var err error
	var conn *amqp091.Connection
	var ch *amqp091.Channel

	isAMQPClosedErr := func(err error) bool {
		if err == amqp091.ErrClosed {
			return true
		}

		if nerr, ok := err.(*net.OpError); ok {
			return (nerr.Err.Error() == "use of closed network connection")
		}

		return false
	}

	target.connMutex.Lock()

			Type:        "on|off",
		},
		config.HelpKV{
			Key:         ServerInsecure,
			Description: `allow plain text connection to AD/LDAP server` + defaultHelpPostfix(ServerInsecure),
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         ServerStartTLS,
			Description: `use StartTLS connection to AD/LDAP server` + defaultHelpPostfix(ServerStartTLS),
			Optional:    true,
			Type:        "on|off",
		},

// be replayed when the mqtt connection is active.
func (target *MQTTTarget) Save(eventData event.Event) error {
	if target.store != nil {
		return target.store.Put(eventData)
	}
	if err := target.init(); err != nil {
		return err
	}

	// Do not send if the connection is not active.
	_, err := target.isActive()
	if err != nil {
		return err
	}

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInsecureConnection: {
		Code:           "InsecureConnection",
		Description:    "The request was made over a plain HTTP connection. A TLS connection is required.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInvalidClientCertificate: {
		Code:           "InvalidClientCertificate",

	case strings.Contains(err.Error(), http.ErrServerClosed.Error()):
		return true
	// Corner case, the server closed the connection with a keep-alive timeout
	// some requests are not retried internally, such as POST request with written body
	case strings.Contains(err.Error(), "server closed idle connection"):
		return true
	}

	return false
}

// Converts network error to storageErr. This function is

	if err != nil {
		t.Fatal(err)
	}

	lkClient := newlockRESTClient(endpoint)
	if lkClient.IsOnline() {
		t.Fatalf("unexpected result. connection was online")
	}

	// Attempt all calls.
	_, err = lkClient.RLock(context.Background(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Rlock to fail")
	}

				ReloadCertEvents: reloadCertEvents,
				RootCAs:          rootCAs,
			}
		}

		KMS, err := kms.NewWithConfig(kmsConf, KMSLogger{})
		if err != nil {
			logger.Fatal(err, "Unable to initialize a connection to KES as specified by the shell environment")
		}
		// Try to generate a data encryption key. Only try to create key if this fails.
		// This implicitly checks that we can communicate to KES.

		}, index)
	}

	// Wait for the routines to finish.
	return reduceWriteQuorumErrs(ctx, g.Wait(), nil, len(storageDisks))
}

// relinquishes the underlying connection for all storage disks.
func closeStorageDisks(storageDisks ...StorageAPI) {
	var wg sync.WaitGroup
	for _, disk := range storageDisks {
		if disk == nil {
			continue
		}
		wg.Add(1)

		xhttp.DrainBody(respBody)
		return !isNetworkError(err)
	}
	var gridConn atomic.Pointer[grid.Connection]

	return &peerRESTClient{
		host: peer, restClient: restClient, gridHost: gridHost,
		gridConn: func() *grid.Connection {
			// Lazy initialization of grid connection.
			// When we create this peer client, the grid connection is likely not yet initialized.
			if gridHost == "" {

				if !isErrVersionNotFound(err) && !isErrObjectNotFound(err) && !xnet.IsNetworkOrHostDown(err, false) {
					if !strings.Contains(err.Error(), "use of closed network connection") {
						transitionLogIf(t.ctx, fmt.Errorf("Transition to %s failed for %s/%s version:%s with %w",
							task.event.StorageClass, task.objInfo.Bucket, task.objInfo.Name, task.objInfo.VersionID, err))
					}
				}