protected String component() {
        return "deployer";
    }

    @Test
    void testArtifactInstallation() throws Exception {
        sessionScope.enter();
        try {
            sessionScope.seed(MavenSession.class, mock(MavenSession.class));

            String artifactBasedir = new File(getBasedir(), "src/test/resources/artifact-install").getAbsolutePath();

        assertNotSame(bean.myBean.getClass(), MySessionScopedBean.class);

        assertThrows(OutOfScopeException.class, () -> bean.myBean.getSession());

        sessionScope.enter();
        sessionScope.seed(Session.class, this.session);
        assertNotNull(bean.myBean.getSession());
        assertNotNull(bean.myBean.getAnotherBean());
        assertSame(bean.myBean.getAnotherBean().getClass(), AnotherBean.class);

import org.apache.maven.api.settings.Settings;

/**
 * The session to install / deploy / resolve artifacts and dependencies.
 *
 * TODO: move the remote repositories in the requests (plugins will need to access this list somehow)
 * TODO: add request trace so that requests can be linked together and through the resolver
 * TODO: add a Request interface holding session + parent request
 *
 * @since 4.0.0
 */

                .withRemoteRepositories(Collections.singletonList(remoteRepository));
        InternalSession.associate(rss, this.session);
        sessionScope.enter();
        sessionScope.seed(InternalMavenSession.class, InternalMavenSession.from(this.session));
    }

    private Project project(Artifact artifact) {
        return session.getService(ProjectBuilder.class)

            File outputDirectory = new File(project.getBuild().getOutputDirectory());

            // Check if the project is being built during this session, and if we can expect any output.
            // There is no need to check if the build has created any outputs, see MNG-2222.
            boolean projectCompiledDuringThisSession =
                    project.hasLifecyclePhase("compile") && COMPILE_PHASE_TYPES.contains(type);

                // invalid version range, so drop back to resolution from the repository
                return null;
            }
        }

        //
        // Here we just need to know that a version is fine to use but this validation we can do in our workspace
        // resolver.
        //

        /*

  |   be done with a regex, but we need inter-field validation and rules which could be
  |   dealt with by something like drools.
  |
  | o i18n: would be good to be able to have names/descriptions/specifications
  |   in as many languages as possible. (see MNG-3626)
  |
  | o annotation mechanism so that changes to the model can be accurately tracked.
  |

 * the {@link ProjectBuilder} service.
 *
 * TODO: replace ModelRepositoryHolder with just the enum for the strategy
 * TODO: replace validation level with an enum (though, we usually need just a boolean)
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface ModelBuilderRequest {

    /**

            this.modelCache = DefaultModelCache.newInstance(session, true);
        }

        ExecutorService createExecutor(int parallelism) {
            //
            // We need an executor that will not block.
            // We can't use work stealing, as we are building a graph
            // and this could lead to cycles where a thread waits for

Thread { private java.io.InputStream input; private java.io.OutputStream output; private boolean done; public void StreamFeeder(java.io.InputStream, java.io.OutputStream); public void run(); public void close(); public boolean isDone(); private void feed() throws java.io.IOException; } org/codehaus/plexus/util/cli/StreamPumper.class package org.codehaus.plexus.util.cli; public synchronized class StreamPumper extends Thread { private java.io.BufferedReader in; private StreamConsumer consumer; private...