import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FluentIterable}.
 *
 * @author Marcin Mikosik
 */
@GwtCompatible(emulated = true)
public class FluentIterableTest extends TestCase {

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {

 *         .stream()
 *         .filter(Client::isActiveInLastMonth)
 *         .map(Object::toString)
 *         .limit(10)
 *         .collect(Collectors.toList());
 * }</pre>
 *
 * @author Marcin Mikosik
 * @since 12.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public abstract class FluentIterable<E extends @Nullable Object> implements Iterable<E> {

 *         .stream()
 *         .filter(Client::isActiveInLastMonth)
 *         .map(Object::toString)
 *         .limit(10)
 *         .collect(Collectors.toList());
 * }</pre>
 *
 * @author Marcin Mikosik
 * @since 12.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public abstract class FluentIterable<E extends @Nullable Object> implements Iterable<E> {