Code:           "XMinioAdminBucketRemoteAlreadyExists",
		Description:    "The remote target already exists",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBucketRemoteLabelInUse: {
		Code:           "XMinioAdminBucketRemoteLabelInUse",
		Description:    "The remote target with this label already exists",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBucketRemoteRemoveDisallowed: {

     */
    public void addAttachedArtifact(Artifact artifact) throws DuplicateArtifactAttachmentException {
        // if already there we remove it and add again
        int index = attachedArtifacts.indexOf(artifact);
        if (index >= 0) {
            LOGGER.warn("artifact '{}' already attached, replacing previous instance", artifact);
            attachedArtifacts.set(index, artifact);
        } else {

// returns, won't affect the copy of `func`/`grad` in `g`.
// If `func` or `grad` are already in `g`, TF_GraphCopyFunction has no
// effect on them, but can establish the function->gradient relationship
// between them if `func` does not already have a gradient. If `func` already
// has a gradient different from `grad`, an error is returned.
//
// `func` must not be null.

		if err != nil {
			return nil, err
		}
		ctx = lkctx.Context()

		// Release lock when the metadata is verified, and reader
		// is ready to be read.
		//
		// This is possible to be lock free because
		// - xl.meta for inlined objects has already read the data
		//   into memory, any mutation on xl.meta subsequently is
		//   inconsequential to the overall read operation.

// additionally support watching storage for changes.
type iamStorageWatcher interface {
	watch(ctx context.Context, keyPath string) <-chan iamWatchEvent
}

// Set default canned policies only if not already overridden by users.
func setDefaultCannedPolicies(policies map[string]PolicyDoc) {
	for _, v := range policy.DefaultPolicies {
		if _, ok := policies[v.Name]; !ok {
			policies[v.Name] = defaultPolicyDoc(v.Definition)

			if !minioSrc {
				// Check if metadata filter was requested and it is expected to have
				// all user metadata or just storageClass. If its only storageClass
				// List() already returns relevant information for filter to be applied.
				if isMetadata && !isStorageClassOnly {
					oi2, err := c.StatObject(ctx, r.Source.Bucket, obj.Key, minio.StatObjectOptions{})
					if err == nil {

		return
	}
	globalProfilerMu.Lock()
	defer globalProfilerMu.Unlock()
	if globalProfiler == nil {
		globalProfiler = make(map[string]minioProfiler, 10)
	}

	// Stop profiler of all types if already running
	for k, v := range globalProfiler {
		for _, p := range profiles {
			if p == k {
				v.Stop()
				delete(globalProfiler, k)
			}
		}
	}

	for _, profiler := range profiles {

		ForceCreate: forceCreate,
	}

	if globalDNSConfig != nil {
		sr, err := globalDNSConfig.Get(bucket)
		if err != nil {
			// ErrNotImplemented indicates a DNS backend that doesn't need to check if bucket already
			// exists elsewhere
			if err == dns.ErrNoEntriesFound || err == dns.ErrNotImplemented {
				// Proceed to creating a bucket.
				if err = objectAPI.MakeBucket(ctx, bucket, opts); err != nil {

		// we multiply by the number of sets in the pool.
		// This will compensate for differences in set sizes
		// when choosing destination pool.
		// Different set sizes are already compensated by less disks.
		available *= uint64(nSets[i])

		serverPools[i] = poolAvailableSpace{
			Index:      i,
			Available:  available,
			MaxUsedPct: maxUsedPct,
		}
	}
	return serverPools

// errUnsupportedDisk if there is no O_DIRECT support
func (s *xlStorage) checkODirectDiskSupport(fsType string) error {
	if !disk.ODirectPlatform {
		return errUnsupportedDisk
	}

	// We know XFS already supports O_DIRECT no need to check.
	if fsType == "XFS" {
		return nil
	}

	// For all other FS pay the price of not using our recommended filesystem.

	// Check if backend is writable and supports O_DIRECT