@Override
  public void addListener(Runnable listener, Executor exec) {
    delegate().addListener(listener, exec);
  }

  // TODO(cpovirk): Use standard Javadoc form for SimpleForwarding* class and constructor
  /**
   * A simplified version of {@link ForwardingListenableFuture} where subclasses can pass in an

            

Reported by PMD.

                 */
  public abstract static class SimpleForwardingListenableFuture<V extends @Nullable Object>
      extends ForwardingListenableFuture<V> {
    private final ListenableFuture<V> delegate;

    protected SimpleForwardingListenableFuture(ListenableFuture<V> delegate) {
      this.delegate = Preconditions.checkNotNull(delegate);
    }


            

Reported by PMD.

                 */
  public abstract static class SimpleForwardingListenableFuture<V extends @Nullable Object>
      extends ForwardingListenableFuture<V> {
    private final ListenableFuture<V> delegate;

    protected SimpleForwardingListenableFuture(ListenableFuture<V> delegate) {
      this.delegate = Preconditions.checkNotNull(delegate);
    }


            

Reported by PMD.

              
  @Override
  public <T extends @Nullable Object> ListenableFuture<T> submit(Callable<T> task) {
    return delegate().submit(task);
  }

  @Override
  public ListenableFuture<?> submit(Runnable task) {
    return delegate().submit(task);

            

Reported by PMD.

              
  @Override
  public ListenableFuture<?> submit(Runnable task) {
    return delegate().submit(task);
  }

  @Override
  public <T extends @Nullable Object> ListenableFuture<T> submit(
      Runnable task, @ParametricNullness T result) {

            

Reported by PMD.

                @Override
  public <T extends @Nullable Object> ListenableFuture<T> submit(
      Runnable task, @ParametricNullness T result) {
    return delegate().submit(task, result);
  }
}

            

Reported by PMD.

                  } catch (RuntimeException e) {
      // ListenableFuture's contract is that it will not throw unchecked exceptions, so log the bad
      // runnable and/or executor and swallow it.
      log.log(
          Level.SEVERE,
          "RuntimeException while executing runnable " + listener + " with executor " + executor,
          e);
    }
  }

            

Reported by PMD.

              
  private static final Logger log = Logger.getLogger(ImmediateFuture.class.getName());

  @ParametricNullness private final V value;

  ImmediateFuture(@ParametricNullness V value) {
    this.value = value;
  }


            

Reported by PMD.

                  checkNotNull(executor, "Executor was null.");
    try {
      executor.execute(listener);
    } catch (RuntimeException e) {
      // ListenableFuture's contract is that it will not throw unchecked exceptions, so log the bad
      // runnable and/or executor and swallow it.
      log.log(
          Level.SEVERE,
          "RuntimeException while executing runnable " + listener + " with executor " + executor,

            

Reported by PMD.

              @Beta
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public abstract class RateLimiter {
  /**
   * Creates a {@code RateLimiter} with the specified stable throughput, given as "permits per
   * second" (commonly referred to as <i>QPS</i>, queries per second).
   *
   * <p>The returned {@code RateLimiter} ensures that on average no more than {@code

            

Reported by PMD.

                 * The underlying timer; used both to measure elapsed time and sleep as necessary. A separate
   * object to facilitate testing.
   */
  private final SleepingStopwatch stopwatch;

  // Can't be initialized in the constructor because mocks don't call the constructor.
  @CheckForNull private volatile Object mutexDoNotUseDirectly;

  private Object mutex() {

            

Reported by PMD.

                private final SleepingStopwatch stopwatch;

  // Can't be initialized in the constructor because mocks don't call the constructor.
  @CheckForNull private volatile Object mutexDoNotUseDirectly;

  private Object mutex() {
    Object mutex = mutexDoNotUseDirectly;
    if (mutex == null) {
      synchronized (this) {

            

Reported by PMD.

              @ElementTypesAreNonnullByDefault
class RegularImmutableAsList<E> extends ImmutableAsList<E> {
  private final ImmutableCollection<E> delegate;
  private final ImmutableList<? extends E> delegateList;

  RegularImmutableAsList(ImmutableCollection<E> delegate, ImmutableList<? extends E> delegateList) {
    this.delegate = delegate;
    this.delegateList = delegateList;
  }

            

Reported by PMD.

                  this.delegateList = delegateList;
  }

  RegularImmutableAsList(ImmutableCollection<E> delegate, Object[] array) {
    this(delegate, ImmutableList.<E>asImmutableList(array));
  }

  @Override
  ImmutableCollection<E> delegateCollection() {

            

Reported by PMD.

               */
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class Count implements Serializable {
  private int value;

  Count(int value) {
    this.value = value;
  }

            

Reported by PMD.

              @GwtCompatible
@ElementTypesAreNonnullByDefault
final class Count implements Serializable {
  private int value;

  Count(int value) {
    this.value = value;
  }


            

Reported by PMD.

              @ElementTypesAreNonnullByDefault
public class HashBasedTable<R, C, V> extends StandardTable<R, C, V> {
  private static class Factory<C, V> implements Supplier<Map<C, V>>, Serializable {
    final int expectedSize;

    Factory(int expectedSize) {
      this.expectedSize = expectedSize;
    }


            

Reported by PMD.

                public static <R, C, V> HashBasedTable<R, C, V> create(
      Table<? extends R, ? extends C, ? extends V> table) {
    HashBasedTable<R, C, V> result = create();
    result.putAll(table);
    return result;
  }

  HashBasedTable(Map<R, Map<C, V>> backingMap, Factory<C, V> factory) {
    super(backingMap, factory);

            

Reported by PMD.

               */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
final class JdkBackedImmutableMap<K, V> extends ImmutableMap<K, V> {
  /**
   * Creates an {@code ImmutableMap} backed by a JDK HashMap. Used when probable hash flooding is
   * detected. This implementation may replace the entries in entryArray with its own entry objects
   * (though they will have the same key/value contents), and will take ownership of entryArray.
   */

            

Reported by PMD.

                 * detected. This implementation may replace the entries in entryArray with its own entry objects
   * (though they will have the same key/value contents), and will take ownership of entryArray.
   */
  static <K, V> ImmutableMap<K, V> create(int n, @Nullable Entry<K, V>[] entryArray) {
    Map<K, V> delegateMap = Maps.newHashMapWithExpectedSize(n);
    for (int i = 0; i < n; i++) {
      // requireNonNull is safe because the first `n` elements have been filled in.
      entryArray[i] = makeImmutable(requireNonNull(entryArray[i]));
      V oldValue = delegateMap.putIfAbsent(entryArray[i].getKey(), entryArray[i].getValue());

            

Reported by PMD.

                 */
  @Deprecated
  public void trimToSize() {
    for (Collection<V> collection : backingMap().values()) {
      ArrayList<V> arrayList = (ArrayList<V>) collection;
      arrayList.trimToSize();
    }
  }


            

Reported by PMD.

                public void trimToSize() {
    for (Collection<V> collection : backingMap().values()) {
      ArrayList<V> arrayList = (ArrayList<V>) collection;
      arrayList.trimToSize();
    }
  }

  /**
   * @serialData expectedValuesPerKey, number of distinct keys, and then for each distinct key: the

            

Reported by PMD.

                PrimitiveSink putBytes(ByteBuffer bytes);

  /** Puts a short into this sink. */
  PrimitiveSink putShort(short s);

  /** Puts an int into this sink. */
  PrimitiveSink putInt(int i);

  /** Puts a long into this sink. */

            

Reported by PMD.

              @Beta
@CanIgnoreReturnValue
@ElementTypesAreNonnullByDefault
public interface PrimitiveSink {
  /**
   * Puts a byte into this sink.
   *
   * @param b a byte
   * @return this instance

            

Reported by PMD.