}
    }

    private void baseDirectory(MavenExecutionRequest request) {
        if (request.getBaseDirectory() == null && request.getPom() != null) {
            request.setBaseDirectory(request.getPom().getAbsoluteFile().getParentFile());
        }
    }

    /*if_not[MAVEN4]*/

    @Override
    @Deprecated

    // -----------------------------------------------------
    //                                          Mail Address
    //                                          ------------
    public void setFrom(String from, String personal) {
        doSetFrom(from, personal);
    }

    public void addTo(String to) {
        doAddTo(to);
    }

    public void addTo(String to, String personal) {

        return artifactId;
    }

    public DefaultPluginVersionRequest setArtifactId(String artifactId) {
        this.artifactId = artifactId;

        return this;
    }

    public Model getPom() {
        return pom;
    }

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

        return this;
    }

    }

    @Override
    public List<MavenProject> collectProjects(MavenExecutionRequest request) throws ProjectBuildingException {
        List<File> files = Collections.singletonList(request.getPom().getAbsoluteFile());
        return projectsSelector.selectProjects(files, request);
    }

                    SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);
                    EsStatusPostcard.droppedInto(postbox, postcard -> {
                        postcard.setFrom(fessConfig.getMailFromAddress(), fessConfig.getMailFromName());
                        postcard.addReplyTo(fessConfig.getMailReturnPath());
                        if (toAddresses.length > 0) {

        MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

        XmlNode executionConfiguration = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;
        if (executionConfiguration == null) {
            executionConfiguration = new XmlNodeImpl("configuration");
        }

    // -----------------------------------------------------
    //                                          Mail Address
    //                                          ------------
    public void setFrom(String from, String personal) {
        doSetFrom(from, personal);
    }

    public void addTo(String to) {
        doAddTo(to);
    }

    public void addTo(String to, String personal) {

            this.pluginGroups = Collections.unmodifiableList(pluginGroups);
        } else {
            this.pluginGroups = Collections.emptyList();
        }

        return this;
    }

    public Model getPom() {
        return pom;
    }

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

        return this;
    }

    public List<RemoteRepository> getRepositories() {

    public String getGoal() {
        return delegate.getGoal();
    }

    @Override
    public Optional<XmlNode> getConfiguration() {
        return Optional.of(delegate.getConfiguration()).map(Xpp3Dom::getDom);
    }

    @Override
    public String toString() {
        return delegate.toString();
    }

     *
     * @return The POM whose build plugins are to be scanned for the prefix or {@code null} to only search the plugin
     *         repositories.
     */
    Model getPom();

    /**
     * Sets the POM whose build plugins are to be scanned for the prefix.
     *
     * @param pom The POM whose build plugins are to be scanned for the prefix, may be {@code null} to only search the