import org.apache.maven.api.services.ProjectBuilder;
import org.apache.maven.api.services.ProjectBuilderRequest;
import org.apache.maven.api.services.SettingsBuilder;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;

import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.*;

/**
 * Handles normalization of a model.
 *
 */
@Named
@Singleton
public class DefaultModelNormalizer implements ModelNormalizer {

    private DuplicateMerger merger = new DuplicateMerger();

    @Override

        }

        try {
            // TODO could the configuration be passed to lookup and the configurator known to plexus via the descriptor
            // so that this method could entirely be handled by a plexus lookup?
            configurator = container.lookup(ComponentConfigurator.class, configuratorId);

            ConfigurationListener listener = new DebugConfigurationListener(logger);

   * an element in the set. For example, {@code contains} returns {@code false} when passed an
   * object that equals a set member, but isn't the same instance. This behavior is similar to the
   * way {@code IdentityHashMap} handles key lookups.
   *
   * @since 8.0
   */
  public static <E extends @Nullable Object> Set<E> newIdentityHashSet() {
    return Collections.newSetFromMap(Maps.<E, Boolean>newIdentityHashMap());
  }

  /**

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository;

import org.apache.maven.artifact.handler.ArtifactHandler;

/**
 * Assists unit testing.
 *
 */
@Deprecated
class TestArtifactHandler implements ArtifactHandler {

    private String type;

    private String extension;

    TypeVariable<D> typeVariable =
        Reflection.newProxy(
            TypeVariable.class, new TypeVariableInvocationHandler(typeVariableImpl));
    return typeVariable;
  }

  /**
   * Invocation handler to work around a compatibility problem between Java 7 and Java 8.
   *
   * <p>Java 8 introduced a new method {@code getAnnotatedBounds()} in the {@link TypeVariable}

import org.apache.maven.api.model.DependencyManagement;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblemCollector;

/**
 * Handles the import of dependency management from other models into the target model.
 *
 */
public interface DependencyManagementImporter {

    /**

import org.apache.maven.api.model.Model;
import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblemCollector;

/**
 * Handles profile injection into the model.
 *
 */
public interface ProfileInjector {

    /**
     * Merges values from the specified profile into the given model. Implementations are expected to keep the profile

import org.apache.maven.api.model.Reporting;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.*;

/**
 * Handles profile injection into the model.
 *
 */
@Named
@Singleton
public class DefaultProfileInjector implements ProfileInjector {

  }

  /**
   * Returns the first element in {@code iterable} that satisfies the given predicate, or {@code
   * defaultValue} if none found. Note that this can usually be handled more naturally using {@code
   * tryFind(iterable, predicate).or(defaultValue)}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code
   * stream.filter(predicate).findFirst().orElse(defaultValue)}
   *