func readBucketMetadata(ctx context.Context, api ObjectLayer, name string) (BucketMetadata, error) {
	if name == "" {
		internalLogIf(ctx, errors.New("bucket name cannot be empty"), logger.WarningKind)
		return BucketMetadata{}, errInvalidArgument
	}
	b := newBucketMetadata(name)
	configFile := path.Join(bucketMetaPrefix, name, bucketMetadataFile)
	data, err := readConfig(ctx, api, configFile)
	if err != nil {

		return mode, retainDate, legalHold, ErrNone
	}

	opts, err := getOpts(ctx, rq, bucket, object)
	if err != nil {
		return mode, retainDate, legalHold, toAPIErrorCode(ctx, err)
	}

	replica := rq.Header.Get(xhttp.AmzBucketReplicationStatus) == replication.Replica.String()

	if opts.VersionID != "" && !replica {
		if objInfo, err := getObjectInfoFn(ctx, bucket, object, opts); err == nil {

// for multiple KMS/KES servers.
func (k *KMS) Version(ctx context.Context) (string, error) {
	return k.conn.Version(ctx)
}

// APIs returns a list of KMS server APIs.
//
// TODO(aead): remove this API since it's hardly useful.
func (k *KMS) APIs(ctx context.Context) ([]madmin.KMSAPI, error) {
	return k.conn.APIs(ctx)
}

// Metrics returns a current snapshot of the KMS metrics.

    private static final Random RAND = new Random();

    protected SmbTreeConnection(final CIFSContext ctx) {
        this.ctx = ctx;
        this.delegate = null;
    }

    protected SmbTreeConnection(final SmbTreeConnection treeConnection) {
        this.ctx = treeConnection.ctx;
        this.delegate = treeConnection;
    }

    static SmbTreeConnection create(final CIFSContext c) {

)

type kesConn struct {
	defaultKeyID string
	client       *kes.Client
}

func (c *kesConn) Version(ctx context.Context) (string, error) {
	return c.client.Version(ctx)
}

func (c *kesConn) APIs(ctx context.Context) ([]madmin.KMSAPI, error) {
	APIs, err := c.client.APIs(ctx)
	if err != nil {
		if errors.Is(err, kes.ErrNotAllowed) {
			return nil, ErrPermission
		}
		return nil, Error{

	if write {
		err = reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
	} else {
		err = reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum)
	}
	if err != nil {
		return fi, nil, err
	}

	// Pick one from the first valid metadata.
	fi, err = pickValidFileInfo(ctx, partsMetadata, modTime, etag, quorum)
	return fi, partsMetadata, err
}

}

func errToEntry(ctx context.Context, subsystem string, err error, errKind ...any) log.Entry {
	var l string
	if anonFlag {
		l = reflect.TypeOf(err).String()
	} else {
		l = fmt.Sprintf("%v (%T)", err, err)
	}
	return buildLogEntry(ctx, subsystem, l, getTrace(3), errKind...)
}

func logToEntry(ctx context.Context, subsystem, message string, errKind ...any) log.Entry {

func (dm *DRWMutex) lockBlocking(ctx context.Context, lockLossCallback func(), id, source string, isReadLock bool, opts Options) (locked bool) {
	restClnts, _ := dm.clnt.GetLockers()

	// Create lock array to capture the successful lockers
	locks := make([]string, len(restClnts))

	// Add total timeout
	ctx, cancel := context.WithTimeout(ctx, opts.Timeout)
	defer cancel()

//	x-amz-copy-source-if-unmodified-since
//	x-amz-copy-source-if-match
//	x-amz-copy-source-if-none-match
func checkCopyObjectPartPreconditions(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo) bool {
	return checkCopyObjectPreconditions(ctx, w, r, objInfo)
}

// Validates the preconditions for CopyObject, returns true if CopyObject operation should not proceed.
// Preconditions supported are:
//

	}
	return d
}

type writerWrapper struct {
	ch  chan<- []byte
	ctx context.Context
}

func (w *writerWrapper) Write(p []byte) (n int, err error) {
	buf := GetByteBufferCap(len(p))
	buf = buf[:len(p)]
	copy(buf, p)
	select {
	case w.ch <- buf:
		return len(p), nil
	case <-w.ctx.Done():
		return 0, context.Cause(w.ctx)
	}
}