* under the License.
 */
package org.apache.maven.lifecycle;

/**
 * Signals a failure to build because no goal was specified.
 *
 */
public class NoGoalSpecifiedException extends Exception {

    /**
     * Creates a new exception.
     *
     * @param message The detail message, may be {@code null}.
     */
    public NoGoalSpecifiedException(String message) {
        super(message);

 * under the License.
 */
package org.apache.maven.plugin.descriptor;

/**
 * DuplicateMojoDescriptorException
 */
public class DuplicateMojoDescriptorException extends InvalidPluginDescriptorException {

    public DuplicateMojoDescriptorException(
            String goalPrefix, String goal, String existingImplementation, String newImplementation) {

import java.util.Set;

/**
 * GWT emulation of {@link ImmutableEnumSet}. The type parameter is not bounded by {@code Enum<E>}
 * to avoid code-size bloat.
 *
 * @author Hayward Chan
 */
final class ImmutableEnumSet<E> extends ForwardingImmutableSet<E> {
  static <E> ImmutableSet<E> asImmutable(Set<E> delegate) {
    switch (delegate.size()) {
      case 0:
        return ImmutableSet.of();
      case 1:

import static java.util.Collections.singletonList;

import java.util.List;

/**
 * GWT emulated version of {@link SingletonImmutableList}.
 *
 * @author Hayward Chan
 */
final class SingletonImmutableList<E> extends ForwardingImmutableList<E> {
  private final transient List<E> delegate;
  private final E element;

  SingletonImmutableList(E element) {
    this.delegate = singletonList(checkNotNull(element));

import com.google.common.annotations.GwtCompatible;
import java.util.Map;
import org.jspecify.annotations.NullUnmarked;

@GwtCompatible
@NullUnmarked
public class RegularImmutableMapMapInterfaceTest
    extends AbstractImmutableMapMapInterfaceTest<String, Integer> {
  @Override
  protected Map<String, Integer> makeEmptyMap() {
    return ImmutableMap.of();
  }

  @Override

import com.google.common.collect.FilteredCollectionsTestUtil.AbstractFilteredSetTest;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

@NullUnmarked
public final class SetsFilterHashSetTest extends AbstractFilteredSetTest<Set<Integer>> {
  @Override
  Set<Integer> createUnfiltered(Iterable<Integer> contents) {
    return newHashSet(contents);
  }

  @Override

import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible // GWT's ImmutableMap emulation is backed by java.util.HashMap.
@NullUnmarked
public class SingletonImmutableMapWithUnhashableValueMapInterfaceTest
    extends RegularImmutableMapWithUnhashableValuesMapInterfaceTest {
  @Override
  protected Map<Integer, UnhashableObject> makePopulatedMap() {
    Unhashables unhashables = new Unhashables();

import org.apache.maven.api.toolchain.PersistedToolchains;

/**
 * Reads and writes a {@link PersistedToolchains} object to/from XML.
 *
 * @since 4.0.0
 */
@Experimental

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;

/**
 * ArtifactRepositoryLayout2
 */
public interface ArtifactRepositoryLayout2 extends ArtifactRepositoryLayout {

    ArtifactRepository newMavenArtifactRepository(
            String id, String url, ArtifactRepositoryPolicy snapshots, ArtifactRepositoryPolicy releases);

package org.apache.maven.project;

import org.apache.maven.artifact.InvalidRepositoryException;

/**
 * Error constructing an artifact repository.
 */
@Deprecated
public class MissingRepositoryElementException extends InvalidRepositoryException {

    public MissingRepositoryElementException(String message, String repositoryId) {
        super(message, repositoryId);
    }

    public MissingRepositoryElementException(String message) {