import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.annotations.ThreadSafe;

import static java.util.Objects.requireNonNull;

/**
 * The proto session, material used to create {@link Session}.
 *
 * @since 4.0.0
 */
@Experimental
@ThreadSafe
public interface ProtoSession {

    /**

     * Removes URL filters, URL queues, and access result data for the session.
     *
     * @param sessionId the session ID whose data should be deleted
     */
    private void deleteBySessionId(final String sessionId) {
        try {
            urlFilterService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter: sessionId={}", sessionId, e);

> NOTE: In the following commands `--role-arn` and `--role-session-name` are not meaningful for MinIO and can be set to any value satisfying the command line requirements.

```
$ aws --profile foobar --endpoint-url http://localhost:9000 sts assume-role --policy '{"Version":"2012-10-17","Statement":[{"Sid":"Stmt1","Effect":"Allow","Action":"s3:*","Resource":"arn:aws:s3:::*"}]}' --role-arn arn:xxx:xxx:xxx:xxxx --role-session-name anything
{
    "AssumedRoleUser": {

    @Override
    public void execute(MavenSession session) {
        eventCatapult.fire(ExecutionEvent.Type.SessionStarted, session, null);

        ReactorContext reactorContext = null;
        ProjectBuildList projectBuilds = null;
        MavenExecutionResult result = session.getResult();

        try {
            if (buildExecutionRequiresProject(session) && projectIsNotPresent(session)) {

            }
        }
    }

    /**
     * Removes the path mapping list for a session.
     *
     * @param sessionId the session ID
     */
    public void removePathMappingList(final String sessionId) {
        pathMappingMap.remove(sessionId);
    }

    /**
     * Gets the path mapping list for a session.
     *
     * @param sessionId the session ID

    PluginsMetadataGenerator(RepositorySystemSession session, InstallRequest request) {
        this(session, request.getMetadata());
    }

    PluginsMetadataGenerator(RepositorySystemSession session, DeployRequest request) {
        this(session, request.getMetadata());
    }

    private PluginsMetadataGenerator(RepositorySystemSession session, Collection<? extends Metadata> metadatas) {

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

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

     * before they are sorted and actual build execution starts.
     *
     * @param session the Maven session
     * @throws MavenExecutionException in case of issue
     */
    public void afterProjectsRead(MavenSession session) throws MavenExecutionException {
        // do nothing
    }

    /**
     * Invoked after MavenSession instance has been created.
     *

    @Override
    public AuthenticationInfo getAuthenticationInfo(String id) {
        MavenSession session = legacySupport.getSession();

        if (session != null && id != null) {
            MavenExecutionRequest request = session.getRequest();

            if (request != null) {
                List<Server> servers = request.getServers();

                if (servers != null) {

            }
        }

        return results;
    }

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