/**
     * Sets up class realm for the specified build extensions plugin.
     *
     * @since 3.3.0
     */
    ExtensionRealmCache.CacheRecord setupExtensionsRealm(
            MavenProject project, Plugin plugin, RepositorySystemSession session) throws PluginManagerException;

    /**

            ExtensionRealmCache.CacheRecord extensionRecord;
            try {
                RepositorySystemSession repositorySession = session.getRepositorySession();
                extensionRecord = setupExtensionsRealm(project, plugin, repositorySession);
            } catch (PluginManagerException e) {
                // extensions realm is expected to be fully setup at this point

        List<Artifact> publicArtifacts = new ArrayList<>();

        for (Plugin plugin : extensionPlugins) {
            ExtensionRealmCache.CacheRecord recordRealm =
                    pluginManager.setupExtensionsRealm(project, plugin, request.getRepositorySession());

            final ClassRealm extensionRealm = recordRealm.getRealm();
            final ExtensionDescriptor extensionDescriptor = recordRealm.getDescriptor();