*            plugin repositories.
     * @return This request, never {@code null}.
     */
    PluginPrefixRequest setPom(Model pom);

    /**
     * Gets the remote repositories to use.
     *
     * @return The remote repositories to use, never {@code null}.
     */
    List<RemoteRepository> getRepositories();

    /**

     *            plugin repositories.
     * @return This request, never {@code null}.
     */
    PluginVersionRequest setPom(Model pom);

    /**
     * Gets the remote repositories to use.
     *
     * @return The remote repositories to use, never {@code null}.
     */
    List<RemoteRepository> getRepositories();

    /**

    }

    protected MavenExecutionRequest createMavenExecutionRequest(File pom) throws Exception {
        MavenExecutionRequest request = new DefaultMavenExecutionRequest()
                .setPom(pom)
                .setProjectPresent(true)
                .setShowErrors(true)
                .setPluginGroups(Arrays.asList("org.apache.maven.plugins"))
                .setLocalRepository(getLocalRepository())

        this.artifactId = artifactId;

        return this;
    }

    public Model getPom() {
        return pom;
    }

    public DefaultPluginVersionRequest setPom(Model pom) {
        this.pom = pom;

        return this;
    }

    public List<RemoteRepository> getRepositories() {
        return repositories;
    }

    }

    protected MavenExecutionRequest createMavenExecutionRequest(File pom) throws Exception {
        MavenExecutionRequest request = new DefaultMavenExecutionRequest()
                .setPom(pom)
                .setProjectPresent(true)
                .setShowErrors(true)
                .setPluginGroups(Arrays.asList("org.apache.maven.plugins"))
                .setLocalRepository(getLocalRepository())

        MavenProject project = session.getCurrentProject();
        if (project != null) {
            setRepositories(project.getRemotePluginRepositories());
            setPom(project.getModel());
        }

        setPluginGroups(session.getPluginGroups());
    }

    public String getPrefix() {
        return prefix;
    }

        return useReactor;
    }

    /** @deprecated use {@link #setPom(File)} */
    @Deprecated
    public MavenExecutionRequest setPomFile(String pomFilename) {
        if (pomFilename != null) {
            pom = new File(pomFilename);
        }

        return this;
    }

    @Override
    public MavenExecutionRequest setPom(File pom) {
        this.pom = pom;

        return this;
    }

    }

    public Plugin getPluginDefinitionForPrefix(String prefix, MavenSession session, MavenProject project) {
        PluginPrefixRequest request = new DefaultPluginPrefixRequest(prefix, session);
        request.setPom(project.getModel());

        try {
            PluginPrefixResult result = pluginPrefixResolver.resolve(request);

            Plugin plugin = new Plugin();
            plugin.setGroupId(result.getGroupId());

    int getDegreeOfConcurrency();

    // Recursive (really to just process the top-level POM)
    MavenExecutionRequest setRecursive(boolean recursive);

    boolean isRecursive();

    MavenExecutionRequest setPom(File pom);

    File getPom();

    // Errors
    MavenExecutionRequest setShowErrors(boolean showErrors);

    boolean isShowErrors();

    // Transfer listeners