import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import java.lang.reflect.Method;
import java.util.Collection;
import org.junit.Ignore;

/**
 * Tests {@link java.util.Set#hashCode}.
 *
 * @author George van den Driessche
 */
@GwtCompatible

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect.testing;

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

/**

 * limitations under the License.
 */

package com.google.common.collect;

import static java.util.Collections.singleton;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MapInterfaceTest;
import java.util.Collection;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

/**

 * limitations under the License.
 */

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.Helpers.getMethod;
import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_SET;

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

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

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

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

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.collect.Maps.transformValues;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;

import com.google.common.annotations.GwtCompatible;
import com.google.common.base.Function;

/**
 * Optional features of classes derived from {@code Collection}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum CollectionFeature implements Feature<Collection> {
  /**
   * The collection must not throw {@code NullPointerException} on calls such as {@code

    return emptySet();
  }

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

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

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

      return AbstractTable.this.size();
    }
  }

  @LazyInit private transient @Nullable Collection<V> values;

  @Override
  public Collection<V> values() {
    Collection<V> result = values;
    return (result == null) ? values = createValues() : result;
  }

  Collection<V> createValues() {
    return new Values();
  }

  Iterator<V> valuesIterator() {

 */

package com.google.common.collect.testing.google;

import static com.google.common.collect.testing.Helpers.assertContentsAnyOrder;
import static com.google.common.collect.testing.Helpers.assertEmpty;
import static com.google.common.collect.testing.Helpers.mapEntry;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;