void mergeArtifactId() {
        Model target = Model.newBuilder().artifactId("TARGET").build();

        Model source = Model.newBuilder().artifactId("SOURCE").build();

        Model merged = mavenMerger.merge(target, source, true, null);
        assertEquals(
                "SOURCE",
                merged.getArtifactId(),
                "Expected merged artifactId to be SOURCE but was " + merged.getArtifactId());

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>foo</artifactId>
  <groupId>foo</groupId>
  <version>99.44</version>
  <packaging>bleh</packaging>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-it-plugin</artifactId>
      </plugin>
    </plugins>
  </build>

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven.its.mng6300</groupId>
    <artifactId>test</artifactId>
    <version>1.0</version>
  </parent>
  <artifactId>mng6300-lib</artifactId>

                // Compute goal coordinates
                String groupId, artifactId, version, goal;
                String[] p = mojo.getGoal().trim().split(":");
                if (p.length == 3) {
                    // <groupId>:<artifactId>:<goal>
                    groupId = p[0];
                    artifactId = p[1];
                    version = null;
                    goal = p[2];

import org.apache.maven.api.PathType;
import org.apache.maven.api.Type;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.impl.resolver.type.DefaultType;
import org.eclipse.aether.artifact.ArtifactType;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;

import static java.util.Objects.requireNonNull;

class TypeRegistryAdapter implements ArtifactTypeRegistry {
    private final TypeRegistry typeRegistry;

    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <properties>
        <codehaus.groupId>org.codehaus.mojo</codehaus.groupId>
    </properties>

    <build>

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>

  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>test</groupId>
        <artifactId>a</artifactId>
        <version>0.1</version>
        <scope>import</scope>
        <!-- missing type=pom -->

import org.apache.maven.api.model.InputLocation;
import org.apache.maven.api.model.InputSource;
import org.apache.maven.api.services.ModelSource;
import org.apache.maven.api.services.Sources;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.impl.InternalSession;
import org.apache.maven.internal.impl.DefaultProject;
import org.apache.maven.internal.impl.InternalMavenSession;

                    <artifactId>sample</artifactId>
                    <version>1.0.0</version>

                    <dependencyManagement>
                      <dependencies>
                        <dependency>
                          <groupId>org.junit</groupId>
                          <artifactId>junit-bom</artifactId>
                          <version>5.11.1</version>

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

import javax.xml.stream.XMLStreamException;

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

import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.metadata.v4.MetadataStaxWriter;

/**