*
 * 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
 */
@Experimental
@ThreadSafe
public interface Session {

    @Nonnull
    Settings getSettings();

        Metadata metadata = request.getMetadata();

        String path;
        if (request.getRepository() == null) {
            path = getPathForLocalMetadata(metadata);
        } else {
            path = getPathForRemoteMetadata(metadata, request.getRepository(), request.getContext());
        }

        }

        if (mojoDescriptor.isProjectRequired() && !session.getRequest().isProjectPresent()) {
            Throwable cause = new MissingProjectException(
                    "Goal requires a project to execute" + " but there is no POM in this directory ("
                            + session.getExecutionRootDirectory() + ")."
                            + " Please verify you invoked Maven from the correct directory.");

        List<? extends ValueSource> valueSources = createValueSources(model, projectDir, request, problems);
        List<? extends InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, request);

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, request, problems);

        /*
         * Probably is not worth it, but here I make sure I restore request
         * to its original state.
         */
        try {
            LocalArtifactRepository ideWorkspace =
                    plexus.lookup(LocalArtifactRepository.class, LocalArtifactRepository.IDE_WORKSPACE);

        }

        public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
            return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
        }

        public List<ArtifactVersion> retrieveAvailableVersions(MetadataResolutionRequest request)
                throws ArtifactMetadataRetrievalException {

                        "While this /may/ work fine, please look for plugin updates and/or "
                                + "request plugins be made thread-safe.",
                        "If reporting an issue, report it against the plugin in question, not against Apache Maven.")) {
                    logger.warn(s);
                }

    private void injectSession(ArtifactResolutionRequest request) {
        MavenSession session = legacySupport.getSession();

        if (session != null) {
            request.setOffline(session.isOffline());
            request.setForceUpdate(session.getRequest().isUpdateSnapshots());
            request.setServers(session.getRequest().getServers());
            request.setMirrors(session.getRequest().getMirrors());

          <type>boolean</type>
          <description>Flags this Mojo to require running inside of a project.</description>
          <defaultValue>true</defaultValue>
        </field>
        <field>
          <name>projectRequired</name>
          <version>2.0.0+</version>
          <type>boolean</type>
          <description>Flags this Mojo to require running inside of a project.</description>

        this.executionProperties = executionProperties;
        this.request = new DefaultMavenExecutionRequest();
        this.request.setUserProperties(userProperties);
        this.request.setLocalRepository(localRepository);
        this.request.setGoals(goals);
        this.request.setBaseDirectory((executionRootDir != null) ? new File(executionRootDir) : null);
        this.request.setStartTime(startTime);
        this.result = null;