*
 * @author Dimitris Andreou
 * @author Jon Noack
 */
@GwtIncompatible // not worth using in GWT for now
@ElementTypesAreNonnullByDefault
class CompactHashSet<E extends @Nullable Object> extends AbstractSet<E> implements Serializable {
  // TODO(user): cache all field accesses in local vars

  /** Creates an empty {@code CompactHashSet} instance. */
  public static <E extends @Nullable Object> CompactHashSet<E> create() {

  }

  public void testLocalClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    class LocalWithDefaultConstructor implements Runnable {
      @Override
      public void run() {
        System.out.println(s + i);
      }
    }
    Constructor<?> constructor = LocalWithDefaultConstructor.class.getDeclaredConstructors()[0];

 * the {@code E} type variable declared by class {@code List} naturally maps to {@code String} in
 * the context of {@code class MyStringList implements List<String>}). In such case, prefer to use
 * {@link TypeToken#resolveType} since it's simpler and more type safe. This class should only be

    for (int i = 0; i < elements.length; i++) {
      table.put(i, 'a', elements[i]);
    }
  }

  private abstract static class TestCellSetGenerator
      implements TestSetGenerator<Cell<String, Integer, Character>> {
    @Override
    public SampleElements<Cell<String, Integer, Character>> samples() {
      return new SampleElements<>(
          immutableCell("bar", 1, 'a'),

  }

  public void testLocalClassDefaultConstructor() {
    final int i = 1;
    final String s = "hello world";
    class LocalWithDefaultConstructor implements Runnable {
      @Override
      public void run() {
        System.out.println(s + i);
      }
    }
    Constructor<?> constructor = LocalWithDefaultConstructor.class.getDeclaredConstructors()[0];

   * otherwise-concurrent GC cycle.
   */
  private static final class TaskNonReentrantExecutor extends AtomicReference<RunningState>
      implements Executor, Runnable {

    /**
     * Used to update and read the latestTaskQueue field. Set to null once the runnable has been run
     * or queued.
     */
    @CheckForNull ExecutionSequencer sequencer;

import org.codelibs.core.lang.ClassUtil;
import org.codelibs.core.lang.FieldUtil;
import org.codelibs.core.lang.StringUtil;

/**
 * {@link BeanDesc}の実装クラスです。
 *
 * @author higa
 */
public class BeanDescImpl implements BeanDesc {

    /** 空のオブジェクト配列 */
    protected static final Object[] EMPTY_ARGS = new Object[0];

    /** 空のクラス配列 */
    protected static final Class<?>[] EMPTY_PARAM_TYPES = new Class<?>[0];

    return ObjectArrays.concat(a, b, Integer.class);
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  public abstract static class TestIntegerListGenerator implements TestListGenerator<Integer> {
    @Override
    public SampleElements<Integer> samples() {
      return new SampleIntegers();
    }

    @Override
    public List<Integer> create(Object... elements) {

    return ObjectArrays.concat(a, b, Double.class);
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  public abstract static class TestDoubleListGenerator implements TestListGenerator<Double> {
    @Override
    public SampleElements<Double> samples() {
      return new SampleDoubles();
    }

    @Override
    public List<Double> create(Object... elements) {

    Iterator<@Nullable String> c = Iterators.forArray("a", null, "b");
    assertThrows(NullPointerException.class, () -> copyOf((Iterator<String>) c));
  }

  private static class CountingIterable implements Iterable<String> {
    int count = 0;

    @Override
    public Iterator<String> iterator() {
      count++;
      return Iterators.forArray("a", "b", "a");
    }
  }