}

        projectRealmCache.register(project, projectRealmKey, record);

        return record;
    }

    @Override
    public void selectProjectRealm(MavenProject project) {
        ClassLoader projectRealm = project.getClassRealm();

        if (projectRealm == null) {
            projectRealm = classRealmManager.getCoreRealm();

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

                "beforeProjectExecution project-basic", //
                "beforeProjectLifecycleExecution project-basic", //
                "beforeMojoExecution project-basic:default-resources", //
                "afterMojoExecutionSuccess project-basic:default-resources", //
                "beforeMojoExecution project-basic:default-compile", //
                "afterMojoExecutionSuccess project-basic:default-compile", //

    }

    public ProjectExecutionEvent(MavenSession session, MavenProject project, Throwable cause) {
        this(session, project, null, cause);
    }

    public ProjectExecutionEvent(
            MavenSession session, MavenProject project, List<MojoExecution> executionPlan, Throwable cause) {
        this.session = session;
        this.project = project;
        this.executionPlan = executionPlan;
        this.cause = cause;
    }

    private final MavenProject project;

    public DuplicateArtifactAttachmentException(MavenProject project, Artifact artifact) {
        super(constructMessage(project, artifact));
        this.project = project;
        this.artifact = artifact;
    }

    private static String constructMessage(MavenProject project, Artifact artifact) {

     * collected from this method in combination with a custom cache implementation to dispose unused records from the
     * cache.
     *
     * @param project The project that employs the plugin realm, must not be {@code null}.
     * @param record The cache record being used for the project, must not be {@code null}.
     */

        List<MavenProject> filtered = new ArrayList<>(projects.size());
        for (MavenProject project : projects) {
            if (whiteList.containsKey(project)) {
                filtered.add(project);
            } else if (!transitive) {
                filtered.addAll(upstream ? getUpstreamProjects(project, false) : getDownstreamProjects(project, false));
            }
        }
        if (filtered.isEmpty() || filtered.size() == 1) {

        // Project A should have the highest weight as it's at the root
        assertTrue(weightA > weightB, "Project A should have weight > Project B");
        assertTrue(weightA > weightC, "Project A should have weight > Project C");
        assertTrue(weightB > weightX, "Project B should have weight > Project X");
        assertTrue(weightC > weightX, "Project C should have weight > Project X");
    }

import java.io.File;

/**
 * Locates a POM file within a project base directory.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelLocator {

    /**
     * Locates the POM file within the specified project directory. In case the given project directory does not exist

  </description>

  <build>
    <!-- project extensions should precede inherited extensions -->
    <extensions>
      <extension>
        <groupId>org.apache.maven.its.mng3899</groupId>
        <artifactId>b</artifactId>
        <version>0.1</version>
      </extension>
      <extension>
        <!-- project extensions should override inherited extension with equal gid:aid -->