// NewMultipartUploadHandler - New multipart upload.
// Notice: The S3 client can send secret keys in headers for encryption related jobs,
// the handler should ensure to remove these keys before sending them to the object layer.
// Currently these keys are:
//   - X-Amz-Server-Side-Encryption-Customer-Key
//   - X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key

func IsErr(err error, errs ...error) bool {
	for _, exactErr := range errs {
		if errors.Is(err, exactErr) {
			return true
		}
	}
	return false
}

// ErrorRespToObjectError converts MinIO errors to minio object layer errors.
func ErrorRespToObjectError(err error, params ...string) error {
	if err == nil {
		return nil
	}

	bucket := ""
	object := ""
	versionID := ""
	if len(params) >= 1 {
		bucket = params[0]

		// is from replication
		if opts.CheckDMReplicationReady {
			topts := opts
			topts.VersionID = ""
			goi, gerr := getObjectInfo(ctx, bucket, object, topts)
			if gerr == nil || goi.VersionID != "" { // object layer returned more info because object is deleted
				w.Header().Set(xhttp.MinIOTargetReplicationReady, "true")
			}
		}

		writeErrorResponseHeadersOnly(w, toAPIError(ctx, err))
		return
	}

// applyActions will apply lifecycle checks on to a scanned item.
// The resulting size on disk will always be returned.
// The metadata will be compared to consensus on the object layer before any changes are applied.
// If no metadata is supplied, -1 is returned if no action is taken.

		c.iamSTSAccountsMap[key] = u
	} else {
		c.iamUsersMap[key] = u
	}
	c.updatedAt = time.Now()
	return nil
}

// IAMStorageAPI defines an interface for the IAM persistence layer
type IAMStorageAPI interface {
	// The role of the read-write lock is to prevent go routines from
	// concurrently reading and writing the IAM storage. The (r)lock()

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		}
	}

	if pools, ok := objAPI.(*erasureServerPools); ok {
		pools.StopRebalance()
	}
}

// LoadRebalanceMeta notifies all peers to load rebalance.bin from object layer.
// Note: Only peers participating in rebalance operation, namely the first node
// in each pool will load rebalance.bin.
func (sys *NotificationSys) LoadRebalanceMeta(ctx context.Context, startRebalance bool) {

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		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSiteReplicationBackendIssue: {
		Code:           "XMinioSiteReplicationBackendIssue",
		Description:    "Error when requesting object layer backend",
		HTTPStatusCode: http.StatusServiceUnavailable,
	},
	ErrSiteReplicationServiceAccountError: {
		Code:           "XMinioSiteReplicationServiceAccountError",

	OpenIDConfig openid.Config // only valid if OpenID is configured
	STSTLSConfig xtls.Config   // only valid if STS TLS is configured

	usersSysType UsersSysType

	rolesMap map[arn.ARN]string

	// Persistence layer for IAM subsystem
	store *IAMStoreSys

	// configLoaded will be closed and remain so after first load.
	configLoaded chan struct{}
}

// IAMUserType represents a user type inside MinIO server