return new UnmodifiableIterator<K>() {
      @Override
      public boolean hasNext() {
        return entryIterator.hasNext();
      }

      @Override
      public K next() {
        return entryIterator.next().getKey();
      }
    };
  }

  Spliterator<K> keySpliterator() {

        return NtlmUtil.computeResponse(responseKeyNT, serverChallenge, temp, 0, temp.length);
    }

    /**
     * Creates the LMv2 response for the supplied keys and challenges.
     *
     * @param responseKeyLM the LM response key
     * @param serverChallenge the server challenge bytes
     * @param clientChallenge the client challenge bytes
     * @return the calculated response
     */

        } catch (final IOException e) {
            return StringUtil.EMPTY; // empty
        }
    }

    /**
     * Gets the maximum size for alphanumeric terms from configuration.
     *
     * @return the maximum alphanumeric term size
     */
    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        return System.currentTimeMillis() - lastHeartbeat > timeoutMs;
    }
    
    // Getters and setters...
    public String getRegistrationId() { return registrationId; }
    public String getShareName() { return shareName; }
    public InetAddress getServerAddress() { return serverAddress; }
    public WitnessServiceType getServiceType() { return serviceType; }

        }
        if (len == 0) {
            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }

    /**
     * Finalize and return the calculated message digest
     *
     * @return calculated digest
     */
    public byte[] digest() {
        byte[] b = this.digest.digest();

     *
     * @return A <code>byte[]</code> containing the session key.
     */
    public byte[] getMasterKey() {
        return masterKey;
    }

    /**
     * Returns the session key.
     *
     * @return A <code>byte[]</code> containing the session key.
     */
    public byte[] getSessionKey() {
        return sessionKey;
    }

    /**

     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records across all pages.
     *
     * @return the total number of records
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**

			Description:    err.Error(),
		}, r.URL)
		return
	}

	// Version in policy must not be empty
	if bucketPolicy.Version == "" {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyInvalidVersion), r.URL)
		return
	}

	configData, err := json.Marshal(bucketPolicy)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

  public byte readByte() throws IOException {
    return (byte) readUnsignedByte();
  }

  @CanIgnoreReturnValue // to skip a byte
  @Override
  public boolean readBoolean() throws IOException {
    return readUnsignedByte() != 0;
  }

  /**
   * Reads a byte from the input stream checking that the end of file (EOF) has not been
   * encountered.
   *
   * @return byte read from input

	UserDefined         map[string]string   // only set in case of POST/PUT operations
	ObjectAttributes    map[string]struct{} // Attribute tags defined by the users for the GetObjectAttributes request
	MaxParts            int                 // used in GetObjectAttributes. Signals how many parts we should return