merger.merge(pt, null, null);
        merger.merge(null, pt, null);
    }

    @Test
    void testMergeJdk() throws Exception {
        try (InputStream isDominant = MavenToolchainMergerTest.class.getResourceAsStream("toolchains-jdks.xml");
                InputStream isRecessive = MavenToolchainMergerTest.class.getResourceAsStream("toolchains-jdks.xml")) {
            PersistedToolchains dominant = read(isDominant);

     * @throws XmlPullParserException XmlPullParserException if
     * any.
     * @return Model
     */
    public Model read(InputStream in, boolean strict) throws IOException, XmlPullParserException {
        return read(in, strict, null);
    } // -- Model read( InputStream, boolean )

    /**
     * Method read.
     *
     * @param in a in object.
     * @throws IOException IOException if any.

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

import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Path;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.annotations.Nonnull;

                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

    @Override
    public Settings read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = input) {
            InputSource source = (InputSource) options.get(InputSource.class.getName());

        URL url = request.getURL();
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (path == null && url == null && reader == null && inputStream == null) {
            throw new IllegalArgumentException("path, url, reader or inputStream must be non null");
        }
        try {
            PluginDescriptorStaxReader xml = new PluginDescriptorStaxReader();

                    e);
        }
    }

    @Override
    public PersistedToolchains read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = input) {
            InputSource source = (InputSource) options.get(InputSource.class.getName());

        return new org.apache.maven.model.Model(model);
    }

    @Override
    public org.apache.maven.model.Model read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");
        try (InputStream in = input) {
            org.apache.maven.api.model.Model model = read(null, in, null, options);
            return new org.apache.maven.model.Model(model);

                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

    public Metadata read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = input) {
            return new Metadata(new MetadataStaxReader().read(in, isStrict(options)));
        } catch (XMLStreamException e) {

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

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.junit.jupiter.api.Test;

                URL resource = resources.nextElement();
                try {
                    InputStream is = resource.openStream();
                    final Properties properties = new Properties();
                    if (is != null) {
                        try (InputStream in = is) {
                            properties.load(in);
                        }
                    }