}
            versions.put(plugin.getKey(), plugin.getVersion());
        }

        PluginManagement pluginManagement = project.getPluginManagement();
        if (pluginManagement != null) {
            for (Plugin plugin : pluginManagement.getPlugins()) {
                if (plugin.getVersion() == null) {
                    plugin.setVersion(versions.get(plugin.getKey()));

        if (build != null) {
            build = build.withPlugins(expandPlugin(build.getPlugins()));
            PluginManagement pluginManagement = build.getPluginManagement();
            if (pluginManagement != null) {
                build = build.withPluginManagement(
                        pluginManagement.withPlugins(expandPlugin(pluginManagement.getPlugins())));
            }
            model = model.withBuild(build);
        }

            Build build = model.getBuild();
            if (build != null) {
                PluginManagement pluginManagement = build.getPluginManagement();
                if (pluginManagement != null) {
                    return model.withBuild(mergePluginContainerPlugins(build, pluginManagement));
                }
            }
            return model;
        }

  <modelVersion>4.0.0</modelVersion>
  <groupId>test</groupId>
  <artifactId>test</artifactId>
  <version>0.1-SNAPSHOT</version>
  <packaging>pom</packaging>
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.1</version>
          <configuration>
            <source>1.5</source>

    <module>maven-api-core</module>
    <module>maven-api-spi</module>
  </modules>

  <properties>
    <project.directory>api</project.directory>
  </properties>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.codehaus.modello</groupId>
          <artifactId>modello-maven-plugin</artifactId>
          <executions>
            <execution>

    <name>Maven Integration Test :: Dummy Parent</name>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>0.1</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

        MavenProject project = createProject("group", "artifact", "1.0");

        Build build = project.getModel().getBuild();

        PluginManagement pMgmt = new PluginManagement();

        Plugin plugin = createPlugin("other.group", "other-artifact", "1.0");

        Dependency dep = createDependency("group", "artifact", "1.0");

        plugin.addDependency(dep);

    </dependency>
  </dependencies>
  <build>
    <finalName>simple-webapp</finalName>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.3.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

    <name>Maven Integration Test :: Dummy Parent</name>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>0.1</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

                        added.put(key, element);
                    }
                    merged.put(key, element);
                }

                if (!added.isEmpty()) {
                    PluginManagement pluginMgmt = (PluginManagement) context.get(PLUGIN_MANAGEMENT);
                    if (pluginMgmt != null) {
                        for (Plugin managedPlugin : pluginMgmt.getPlugins()) {