private static class SynchronizedMultimap<K extends @Nullable Object, V extends @Nullable Object>
      extends SynchronizedObject implements Multimap<K, V> {
    transient @Nullable Set<K> keySet;
    transient @Nullable Collection<V> valuesCollection;
    transient @Nullable Collection<Map.Entry<K, V>> entries;
    transient @Nullable Map<K, Collection<V>> asMap;
    transient @Nullable Multiset<K> keys;

    @SuppressWarnings("unchecked")

import org.jspecify.annotations.Nullable;

/**
 * Test cases for {@link Tables#transformValues}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class TablesTransformValuesTest extends AbstractTableTest<Character> {

  private static final Function<@Nullable String, @Nullable Character> FIRST_CHARACTER =
      new Function<@Nullable String, @Nullable Character>() {
        @Override

            """
        ) {
            assertHasNoError()
            assertHasWarnings(
                "Field finalField: Nullability changed from nullable to non-nullable",
                "Method com.example.Source.foo(java.lang.String): Return nullability changed from nullable to non-nullable"
            )
            assertHasNoInformation()
        }
    }

    @Test

  @CanIgnoreReturnValue
  @Override
  public @Nullable V remove(@Nullable Object key) {
    return delegate().remove(key);
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return delegate().containsKey(key);
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    return delegate().containsValue(value);

    }

    abstract @Nullable V getValue(int keyIndex);

    @Override
    ImmutableSet<K> createKeySet() {
      return isFull() ? keyToIndex().keySet() : super.createKeySet();
    }

    @Override
    public int size() {
      return size;
    }

    @Override
    public @Nullable V get(@Nullable Object key) {
      Integer keyIndex = keyToIndex().get(key);

   *
   * @since 23.1 (varargs overload since 17.0)
   */
  public static void verify(
      boolean expression,
      String errorMessageTemplate,
      @Nullable Object p1,
      @Nullable Object p2,
      @Nullable Object p3,
      @Nullable Object p4) {
    if (!expression) {
      throw new VerifyException(lenientFormat(errorMessageTemplate, p1, p2, p3, p4));
    }
  }

  /*

 */
@GwtIncompatible
public abstract class ForwardingNavigableSet<E extends @Nullable Object>
    extends ForwardingSortedSet<E> implements NavigableSet<E> {

  /** Constructor for use by subclasses. */
  protected ForwardingNavigableSet() {}

  @Override
  protected abstract NavigableSet<E> delegate();

  @Override
  public @Nullable E lower(@ParametricNullness E e) {
    return delegate().lower(e);
  }

  /**

import org.jspecify.annotations.Nullable;

/** Implementations of {@code Futures.transform*}. */
@GwtCompatible
// Whenever both tests are cheap and functional, it's faster to use &, | instead of &&, ||
@SuppressWarnings("ShortCircuitBoolean")
abstract class AbstractTransformFuture<
        I extends @Nullable Object, O extends @Nullable Object, F, T extends @Nullable Object>

   */
  public static <T extends @Nullable Object> Iterable<List<@Nullable T>> paddedPartition(
      Iterable<T> iterable, int size) {
    checkNotNull(iterable);
    checkArgument(size > 0);
    return new FluentIterable<List<@Nullable T>>() {
      @Override
      public Iterator<List<@Nullable T>> iterator() {
        return Iterators.paddedPartition(iterable.iterator(), size);

            DefaultToolchainsBuilderRequest(
                    @Nonnull ProtoSession session,
                    @Nullable RequestTrace trace,
                    @Nullable Source installationToolchainsSource,
                    @Nullable Source userToolchainsSource) {
                super(session, trace);
                this.installationToolchainsSource = installationToolchainsSource;