*
 * @param <E> the type of element returned by the iterator
 * @param <I> the type of the iterator ({@link Iterator} or {@link ListIterator})
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class AbstractIteratorTester<E extends @Nullable Object, I extends Iterator<E>> {
  private Stimulus<E, ? super I>[] stimuli;

 *
 * @param <E> the type of element returned by the iterator
 * @param <I> the type of the iterator ({@link Iterator} or {@link ListIterator})
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class AbstractIteratorTester<E extends @Nullable Object, I extends Iterator<E>> {
  private Stimulus<E, ? super I>[] stimuli;

 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#sets">{@code Sets}</a>.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 * @author Chris Povirk
 * @since 2.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Sets {
  private Sets() {}

  /**

     */
    assertTrue(
        "Expected elapsed millis to be >= " + expectedMillis + " but was " + elapsedMillis,
        elapsedMillis + 5 >= expectedMillis);
  }

  // TODO(cpovirk): Split this into separate CountDownLatch and IncrementableCountDownLatch classes.

  /** Manages a {@link BlockingQueue} and associated timings for a {@code put} call. */
  private static final class TimedPutQueue {

            <signature>
              <groupId>com.toasttab.android</groupId>
              <artifactId>gummy-bears-api-21</artifactId>
              <version>0.8.0</version>
              <!-- TODO(cpovirk): In principle, it would make sense to *also* test compatibility with JDK 1.8, since guava-android also has JRE users. -->
            </signature>
            <ignores>

    fail();
  }

  public static class BadNullsFactory {
    public static Object bad(@SuppressWarnings("unused") String a) {
      return new BadNulls();
    }
  }

  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException... ClassSanityTesterTest$AnInterface
  public void testSerializableOnReturnValues_good() throws Exception {
    tester.forAllPublicStaticMethods(GoodSerializableFactory.class).testSerializable();
  }

  // TODO(cpovirk): split into ImmutableSortedSet/ForwardingImmutableSortedSet?

  // In the non-emulated source, this is in ImmutableSortedSetFauxverideShim,
  // which overrides ImmutableSet & which ImmutableSortedSet extends.
  // It is necessary here because otherwise the builder() method
  // would be inherited from the emulated ImmutableSet.

     * always contains not just the current thread's exception but also the initial thread's.
     */
    Set<Throwable> seenExceptionsLocal = seenExceptions;
    if (seenExceptionsLocal == null) {
      // TODO(cpovirk): Should we use a simpler (presumably cheaper) data structure?
      /*
       * Using weak references here could let us release exceptions earlier, but:
       *

            <configuration>
              <compilerArgs combine.children="append">
                <!-- https://errorprone.info/docs/installation#maven -->
                <!-- TODO(cpovirk): Enable NullArgumentForNonNullParameter for
                     prod code. It's disabled automatically for "test code"
                     (which is good: our tests have intentional violations), but

     * always contains not just the current thread's exception but also the initial thread's.
     */
    Set<Throwable> seenExceptionsLocal = seenExceptions;
    if (seenExceptionsLocal == null) {
      // TODO(cpovirk): Should we use a simpler (presumably cheaper) data structure?
      /*
       * Using weak references here could let us release exceptions earlier, but:
       *