configuration.addChild("uri", "${session.rootDirectory.uri}");
        configuration.addChild("path", "${session.rootDirectory}");
        configuration.addChild("uriString", "${session.rootDirectory.uri.string}");
        configuration.addChild("uriAsciiString", "${session.rootDirectory.uri.ASCIIString}");
        configuration.addChild("pathString", "${session.rootDirectory.string}");

        Mojo mojo = new Mojo();

    const Graph& graph = session->graph->graph;

    const string& mutation_warning = session->graph->sessions[session];
    if (!mutation_warning.empty()) {
      // TODO(b/74949947): turn this back into an error status
      LOG(WARNING) << mutation_warning;
      session->graph->sessions[session].clear();
    }

    const auto num_nodes = graph.num_node_ids();

     */
    boolean isInUse();

    /**
     * Returns the current session key used for signing and encryption.
     *
     * @return the current session key
     * @throws CIFSException if the session key cannot be retrieved
     */
    byte[] getSessionKey() throws CIFSException;

    /**
     * Returns the SMB transport associated with this session.
     *
     * @return the transport for this session
     */

            MavenSession session, MavenProject project, MojoExecution mojoExecution, Mojo mojo, Throwable cause) {
        this.session = session;
        this.project = project;
        this.mojoExecution = mojoExecution;
        this.mojo = mojo;
        this.cause = cause;
    }

    public MavenSession getSession() {
        return session;
    }

    public MavenProject getProject() {
        return project;
    }

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

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

    private VersionsMetadataGenerator(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());

abstract class BaseRequest<S extends ProtoSession> implements Request<S> {

    private final S session;
    private final RequestTrace trace;

    protected BaseRequest(@Nonnull S session) {
        this(session, null);
    }

    protected BaseRequest(@Nonnull S session, RequestTrace trace) {
        this.session = requireNonNull(session, "session cannot be null");
        this.trace = trace;
    }

    @Nonnull
    @Override

                .setLocalRepository(session.getLocalRepository())
                .setOffline(session.isOffline())
                .setForceUpdate(session.getRequest().isUpdateSnapshots());
        request.setServers(session.getRequest().getServers());
        request.setMirrors(session.getRequest().getMirrors());
        request.setProxies(session.getRequest().getProxies());

    private MavenSession session;

    private MojoExecution mojoExecution;

    private MavenProject project;

    private String basedir;

    private Properties properties;

    public PluginParameterExpressionEvaluator(MavenSession session) {
        this(session, null);
    }

    public PluginParameterExpressionEvaluator(MavenSession session, MojoExecution mojoExecution) {

     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull
    default SettingsBuilderResult build(
            @Nonnull Session session, @Nonnull Source installationSettingsSource, @Nonnull Source userSettingsSource) {
        return build(session, installationSettingsSource, null, userSettingsSource);
    }

    /**
     * Builds the effective settings of the specified settings paths.
     *