if (key == null) {
      return null;
    }
    int hash = hash(key);
    return segmentFor(hash).getEntry(key, hash);
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    if (key == null) {
      return false;
    }
    int hash = hash(key);
    return segmentFor(hash).containsKey(key, hash);
  }

  @Override

//
// ## SSE-S3
//
// SSE-S3 can use either a master key or a KMS as root-of-trust.
// The en/decryption slightly depens upon which root-of-trust is used.
//
// ### SSE-S3 and single master key
//
// The master key is used to derive unique object- and key-encryption-keys.
// SSE-S3 with a single master key works as SSE-C where the master key is
// used as the client-provided key.
//
//  1. Encrypt:

    assertEmpty(multimap().entries());
    assertEmpty(multimap().asMap());
    assertEmpty(multimap().keySet());
    assertEmpty(multimap().keys());
    assertEmpty(multimap().values());
    for (K key : sampleKeys()) {
      assertGet(key);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClear() {
    multimap().clear();
    assertCleared();
  }

     * Searches for the property with the specified key in this property list.
     *
     * @param key the property key.
     * @return the value in this property list with the specified key value.
     */
    public String getProperty(String key) {
        return this.get(key);
    }

    /**
     * Searches for the property with the specified key in this property list. If the key is not found in this property

     * Searches for the property with the specified key in this property list.
     *
     * @param key the property key.
     * @return the value in this property list with the specified key value.
     */
    public String getProperty(String key) {
        return this.get(key);
    }

    /**
     * Searches for the property with the specified key in this property list. If the key is not found in this property

    for (K key : multimap().keySet()) {
      SortedSet<V> valueSet = (SortedSet<V>) multimap().asMap().get(key);
      assertEquals(multimap().valueComparator(), valueSet.comparator());
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testAsMapRemoveImplementsSortedSet() {
    List<K> keys = new ArrayList<>(multimap().keySet());
    for (K key : keys) {
      resetCollection();

  @Override
  public @Nullable V put(K key, V value) {
    checkNotNull(key);
    checkNotNull(value);
    int hash = hash(key);
    return segmentFor(hash).put(key, hash, value, false);
  }

  @Override
  public @Nullable V putIfAbsent(K key, V value) {
    checkNotNull(key);
    checkNotNull(value);
    int hash = hash(key);
    return segmentFor(hash).put(key, hash, value, true);
  }

	EnvKESAPIKey         = "MINIO_KMS_KES_API_KEY"      // Access credential for KES - API keys and private key / certificate are mutually exclusive
	EnvKESClientKey      = "MINIO_KMS_KES_KEY_FILE"     // Path to TLS private key for authenticating to KES with mTLS - usually prefer API keys

   * provided key-value mapping, this method has no effect.
   *
   * <p>Note that a successful call to this method could cause the size of the bimap to increase by
   * one, stay the same, or even decrease by one.
   *
   * <p><b>Warning:</b> If an existing entry with this value is removed, the key for that entry is
   * discarded and not returned.
   *

		var key []byte
		if crypto.SSECopy.IsRequested(h) {
			sseCopyKey, err := crypto.SSECopy.ParseHTTP(h)
			if err != nil {
				return nil, err
			}
			key = sseCopyKey[:]
		} else {
			if k, err := crypto.SSEC.ParseHTTP(h); err == nil {
				key = k[:]
			}
		}
		key, err := decryptObjectMeta(key, o.Bucket, o.Name, o.UserDefined)
		if err != nil {
			return nil, err
		}