// CreateKey creates a new key at the KMS with the given key ID.
	CreateKey(ctx context.Context, keyID string) error

	// GenerateKey generates a new data encryption key using the
	// key referenced by the key ID.
	//
	// The KMS may use a default key if the key ID is empty.
	// GenerateKey returns an error if the referenced key does
	// not exist.
	//

			err = fmt.Errorf("item not found for the key: %v; should not happen;", key)
			return
		}
		orderedItems = append(orderedItems, item)
		delete(b.items, key)
	}

	b.keys = b.keys[:0]

	return
}

// GetByKey will get the batch item by the provided key
func (b *Batch[K, T]) GetByKey(key K) (T, bool) {
	b.Lock()
	defer b.Unlock()

	item, ok := b.items[key]
	return item, ok
}

var (
	defaultHelpPostfix = func(key string) string {
		return config.DefaultHelpPostfix(DefaultKVS, key)
	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         DisplayName,
			Description: "Friendly display name for this Provider/App" + defaultHelpPostfix(DisplayName),
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         ConfigURL,

      for (int i = WARMUP_MIN; i < WARMUP_MAX; i++) {
        Object key = warmed.get(i - WARMUP_MIN).getKey();
        Object value = warmed.get(i - WARMUP_MIN).getValue();
        assertFalse(cache.asMap().remove(key, -1));
        assertTrue(cache.asMap().remove(key, value));
        assertFalse(cache.asMap().remove(key, -1));
        assertFalse(cache.asMap().containsKey(key));
      }
      checkEmpty(cache);
    }
  }

     * キーが含まれているかどうかを返します。
     *
     * @param key
     *            キー
     * @return キーが含まれているかどうか
     */
    public boolean containsKey(final String key) {
        return super.containsKey(convertKey(key));
    }

    @Override
    public V get(final Object key) {
        return super.get(convertKey(key));
    }

    @Override
    public final V put(final String key, final V value) {

    @Override
    public boolean containsKey(final Object key) {
        final Entry<K, V>[] tbl = mapTable;
        if (key != null) {
            final int hashCode = key.hashCode();
            final int index = (hashCode & 0x7FFFFFFF) % tbl.length;
            for (Entry<K, V> e = tbl[index]; e != null; e = e.next) {
                if (e.hashCode == hashCode && key.equals(e.key)) {
                    return true;
                }

		})
	}

	for _, hkv := range h {
		key := hkv.Key
		if envOnly {
			key = config.EnvPrefix + strings.ToTitle(subSys) + config.EnvWordDelimiter + strings.ToTitle(hkv.Key)
		}
		help = append(help, config.HelpKV{
			Key:         key,
			Description: hkv.Description,
			Optional:    hkv.Optional,
			Type:        hkv.Type,
		})
	}

	return Help{
		SubSys:          subSys,

    assertFalse(map.containsKey(key));

    assertEquals(0L, map.remove(key));
    assertEquals(0L, map.get(key));
    assertFalse(map.containsKey(key));

    assertEquals(0L, map.put(key, 0L));
    assertEquals(0L, map.get(key));
    assertTrue(map.containsKey(key));

    assertEquals(0L, map.remove(key));
    assertEquals(0L, map.get(key));
    assertFalse(map.containsKey(key));
  }

var (
	defaultHelpPostfix = func(key string) string {
		return config.DefaultHelpPostfix(DefaultKVS, key)
	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         ServerAddr,
			Description: `AD/LDAP server address e.g. "myldap.com" or "myldapserver.com:636"` + defaultHelpPostfix(ServerAddr),
			Type:        "address",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         SRVRecordName,

   * lowerEntry} to forward to this implementation.
   */
  @CheckForNull
  protected Entry<K, V> standardLowerEntry(@ParametricNullness K key) {
    return headMap(key, false).lastEntry();
  }

  @Override
  @CheckForNull
  public K lowerKey(@ParametricNullness K key) {
    return delegate().lowerKey(key);
  }

  /**
   * A sensible definition of {@link #lowerKey} in terms of {@code lowerEntry}. If you override