import org.apache.maven.model.merge.MavenModelMerger;

/**
 * Handles injection of plugin management into the model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@SuppressWarnings({"checkstyle:methodname"})
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultPluginManagementInjector implements PluginManagementInjector {

 * system properties and user properties.
 *
 * @see ActivationFile
 * @see org.apache.maven.model.validation.DefaultModelValidator#validateRawModel
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("file")
@Singleton
@Deprecated(since = "4.0.0")
public class FileProfileActivator implements ProfileActivator {

    @Inject

import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code TreeTraverser}.
 *
 * @deprecated Use {@link com.google.common.graph.Traverser} instead.
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
@Deprecated // Use com.google.common.graph.Traverser instead.
public class TreeTraverserTest extends TestCase {
  private static class Node {
    final char value;

 * <code>jdk</code> hint.
 *
 * @since 2.0.9, renamed from <code>DefaultJavaToolchainFactory</code> in 3.2.4
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainFactory} instead.
 */
@Deprecated(since = "4.0.0")
public class JavaToolchainFactory implements ToolchainFactory {
    private final Logger logger = LoggerFactory.getLogger(getClass());

    @Override

 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface SettingsProblem {

    /**
     * The different severity levels for a problem, in decreasing order.
     */
    enum Severity {

import org.codehaus.plexus.components.secdispatcher.SecDispatcher;
import org.codehaus.plexus.components.secdispatcher.SecDispatcherException;

/**
 * Decrypts passwords in the settings.
 *
 * @deprecated since 4.0.0
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultSettingsDecrypter implements SettingsDecrypter {
    private final SecDispatcher securityDispatcher;

    @Inject

 * that the connection to the backing store remains active until request's {@link ModelCache} is discarded or flushed.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelSource2 extends ModelSource {
    /**

import org.apache.maven.model.merge.MavenModelMerger;

/**
 * Handles injection of dependency management into the model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@SuppressWarnings({"checkstyle:methodname"})
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultDependencyManagementInjector implements DependencyManagementInjector {

   * have the bug.
   *
   * @deprecated This implementation produces incorrect hash values from the {@link
   *     HashFunction#hashString} method if the string contains non-BMP characters. Use {@link
   *     #murmur3_32_fixed(int)} instead.
   */
  @Deprecated
  @SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks

You can read more details about the ["Running lifespan in tests in the official Starlette documentation site."](https://www.starlette.dev/lifespan/#running-lifespan-in-tests)

For the deprecated `startup` and `shutdown` events, you can use the `TestClient` as follows: