DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions, opts DeleteOptions) []error
	WriteMetadata(ctx context.Context, origvolume, volume, path string, fi FileInfo) error
	UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) error
	ReadVersion(ctx context.Context, origvolume, volume, path, versionID string, opts ReadOptions) (FileInfo, error)

	if jobID == "" {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, errInvalidArgument), r.URL)
		return
	}

	req := &BatchJobRequest{}
	if err := req.load(ctx, objectAPI, pathJoin(batchJobPrefix, jobID)); err != nil {
		if !errors.Is(err, errNoSuchJob) {
			batchLogIf(ctx, err)
		}

		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	_, err := objAPI.GetBucketInfo(ctx, bucketName, BucketOptions{})
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	config, err := globalBucketMetadataSys.GetNotificationConfig(bucketName)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

func (c *kesClient) Metrics(ctx context.Context) (kes.Metric, error) {
	c.lock.RLock()
	defer c.lock.RUnlock()

	return c.client.Metrics(ctx)
}

// Version retrieves version information
func (c *kesClient) Version(ctx context.Context) (string, error) {
	c.lock.RLock()
	defer c.lock.RUnlock()

	return c.client.Version(ctx)
}

// APIs retrieves a list of supported API endpoints

  return ops::Exp(ctx, inputs[0], &outputs[0], "Exp");
}

Status SqrtModel(AbstractContext* ctx,
                 absl::Span<AbstractTensorHandle* const> inputs,
                 absl::Span<AbstractTensorHandle*> outputs) {
  return ops::Sqrt(ctx, inputs[0], &outputs[0], "Sqrt");
}

Status NegModel(AbstractContext* ctx,
                absl::Span<AbstractTensorHandle* const> inputs,

				return nil
			}
			if contextCanceled(ctx) {
				return ctx.Err()
			}
			pop := dirStack[len(dirStack)-1]
			select {
			case <-ctx.Done():
				return ctx.Err()
			case out <- metaCacheEntry{name: pop}:
			}
			if opts.Recursive {
				// Scan folder we found. Should be in correct sort order where we are.
				internalLogIf(ctx, scanDir(pop))
			}
			dirStack = dirStack[:len(dirStack)-1]

		if errors.Is(err, driver.ErrBadConn) {
			db.Mux.Lock()
			defer db.Mux.Unlock()

			go stmt.Close()
			delete(db.Stmts, query)
		}
	}
	return rows, err
}

func (db *PreparedStmtDB) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
	stmt, err := db.prepare(ctx, db.ConnPool, false, query)
	if err == nil {
		return stmt.QueryRowContext(ctx, args...)
	}

	// Storage operations.
	Shutdown(context.Context) error
	NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, scanMode madmin.HealScanMode) error
	BackendInfo() madmin.BackendInfo
	StorageInfo(ctx context.Context, metrics bool) StorageInfo
	LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo

	// Bucket operations.
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error

	}
	return buf, r.ObjInfo, nil
}

func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
	buf, _, err := readConfigWithMetadata(ctx, store, configFile, ObjectOptions{})
	return buf, err
}

type objectDeleter interface {
	DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error)
}

func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string) error {

  CheckRemoteMatMulExecutesOK(ctx, remote_device_name, local_device_name);

  TFE_ContextUpdateServerDef(ctx, 0, serialized.data(), serialized.size(),
                             status);
  EXPECT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
  CheckRemoteMatMulExecutesOK(ctx, remote_device_name, local_device_name);

  TFE_DeleteContext(ctx);
  TF_DeleteStatus(status);