return Optional.ofNullable(getMojos()).orElse(Collections.emptyList()).stream()
                .map(LifecycleMojo::getGoal)
                .collect(Collectors.joining(","));
    }

    @Deprecated
    public static Map<String, String> toLegacyMap(Map<String, LifecyclePhase> lifecyclePhases) {
        if (lifecyclePhases == null) {
            return null;
        }

        if (lifecyclePhases.isEmpty()) {

  }

  ImmutableMap() {}

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final @Nullable V put(K k, V v) {
    throw new UnsupportedOperationException();
  }

import org.apache.maven.artifact.resolver.ResolutionNode;

/**
 * Determines which version of an artifact to use when there are conflicting declarations.
 *
 */
@Deprecated
public interface ConflictResolver {
    String ROLE = ConflictResolver.class.getName();

    /**
     * Determines which of the specified versions of an artifact to use when there are conflicting declarations.
     *

    }

    @Override
    public String getLanguage() {
        return "none";
    }

    @Override
    public String getPackaging() {
        return packaging;
    }

    @Override
    @Deprecated
    public boolean isAddedToClasspath() {
        return false;
    }

    @Override
    public boolean isIncludesDependencies() {
        return false;
    }

import java.util.Date;
import java.util.Properties;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.profiles.ProfileManager;

/**
 * DefaultProjectBuilderConfiguration
 */
@Deprecated
public class DefaultProjectBuilderConfiguration implements ProjectBuilderConfiguration {

    private ProfileManager globalProfileManager;

    private ArtifactRepository localRepository;

        super(msg, rootCause);
    }

    /**
     * Gets the root cause of this exception.
     * @return root cause of this exception
     */
    @Deprecated
    public Throwable getRootCause() {
        return getCause();
    }

import java.util.LinkedHashSet;
import java.util.Set;

import org.apache.maven.artifact.Artifact;

/**
 * Apply multiple filters, accepting an artifact if at least one of the filters accepts it.
 *
 */
@Deprecated
public class OrArtifactFilter implements ArtifactFilter {

    private Set<ArtifactFilter> filters;

    public OrArtifactFilter() {
        this.filters = new LinkedHashSet<>();
    }

 * made the metadata source available with its original role hint ("maven") as well as the default hint.
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultMetadataSource extends MavenMetadataSource {
    @Inject
    public DefaultMetadataSource(
            RepositoryMetadataManager repositoryMetadataManager,
            ArtifactFactory artifactFactory,

 * declaration whose version is less according to <code>ArtifactVersion.compareTo</code>.
 *
 * @see ArtifactVersion#compareTo
 * @since 3.0
 */
@Named("oldest")
@Singleton
@Deprecated
public class OldestConflictResolver implements ConflictResolver {
    // ConflictResolver methods -----------------------------------------------

    /*

import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.codehaus.plexus.component.annotations.Configuration;

/**
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultGraphConflictResolutionPolicy implements GraphConflictResolutionPolicy {
    /**
     * artifact, closer to the entry point, is selected
     */
    @Configuration(name = "closer-first", value = "true")