"Version change should persist - this verifies the plugin is connected to the model");

        // Also verify the change is reflected in the build plugins list
        Plugin pluginFromBuildList = project.getBuild().getPlugins().stream()
                .filter(p -> "org.apache.maven.plugins:maven-compiler-plugin".equals(p.getKey()))
                .findFirst()
                .orElse(null);

        Plugin pluginInPom = findPlugin(plugin, project.getBuildPlugins());

        if (pluginInPom == null && project.getPluginManagement() != null) {
            pluginInPom = findPlugin(plugin, project.getPluginManagement().getPlugins());
        }

        if (pluginInPom != null) {
            if (plugin.getVersion() == null) {
                plugin.setVersion(pluginInPom.getVersion());
            }

        Plugin plugin = new Plugin();
        plugin.setGroupId("org.apache.maven.test.MavenExecutionPlan");
        plugin.setArtifactId("stub-plugin-" + phaseName);
        descriptor.setPlugin(plugin);
        descriptor.setArtifactId("artifact." + phaseName);
        mojoDescriptor.setPluginDescriptor(descriptor);
        mojoDescriptor.setThreadSafe(threadSafe);
        return mojoDescriptor;
    }

        // =============================================
        assertEquals("||${project.basedir}||", originalModel.getProperties().get("prop-outside"));

        List<Plugin> outsidePlugins = originalModel.getBuild().getPlugins();
        assertEquals(1, outsidePlugins.size());

        checkBuildPluginWithArtifactId(
                outsidePlugins,
                "plugin-all-profiles",
                "Outside ||${project.basedir}||",

            }
        }

        private void visit(BuildBase build) {
            if (build != null) {
                String org, val;
                // Plugins
                for (Plugin plugin : build.getPlugins()) {
                    visit(plugin);
                }
                // PluginManagement
                visit(build.getPluginManagement());
                // DefaultGoal

                        false);
            }

            Build build = project.getModel().getDelegate().getBuild();
            if (build != null) {
                for (Plugin plugin : build.getPlugins()) {
                    addEdge(
                            projectMap,
                            vertexMap,
                            project,
                            projectVertex,

        this.requiredJavaVersion = requiredJavaVersion;
    }

    public String getRequiredJavaVersion() {
        return requiredJavaVersion;
    }

    public void setPlugin(Plugin plugin) {
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

    public Artifact getPluginArtifact() {
        return pluginArtifact;
    }

        Build build = effectiveModel.getBuild();
        if (build != null) {
            // Check build/plugins - these are the actual plugins used in the build
            for (Plugin plugin : build.getPlugins()) {
                String pluginKey = getPluginKey(plugin);
                PluginUpgrade upgrade = pluginUpgrades.get(pluginKey);
                if (upgrade != null) {

                        .collect(Collectors.toSet());
                for (BuildStep step : planSteps) {
                    MavenProject project = step.project;
                    for (Plugin plugin : project.getBuild().getPlugins()) {
                        for (PluginExecution execution : plugin.getExecutions()) {
                            for (String goal : execution.getGoals()) {

            // pluginArtifacts
            Set<Artifact> pluginArtifacts = new HashSet<>();
            for (Plugin plugin : project.getModel().getDelegate().getBuild().getPlugins()) {
                Artifact artifact = repositorySystem.createPluginArtifact(new org.apache.maven.model.Plugin(plugin));

                if (artifact != null) {
                    pluginArtifacts.add(artifact);