/**
 * Assists in firing execution events. <strong>Warning:</strong> This is an internal utility class that is only public
 * for technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without
 * prior notice.
 *
 */
@Named
@Singleton
public class DefaultExecutionEventCatapult implements ExecutionEventCatapult {

    @Override

/**
 * <strong>Warning:</strong> This is an internal utility class that is only public for technical reasons, it is not part
 * of the public API. In particular, this class can be changed or deleted without prior notice.
 *
 */
public class ArtifactDescriptorUtils {

    public static Artifact toPomArtifact(Artifact artifact) {
        Artifact pomArtifact = artifact;

 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 * @since 3.0
 */
@Named
@Singleton
public class DefaultPluginDescriptorCache implements PluginDescriptorCache {

                            BuilderProblem.Severity.ERROR,
                            "pluginGroups.pluginGroup[" + i + "]",
                            null,
                            "must denote a valid group id and match the pattern " + ID);
                }
            }
        }

        List<Server> servers = settings.getServers();

        if (servers != null) {

        }

        LifecycleMappingDelegate delegate;
        if (Arrays.binarySearch(DefaultLifecycles.STANDARD_LIFECYCLES, lifecycle.getId()) >= 0) {
            delegate = standardDelegate;
        } else {
            delegate = delegates.get(lifecycle.getId());
            if (delegate == null) {
                delegate = standardDelegate;
            }
        }

    private final VersionScheme delegate = new GenericVersionScheme();

    @Override
    public Version parseVersion(String version) throws InvalidVersionSpecificationException {
        return delegate.parseVersion(version);
    }

    @Override
    public VersionRange parseVersionRange(String range) throws InvalidVersionSpecificationException {
        return delegate.parseVersionRange(range);
    }

    @Override

/**
 * Caches project artifacts. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */
public interface ProjectArtifactsCache {

    /**
     * A cache key.
     */
    interface Key {
        // marker interface for cache keys
    }

 * is only public for technical reasons, it is not part of the public API. In particular, this class can be changed or
 * deleted without prior notice.
 *
 * @since 3.0
 */
@Named
@Singleton
public class DefaultPluginDependenciesResolver implements PluginDependenciesResolver {
    private static final String REPOSITORY_CONTEXT = "plugin";

/**
 * Assists the project builder. <strong>Warning:</strong> This is an internal utility class that is only public for
 * technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without
 * prior notice.
 *
 */
@Named
@Singleton
public class DefaultProjectBuildingHelper implements ProjectBuildingHelper {
    private final Logger logger = LoggerFactory.getLogger(getClass());

     * @param recessiveSourceLevel
     */
    public static void merge(Settings dominant, Settings recessive, String recessiveSourceLevel) {
        if (dominant != null && recessive != null) {
            dominant.delegate = SettingsUtilsV4.merge(dominant.getDelegate(), recessive.getDelegate());
        }
    }

    /**
     * @param modelProfile
     * @return a profile
     */