* @param sessionKey
     * @param label
     * @param context
     */
    private static byte[] derive(final byte[] sessionKey, final byte[] label, final byte[] context) {
        final KDFCounterBytesGenerator gen = new KDFCounterBytesGenerator(new HMac(new SHA256Digest()));

        final int r = 32;
        final byte[] suffix = new byte[label.length + context.length + 5];
        // per bouncycastle

     *
     * @param queryContext the query context containing the query string
     * @param context a consumer for additional query context customization
     * @throws InvalidQueryException if the query string cannot be parsed
     */
    public void buildBaseQuery(final QueryContext queryContext, final Consumer<QueryContext> context) {
        try {

    private final CIFSContext context;
    private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();

    private volatile boolean shutdown = false;

    /**
     * Create a new persistent handle manager
     * @param context the CIFS context
     */
    public PersistentHandleManager(CIFSContext context) {
        this.context = context;
        this.handles = new ConcurrentHashMap<>();

### Async Context Manager { #async-context-manager }

Si revisas, la función está decorada con un `@asynccontextmanager`.

Eso convierte a la función en algo llamado un "**async context manager**".

{* ../../docs_src/events/tutorial003_py39.py hl[1,13] *}

	"github.com/minio/minio/internal/config/identity/openid"
	"github.com/minio/mux"
	"github.com/minio/pkg/v3/ldap"
	"github.com/minio/pkg/v3/policy"
)

func addOrUpdateIDPHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, isUpdate bool) {
	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)
	if objectAPI == nil {
		return
	}

        // Then
        assertTrue(bytesWritten > 36);

        // Verify negotiate context count
        assertEquals(2, SMBUtil.readInt2(buffer, 32));

        // Verify negotiate context offset is set
        int contextOffset = SMBUtil.readInt4(buffer, 28);
        assertTrue(contextOffset > 0);

        // Skip detailed context verification since we can't access headerStart
        // Just verify that contexts were written

	cachesRoot map[string][]string `msg:"-"`

	// Internal state
	mu      sync.RWMutex `msg:"-"`
	updated bool         `msg:"-"`
}

type deleteAllStorager interface {
	deleteAll(ctx context.Context, bucket, prefix string)
}

// newBucketMetacache creates a new bucketMetacache.
// Optionally remove all existing caches.
func newBucketMetacache(bucket string, cleanup bool) *bucketMetacache {
	if cleanup {

import jcifs.Encodable;

/**
 * SMB2 Negotiate Context request data structure.
 *
 * This class represents negotiate contexts used in SMB 3.1.1
 * for capability negotiation and security enhancements.
 *
 * @author mbechler
 */
public interface NegotiateContextRequest extends Encodable {

    /**
     * Gets the negotiate context type.
     *
     * @return the SMB2 negotiate context type
     */
    int getContextType();

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"context"
	crand "crypto/rand"
	"io"
	"math/rand"
	"testing"

	"github.com/dustin/go-humanize"
)

func (a badDisk) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
	return 0, errFaultyDisk
}

		user2 = *GetUser("transaction-nested-2", Config{})
	)

	if err := transaction(context.Background(), DB, func(ctx context.Context, tx *gorm.DB) error {
		tx.Create(&user)

		if err := tx.First(&User{}, "name = ?", user.Name).Error; err != nil {
			t.Fatalf("Should find saved record")
		}

		if err := transaction(ctx, tx, func(ctx context.Context, tx1 *gorm.DB) error {
			tx1.Create(&user1)