*
 * @deprecated since 4.0.0, use {@link MavenToolchainsStaxWriter} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultToolchainsWriter implements ToolchainsWriter {

    @Override
    public void write(Writer output, Map<String, Object> options, PersistedToolchains toolchains) throws IOException {
        Objects.requireNonNull(output, "output cannot be null");

import org.eclipse.aether.repository.ArtifactRepository;

/**
 * Describes the result of a plugin prefix resolution request.
 *
 * @since 3.0
 */
class DefaultPluginPrefixResult implements PluginPrefixResult {

    private String groupId;

    private String artifactId;

    private ArtifactRepository repository;

    DefaultPluginPrefixResult() {
        // does nothing
    }

 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class TransformedListIterator<F extends @Nullable Object, T extends @Nullable Object>
    extends TransformedIterator<F, T> implements ListIterator<T> {
  TransformedListIterator(ListIterator<? extends F> backingIterator) {
    super(backingIterator);
  }

  private ListIterator<? extends F> backingIterator() {

/**
 * An ordering that treats all references as equals, even nulls.
 *
 * @author Emily Soldal
 */
@GwtCompatible
final class AllEqualOrdering extends Ordering<@Nullable Object> implements Serializable {
  static final AllEqualOrdering INSTANCE = new AllEqualOrdering();

  @Override
  @SuppressWarnings("UnusedVariable") // intentionally weird Comparator

 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class TransformedListIterator<F extends @Nullable Object, T extends @Nullable Object>
    extends TransformedIterator<F, T> implements ListIterator<T> {
  TransformedListIterator(ListIterator<? extends F> backingIterator) {
    super(backingIterator);
  }

  private ListIterator<? extends F> backingIterator() {

 */
package org.apache.maven.repository.legacy;

import org.apache.maven.repository.ArtifactTransferResource;
import org.apache.maven.wagon.resource.Resource;

@Deprecated
class MavenArtifact implements ArtifactTransferResource {

    private String repositoryUrl;

    private Resource resource;

    private long transferStartTime;

    MavenArtifact(String repositoryUrl, Resource resource) {

import org.gradle.api.Action;

import java.io.Serializable;
import java.util.Objects;

/**
 * Static meta-data about a method parameter extracted from the source for the method.
 */
public class ParameterMetaData implements Serializable, TypeContainer {
    private final String name;
    private TypeMetaData type;

    public ParameterMetaData(String name) {
        this.name = name;
    }

    public String getName() {

import org.jspecify.annotations.Nullable;

/**
 * An unhashable object to be used in testing as values in our collections.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
public class UnhashableObject implements Comparable<UnhashableObject> {
  private final int value;

  public UnhashableObject(int value) {
    this.value = value;
  }

  @Override
  public boolean equals(@Nullable Object object) {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin.descriptor;

/**
 * Describes a component requirement.
 *
 */
public class Requirement implements Cloneable {
    private final String role;

    private final String roleHint;

    public Requirement(String role) {
        this.role = role;
        this.roleHint = null;
    }

import org.apache.maven.plugin.version.PluginVersionResolver;
import org.apache.maven.plugin.version.PluginVersionResult;
import org.eclipse.aether.repository.ArtifactRepository;

/**
 */
public class PluginVersionResolverStub implements PluginVersionResolver {

    @Override
    public PluginVersionResult resolve(PluginVersionRequest request) throws PluginVersionResolutionException {
        return new PluginVersionResult() {
            @Override