@ElementTypesAreNonnullByDefault
abstract class TransformedIterator<F extends @Nullable Object, T extends @Nullable Object>
    implements Iterator<T> {
  final Iterator<? extends F> backingIterator;

  TransformedIterator(Iterator<? extends F> backingIterator) {
    this.backingIterator = checkNotNull(backingIterator);
  }


            

Reported by PMD.

              import java.util.Map;

@GwtCompatible(emulated = true)
abstract class LinkedHashMultimapGwtSerializationDependencies<K, V>
    extends AbstractSetMultimap<K, V> {
  LinkedHashMultimapGwtSerializationDependencies(Map<K, Collection<V>> map) {
    super(map);
  }


            

Reported by PMD.

               */
@Beta
@ElementTypesAreNonnullByDefault
public final class ValueGraphBuilder<N, V> extends AbstractGraphBuilder<N> {

  /** Creates a new instance with the specified edge directionality. */
  private ValueGraphBuilder(boolean directed) {
    super(directed);
  }

            

Reported by PMD.

              @GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class AbstractSequentialIterator<T> extends UnmodifiableIterator<T> {
  @CheckForNull private T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,
   * creates a new empty iterator.
   */

            

Reported by PMD.

              @GwtCompatible
@ElementTypesAreNonnullByDefault
final class ForwardingFluentFuture<V extends @Nullable Object> extends FluentFuture<V> {
  private final ListenableFuture<V> delegate;

  ForwardingFluentFuture(ListenableFuture<V> delegate) {
    this.delegate = checkNotNull(delegate);
  }


            

Reported by PMD.

                    }
    }
    for (int i = Double.MIN_EXPONENT; i <= Double.MAX_EXPONENT; i++) {
      for (int direction : new int[] {1, -1}) {
        double d = Double.longBitsToDouble(Double.doubleToLongBits(Math.scalb(1.0, i)) + direction);
        // Math.nextUp/nextDown
        if (d != Math.rint(d)) {
          fractionalBuilder.add(d);
        }

            

Reported by PMD.

               * @author Hayward Chan
 */
class RegularImmutableList<E> extends ForwardingImmutableList<E> {
  private final List<E> delegate;
  E forSerialization;

  RegularImmutableList(List<E> delegate) {
    // TODO(cpovirk): avoid redundant unmodifiableList wrapping
    this.delegate = unmodifiableList(delegate);

            

Reported by PMD.

              import java.util.Collection;

/** Never actually created; instead delegates to JdkBackedImmutableMultiset. */
class RegularImmutableMultiset<E> extends ImmutableMultiset<E> {
  static final ImmutableMultiset<Object> EMPTY =
      JdkBackedImmutableMultiset.create(ImmutableList.of());

  RegularImmutableMultiset() {}


            

Reported by PMD.

               */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public interface ByteArrayDataOutput extends DataOutput {
  @Override
  void write(int b);

  @Override
  void write(byte b[]);

            

Reported by PMD.

              /** Implementation of an {@link Optional} not containing a reference. */
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class Absent<T> extends Optional<T> {
  static final Absent<Object> INSTANCE = new Absent<>();

  @SuppressWarnings("unchecked") // implementation is "fully variant"
  static <T> Optional<T> withType() {
    return (Optional<T>) INSTANCE;

            

Reported by PMD.