* either key is null or isn't among the keys provided during construction, this method has no
   * effect.
   *
   * <p>This method is equivalent to {@code put(rowKey, columnKey, null)} when both provided keys
   * are valid.
   *
   * @param rowKey row key of mapping to be erased
   * @param columnKey column key of mapping to be erased

  public boolean containsKey(@Nullable Object key) {
    return indexOf(key) != -1;
  }

  public int get(@Nullable Object key) {
    int index = indexOf(key);
    return (index == -1) ? 0 : values[index];
  }

  @CanIgnoreReturnValue
  public int remove(@Nullable Object key) {
    return remove(key, smearedHash(key));
  }

  private int remove(@Nullable Object key, int hash) {

            Entry<K, V> entry = requireNonNull(entryArray[i]);
            K key = entry.getKey();
            V value = entry.getValue();
            checkEntryNotNull(key, value);
            keys[i] = key;
            values[i] = value;
            checkNoConflict(comparator.compare(prevKey, key) != 0, "key", prevEntry, entry);
            prevKey = key;
          }
        }
        return new ImmutableSortedMap<>(

		return defaultKVS.Get(key)
	}
	return v
}

// Keys returns the list of keys for the current KVS
func (kvs KVS) Keys() []string {
	keys := make([]string, len(kvs))
	var foundComment bool
	for i := range kvs {
		if kvs[i].Key == madmin.CommentKey {
			foundComment = true
		}
		keys[i] = kvs[i].Key
	}
	// Comment KV not found, add it explicitly.
	if !foundComment {

   * either key is null or isn't among the keys provided during construction, this method has no
   * effect.
   *
   * <p>This method is equivalent to {@code put(rowKey, columnKey, null)} when both provided keys
   * are valid.
   *
   * @param rowKey row key of mapping to be erased
   * @param columnKey column key of mapping to be erased

        }

        byte[] key = null;
        byte[] keyCopy = null;

        try {
            // Get the key and create a defensive copy for SecretKeySpec
            key = encrypt ? getEncryptionKey() : getDecryptionKey();
            keyCopy = Arrays.copyOf(key, key.length);

            // Validate key length matches expected cipher requirements

func Assignments(values map[string]interface{}) Set {
	keys := make([]string, 0, len(values))
	for key := range values {
		keys = append(keys, key)
	}
	sort.Strings(keys)

	assignments := make([]Assignment, len(keys))
	for idx, key := range keys {
		assignments[idx] = Assignment{Column: Column{Name: key}, Value: values[key]}
	}
	return assignments
}

func AssignmentColumns(values []string) Set {

   *
   * @param keys the unique, non-null keys whose values should be loaded
   * @return a map from each key in {@code keys} to the value associated with that key; <b>may not
   *     contain null values</b>
   * @throws Exception if unable to load the result
   * @throws InterruptedException if this method is interrupted. {@code InterruptedException} is

      K oldKey = keys[entryForValue];
      if (Objects.equals(oldKey, key)) {
        return key;
      } else {
        replaceKeyInEntry(entryForValue, key, force);
        return oldKey;
      }
    }

    int predecessor = lastInInsertionOrder;
    int keyHash = smearedHash(key);
    int keyEntry = findEntryByKey(key, keyHash);
    if (force) {
      if (keyEntry != ABSENT) {

	}

	// Check returned key list is correct
	if test.wantKeyNames != nil {
		keys := []madmin.KMSKeyInfo{}
		err := json.Unmarshal(rec.Body.Bytes(), &keys)
		if err != nil {
			t.Fatal(err)
		}
		if len(keys) != len(test.wantKeyNames) {
			t.Fatalf("want %d keys, got %d", len(test.wantKeyNames), len(keys))
		}

		for i, want := range keys {
			if want.CreatedBy != kms.StubCreatedBy {