* @param attribute a attribute object.
     * @throws XMLStreamException XMLStreamException if
     * any.
     * @return String
     */
    private String getRequiredAttributeValue(String s, String attribute, XMLStreamReader parser, boolean strict)
            throws XMLStreamException {
        if (s == null) {
            if (strict) {

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

import java.io.Writer;
import java.util.Map;

import org.apache.maven.api.xml.XmlNode;
import org.codehaus.stax2.util.StreamWriterDelegate;

/**
 *
 */
public class XmlNodeWriter {
    public static void write(Writer writer, XmlNode dom) throws XMLStreamException {

     * @param strict a strict object.
     * @throws XMLStreamException XMLStreamException if
     * any.
     * @return ${root.name}
     */
#if ( $locationTracking )
    public ${root.name} read(XMLStreamReader parser, boolean strict, InputSource source) throws XMLStreamException {
#else
    public ${root.name} read(XMLStreamReader parser, boolean strict) throws XMLStreamException {
#end
#if ( $needXmlContext )

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.repository.metadata.io.xpp3;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;

import org.apache.maven.artifact.repository.metadata.Metadata;

    private interface ElementWriter<T> {
        public void write(T t) throws IOException, XMLStreamException;
    }

#if ( $locationTracking )
    private <T> void writeList(String tagName, List<T> list, XMLStreamWriter serializer, InputLocationTracker locationTracker, ElementWriter<T> writer) throws IOException, XMLStreamException {
        writeList(tagName, false, list, serializer, locationTracker, writer);
#else

                .orElse(null);
    }

    private static XmlNode toXmlNode(String xml) throws XMLStreamException, IOException {
        return toXmlNode(xml, null);
    }

    private static XmlNode toXmlNode(String xml, XmlNodeStaxBuilder.InputLocationBuilderStax locationBuilder)
            throws XMLStreamException, IOException {
        return toXmlNode(new StringReader(xml), locationBuilder);
    }

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.settings.io;

import javax.inject.Named;
import javax.inject.Singleton;
import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.nio.file.Files;
import java.util.Map;
import java.util.Objects;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.settings.io.xpp3;

import javax.xml.stream.XMLStreamException;

import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;

import org.apache.maven.settings.Settings;
import org.apache.maven.settings.v4.SettingsStaxWriter;

/**

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.toolchain.io;

import javax.inject.Named;
import javax.inject.Singleton;
import javax.xml.stream.XMLStreamException;

import java.io.IOException;
import java.io.Writer;
import java.util.Map;
import java.util.Objects;

import org.apache.maven.toolchain.model.PersistedToolchains;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.settings.io.xpp3;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;

import org.apache.maven.settings.Settings;