int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      boolean bitsChanged = false;
      for (int i = 1; i <= numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      boolean bitsChanged = false;
      for (int i = 1; i <= numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      for (int i = 1; i <= numHashFunctions; i++) {
        int combinedHash = hash1 + (i * hash2);

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      for (int i = 1; i <= numHashFunctions; i++) {
        int combinedHash = hash1 + (i * hash2);

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      boolean bitsChanged = false;
      long combinedHash = hash1;

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      boolean bitsChanged = false;
      long combinedHash = hash1;

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      long combinedHash = hash1;
      for (int i = 0; i < numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      long combinedHash = hash1;
      for (int i = 0; i < numHashFunctions; i++) {

            

Reported by PMD.

                 */
  static final class LockFreeBitArray {
    private static final int LONG_ADDRESSABLE_BITS = 6;
    final AtomicLongArray data;
    private final LongAddable bitCount;

    LockFreeBitArray(long bits) {
      checkArgument(bits > 0, "data length is zero!");
      // Avoid delegating to this(long[]), since AtomicLongArray(long[]) will clone its input and

            

Reported by PMD.

                static final class LockFreeBitArray {
    private static final int LONG_ADDRESSABLE_BITS = 6;
    final AtomicLongArray data;
    private final LongAddable bitCount;

    LockFreeBitArray(long bits) {
      checkArgument(bits > 0, "data length is zero!");
      // Avoid delegating to this(long[]), since AtomicLongArray(long[]) will clone its input and
      // thus double memory usage.

            

Reported by PMD.

              @GwtCompatible
@SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();


            

Reported by PMD.

              @GwtCompatible
@SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();


            

Reported by PMD.

              @SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();

    @Override

            

Reported by PMD.

                  }
  }

  @SuppressWarnings("unchecked")
  static <C extends Comparable<?>> Function<Range<C>, Cut<C>> lowerBoundFn() {
    return (Function) LowerBoundFn.INSTANCE;
  }

  @SuppressWarnings("unchecked")

            

Reported by PMD.

                  }
  }

  private static final Range<Comparable> ALL = new Range<>(Cut.belowAll(), Cut.aboveAll());

  /**
   * Returns a range that contains every value of type {@code C}.
   *
   * @since 14.0

            

Reported by PMD.

                  checkNotNull(values);
    if (values instanceof SortedSet) {
      SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();

            

Reported by PMD.

                  if (values instanceof SortedSet) {
      SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());

            

Reported by PMD.

                    SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());
    C max = min;

            

Reported by PMD.

                    SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());
    C max = min;

            

Reported by PMD.

                  C max = min;
    while (valueIterator.hasNext()) {
      C value = checkNotNull(valueIterator.next());
      min = Ordering.natural().min(min, value);
      max = Ordering.natural().max(max, value);
    }
    return closed(min, max);
  }


            

Reported by PMD.

                            okayToRun.await();
            } catch (InterruptedException e) {
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
            runCalled.getAndIncrement();
          }
        },
        directExecutor());

            

Reported by PMD.

                    new Runnable() {
        @Override
        public void run() {
          throw new RuntimeException();
        }
      };
}

            

Reported by PMD.

               */
public class ExecutionListTest extends TestCase {

  private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);

            

Reported by PMD.

                private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);

            

Reported by PMD.

                private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);

            

Reported by PMD.

                  list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

    // Verify that all of the runnables execute in a reasonable amount of time.
    assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));

            

Reported by PMD.

                  list.execute();

    // Verify that all of the runnables execute in a reasonable amount of time.
    assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(

            

Reported by PMD.

                  assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {

            

Reported by PMD.

                  assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {

            

Reported by PMD.

                      },
        directExecutor());
    list.execute();
    assertEquals(1, runCalled.get());
    list.execute();
    assertEquals(1, runCalled.get());
  }



            

Reported by PMD.

              @GwtCompatible
@SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();


            

Reported by PMD.

              @GwtCompatible
@SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();


            

Reported by PMD.

              @SuppressWarnings("rawtypes")
@ElementTypesAreNonnullByDefault
public final class Range<C extends Comparable> extends RangeGwtSerializationDependencies
    implements Predicate<C>, Serializable {

  static class LowerBoundFn implements Function<Range, Cut> {
    static final LowerBoundFn INSTANCE = new LowerBoundFn();

    @Override

            

Reported by PMD.

                  }
  }

  @SuppressWarnings("unchecked")
  static <C extends Comparable<?>> Function<Range<C>, Cut<C>> lowerBoundFn() {
    return (Function) LowerBoundFn.INSTANCE;
  }

  @SuppressWarnings("unchecked")

            

Reported by PMD.

                  }
  }

  private static final Range<Comparable> ALL = new Range<>(Cut.belowAll(), Cut.aboveAll());

  /**
   * Returns a range that contains every value of type {@code C}.
   *
   * @since 14.0

            

Reported by PMD.

                  checkNotNull(values);
    if (values instanceof SortedSet) {
      SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();

            

Reported by PMD.

                  if (values instanceof SortedSet) {
      SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());

            

Reported by PMD.

                    SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());
    C max = min;

            

Reported by PMD.

                    SortedSet<C> set = (SortedSet<C>) values;
      Comparator<?> comparator = set.comparator();
      if (Ordering.natural().equals(comparator) || comparator == null) {
        return closed(set.first(), set.last());
      }
    }
    Iterator<C> valueIterator = values.iterator();
    C min = checkNotNull(valueIterator.next());
    C max = min;

            

Reported by PMD.

                  C max = min;
    while (valueIterator.hasNext()) {
      C value = checkNotNull(valueIterator.next());
      min = Ordering.natural().min(min, value);
      max = Ordering.natural().max(max, value);
    }
    return closed(min, max);
  }


            

Reported by PMD.

               */
@GwtCompatible(serializable = true, emulated = true)
@ElementTypesAreNonnullByDefault
public class ImmutableSetMultimap<K, V> extends ImmutableMultimap<K, V>
    implements SetMultimap<K, V> {

  /**
   * Returns the empty multimap.
   *

            

Reported by PMD.

              @GwtCompatible(serializable = true, emulated = true)
@ElementTypesAreNonnullByDefault
public class ImmutableSetMultimap<K, V> extends ImmutableMultimap<K, V>
    implements SetMultimap<K, V> {

  /**
   * Returns the empty multimap.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.

            

Reported by PMD.

                 * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of
   * an entry (according to {@link Object#equals}) after the first are ignored.
   */
  public static <K, V> ImmutableSetMultimap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5) {
    ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder();
    builder.put(k1, v1);
    builder.put(k2, v2);
    builder.put(k3, v3);

            

Reported by PMD.

                 *
   * @since 2.0
   */
  public static final class Builder<K, V> extends ImmutableMultimap.Builder<K, V> {
    /**
     * Creates a new builder. The returned builder is equivalent to the builder generated by {@link
     * ImmutableSetMultimap#builder}.
     */
    public Builder() {

            

Reported by PMD.

                  @Override
    public Builder<K, V> putAll(Multimap<? extends K, ? extends V> multimap) {
      for (Entry<? extends K, ? extends Collection<? extends V>> entry :
          multimap.asMap().entrySet()) {
        putAll(entry.getKey(), entry.getValue());
      }
      return this;
    }


            

Reported by PMD.

                  public ImmutableSetMultimap<K, V> build() {
      Collection<Map.Entry<K, Collection<V>>> mapEntries = builderMap.entrySet();
      if (keyComparator != null) {
        mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries);
      }
      return fromMapEntries(mapEntries, valueComparator);
    }
  }


            

Reported by PMD.

                  public ImmutableSetMultimap<K, V> build() {
      Collection<Map.Entry<K, Collection<V>>> mapEntries = builderMap.entrySet();
      if (keyComparator != null) {
        mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries);
      }
      return fromMapEntries(mapEntries, valueComparator);
    }
  }


            

Reported by PMD.

                  if (multimap instanceof ImmutableSetMultimap) {
      @SuppressWarnings("unchecked") // safe since multimap is not writable
      ImmutableSetMultimap<K, V> kvMultimap = (ImmutableSetMultimap<K, V>) multimap;
      if (!kvMultimap.isPartialView()) {
        return kvMultimap;
      }
    }

    return fromMapEntries(multimap.asMap().entrySet(), valueComparator);

            

Reported by PMD.

                    }
    }

    return fromMapEntries(multimap.asMap().entrySet(), valueComparator);
  }

  /**
   * Returns an immutable multimap containing the specified entries. The returned multimap iterates
   * over keys in the order they were first encountered in the input, and the values for each key

            

Reported by PMD.

                    K key = entry.getKey();
      Collection<? extends V> values = entry.getValue();
      ImmutableSet<V> set = valueSet(valueComparator, values);
      if (!set.isEmpty()) {
        builder.put(key, set);
        size += set.size();
      }
    }


            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      boolean bitsChanged = false;
      for (int i = 1; i <= numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      boolean bitsChanged = false;
      for (int i = 1; i <= numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      for (int i = 1; i <= numHashFunctions; i++) {
        int combinedHash = hash1 + (i * hash2);

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      for (int i = 1; i <= numHashFunctions; i++) {
        int combinedHash = hash1 + (i * hash2);

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      boolean bitsChanged = false;
      long combinedHash = hash1;

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      boolean bitsChanged = false;
      long combinedHash = hash1;

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      long combinedHash = hash1;
      for (int i = 0; i < numHashFunctions; i++) {

            

Reported by PMD.

                      int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      byte[] bytes = Hashing.murmur3_128().hashObject(object, funnel).getBytesInternal();
      long hash1 = lowerEight(bytes);
      long hash2 = upperEight(bytes);

      long combinedHash = hash1;
      for (int i = 0; i < numHashFunctions; i++) {

            

Reported by PMD.

                 */
  static final class LockFreeBitArray {
    private static final int LONG_ADDRESSABLE_BITS = 6;
    final AtomicLongArray data;
    private final LongAddable bitCount;

    LockFreeBitArray(long bits) {
      checkArgument(bits > 0, "data length is zero!");
      // Avoid delegating to this(long[]), since AtomicLongArray(long[]) will clone its input and

            

Reported by PMD.

                static final class LockFreeBitArray {
    private static final int LONG_ADDRESSABLE_BITS = 6;
    final AtomicLongArray data;
    private final LongAddable bitCount;

    LockFreeBitArray(long bits) {
      checkArgument(bits > 0, "data length is zero!");
      // Avoid delegating to this(long[]), since AtomicLongArray(long[]) will clone its input and
      // thus double memory usage.

            

Reported by PMD.

                            okayToRun.await();
            } catch (InterruptedException e) {
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
            runCalled.getAndIncrement();
          }
        },
        directExecutor());

            

Reported by PMD.

                    new Runnable() {
        @Override
        public void run() {
          throw new RuntimeException();
        }
      };
}

            

Reported by PMD.

               */
public class ExecutionListTest extends TestCase {

  private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);

            

Reported by PMD.

                private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);

            

Reported by PMD.

                private final ExecutionList list = new ExecutionList();


  public void testRunOnPopulatedList() throws Exception {
    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);

            

Reported by PMD.

                  list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

    // Verify that all of the runnables execute in a reasonable amount of time.
    assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));

            

Reported by PMD.

                  list.execute();

    // Verify that all of the runnables execute in a reasonable amount of time.
    assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(

            

Reported by PMD.

                  assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {

            

Reported by PMD.

                  assertTrue(countDownLatch.await(1L, TimeUnit.SECONDS));
  }

  public void testExecute_idempotent() {
    final AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {

            

Reported by PMD.

                      },
        directExecutor());
    list.execute();
    assertEquals(1, runCalled.get());
    list.execute();
    assertEquals(1, runCalled.get());
  }



            

Reported by PMD.

                @SuppressWarnings("JdkObsolete") // TODO(b/6160855): Switch GWT emulations to NavigableSet.
  static class ElementSet<E extends @Nullable Object> extends Multisets.ElementSet<E>
      implements SortedSet<E> {
    @Weak private final SortedMultiset<E> multiset;

    ElementSet(SortedMultiset<E> multiset) {
      this.multiset = multiset;
    }


            

Reported by PMD.

                @SuppressWarnings("JdkObsolete") // TODO(b/6160855): Switch GWT emulations to NavigableSet.
  static class ElementSet<E extends @Nullable Object> extends Multisets.ElementSet<E>
      implements SortedSet<E> {
    @Weak private final SortedMultiset<E> multiset;

    ElementSet(SortedMultiset<E> multiset) {
      this.multiset = multiset;
    }


            

Reported by PMD.

              
    @Override
    public Iterator<E> iterator() {
      return Multisets.elementIterator(multiset().entrySet().iterator());
    }

    @Override
    public Comparator<? super E> comparator() {
      return multiset().comparator();

            

Reported by PMD.

              
    @Override
    public Iterator<E> iterator() {
      return Multisets.elementIterator(multiset().entrySet().iterator());
    }

    @Override
    public Comparator<? super E> comparator() {
      return multiset().comparator();

            

Reported by PMD.

              
    @Override
    public Comparator<? super E> comparator() {
      return multiset().comparator();
    }

    @Override
    public SortedSet<E> subSet(@ParametricNullness E fromElement, @ParametricNullness E toElement) {
      return multiset().subMultiset(fromElement, CLOSED, toElement, OPEN).elementSet();

            

Reported by PMD.

              
    @Override
    public SortedSet<E> subSet(@ParametricNullness E fromElement, @ParametricNullness E toElement) {
      return multiset().subMultiset(fromElement, CLOSED, toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return multiset().headMultiset(toElement, OPEN).elementSet();

            

Reported by PMD.

              
    @Override
    public SortedSet<E> subSet(@ParametricNullness E fromElement, @ParametricNullness E toElement) {
      return multiset().subMultiset(fromElement, CLOSED, toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return multiset().headMultiset(toElement, OPEN).elementSet();

            

Reported by PMD.

              
    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return multiset().headMultiset(toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
      return multiset().tailMultiset(fromElement, CLOSED).elementSet();

            

Reported by PMD.

              
    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return multiset().headMultiset(toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
      return multiset().tailMultiset(fromElement, CLOSED).elementSet();

            

Reported by PMD.

              
    @Override
    public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
      return multiset().tailMultiset(fromElement, CLOSED).elementSet();
    }

    @Override
    @ParametricNullness
    public E first() {

            

Reported by PMD.

                @CanIgnoreReturnValue
  public static <T> T checkNotNull(@CheckForNull T reference) {
    if (reference == null) {
      throw new NullPointerException();
    }
    return reference;
  }

  /**

            

Reported by PMD.

                @CanIgnoreReturnValue
  public static <T> T checkNotNull(@CheckForNull T reference, @CheckForNull Object errorMessage) {
    if (reference == null) {
      throw new NullPointerException(String.valueOf(errorMessage));
    }
    return reference;
  }

  /**

            

Reported by PMD.

                    String errorMessageTemplate,
      @CheckForNull @Nullable Object... errorMessageArgs) {
    if (reference == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, errorMessageArgs));
    }
    return reference;
  }

  /**

            

Reported by PMD.

                @CanIgnoreReturnValue
  public static <T> T checkNotNull(@CheckForNull T obj, String errorMessageTemplate, char p1) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                @CanIgnoreReturnValue
  public static <T> T checkNotNull(@CheckForNull T obj, String errorMessageTemplate, int p1) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                @CanIgnoreReturnValue
  public static <T> T checkNotNull(@CheckForNull T obj, String errorMessageTemplate, long p1) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                public static <T> T checkNotNull(
      @CheckForNull T obj, String errorMessageTemplate, @CheckForNull Object p1) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                public static <T> T checkNotNull(
      @CheckForNull T obj, String errorMessageTemplate, char p1, char p2) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1, p2));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                public static <T> T checkNotNull(
      @CheckForNull T obj, String errorMessageTemplate, char p1, int p2) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1, p2));
    }
    return obj;
  }

  /**

            

Reported by PMD.

                public static <T> T checkNotNull(
      @CheckForNull T obj, String errorMessageTemplate, char p1, long p2) {
    if (obj == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1, p2));
    }
    return obj;
  }

  /**

            

Reported by PMD.

              @GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
public class MapEqualsTester<K, V> extends AbstractMapTester<K, V> {
  public void testEquals_otherMapWithSameEntries() {
    assertTrue(
        "A Map should equal any other Map containing the same entries.",
        getMap().equals(newHashMap(getSampleEntries())));
  }


            

Reported by PMD.

                public void testEquals_otherMapWithSameEntries() {
    assertTrue(
        "A Map should equal any other Map containing the same entries.",
        getMap().equals(newHashMap(getSampleEntries())));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherMapWithDifferentEntries() {
    Map<K, V> other = newHashMap(getSampleEntries(getNumEntries() - 1));

            

Reported by PMD.

                      getMap().equals(newHashMap(getSampleEntries())));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherMapWithDifferentEntries() {
    Map<K, V> other = newHashMap(getSampleEntries(getNumEntries() - 1));
    other.put(k3(), v3());
    assertFalse(
        "A Map should not equal another Map containing different entries.", getMap().equals(other));

            

Reported by PMD.

                @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherMapWithDifferentEntries() {
    Map<K, V> other = newHashMap(getSampleEntries(getNumEntries() - 1));
    other.put(k3(), v3());
    assertFalse(
        "A Map should not equal another Map containing different entries.", getMap().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)

            

Reported by PMD.

                  Map<K, V> other = newHashMap(getSampleEntries(getNumEntries() - 1));
    other.put(k3(), v3());
    assertFalse(
        "A Map should not equal another Map containing different entries.", getMap().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testEquals_containingNullKey() {

            

Reported by PMD.

                      "A Map should not equal another Map containing different entries.", getMap().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testEquals_containingNullKey() {
    Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);
    entries.add(entry(null, v3()));


            

Reported by PMD.

                @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testEquals_containingNullKey() {
    Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);
    entries.add(entry(null, v3()));

    resetContainer(getSubjectGenerator().create(entries.toArray()));
    assertTrue(
        "A Map should equal any other Map containing the same entries,"
            + " even if some keys are null.",

            

Reported by PMD.

                  Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);
    entries.add(entry(null, v3()));

    resetContainer(getSubjectGenerator().create(entries.toArray()));
    assertTrue(
        "A Map should equal any other Map containing the same entries,"
            + " even if some keys are null.",
        getMap().equals(newHashMap(entries)));
  }

            

Reported by PMD.

                  Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);
    entries.add(entry(null, v3()));

    resetContainer(getSubjectGenerator().create(entries.toArray()));
    assertTrue(
        "A Map should equal any other Map containing the same entries,"
            + " even if some keys are null.",
        getMap().equals(newHashMap(entries)));
  }

            

Reported by PMD.

                  assertTrue(
        "A Map should equal any other Map containing the same entries,"
            + " even if some keys are null.",
        getMap().equals(newHashMap(entries)));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherContainsNullKey() {
    Collection<Entry<K, V>> entries = getSampleEntries(getNumEntries() - 1);

            

Reported by PMD.