.build()) {
            MavenSession mSession = new MavenSession(repoSession, request, new DefaultMavenExecutionResult());
            InternalSession iSession = new SimpleSession(mSession, repoSystem, null);
            InternalSession.associate(repoSession, iSession);

            List<RemoteRepository> repositories = RepositoryUtils.toRepos(request.getPluginArtifactRepositories());

    /**
     * @return whether the session is in use
     */
    boolean isInUse ();


    /**
     * @return the current session key
     * @throws CIFSException
     */
    byte[] getSessionKey () throws CIFSException;


    /**
     * 
     * @return the transport for this session
     */
    SmbTransport getTransport ();


    /**

 *     <li>{@linkplain Project#getPomArtifact() the project POM artifact}</li>
 *     <li>{@linkplain Project#getMainArtifact() the main artifact}</li>
 *     <li>{@linkplain org.apache.maven.api.services.ProjectManager#attachArtifact(Session, Project, Path) artifacts to be attached to a project}</li>
 * </ul>
 *
 * <p>For the main artifact and attached artifacts, the
 * {@link org.apache.maven.api.services.ArtifactManager ArtifactManager} service must be used

import org.apache.maven.api.di.Named;

/**
 * Component able to contribute to Maven session user properties. This SPI component is invoked
 * very early, while there is no session created yet.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
@Named
public interface PropertyContributor extends SpiService {
    /**
     * Invoked just before session is created with a mutable map that carries collected user properties so far.
     *

            properties:
              bfdProfile:
                description: The name of the BFD Profile to be used for the BFD session
                  associated to the BGP session. If not set, the BFD session won't
                  be set up.
                type: string
              ebgpMultiHop:
                description: To set if the BGPPeer is multi-hops away. Needed for

    }

    @Override
    public InstallResult install(RepositorySystemSession session, InstallRequest request) throws InstallationException {
        return installer.install(session, consumerPomArtifactTransformer.remapInstallArtifacts(session, request));
    }

            log.error("Failed to get session key", ex);
        }
        return key;
    }


    /**
     * Calculates the effective user session key.
     *
     * @param tc
     *            context to use
     * @param chlng
     *            The server challenge.
     * @param dest
     *            The destination array in which the user session key will be
     *            placed.

    @Nonnull
    RemoteRepository createRemote(@Nonnull Repository repository);

    @Nonnull
    List<RemoteRepository> aggregate(
            @Nonnull Session session,
            @Nonnull List<RemoteRepository> dominant,
            @Nonnull List<RemoteRepository> recessive,
            boolean processRecessive);

            ExecutionEvent ee = (ExecutionEvent) arg;
            InternalMavenSession session =
                    InternalMavenSession.from(ee.getSession().getSession());
            Collection<Listener> listeners = session.getListeners();
            if (!listeners.isEmpty()) {
                Event event = new DefaultEvent(session, ee);
                for (Listener listener : listeners) {
                    listener.onEvent(event);

func TestPreloadGoroutine(t *testing.T) {
	var wg sync.WaitGroup

	wg.Add(10)
	for i := 0; i < 10; i++ {
		go func() {
			defer wg.Done()
			var user2 []User
			tx := DB.Where("id = ?", 1).Session(&gorm.Session{})

			if err := tx.Preload("Team").Find(&user2).Error; err != nil {
				t.Error(err)
			}
		}()
	}
	wg.Wait()
}

func TestPreloadWithDiffModel(t *testing.T) {