assertEquals("maven-it-plugin-a", pom.getValue("build/plugins[1]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
        assertEquals("maven-it-plugin-b", pom.getValue("build/plugins[2]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());

            String pluginId = extension.getPluginId();
            ClassExtensionDoc classExtensionDoc = plugins.get(pluginId);
            if (classExtensionDoc == null) {
                classExtensionDoc = new ClassExtensionDoc(pluginId, classDoc);
                plugins.put(pluginId, classExtensionDoc);
            }

            plugins = new LinkedHashSet<>();

            plugins.add(newPlugin("maven-compiler-plugin", "compile", "testCompile"));
            plugins.add(newPlugin("maven-resources-plugin", "resources", "testResources"));
            plugins.add(newPlugin("maven-surefire-plugin", "test"));
            plugins.add(newPlugin("maven-jar-plugin", "jar"));
            plugins.add(newPlugin("maven-install-plugin", "install"));

        "compile", "org.apache.maven.plugins:maven-compiler-plugin:" + COMPILER_PLUGIN_VERSION + ":compile",
        "process-classes", "org.apache.maven.plugins:maven-plugin-plugin:" + PLUGIN_PLUGIN_VERSION + ":descriptor",
        "process-test-resources",
                "org.apache.maven.plugins:maven-resources-plugin:" + RESOURCES_PLUGIN_VERSION + ":testResources",

        }
    }

    private void addPlugin(Map<Plugin, Plugin> plugins, Plugin plugin) {
        Plugin cur = plugins.putIfAbsent(plugin, plugin);
        if (cur != null) {
            Map<String, PluginExecution> execs = new LinkedHashMap<>();
            cur.getExecutions().forEach(e -> execs.put(e.getId(), e));
            plugin.getExecutions().forEach(e -> {
                int i = 0;

        "test", "org.apache.maven.plugins:maven-surefire-plugin:" + SUREFIRE_PLUGIN_VERSION + ":test",
        "package", "org.apache.maven.plugins:maven-jar-plugin:" + JAR_PLUGIN_VERSION + ":jar",
        "install", "org.apache.maven.plugins:maven-install-plugin:" + INSTALL_PLUGIN_VERSION + ":install",
        "deploy", "org.apache.maven.plugins:maven-deploy-plugin:" + DEPLOY_PLUGIN_VERSION + ":deploy"
    };
    // END SNIPPET: jar

                "org.apache.maven.plugins:maven-ear-plugin:" + EAR_PLUGIN_VERSION + ":generate-application-xml",
        "process-resources",
                "org.apache.maven.plugins:maven-resources-plugin:" + RESOURCES_PLUGIN_VERSION + ":resources",
        "package", "org.apache.maven.plugins:maven-ear-plugin:" + EAR_PLUGIN_VERSION + ":ear",
        "install", "org.apache.maven.plugins:maven-install-plugin:" + INSTALL_PLUGIN_VERSION + ":install",

import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;

// TODO lifecycles being executed
// TODO what runs in each phase
// TODO plugins that need downloading
// TODO project dependencies that need downloading
// TODO unfortunately the plugins need to be downloaded in order to get the plugin.xml file. need to externalize this

        // Plugins
        // ----------------------------------------------------------------------

        List<Plugin> plugins = project.getBuildPlugins();

        // Plugin0 [plexus]

        String key = "org.apache.maven.plugins:maven-plexus-plugin";

        Plugin plugin = null;
        for (Plugin check : plugins) {
            if (key.equals(check.getKey())) {

        if (build != null) {
            List<Plugin> plugins = build.getPlugins();
            Map<Object, Plugin> normalized = new LinkedHashMap<>(plugins.size() * 2);

            for (Plugin plugin : plugins) {
                Object key = plugin.getKey();
                Plugin first = normalized.get(key);
                if (first != null) {
                    plugin = merger.mergePlugin(plugin, first);
                }