return key;
      }
      biMap.replaceKeyInEntry(index, key, false);
      return oldKey;
    }
  }

  /**
   * @serialData the number of entries, first key, first value, second key, second value, and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  @J2ktIncompatible
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

   *
   * <pre>{@code
   * enum MyLockOrder {
   *   FIRST, SECOND, THIRD;
   * }
   *
   * CycleDetectingLockFactory.WithExplicitOrdering<MyLockOrder> factory =
   *   CycleDetectingLockFactory.newInstanceWithExplicitOrdering(Policies.THROW);
   *
   * Lock lock1 = factory.newReentrantLock(MyLockOrder.FIRST);
   * Lock lock2 = factory.newReentrantLock(MyLockOrder.SECOND);
   * Lock lock3 = factory.newReentrantLock(MyLockOrder.THIRD);

		This    string `json:"this"`    // This field carries assigned disk uuid.
		// Sets field carries the input disk order generated the first
		// time when fresh disks were supplied, it is a two dimensional
		// array second dimension represents list of disks used per set.
		Sets [][]string `json:"sets"`
		// Distribution algorithm represents the hashing algorithm
		// to pick the right set index for an object.

          }
        }
      if (!acquired) continue

      // Confirm the connection is healthy and return it.
      if (connection.isHealthy(doExtensiveHealthChecks)) return connection

      // In the second synchronized block, release the unhealthy acquired connection. We're also on
      // the hook to close this connection if it's no longer in use.
      val noNewExchangesEvent: Boolean
      val toClose: Socket? =

     * be retrieved with the Node Status request.
     * 
     * The degree of state that an NbtAddress has is dependant on how it was
     * created and what is required of it. The second degree of state is the
     * most common. This is the state information that would be retrieved from
     * WINS for example. Natrually it is not practical for every NbtAddress

	globalBootTime = UTCNow()

	globalEndpoints = mustGetPoolEndpoints(0, erasureDirs...)

	initAllSubsystems(ctx)

	initConfigSubsystem(ctx, objLayer)

	globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)

	// Setup admin mgmt REST API handlers.
	adminRouter := mux.NewRouter()
	registerAdminRouter(adminRouter, true)

	return &adminErasureTestBed{
		erasureDirs: erasureDirs,
		objLayer:    objLayer,

		httpTimeoutCfgVal := getCfgVal(EnvAuditWebhookHTTPTimeout, k, kv.Get(httpTimeout))
		httpTimeout, err := time.ParseDuration(httpTimeoutCfgVal)
		if err != nil {
			return cfg, err
		}
		if httpTimeout < time.Second {
			return cfg, fmt.Errorf("minimum value allowed for http_timeout is '1s': %s", httpTimeout)
		}

		cfg.AuditWebhook[k] = http.Config{
			HTTPTimeout: httpTimeout,
			Enabled:     true,
			Endpoint:    url,

  }

  /**
   * Returns an unmodifiable view of the difference of two multisets. In the returned multiset, the
   * count of each element is the result of the <i>zero-truncated subtraction</i> of its count in
   * the second multiset from its count in the first multiset, with elements that would have a count
   * of 0 not included. The iteration order of the returned multiset matches that of the element set

   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Integer#compare} method instead.
   *
   * @param a the first {@code int} to compare
   * @param b the second {@code int} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */

  }

  /**
   * Returns an unmodifiable view of the difference of two multisets. In the returned multiset, the
   * count of each element is the result of the <i>zero-truncated subtraction</i> of its count in
   * the second multiset from its count in the first multiset, with elements that would have a count
   * of 0 not included. The iteration order of the returned multiset matches that of the element set