* Generic CI support. This offers same support as Maven 3 always had. Is also special, as code will reject this
 * detector result IF there are also any other returned via discovered services.
 */
public class GenericCIDetector implements CIDetector {
    public static final String NAME = "Generic";

    private static final String CI = "CI";

    @Override
    public Optional<CIInfo> detectCI() {
        String ciEnv = System.getenv(CI);

import org.apache.maven.cling.invoker.CommonsCliOptions;

/**
 * Implementation of {@link ShellOptions} (base + shell).
 */
public class CommonsCliShellOptions extends CommonsCliOptions implements ShellOptions {
    public static CommonsCliShellOptions parse(String[] args) throws ParseException {
        CLIManager cliManager = new CLIManager();

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;

/**
 */
public class BuildPluginManagerStub implements BuildPluginManager {

    @Override
    public PluginDescriptor loadPlugin(
            Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session) {
        return null;
    }

 * Early CLI {@link Logger} that simply accumulates log entries until some point a real logger can emit them. This
 * logger is created at start, and it exists while no logging is available yet.
 */
public class AccumulatingLogger implements Logger {
    private final AtomicReference<List<Entry>> entries = new AtomicReference<>(new CopyOnWriteArrayList<>());

    @Override
    public void log(Level level, String message, Throwable error) {

 * but can be extended by registering a {@code org.apache.maven.api.spi.LanguageProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
@SuppressWarnings("checkstyle:InterfaceIsType")
public interface Language extends ExtensibleEnum {

 * under the License.
 */
package org.apache.maven.artifact.versioning;

/**
 * Default implementation of artifact versioning.
 *
 */
public class DefaultArtifactVersion implements ArtifactVersion {
    private Integer majorVersion;

    private Integer minorVersion;

    private Integer incrementalVersion;

    private Integer buildNumber;

    private String qualifier;

                    strict,
                    modelId,
                    location,
                    addDefaultEntities);
        }

        private static class DefaultXmlReaderRequest implements XmlReaderRequest {
            final Path path;
            final Path rootDirectory;
            final URL url;
            final InputStream inputStream;
            final Reader reader;

import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 */
@Deprecated
@Named
@Singleton
public class DefaultMavenSettingsBuilder extends AbstractLogEnabled implements MavenSettingsBuilder {

    private final SettingsBuilder settingsBuilder;

    @Inject
    public DefaultMavenSettingsBuilder(SettingsBuilder settingsBuilder) {
        this.settingsBuilder = settingsBuilder;
    }

import org.jline.terminal.Terminal;
import org.slf4j.ILoggerFactory;

import static java.util.Objects.requireNonNull;

@SuppressWarnings("VisibilityModifier")
public class LookupContext implements AutoCloseable {
    public final InvokerRequest invokerRequest;
    public final CWD cwd;
    public final Path installationDirectory;
    public final Path userDirectory;
    public final boolean containerCapsuleManaged;

import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectSorter;

/**
 * Describes the interdependencies between projects in the reactor.
 *
 */
public class DefaultProjectDependencyGraph implements ProjectDependencyGraph {

    private final ProjectSorter sorter;

    private final List<MavenProject> allProjects;

    private final Map<MavenProject, Integer> order;