* Reduces the memory used by this {@code ArrayListMultimap}, if feasible.
   *
   * @deprecated For a {@link ListMultimap} that automatically trims to size, use {@link
   *     ImmutableListMultimap}. If you need a mutable collection, remove the {@code trimToSize}
   *     call, or switch to a {@code HashMap<K, ArrayList<V>>}.
   */
  @Deprecated
  public void trimToSize() {
    for (Collection<V> collection : backingMap().values()) {

    <artifactId>maven-compat-modules</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-compat</artifactId>

  <name>Maven Compat (deprecated)</name>
  <description>Deprecated Maven2 classes maintained as compatibility layer.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-annotations</artifactId>

/**
 * Builds the effective settings from a user settings file and/or a global settings file.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultSettingsBuilder implements SettingsBuilder {

    private SettingsReader settingsReader;

 * under the License.
 */
package org.apache.maven.repository.legacy.resolver.conflict;

/**
 * A factory that produces conflict resolvers of various types.
 *
 * @see ConflictResolver
 * @since 3.0
 */
@Deprecated
public interface ConflictResolverFactory {
    // constants --------------------------------------------------------------

    /** The plexus role for this component. */

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

import org.apache.maven.artifact.Artifact;

/**
 * InversionArtifactFilter
 */
@Deprecated
public class InversionArtifactFilter implements ArtifactFilter {
    private final ArtifactFilter toInvert;

    public InversionArtifactFilter(ArtifactFilter toInvert) {
        this.toInvert = toInvert;
    }

 * The {@link TransferResource} is not immutable and does not implement {@code Objects#equals} and {@code Objects#hashCode} methods,
 * making it not very suitable for usage in collections.
 */
@Deprecated
record TransferResourceIdentifier(
        String repositoryId,
        String repositoryUrl,
        String resourceName,
        @Nullable File file) {
    TransferResourceIdentifier(TransferResource resource) {

 * capabilities to the default HTTP handler. This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 *
 * @deprecated {@link NtlmHttpURLConnection} is broken by design.
 */
@Deprecated
public class Handler extends URLStreamHandler {

    private static final Logger log = LoggerFactory.getLogger(Handler.class);

    /**

import org.codehaus.plexus.interpolation.ValueSource;

/**
 * Use a regular expression search to find and resolve expressions within the POM.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public abstract class AbstractStringBasedModelInterpolator implements ModelInterpolator {

#### New Deprecations

* As a reminder, etcd2 as a backend is deprecated and support will be removed in Kubernetes 1.13. Please ensure that your clusters are upgraded to etcd3 as soon as possible.

package org.apache.maven.artifact.versioning;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.apache.maven.artifact.Artifact;

/**
 * ManagedVersionMap
 */
@Deprecated
public class ManagedVersionMap extends HashMap<String, Artifact> {
    public ManagedVersionMap(Map<String, Artifact> map) {
        super();
        if (map != null) {
            putAll(map);
        }
    }