MavenExecutionRequest request = new DefaultMavenExecutionRequest();
        request.setLocalRepository(getLocalRepository());
        assertNull(systemSessionFactory.newRepositorySession(request).getUpdatePolicy());

        request = new DefaultMavenExecutionRequest();
        request.setLocalRepository(getLocalRepository());
        request.setNoSnapshotUpdates(true);
        assertEquals(

        request.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0);
        request.setResolveDependencies(false);

        request.setLocalRepository(configuration.getLocalRepository());
        request.setBuildStartTime(configuration.getBuildStartTime());
        request.setUserProperties(configuration.getUserProperties());

                .setPom(pom)
                .setProjectPresent(true)
                .setShowErrors(true)
                .setPluginGroups(Arrays.asList("org.apache.maven.plugins"))
                .setLocalRepository(getLocalRepository())
                .setRemoteRepositories(getRemoteRepositories())
                .setPluginArtifactRepositories(getPluginArtifactRepositories())
                .setGoals(Arrays.asList("package"));

        MetadataResolutionRequest request = new DefaultMetadataResolutionRequest();
        injectSession(request);
        request.setArtifact(artifact);
        request.setLocalRepository(localRepository);
        request.setRemoteRepositories(remoteRepositories);
        request.setResolveManagedVersions(resolveManagedVersions);
        return retrieve(request);
    }

    @Override

        setRemoteRepositories(request.getRemoteRepositories());
        setPluginArtifactRepositories(request.getPluginArtifactRepositories());
        setRepositorySession(request.getRepositorySession());
        setLocalRepository(request.getLocalRepository());
        setBuildStartTime(request.getBuildStartTime());
        setProject(request.getProject());
        setResolveDependencies(request.isResolveDependencies());

                .setPom(pom)
                .setProjectPresent(true)
                .setShowErrors(true)
                .setPluginGroups(Arrays.asList("org.apache.maven.plugins"))
                .setLocalRepository(getLocalRepository())
                .setRemoteRepositories(getRemoteRepositories())
                .setPluginArtifactRepositories(getPluginArtifactRepositories())
                .setGoals(Arrays.asList("package"));

    }

    protected MavenProject getProject(Artifact pom, boolean allowStub) throws Exception {
        ProjectBuildingRequest configuration = new DefaultProjectBuildingRequest();
        configuration.setLocalRepository(getLocalRepository());
        initRepoSession(configuration);

        return projectBuilder.build(pom, allowStub, configuration).getProject();
    }

    /**

    public DefaultMavenExecutionRequest() {}

    public static MavenExecutionRequest copy(MavenExecutionRequest original) {
        DefaultMavenExecutionRequest copy = new DefaultMavenExecutionRequest();
        copy.setLocalRepository(original.getLocalRepository());
        copy.setLocalRepositoryPath(original.getLocalRepositoryPath());
        copy.setOffline(original.isOffline());
        copy.setInteractiveMode(original.isInteractiveMode());

                .setArtifact(artifact)
                .setResolveRoot(true)
                .setResolveTransitively(true)
                .setRemoteRepositories(getRemoteRepositories())
                .setLocalRepository(getLocalRepository());

        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession();
        LocalRepository localRepo =

                .setSystemProperties(properties)
                .setGoals(Collections.emptyList())
                .setBaseDirectory(new File(""))
                .setLocalRepository(repo);

        DefaultRepositorySystemSession repositorySession =
                new DefaultRepositorySystemSession(h -> false); // no close handle