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

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;

import org.apache.maven.api.ArtifactCoordinates;
import org.apache.maven.api.Dependency;
import org.apache.maven.api.Exclusion;
import org.apache.maven.api.Session;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentArrayIndex;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Map;

import org.codelibs.core.beans.BeanDesc;
import org.codelibs.core.beans.MethodDesc;
import org.codelibs.core.beans.ParameterizedClassDesc;

    return emptySet();
  }

  protected Collection<Method> suppressForConcurrentLinkedQueue() {
    return emptySet();
  }

  protected Collection<Method> suppressForLinkedBlockingDeque() {
    return emptySet();
  }

  protected Collection<Method> suppressForLinkedBlockingQueue() {
    return emptySet();
  }

    Set<Entry<String, Collection<Integer>>> set =
        new LinkedHashSet<>(
            asList(
                immutableEntry("foo", (Collection<Integer>) asList(2, 3, 6)),
                immutableEntry("bar", (Collection<Integer>) asList(4, 5, 10, 11)),
                immutableEntry("baz", (Collection<Integer>) asList(7, 8)),
                immutableEntry("dog", (Collection<Integer>) asList(9)),

        .createTestSuite();
  }

  static final class ElementSetGenerator<E> implements TestSetGenerator<E> {
    final OneSizeTestContainerGenerator<Collection<E>, E> gen;

    ElementSetGenerator(OneSizeTestContainerGenerator<Collection<E>, E> gen) {
      this.gen = gen;
    }

    @Override
    public SampleElements<E> samples() {
      return gen.samples();
    }

    @Override

        UnsupportedOperationException.class,
        () -> collection.removeAll(MinimalCollection.of(e0())));
    expectUnchanged();
    assertTrue(collection.contains(e0()));
  }

  /*
   * AbstractCollection fails the removeAll(null) test when the subject
   * collection is empty, but we'd still like to test removeAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.

public class CollectionRetainAllTester<E> extends AbstractCollectionTester<E> {

  /** A collection of elements to retain, along with a description for use in failure messages. */
  private final class Target {
    private final Collection<E> toRetain;
    private final String description;

    private Target(Collection<E> toRetain, String description) {
      this.toRetain = toRetain;
      this.description = description;
    }

  }

  private static <E> ImmutableList<E> copyFromCollection(Collection<? extends E> collection) {
    Object[] elements = collection.toArray();
    switch (elements.length) {
      case 0:
        return of();
      case 1:
        @SuppressWarnings("unchecked") // safe because it came from `collection`
        E element = (E) elements[0];
        return of(element);
      default:

  AbstractSortedKeySortedSetMultimap(SortedMap<K, Collection<V>> map) {
    super(map);
  }

  @Override
  public SortedMap<K, Collection<V>> asMap() {
    return (SortedMap<K, Collection<V>>) super.asMap();
  }

  @Override
  SortedMap<K, Collection<V>> backingMap() {
    return (SortedMap<K, Collection<V>>) super.backingMap();
  }

  @Override
  public SortedSet<K> keySet() {

  public void testPermutationSetEmpty() {
    Collection<List<Integer>> permutationSet =
        Collections2.permutations(Collections.<Integer>emptyList());

    assertEquals(1, permutationSet.size());
    assertTrue(permutationSet.contains(Collections.<Integer>emptyList()));

    Iterator<List<Integer>> permutations = permutationSet.iterator();
    assertNextPermutation(Collections.<Integer>emptyList(), permutations);