const (
	// this flag disables gzip compression of responses
	noGZFlag = 1 << iota

	// this flag enables tracing body and headers instead of just headers
	traceAllFlag

	// pass this flag to skip checking if object layer is available
	noObjLayerFlag
)

// Has checks if the given flag is enabled in `h`.
func (h hFlag) Has(flag hFlag) bool {
	// Use bitwise-AND and check if the result is non-zero.
	return h&flag != 0
}

var bucketMetadataOpIgnoredErrs = append(bucketOpIgnoredErrs, errVolumeNotFound)

// OfflineDisk represents an unavailable disk.
var OfflineDisk StorageAPI // zero value is nil

// erasureObjects - Implements ER object layer.
type erasureObjects struct {
	setDriveCount      int
	defaultParityCount int

	setIndex  int
	poolIndex int

	// getDisks returns list of storageAPIs.
	getDisks func() []StorageAPI

}

const metacacheMaxEntries = 5000

// initManager will start async saving the cache.
func (m *metacacheManager) initManager() {
	// Add a transient bucket.
	// Start saver when object layer is ready.
	go func() {
		objAPI := newObjectLayerFn()
		for objAPI == nil {
			time.Sleep(time.Second)
			objAPI = newObjectLayerFn()
		}

		t := time.NewTicker(time.Minute)
		defer t.Stop()

	if err := newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatalf("Initializing config.json failed")
	}

	// Register the API end points with Erasure/FS object layer.
	apiRouter := initTestAPIEndPoints(obj, []string{"PostPolicy"})

	credentials := globalActiveCred
	bucketName := minioMetaBucket
	objectName := "config/x"

	// This exploit needs browser to be enabled.

		bugLogIf(ctx, fmt.Errorf("metacache.delete: bucket (%s) or id (%s) empty", m.bucket, m.id))
		return
	}
	objAPI := newObjectLayerFn()
	if objAPI == nil {
		internalLogIf(ctx, errors.New("metacache.delete: no object layer"))
		return
	}
	ez, ok := objAPI.(deleteAllStorager)
	if !ok {
		bugLogIf(ctx, errors.New("metacache.delete: expected objAPI to be 'deleteAllStorager'"))
		return
	}

		HTTPStatusCode: http.StatusBadRequest,
	},
}

// toAPIErrorCode - Converts embedded errors. Convenience
// function written to handle all cases where we have known types of
// errors returned by underlying layers.
func toAPIErrorCode(ctx context.Context, err error) (apiErr APIErrorCode) {
	if err == nil {
		return ErrNone
	}

	// Errors that are generated by net.Conn and any context errors must be handled here.

		serviceURL:   serviceURL,
		Bucket:       conf.Bucket,
		Prefix:       strings.TrimSuffix(conf.Prefix, slashSeparator),
		StorageClass: conf.StorageClass,
	}, nil
}

// Convert azure errors to minio object layer errors.
func azureToObjectError(err error, params ...string) error {
	if err == nil {
		return nil
	}

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

)

func TestApplyNewerNoncurrentVersionsLimit(t *testing.T) {
	objAPI, disks, err := prepareErasure(context.Background(), 8)
	if err != nil {
		t.Fatalf("Failed to initialize object layer: %v", err)
	}
	defer removeRoots(disks)
	setObjectLayer(objAPI)
	globalBucketMetadataSys = NewBucketMetadataSys()
	globalBucketObjectLockSys = &BucketObjectLockSys{}
	globalBucketVersioningSys = &BucketVersioningSys{}

/**
 * Access to platform-specific features.
 *
 * ### Session Tickets
 *
 * Supported on Android 2.3+.
 * Supported on JDK 8+ via Conscrypt.
 *
 * ### ALPN (Application Layer Protocol Negotiation)
 *
 * Supported on Android 5.0+.
 *
 * Supported on OpenJDK 8 via the JettyALPN-boot library or Conscrypt.
 *
 * Supported on OpenJDK 9+ via SSLParameters and SSLSocket features.
 *

   * callback has returned. Synchronous calls become idle once [execute()][Call.execute] returns.
   * This means that if you are doing synchronous calls the network layer will not truly be idle
   * until every returned [Response] has been closed.
   */
  var idleCallback: Runnable? = null
    get() = this.withLock { field }
    set(value) {
      this.withLock { field = value }
    }