return errors.New("username and password should be set in pairs")
	}

	return nil
}

// ElasticsearchTarget - Elasticsearch target.
type ElasticsearchTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       ElasticsearchArgs
	client     esClient
	store      store.Store[event.Event]
	loggerOnce logger.LogOnce
	quitCh     chan struct{}
}

// transition tasks
func (t *transitionState) UpdateWorkers(n int) {
	t.mu.Lock()
	defer t.mu.Unlock()
	if t.objAPI == nil { // Init hasn't been called yet.
		return
	}
	t.updateWorkers(n)
}

func (t *transitionState) updateWorkers(n int) {
	for t.numWorkers < n {
		go t.worker(t.objAPI)
		t.numWorkers++
	}

	for t.numWorkers > n {

	creds, err := auth.CreateCredentials("myuser", "mypassword")
	if err != nil {
		t.Fatalf("unable create credential, %s", err)
	}

	globalActiveCred = creds

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

	// List of test cases for validating http request authentication.
	testCases := []struct {
		req     *http.Request
		s3Error APIErrorCode
	}{

						time.Sleep(1 * time.Second)
						// Upon an error on watch channel
						// re-init the watch channel.
						goto outerLoop
					}
					if err := watchResp.Err(); err != nil {
						iamLogIf(ctx, err)
						// log and retry.
						time.Sleep(1 * time.Second)
						// Upon an error on watch channel
						// re-init the watch channel.
						goto outerLoop
					}
					for _, event := range watchResp.Events {

			return nil, decErr
		}
	default:
		return nil, fmt.Errorf("tierConfigInit: unknown version: %d", version)
	}

	return cfg, nil
}

// Init initializes tier configuration reading from objAPI
func (config *TierConfigMgr) Init(ctx context.Context, objAPI ObjectLayer) error {
	err := config.Reload(ctx, objAPI)
	if globalIsDistErasure {
		go config.refreshTierConfig(ctx, objAPI)
	}
	return err

				PutByteBuffer(payload)
				if err != nil {
					r := RemoteErr(err.Error())
					return &r
				}
			}

			var inT chan Req
			if h.InCapacity > 0 {
				// Don't add extra buffering
				inT = make(chan Req)
				go func() {
					defer xioutil.SafeClose(inT)
					for {
						select {
						case <-ctx.Done():
							return
						case v, ok := <-in:
							if !ok {
								return

	GetHost() string
	SetPools([]int)
	GetPools() []int
}

type localPeerS3Client struct {
	node  Node
	pools []int
}

func (l *localPeerS3Client) GetHost() string {
	return l.node.Host
}

func (l *localPeerS3Client) SetPools(p []int) {
	l.pools = make([]int, len(p))
	copy(l.pools, p)
}

func (l localPeerS3Client) GetPools() []int {
	return l.pools
}

		noLockOpts := ObjectOptions{NoLock: true}
		return z.rebalMeta.saveWithOpts(ctx, z.serverPools[0], noLockOpts)
	}

	return nil
}

func (z *erasureServerPools) findIndex(index int) int {
	for i := 0; i < len(z.rebalMeta.PoolStats); i++ {
		if i == index {
			return index
		}
	}
	return -1
}

// initRebalanceMeta initializes rebalance metadata for a new rebalance

}

// Msgsize returns the size of an empty JSON object.
func (j *JSON[T]) Msgsize() int {
	return j.p.emptySz
}

// NoPayload is a type that can be used for handlers that do not use a payload.
type NoPayload struct{}

// Msgsize returns 0.
func (p NoPayload) Msgsize() int {
	return 0
}

// UnmarshalMsg satisfies the interface, but is a no-op.

				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *MetricDescription) Msgsize() (s int) {