* @since 3.1.2
 */
public class MojoExecutionEvent {
    private final MavenSession session;

    private final MavenProject project;

    private final MojoExecution mojoExecution;

    private final Mojo mojo;

    private final Throwable cause;

    public MojoExecutionEvent(MavenSession session, MavenProject project, MojoExecution mojoExecution, Mojo mojo) {

import java.io.File;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.MavenProject;
import org.junit.jupiter.api.Test;

import static org.codehaus.plexus.testing.PlexusExtension.getBasedir;
import static org.junit.jupiter.api.Assertions.assertEquals;

        request.setRepositorySession(session);

        DefaultMavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
        MavenSession msession =
                new MavenSession(getContainer(), session, mavenExecutionRequest, new DefaultMavenExecutionResult());
        DefaultSession iSession = new DefaultSession(

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.DefaultRepositoryRequest;
import org.apache.maven.artifact.repository.RepositoryRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.project.MavenProject;

            return getDelegate()
                    .getToolchainFromBuildContext(session.getSession(), type)
                    .map(ToolchainManagerFactory.this::getToolchainV3)
                    .orElse(null);
        }

        @Override
        public List<Toolchain> getToolchains(MavenSession session, String type, Map<String, String> requirements) {

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.api.xml.XmlNode;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.internal.impl.DefaultLifecycleRegistry;
import org.apache.maven.lifecycle.DefaultLifecycles;
import org.apache.maven.lifecycle.LifecycleNotFoundException;

    @Override
    public void fire(ExecutionEvent.Type eventType, MavenSession session, MojoExecution mojoExecution) {
        fire(eventType, session, mojoExecution, null);
    }

    @Override
    public void fire(
            ExecutionEvent.Type eventType, MavenSession session, MojoExecution mojoExecution, Exception exception) {

        return "deployer";
    }

    @Test
    void testArtifactInstallation() throws Exception {
        sessionScope.enter();
        try {
            sessionScope.seed(MavenSession.class, mock(MavenSession.class));

            String artifactBasedir = new File(getBasedir(), "src/test/resources/artifact-install").getAbsolutePath();

            Artifact artifact = createArtifact("artifact", "1.0");

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

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.internal.DefaultLifecycleTaskSegmentCalculator;
import org.apache.maven.lifecycle.internal.GoalTask;
import org.apache.maven.lifecycle.internal.LifecycleTask;

                .newRepositorySessionBuilder(mavenRequest)
                .build();
        request.setRepositorySession(rsession);
        MavenSession msession = new MavenSession(rsession, mavenRequest, new DefaultMavenExecutionResult());
        InternalSession session = new DefaultSession(
                msession,
                repositorySystem,
                null,