}
        if (coreExtension.getArtifactId() != null) {
            serializer
                    .startTag(NAMESPACE, "artifactId")
                    .text(coreExtension.getArtifactId())
                    .endTag(NAMESPACE, "artifactId");
        }
        if (coreExtension.getVersion() != null) {
            serializer
                    .startTag(NAMESPACE, "version")

  </properties>

  <build>
    <directory>${project.basedir}/target</directory>
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <finalName>${project.artifactId}-${project.version}</finalName>
    <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>

jar maven-core-it file:///${basedir}/repo true true . pom.xml src/** src/main/resources META-INF/maven/org.apache.maven.its.mng3906/e/pom.properties #Generated by Maven #Sun Dec 14 12:11:54 CET 2008 version=0.1 groupId=org.apache.maven.its.mng3906 artifactId=e...

                        return Collections.singletonList(Plugin.newBuilder()
                                .groupId(pluginDescriptor.getGroupId())
                                .artifactId(pluginDescriptor.getArtifactId())
                                .version(pluginDescriptor.getVersion())
                                .configuration(phase.getConfiguration())

  </properties>

  <build>
    <directory>${project.basedir}/target</directory>
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <finalName>${project.artifactId}-${project.version}</finalName>
    <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>

        this(parent, type, null, artifactHandler);
    }

    @Override
    public void setArtifactId(String artifactId) {
        throw new UnsupportedOperationException(
                "Cannot change the artifactId for an attached artifact." + " It is derived from the main artifact.");
    }

    @Override
    public List<ArtifactVersion> getAvailableVersions() {

 */
@Deprecated(since = "4.0.0")
public interface ProjectBuildingResult {

    /**
     * Gets the identifier of the project that could not be built. The general format of the identifier is {@code
     * <groupId>:<artifactId>:<version>} but some of these coordinates may still be unknown at the point the exception
     * is thrown so this information is merely meant to assist the user.
     *

            throw new MetadataResolutionException(
                    "treenode without metadata, parent: " + (parent == null ? "null" : parent.toString()));
        }

        return md.groupId + ":" + md.artifactId;
    }

    // ------------------------------------------------------------------------
    public boolean hasChildren() {
        return children != null;
    }

 */
public class ProjectActivation {

    /**
     * ProjectActivationSettings
     * @param selector the selector of a project, which can be the project directory, [groupId]:[artifactId] or :[artifactId]
     * @param activationSettings describes how/when to active or deactivate the project
     */
    public record ProjectActivationSettings(String selector, ActivationSettings activationSettings) {}

    /**

    }

    static Plugin plugin(String coords, String phase) {
        String[] c = coords.split(":");
        return Plugin.newBuilder()
                .groupId(c[0])
                .artifactId(c[1])
                .version(c[2])
                .executions(Collections.singletonList(PluginExecution.newBuilder()
                        .id("default-" + c[3])
                        .phase(phase)