*/
    private final Map<Path, String> descriptors;

    /**
     * Whether module hierarchy was detected. If false, then package hierarchy is assumed.
     * In a package hierarchy, the {@linkplain #descriptors} map has either zero or one entry.
     * In a module hierarchy, the descriptors map may have an arbitrary number of entries,
     * including one (so the map size cannot be used as a criterion).
     *

    // groupId -> (artifactId -> (version -> project)))
    private Map<String, Map<String, Map<String, MavenProject>>> projects;
    private Map<String, Map<String, Map<String, MavenProject>>> allProjects;
    private Path projectLocalRepository;
    // projectId -> Deque<lifecycle>
    private final Map<String, Deque<String>> lifecycles = new ConcurrentHashMap<>();

    @Inject

        private Map<String, Artifact> managedVersions;
        private List<ArtifactRepository> remoteRepositories;

        private long length;
        private long timestamp;

        CacheRecord(
                Artifact pomArtifact,
                Artifact relocatedArtifact,
                Set<Artifact> artifacts,
                Map<String, Artifact> managedVersions,

     *
     * <strong>Implementation note:</strong> while this method return type is {@link Map}, the
     * returned map instance implements {@link java.util.concurrent.ConcurrentMap} as well.
     *
     * @throws org.apache.maven.api.services.MavenException if not called from the within a mojo execution
     */
    @Nonnull
    Map<String, Object> getPluginContext(@Nonnull Project project);

    /**

    @SuppressWarnings({"unchecked", "rawtypes"})
    private static final SessionData.Key<Map<MavenProject, OwnerReentrantLock>> PROJECT_LOCKS =
            (SessionData.Key) SessionData.key(Map.class, ProjectLock.class);

    private final BuildPluginManager pluginManager;
    private final MavenPluginManager mavenPluginManager;

 * @since 3.0
 */
@Named
@Singleton
public class DefaultMavenPluginManager implements MavenPluginManager {

    /**
     * <p>
     * PluginId =&gt; ExtensionRealmCache.CacheRecord map MavenProject context value key. The map is used to ensure the
     * same class realm is used to load build extensions and load mojos for extensions=true plugins.
     * </p>

import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;

import org.apache.maven.eventspy.AbstractEventSpy;
import org.apache.maven.execution.ExecutionEvent;

package org.apache.maven.plugin; public abstract synchronized class AbstractMojo implements Mojo, ContextEnabled { private logging.Log log; private java.util.Map pluginContext; public void AbstractMojo(); public void setLog(logging.Log); public logging.Log getLog(); public java.util.Map getPluginContext(); public void setPluginContext(java.util.Map); } org/apache/maven/plugin/AbstractMojoExecutio.class package org.apache.maven.plugin; public abstract synchronized class AbstractMojoExecutio extends Exception...

import javax.inject.Inject;

import java.io.File;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;

import org.apache.maven.api.*;
import org.apache.maven.api.services.DependencyResolver;

     */
    @Nonnull
    List<String> getInactiveProfileIds();

    /**
     * Provides a map of system properties.
     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**
     * Provides a map of user properties.
     * User properties
     */
    @Nonnull
    Map<String, String> getUserProperties();

    @Nonnull
    ModelResolver getModelResolver();