanceof Element && !((Element) child).getTagName().equals("section")) {