}
  }

  @SuppressWarnings("unchecked") // this method may throw CCE
  static int compareOrThrow(Comparable left, Comparable right) {
    return left.compareTo(right);
  }

  /** Needed to serialize sorted collections of Ranges. */
  private static class RangeLexOrdering extends Ordering<Range<?>> implements Serializable {
    static final Ordering<?> INSTANCE = new RangeLexOrdering();

    @Override

    protected static final String SPNEGO_PROMPT_NTLM = "spnego.prompt.ntlm";
    protected static final String SPNEGO_ALLOW_UNSECURE_BASIC = "spnego.allow.unsecure.basic";
    protected static final String SPNEGO_ALLOW_BASIC = "spnego.allow.basic";
    protected static final String SPNEGO_PREAUTH_PASSWORD = "spnego.preauth.password";
    protected static final String SPNEGO_PREAUTH_USERNAME = "spnego.preauth.username";

import static com.google.common.collect.testing.features.FeatureUtilTest.ExampleFeature.IMPLIES_FOO;
import static com.google.common.collect.testing.features.FeatureUtilTest.ExampleFeature.IMPLIES_IMPLIES_FOO;
import static com.google.common.collect.testing.features.FeatureUtilTest.ExampleFeature.IMPLIES_IMPLIES_FOO_AND_IMPLIES_BAR;
import static com.google.common.truth.Truth.assertThat;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.google.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;

import com.google.common.annotations.GwtCompatible;

    @J2ktIncompatible
    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> Collection<E> collection(
      Collection<E> collection, @CheckForNull Object mutex) {
    return new SynchronizedCollection<>(collection, mutex);
  }

  @VisibleForTesting
  static class SynchronizedCollection<E extends @Nullable Object> extends SynchronizedObject

    @J2ktIncompatible
    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> Collection<E> collection(
      Collection<E> collection, @CheckForNull Object mutex) {
    return new SynchronizedCollection<>(collection, mutex);
  }

  @VisibleForTesting
  static class SynchronizedCollection<E extends @Nullable Object> extends SynchronizedObject

    return result;
  }

  private static final class ThrowingTearDown implements TearDown {

    private final String id;
    boolean ran = false;

    ThrowingTearDown(String id) {
      this.id = id;
    }

    @Override
    public void tearDown() throws Exception {
      ran = true;
      throw new RuntimeException(id);
    }
  }

  private static final class SimpleTearDown implements TearDown {

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

package com.google.common.util.concurrent;

import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.testing.NullPointerTester;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;

@GwtCompatible(emulated = true, serializable = true)
@SuppressWarnings("serial") // uses writeReplace(), not default serialization
@ElementTypesAreNonnullByDefault
class RegularImmutableMultiset<E> extends ImmutableMultiset<E> {
  static final RegularImmutableMultiset<Object> EMPTY =
      new RegularImmutableMultiset<>(ObjectCountHashMap.create());

  final transient ObjectCountHashMap<E> contents;
  private final transient int size;

 * limitations under the License.
 */

package com.google.common.graph;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.graph.ElementOrder.insertion;
import static com.google.common.graph.ElementOrder.unordered;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.collect.Ordering;
import java.util.Comparator;