*/
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public abstract class ImmutableMultimap<K, V> extends BaseImmutableMultimap<K, V>
    implements Serializable {

  /**
   * Returns an empty multimap.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  public static <K, V> ImmutableMultimap<K, V> of() {
    return ImmutableListMultimap.of();
  }

    assertEquals(VALUES.length, aa.length());
    for (int i = 0; i < VALUES.length; i++) {
      assertBitEquals(VALUES[i], aa.get(i));
    }
  }

  /** constructor with empty array has size 0 and contains no elements */
  public void testConstructorEmptyArray() {
    AtomicDoubleArray aa = new AtomicDoubleArray(new double[0]);
    assertEquals(0, aa.length());

	FilterPrefix string

	// ForwardTo will forward to the given object path.
	ForwardTo string

	// Limit the number of returned objects if > 0.
	Limit int

	// DiskID contains the disk ID of the disk.
	// Leave empty to not check disk ID.
	DiskID string
}

// supported FS for Nlink optimization in readdir.
const (
	xfs  = "XFS"
	ext4 = "EXT4"
)

// WalkDir will traverse a directory and return all entries found.

// If storage class is set using the env vars MINIO_STORAGE_CLASS_RRS and
// MINIO_STORAGE_CLASS_STANDARD or server config fields corresponding values are
// returned.
//
// -- if input storage class is empty then standard is assumed
//
// -- if input is RRS but RRS is not configured/initialized '-1' parity
//
//	for RRS is assumed, the caller is expected to choose the right parity
//	at that point.
//

    SortedSet<E> set = newTreeSet();
    for (E element : elements) {
      // Explicit null check because TreeSet wrongly accepts add(null) when empty.
      set.add(checkNotNull(element));
    }
    return set;
  }

  public static class ContiguousSetGenerator extends AbstractContiguousSetGenerator {
    @Override

    return populate(new HashMap<String, String>(), entries);
  }

  // TODO: call conversion constructors or factory methods instead of using
  // populate() on an empty map
  private static <T, M extends Map<T, String>> M populate(M map, Entry<T, String>[] entries) {
    for (Entry<T, String> entry : entries) {
      map.put(entry.getKey(), entry.getValue());
    }
    return map;

    protected String[] cookieDatePatterns = { //
            DateUtils.PATTERN_RFC1123, //
            DateUtils.PATTERN_RFC1036, //
            DateUtils.PATTERN_ASCTIME, //
            StringUtil.EMPTY//
    };

    protected LayeredConnectionSocketFactory sslSocketFactory;

    @Override
    public synchronized void init() {
        if (httpClient != null) {
            return;
        }

    /**
     * Return an array of Access Control Entry (ACE) objects representing
     * the security descriptor associated with this file or directory.
     * If no DACL is present, null is returned. If the DACL is empty, an array with 0 elements is returned.
     * 
     * @param resolveSids
     *            Attempt to resolve the SIDs within each ACE form
     *            their numeric representation to their corresponding account names.

	// the container or to a default string (e.g. "minio_master_key").
	//
	// We have to distinguish a explicit config from an implicit. Hence,
	// we unset the env. vars if they are set but empty or contain a path
	// which does not exist. The downside of this check is that if
	// MINIO_KMS_SECRET_KEY_FILE is set to a path that does not exist,
	// the server does not complain and start without a KMS config.
	//

}

// Is returns if c is all of t.
func (c ChecksumType) Is(t ChecksumType) bool {
	if t == ChecksumNone {
		return c == ChecksumNone
	}
	return c&t == t
}

// Key returns the header key.
// returns empty string if invalid or none.
func (c ChecksumType) Key() string {
	switch {
	case c.Is(ChecksumCRC32):
		return xhttp.AmzChecksumCRC32
	case c.Is(ChecksumCRC32C):
		return xhttp.AmzChecksumCRC32C