</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 -->

     */
    List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive);

    /**
     * Gets the upstream projects of the specified project. An upstream project is a project that directly or indirectly
     * is a prerequisite of the given project.
     *
     * @param project The project whose upstream projects should be retrieved, must not be {@code null}.

            throws InvalidRepositoryException;

    /**
     * Creates the project realm that hosts the build extensions of the specified model.
     *
     * @param project The project to create the project realm for, must not be {@code null}
     * @param model The model to create the project realm for, must not be {@code null}
     * @param request The project building request holding further settings like repository settings, must not be

     */
    DefaultProjectBuildingResult(
            MavenProject project, List<ModelProblem> problems, DependencyResolutionResult dependencyResolutionResult) {
        this.projectId = (project != null)
                ? project.getGroupId() + ':' + project.getArtifactId() + ':' + project.getVersion()
                : "";

        assertTrue(project.getRemoteArtifactRepositories().isEmpty());

        assertNotNull(project.getPluginArtifactRepositories());
        assertTrue(project.getPluginArtifactRepositories().isEmpty());

        assertNull(project.getParent());
        assertNull(project.getParentArtifact());

        assertFalse(project.isExecutionRoot(), "Expected " + project + ".isExecutionRoot() to return false");
    }

        this.session = session;
        this.project = project;
        ClassLoader ttcl = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(project.getClassRealm());
            this.packaging = session.requirePackaging(project.getPackaging());
        } finally {
            Thread.currentThread().setContextClassLoader(ttcl);
        }
    }

    <dependency>
      <groupId>com.google.j2objc</groupId>
      <artifactId>j2objc-annotations</artifactId>
    </dependency>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>guava</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>

            for (MavenProject project : projects) {
                int len = lineLength
                        - project.getName().length()
                        - project.getPackaging().length()
                        - 2;
                logger.info("{}{}[{}]", project.getName(), chars(' ', (len > 0) ? len : 1), project.getPackaging());
            }

    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) {

    }

    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;
    }