ArtifactRepository repository, RepositorySystemSession session, RepositorySystem system) {
        if (repository == null || repository.getBasedir() == null) {
            return session;
        }

        DefaultRepositorySystemSession newSession;
        if (session != null) {
            LocalRepositoryManager lrm = session.getLocalRepositoryManager();

import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Base class for requests.
 *
 * @since 4.0.0
 */
@Experimental
abstract class BaseRequest {

    private final Session session;

    protected BaseRequest(@Nonnull Session session) {
        this.session = nonNull(session, "session cannot be null");
    }

        Key cacheKey = null;
        RepositoryCache cache = session.getCache();
        if (cache != null && !ConfigUtils.getBoolean(session, false, "aether.versionResolver.noCache")) {
            cacheKey = new Key(session, request);

            Object obj = cache.get(session, cacheKey);
            if (obj instanceof Record) {
                Record record = (Record) obj;

     */
    @Nonnull
    default ProjectBuilderResult build(@Nonnull Session session, @Nonnull Source source) {
        return build(ProjectBuilderRequest.build(session, source));
    }

    /**
     * Creates a {@link org.apache.maven.api.Project} from a POM file.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param path the {@link Path}, must not be {@code null}

            }
        }

        return results;
    }

    public ArtifactResult resolveArtifact(RepositorySystemSession session, ArtifactRequest request)
            throws ArtifactResolutionException {
        return resolveArtifacts(session, Collections.singleton(request)).get(0);
    }

     */
    @Nonnull
    default VersionResolverResult resolve(@Nonnull Session session, @Nonnull ArtifactCoordinates artifactCoordinates)
            throws VersionResolverException {
        return resolve(VersionResolverRequest.build(session, artifactCoordinates));
    }

    /**
     * Resolves an artifact's meta version (if any) to a concrete version.
     * For example, resolves "1.0-SNAPSHOT" to "1.0-20090208.132618-23".

        try {
            Result<ProjectDependencyGraph> result = sessionDependencyGraph(session);

            if (result == null) {
                final List<MavenProject> projects = getProjectsForMavenReactor(session);
                validateProjects(projects, session.getRequest());
                processPackagingAttribute(projects, session.getRequest());

```Python
async def get_database():
    with Session() as session:
        try:
            yield session
        except HTTPException:
            session.rollback()
            raise
        finally:
            session.close()
```

	c.Helper()
	versions := []string{}
	for i := 0; i < 5; i++ {
		ui, err := client.PutObject(ctx, bucket, "some-object", bytes.NewBuffer([]byte("stuff")), 5, minio.PutObjectOptions{})
		if err != nil {
			c.Fatalf("upload did not succeed got %#v", err)
		}
		versions = append(versions, ui.VersionID)
	}
	return versions
}

        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);