* infrastructure.<br>
 * It features an <code>execute()</code> method, which triggers the Mojo's build-process behavior, and can throw
 * a MojoException if error conditions occur.<br>
 *
 * @since 4.0.0
 */
@Experimental
@FunctionalInterface
@Consumer
public interface Mojo {
    /**
     * Perform whatever build-process behavior this <code>Mojo</code> implements.<br>

 */
@Deprecated
public interface MavenProjectBuilder {

    MavenProject build(File pom, ProjectBuilderConfiguration configuration) throws ProjectBuildingException;

    // TODO maven-site-plugin -- not used by the plugin directly, but used by Doxia Integration Tool & MPIR
    // see DOXIASITETOOLS-167 & MPIR-349
    MavenProject build(File pom, ArtifactRepository localRepository, ProfileManager profileManager)

                        .prefix(pluginInfo.goalPrefix)
                        .artifactId(pluginInfo.artifactId)
                        .name(pluginInfo.name)
                        .build()))
                .build();
    }

    @Override
    protected void merge(Metadata recessive) {
        List<Plugin> recessivePlugins = recessive.getPlugins();
        List<Plugin> plugins = metadata.getPlugins();

        boolean hasProjectSelection = !request.getProjectActivation().isEmpty();
        boolean isRecursive = hasProjectSelection || request.isRecursive();
        List<ProjectBuildingResult> results = projectBuilder.build(files, isRecursive, projectBuildingRequest);

        List<MavenProject> projects = new ArrayList<>(results.size());

        boolean problems = false;

        for (ProjectBuildingResult result : results) {

            while (urls.hasMoreElements()) {

                try (InputStream is = urls.nextElement().openStream()) {
                    ExtensionDescriptor descriptor = BUILDER.build(is);
                    artifacts.addAll(descriptor.getExportedArtifacts());
                    packages.addAll(descriptor.getExportedPackages());
                }
            }
        } catch (IOException ignored) {

/**
 * Provides basic services to manage Maven plugins and their mojos. This component is kept general in its design such
 * that the plugins/mojos can be used in arbitrary contexts. In particular, the mojos can be used for ordinary build
 * plugins as well as special purpose plugins like reports.
 *
 * @since 3.0
 */
@Named
@Singleton
public class DefaultMavenPluginManager implements MavenPluginManager {

    /**
     * <p>

/**
 * This interface is not public and the purpose is to allow easy unit testing
 * of {@link DefaultConsumerPomArtifactTransformer}.
 */
interface ConsumerPomBuilder {

    Model build(RepositorySystemSession session, MavenProject project, Path src)
            throws ModelBuildingException, IOException, XMLStreamException;

     * Shortcut for {@code getService(DependencyResolver.class).flatten(...)}.
     *
     * @param node node for which to get a flattened list
     * @param scope build path scope (main compile, test compile, etc.) of desired nodes
     * @return flattened list of node with the given build path scope
     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency flattening failed
     *

 */
@Deprecated
@Named("default")
@Singleton
public class DefaultToolchainsBuilder implements ToolchainsBuilder {
    private final Logger logger = LoggerFactory.getLogger(getClass());

    public PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException {
        PersistedToolchains toolchains = null;

        if (userToolchainsFile != null && userToolchainsFile.isFile()) {

                .modelVersion("1.1.0")
                .groupId(artifact.getGroupId())
                .artifactId(artifact.getArtifactId())
                .version(artifact.getBaseVersion())
                .build();
    }

    public void bind(Artifact artifact) {
        artifacts.add(artifact);
    }

    public Object getKey() {
        return getGroupId() + ':' + getArtifactId() + ':' + getVersion();
    }