t.Fatalf("errors happened when update: %v", err)
	}

	var user3 User
	DB.Preload("Pets").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user4 User
	DB.Preload("Pets").Find(&user4, "id = ?", user.ID)
	CheckUser(t, user4, user)

        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(h -> false);
        session.setScopeManager(new ScopeManagerImpl(Maven4ScopeManagerConfiguration.INSTANCE));
        session.setArtifactDescriptorPolicy(new SimpleArtifactDescriptorPolicy(true, true));
        DependencyTraverser depTraverser = new FatArtifactTraverser();
        session.setDependencyTraverser(depTraverser);

    private final Type type;

    private final MavenSession session;

    private final MojoExecution mojoExecution;

    private final Exception exception;

    DefaultExecutionEvent(Type type, MavenSession session, MojoExecution mojoExecution, Exception exception) {
        this.type = type;
        this.session = session;
        this.mojoExecution = mojoExecution;
        this.exception = exception;
    }

        MojoExecutorStub mojoExecutor = new MojoExecutorStub() {
            @Override
            public void execute(MavenSession session, List<MojoExecution> mojoExecutions)
                    throws LifecycleExecutionException {
                super.execute(session, mojoExecutions);
                currentProjects.add(session.getCurrentProject());
            }
        };

    public static RepositoryRequest getRepositoryRequest(MavenSession session, MavenProject project) {
        RepositoryRequest request = new DefaultRepositoryRequest();

        request.setLocalRepository(session.getLocalRepository());
        if (project != null) {
            request.setRemoteRepositories(project.getPluginArtifactRepositories());
        }
        request.setOffline(session.isOffline());

                new DefaultArtifact("org.apache.maven.its", "dep-mng5324", "classifierB", "jar", "07.20.3-SNAPSHOT");
        requestB.setArtifact(artifactB);

        VersionResult resultB = versionResolver.resolveVersion(session, requestB);
        assertEquals("07.20.3-20120809.112920-97", resultB.getVersion());

        VersionRequest requestA = new VersionRequest();
        requestA.addRepository(newTestRepository());

 *           type-safe session handling in specific request implementations
 *
 * @see ProtoSession
 * @see RequestTrace
 * @see Result
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Request<S extends ProtoSession> {

    /**
     * Returns the session associated with this request.
     *
     * @return the session instance, never {@code null}
     */
    @Nonnull

    /**
     * Invoked just before session is created with proto session instance. The proto session contains user and
     * system properties collected so far, along with other information. This method should return altered
     * (contributions applied) user properties, not only the "new" or "added" properties!
     *
     * @param protoSession The proto session, never {@code null}.

        return overlay(repository, session);
    }

    public static RepositorySystemSession overlay(ArtifactRepository repository, RepositorySystemSession session) {
        if (repository == null || repository.getBasedir() == null) {
            return session;
        }

        if (session != null) {

    public Plugin findPluginForPrefix(String prefix, MavenSession session) throws NoPluginFoundForPrefixException {
        // [prefix]:[goal]

        if (session.getCurrentProject() != null) {
            try {
                lifecyclePluginResolver.resolveMissingPluginVersions(session.getCurrentProject(), session);
            } catch (PluginVersionResolutionException e) {
                // not critical here