"strings"

	"github.com/cespare/xxhash/v2"
	"github.com/minio/minio-go/v7/pkg/set"
	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v3/ellipses"
	"github.com/minio/pkg/v3/env"
)

// This file implements and supports ellipses pattern for
// `minio server` command line arguments.

// Endpoint set represents parsed ellipses values, also provides
// methods to get the sets of endpoints.
type endpointSet struct {

  private static final class PickyIterable<E> implements Iterable<E> {
    final List<E> elements;
    int modCount = 0;

    PickyIterable(E... elements) {
      this.elements = new ArrayList<E>(asList(elements));
    }

    @Override
    public Iterator<E> iterator() {
      return new PickyIterator();
    }

    final class PickyIterator implements Iterator<E> {
      int expectedModCount = modCount;

    assertThrows(
        NullPointerException.class, () -> ImmutableMultiset.copyOf((Iterator<String>) iterator));
  }

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

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

        NbtAddress unwrapped = nbtAddress.unwrap(NbtAddress.class);
        assertNotNull(unwrapped);
        assertSame(nbtAddress, unwrapped);

        // Test unwrap for incompatible type - NbtAddress implements NetbiosAddress so it should return itself
        NetbiosAddress netbiosUnwrapped = nbtAddress.unwrap(NetbiosAddress.class);
        assertNotNull(netbiosUnwrapped);
        assertSame(nbtAddress, netbiosUnwrapped);

 *
 * @author Louis Wasserman
 * @author Jon Noack
 */
@GwtIncompatible // not worth using in GWT for now
class CompactHashMap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMap<K, V> implements Serializable {
  /*
   * TODO: Make this a drop-in replacement for j.u. versions, actually drop them in, and test the
   * world. Figure out what sort of space-time tradeoff we're actually going to get here with the

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

  @J2ktIncompatible
  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'),

 * to prioritize memory over CPU.
 *
 * @author Dimitris Andreou
 * @author Jon Noack
 */
@GwtIncompatible // not worth using in GWT for now
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() {

 * 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

 * Provides connection pooling and reuse for improved performance.
 *
 * @author mbechler
 *
 * <p>This class is intended for internal use.</p>
 */
public class SmbTransportPoolImpl implements SmbTransportPool {

    /**
     * Constructs a new SmbTransportPoolImpl instance.
     * This transport pool manages SMB connections for the client.
     */
    public SmbTransportPoolImpl() {

    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");
    }
  }