}
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_zeroToThree_supported() {
    assertSetCount(e3(), 3);
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_oneToThree_supported() {
    assertSetCount(e0(), 3);
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testSetCount_zeroToOne_unsupported() {

    }
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_zeroToThree_supported() {
    assertSetCount(e3(), 3);
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_oneToThree_supported() {
    assertSetCount(e0(), 3);
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testSetCount_zeroToOne_unsupported() {

  }

  // retainAll(empty)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmpty() {
    expectReturnsFalse(empty);
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmptyUnsupported() {

  }

  @CollectionSize.Require(ONE)
  @CollectionFeature.Require({SUPPORTS_ADD, SUPPORTS_REMOVE})
  public void testSetCountOutOfTailBoundsOne() {
    expectSetCountFailure(sortedMultiset.tailMultiset(a.getElement(), OPEN), a);
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require({SUPPORTS_ADD, SUPPORTS_REMOVE})
  public void testSetCountOutOfTailBoundsSeveral() {

  }

  @CollectionSize.Require(ONE)
  @CollectionFeature.Require({SUPPORTS_ADD, SUPPORTS_REMOVE})
  public void testSetCountOutOfTailBoundsOne() {
    expectSetCountFailure(sortedMultiset.tailMultiset(a.getElement(), OPEN), a);
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require({SUPPORTS_ADD, SUPPORTS_REMOVE})
  public void testSetCountOutOfTailBoundsSeveral() {

            MapFeature.RESTRICTS_KEYS,
            MapFeature.SUPPORTS_REMOVE,
            CollectionFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
            CollectionFeature.SUPPORTS_REMOVE,
            CollectionSize.ANY)
        .named("Hashtable")

  }

  // retainAll(empty)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmpty() {
    expectReturnsFalse(empty);
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmptyUnsupported() {

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_ADD_WITH_INDEX;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_REMOVE_WITH_INDEX;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_SET;
import static java.util.Collections.emptyList;

import com.google.common.annotations.GwtCompatible;

    CollectionSize.ONE,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,
    CollectionFeature.SUPPORTS_ITERATOR_REMOVE
  };

  private static final Feature<?>[] FOR_MAP_FEATURES_ANY = {
    CollectionSize.ANY,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,
    CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
    MultisetTestSuiteBuilder.NoRecurse.NO_ENTRY_SET, // Cannot create entries with count > 1

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_ADD_WITH_INDEX;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_REMOVE_WITH_INDEX;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_SET;
import static java.util.Collections.emptyList;

import com.google.common.annotations.GwtCompatible;