*
     * @param key the key under which to store the session data, must not be {@code null}
     * @param value the data to associate with the key, may be {@code null} to remove the mapping
     */
    <T> void set(@Nonnull Key<T> key, @Nullable T value);

    /**
     * Associates the specified session data with the given key if the key is currently mapped to the given value. This

        this.usedTypes = new ConcurrentHashMap<>();
        this.manager = requireNonNull(manager, "artifactHandlerManager cannot be null");
    }

    @Override
    public void onEvent(Object event) {
        if (event instanceof ExecutionEvent executionEvent) {
            if (executionEvent.getType() == ExecutionEvent.Type.SessionEnded) {
                usedTypes.clear();
            }
        }

        plugin.setArtifactId(pluginInfo.artifactId);
        plugin.setName(pluginInfo.name);
        result.getPlugins().add(plugin);
        return result;
    }

    @Override
    protected void merge(Metadata recessive) {
        List<Plugin> recessivePlugins = recessive.getPlugins();
        List<Plugin> plugins = metadata.getPlugins();
        if (!recessivePlugins.isEmpty() || !plugins.isEmpty()) {

import org.junit.Test

class ${className} extends AbstractAutoTestedSamplesTest {
    private static final String FILE_CONTENT = '''
        ${fileContent}
    '''
    @Test
    void runSamples() {
        runSamplesFromFile(new File('${file.relativePath.toString().replace("\\", "/")}'), FILE_CONTENT)
    }
}
"""
        )
    }

    @Inject
    protected RepositoryMetadataManager repositoryMetadataManager;

    @Inject
    protected WagonManager wagonManager;

    @Override
    public void transformForResolve(
            Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository)
            throws ArtifactResolutionException, ArtifactNotFoundException {

        @Override
        public int getType() {
            return LIST_ITEM;
        }

        @Override
        public boolean isNull() {
            return (size() == 0);
        }

        void normalize() {
            for (int i = size() - 1; i >= 0; i--) {
                Item lastItem = get(i);

                if (lastItem.isNull()) {

import org.codehaus.plexus.component.repository.exception.ComponentLookupException;

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

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

    //
    // or we can show it graphically as:
    //
    // p4 ---> p3 ---> p2 ---> p1 ---> p0 --> super model
    //
    // ----------------------------------------------------------------------

    @Test
    void testProjectInheritance() throws Exception {
        MavenProject p4 = getProject(projectFile("p4"));

        assertEquals("p4", p4.getName());

        // ----------------------------------------------------------------------

        return "uses deprecated parameter expression '" + parameter.getDefaultValue() + "': "
                + DEPRECATED_CORE_PARAMETERS.get(parameter.getDefaultValue());
    }

    @Override
    protected void doValidate(
            MavenSession mavenSession,
            MojoDescriptor mojoDescriptor,
            Class<?> mojoClass,
            PlexusConfiguration pomConfiguration,

        this.lifecycleDebugLogger = lifecycleDebugLogger;
        this.lifecycleTaskSegmentCalculator = lifecycleTaskSegmentCalculator;
        this.builders = builders;
    }

    @Override
    public void execute(MavenSession session) {
        eventCatapult.fire(ExecutionEvent.Type.SessionStarted, session, null);

        ReactorContext reactorContext = null;
        ProjectBuildList projectBuilds = null;