}
            });
        }
    }

    /**
     * Nobody should ever use this method.
     *
     * @deprecated If you use this method and your code is not in Maven Core, stop doing this.
     */
    @Deprecated
    public RepositorySystemSession newRepositorySession(MavenExecutionRequest request) {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.cli.transfer;

import org.eclipse.aether.transfer.AbstractTransferListener;

/**
 */
@Deprecated

 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
class DefaultProblem implements Problem {

    private final String source;

    private final int lineNumber;

    private final int columnNumber;

 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
public interface Problem {

    /**
     * The different severity levels for a problem, in decreasing order.
     */
    enum Severity {
        FATAL, //

 * under the License.
 */
package org.apache.maven.model.resolution;

/**
 * Signals an error when resolving the path to an external model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class UnresolvableModelException extends Exception {

    /**
     * The group id of the unresolvable model.
     */
    private final String groupId;

import javax.inject.Singleton;

import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.resolver.DefaultArtifactResolver;

@Named("classpath")
@Singleton
@Deprecated
public class TestArtifactResolver extends DefaultArtifactResolver {
    private ArtifactMetadataSource source;

    @Inject
    public TestArtifactResolver(final @Named("classpath") ArtifactMetadataSource source) {

/**
 * Maven G level metadata generator.
 * <p>
 * Plugin metadata contains G level list of "prefix" to A mapping for plugins present under this G.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class PluginsMetadataGenerator implements MetadataGenerator {
    private static final String PLUGIN_DESCRIPTOR_LOCATION = "META-INF/maven/plugin.xml";

            return MAVEN_4_0_0_NAMESPACE;
        }
    }

    /**
     * Upgrades deprecated Maven 3 phase names to Maven 4 equivalents.
     * This replaces pre-/post- phases with before:/after: phases.
     */
    private void upgradeDeprecatedPhases(Editor editor, UpgradeContext context) {
        // Create mapping of deprecated phases to their Maven 4 equivalents
        Map<String, String> phaseUpgrades = createPhaseUpgradeMap();

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.profiles.activation;

import org.apache.maven.model.Profile;

/**
 * ProfileActivator
 */
@Deprecated
public interface ProfileActivator {

    String ROLE = ProfileActivator.class.getName();

    boolean canDetermineActivation(Profile profile);

 * under the License.
 */
package org.apache.maven.repository.metadata;

/**
 *  MetadataGraph edge selection policy. Complements
 *  GraphConflictResolver by being injected into it
 *
 *
 */
@Deprecated
public interface GraphConflictResolutionPolicy {
    String ROLE = GraphConflictResolutionPolicy.class.getName();

    MetadataGraphEdge apply(MetadataGraphEdge e1, MetadataGraphEdge e2);