@Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public Multiset<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Multiset<String> create(String[] elements);

 * asynchronously.
 *
 * <p>To attach to a {@link ListenableFuture} use {@link Futures#addCallback}.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public interface FutureCallback<V extends @Nullable Object> {
  /** Invoked with the result of the {@code Future} computation when it is successful. */
  void onSuccess(@ParametricNullness V result);

  /**
   * Invoked when a {@code Future} computation fails or is canceled.
   *

Metrics are also available using the [MinIO Admin Client](https://docs.min.io/community/minio-object-store/reference/minio-mc-admin.html) and the `mc admin prometheus metrics` command. For more information, see [Metrics and Alerts](https://docs.min.io/community/minio-object-store/operations/monitoring/metrics-and-alerts.html) in the MinIO Documentation.

## Metrics Request Handling

@GwtCompatible
public enum IteratorFeature {
  /** Support for {@link Iterator#remove()}. */
  SUPPORTS_REMOVE,
  /**
   * Support for {@link ListIterator#add(Object)}; ignored for plain {@link Iterator}
   * implementations.
   */
  SUPPORTS_ADD,
  /**
   * Support for {@link ListIterator#set(Object)}; ignored for plain {@link Iterator}
   * implementations.
   */
  SUPPORTS_SET;

  /**

 */
interface TrailersSource {
  @Throws(IOException::class)
  fun peek(): Headers? = null

  @Throws(IOException::class)
  fun get(): Headers

  companion object {
    @JvmField
    val EMPTY: TrailersSource =
      object : TrailersSource {
        override fun peek() = Headers.EMPTY

        override fun get() = Headers.EMPTY
      }
  }

import org.jspecify.annotations.Nullable;

/** Never actually created; instead delegates to JdkBackedImmutableMultiset. */
final class RegularImmutableMultiset<E> extends ImmutableMultiset<E> {
  static final ImmutableMultiset<Object> EMPTY =
      JdkBackedImmutableMultiset.create(ImmutableList.of());

  RegularImmutableMultiset() {}

  static <E> ImmutableMultiset<E> create(Collection<? extends Entry<? extends E>> entries) {

    Object[] builderArray = builder.alternatingKeysAndValues;
    for (int i = 0; i < 10; i++) {
      builder.put(i, i);
    }
    Object[] builderArrayAfterPuts = builder.alternatingKeysAndValues;
    RegularImmutableBiMap<Integer, Integer> map =
        (RegularImmutableBiMap<Integer, Integer>) builder.build();
    Object[] mapInternalArray = map.alternatingKeysAndValues;

/**
 * Creates bimaps, containing sample entries, to be tested.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public interface TestBiMapGenerator<K extends @Nullable Object, V extends @Nullable Object>
    extends TestContainerGenerator<BiMap<K, V>, Entry<K, V>> {
  K[] createKeyArray(int length);

  V[] createValueArray(int length);

   *
   * @return an array containing all of the elements in this queue
   */
  @CanIgnoreReturnValue
  @Override
  public Object[] toArray() {
    E[] items = this.items;
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      Object[] a = new Object[count];
      int k = 0;
      int i = takeIndex;
      while (k < count) {
        a[k++] = items[i];
        i = inc(i);
      }

              return singleton("a").iterator();
            }
          });
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

  public void testIsEmpty_map() {
    Map<Object, Object> map = new HashMap<>();
    assertEmpty(map);

    map.put("a", "b");
    try {
      assertEmpty(map);
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }