import org.apache.maven.model.Profile;

/**
 * JdkPrefixProfileActivator
 */
@Deprecated
public class JdkPrefixProfileActivator extends DetectedProfileActivator {
    private static final String JDK_VERSION = System.getProperty("java.version");

    @Override
    public boolean isActive(Profile profile) throws ProfileActivationException {
        Activation activation = profile.getActivation();

 */
@Deprecated(since = "4.0.0")
public class JavaToolchainImpl extends DefaultToolchain implements JavaToolchain {
    private String javaHome;

    public static final String KEY_JAVAHOME = "jdkHome"; // NOI18N

    JavaToolchainImpl(ToolchainModel model, Logger logger) {
        super(model, "jdk", logger);
    }

    public String getJavaHome() {
        return javaHome;
    }

 * @since 3.3.0
 * @deprecated since 4.0.0, use {@code org.apache.maven.api.services.ToolchainsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class ToolchainsBuildingException extends Exception {

    private final List<Problem> problems;

    /**
     * Creates a new exception with the specified problems.
     *
     * @param problems The problems that cause this exception, must not be {@code null}.
     */

 *
 * @since 3.0
 */
public class ConcurrencyDependencyGraph {

    private final ProjectBuildList projectBuilds;

    private final ProjectDependencyGraph projectDependencyGraph;

    private final Set<MavenProject> finishedProjects = new HashSet<>();

    private final SmartProjectComparator projectComparator;

 * particular, this component can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
@Named
@Singleton
public class DefaultLegacySupport implements LegacySupport {

    private static final ThreadLocal<AtomicReference<MavenSession>> SESSION = new InheritableThreadLocal<>();

    @Override
    public void setSession(MavenSession session) {

        assertNotNull(expected);
    }

    @Test
    void testThreadSafeMojos() throws Exception {
        MavenExecutionPlan plan = LifecycleExecutionPlanCalculatorStub.getProjectAExecutionPlan();
        final Set<Plugin> unSafePlugins = plan.getNonThreadSafePlugins();
        // There is only a single threadsafe plugin here...
        assertEquals(plan.size() - 1, unSafePlugins.size());
    }

    @Test

    @Test
    void testDefaultLifecycles() {
        final List<Lifecycle> lifecycles = defaultLifeCycles.getLifeCycles();
        assertEquals(3, lifecycles.size());
        assertEquals(3, DefaultLifecycles.STANDARD_LIFECYCLES.length);
    }

    @Test
    void testDefaultLifecycle() {
        final Lifecycle lifecycle = getLifeCycleById("default");
        assertEquals("default", lifecycle.getId());

 */
@Deprecated
public class RuntimeInfo {
    @SuppressWarnings("checkstyle:constantname")
    public static final String userHome = System.getProperty("user.home");

    @SuppressWarnings("checkstyle:constantname")
    public static final File userMavenConfigurationHome = new File(userHome, ".m2");

    public static final File DEFAULT_USER_SETTINGS_FILE = new File(userMavenConfigurationHome, "settings.xml");

    private File settings;

/**
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class BuildTimestampValueSource extends AbstractValueSource {
    private final MavenBuildTimestamp mavenBuildTimestamp;

    BuildTimestampValueSource(Date startTime, Properties properties) {
        super(false);
        this.mavenBuildTimestamp = new MavenBuildTimestamp(startTime, properties);
    }

import java.util.Objects;

import org.apache.maven.internal.CoreRealm;

/**
 * CoreExportsProvider
 */
@Named
@Singleton
public class CoreExportsProvider implements Provider<CoreExports> {

    private final CoreExports exports;

    @Inject
    public CoreExportsProvider(CoreRealm coreRealm) {
        this(new CoreExports(CoreExtensionEntry.discoverFrom(coreRealm.getRealm())));
    }