node2.mojos.forEach((k, v) -> node1.mojos.merge(k, v, this::mergeMojos));
        return node1;
    }

    private Map<String, MojoExecution> mergeMojos(Map<String, MojoExecution> l1, Map<String, MojoExecution> l2) {
        l2.forEach(l1::putIfAbsent);
        return l1;
    }

 * under the License.
 */
package org.apache.maven.internal.impl;

import java.util.Optional;

import org.apache.maven.api.Event;
import org.apache.maven.api.EventType;
import org.apache.maven.api.MojoExecution;
import org.apache.maven.api.Project;
import org.apache.maven.api.Session;
import org.apache.maven.execution.ExecutionEvent;

public class DefaultEvent implements Event {
    private final InternalMavenSession session;

import java.util.List;
import java.util.Map;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoNotFoundException;
import org.apache.maven.plugin.PluginDescriptorParsingException;
import org.apache.maven.plugin.PluginNotFoundException;

    ClassRealm getPluginRealm(MavenSession session, PluginDescriptor pluginDescriptor)
            throws PluginResolutionException, PluginManagerException;

    void executeMojo(MavenSession session, MojoExecution execution)
            throws MojoFailureException, MojoExecutionException, PluginConfigurationException, PluginManagerException;

    private static final List<String> IGNORED_PROPERTY_VALUES = Arrays.asList(
            "basedir",
            "executedProject",
            "localRepository",
            "mojo",
            "mojoExecution",
            "plugin",
            "project",
            "reactorProjects",
            "session",
            "settings");

    private static final List<String> IGNORED_PROPERTY_PREFIX =

     * @param mojoExecutionRunner mojo execution task which must be invoked by a strategy to actually run it
     * @throws LifecycleExecutionException
     */
    void execute(List<MojoExecution> mojos, MavenSession session, MojoExecutionRunner mojoExecutionRunner)
            throws LifecycleExecutionException;

 * <p>
 * Key features include:
 * <ul>
 *   <li>Constructor, method, and field injection</li>
 *   <li>Qualifiers for distinguishing between beans of the same type</li>
 *   <li>Multiple scopes (Singleton, Session, and MojoExecution)</li>
 *   <li>Priority-based implementation selection</li>
 *   <li>Type-safe dependency injection</li>
 * </ul>
 *
 * @since 4.0.0
 */

    /**
     * Gets the current mojo execution (if any).
     *
     * @return the current mojo execution or {@code empty()} if not applicable
     */
    @Nonnull
    Optional<MojoExecution> getMojoExecution();

    /**
     * Gets the exception that caused the event (if any).
     *
     * @return the exception or {@code empty()} if none
     */
    Optional<Exception> getException();

import org.apache.maven.execution.BuildSummary;
import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.MavenExecutionResult;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.project.MavenProject;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 */
@Deprecated
public interface PluginManager {
    String ROLE = PluginManager.class.getName();

    void executeMojo(MavenProject project, MojoExecution execution, MavenSession session)
            throws MojoExecutionException, ArtifactResolutionException, MojoFailureException, ArtifactNotFoundException,