import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.SampleElements.Colliders;
import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * A generator using sample elements whose hash codes all collide badly.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public abstract class TestCollidingSetGenerator implements TestSetGenerator<Object> {
  @Override

  public void testHashCode() {
    int expectedHashCode = 1;
    for (E element : getOrderedElements()) {
      expectedHashCode = 31 * expectedHashCode + ((element == null) ? 0 : element.hashCode());
    }
    assertEquals(
        "A List's hashCode() should be computed from those of its elements.",
        expectedHashCode,
        getList().hashCode());
  }

  /**

Once we have the version of the plugins the appropriate call to the plugin manager can be made to get the MojoDescriptor for the goal that needs to be run. In the MojoDescriptor we are interested in the <configuration/> element and <parameters/> element. From these elements we need to make a component configuration for the MojoExecution. The actual DOM like structure we create is of type PlexusConfiguration and is the type we use with the ComponentConfigurator to initialize fields in a Plexus...

                        mapEntry("aaaaa", 5));
                  }

                  @Override
                  public Map<String, Integer> create(Object... elements) {
                    Set<String> set = new LinkedHashSet<>();
                    for (Object e : elements) {
                      Entry<?, ?> entry = (Entry<?, ?>) e;
                      checkNotNull(entry.getValue());

  public void testSubList_ofSubListNonEmpty() {
    List<E> subList = getList().subList(0, 2).subList(1, 2);
    assertEquals(
        "subList(0, 2).subList(1, 2) "
            + "should be a single-element list of the element at index 1",
        singletonList(getOrderedElements().get(1)),
        subList);
  }

  @CollectionSize.Require(absent = {ZERO})
  public void testSubList_size() {
    List<E> list = getList();

  public void testSubList_ofSubListNonEmpty() {
    List<E> subList = getList().subList(0, 2).subList(1, 2);
    assertEquals(
        "subList(0, 2).subList(1, 2) "
            + "should be a single-element list of the element at index 1",
        singletonList(getOrderedElements().get(1)),
        subList);
  }

  @CollectionSize.Require(absent = {ZERO})
  public void testSubList_size() {
    List<E> list = getList();

  private Tables() {}

  /**
   * Returns a {@link Collector} that accumulates elements into a {@code Table} created using the
   * specified supplier, whose cells are generated by applying the provided mapping functions to the
   * input elements. Cells are inserted into the generated {@code Table} in encounter order.
   *
   * <p>If multiple input elements map to the same row and column, an {@code IllegalStateException}

    collection = getSubjectGenerator().create(arrayAndDuplicate.elements);
    E duplicate = arrayAndDuplicate.duplicate;

    int firstIndex = getList().indexOf(duplicate);
    int initialSize = getList().size();
    assertTrue("remove(present) should return true", getList().remove(duplicate));
    assertTrue(
        "After remove(duplicate), a list should still contain the duplicate element",
        getList().contains(duplicate));
    assertFalse(

                Collections.reverse(list);
                return list;
              }

              @Override
              public Set<E> create(Object... elements) {
                NavigableSet<E> navigableSet = (NavigableSet<E>) delegate.create(elements);
                return navigableSet.descendingSet();
              }
            })
        .named(parentBuilder.getName() + " descending")

// CHECKSTYLE_OFF: RegexpHeader
/**
 * This package contains non-functional annotations which are
 * used to tag various elements and help users understanding
 * how those types should be used.
 *
 * @since 4.0.0
 */
@Experimental