}
```

### 3.2 Directory Cache Scopes
```java
public enum DirectoryCacheScope {
    IMMEDIATE_CHILDREN,    // Only direct children
    RECURSIVE_TREE,        // Entire subtree (if supported)
    METADATA_ONLY,         // File attributes but not content
    FULL_ENUMERATION      // Complete directory listing
}
```

## 4. Data Structures

### 4.1 Directory Lease Context

    }

    /**
     * Performs MAC signing of the SMB.  This is done as follows.
     * The signature field of the SMB is overwritted with the sequence number;
     * The MD5 digest of the MAC signing key + the entire SMB is taken;
     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data The data.
     * @param offset The starting offset at which the SMB header begins.

            System.arraycopy(buffer, bufferIndex, this.txn_buf, this.bufDataStart + this.dataDisplacement, this.dataCount);
            bufferIndex += this.dataCount;
        }

        /*
         * Check to see if the entire transaction has been
         * read. If so call the read methods.
         */

        if (!this.parametersDone && this.parameterDisplacement + this.parameterCount == this.totalParameterCount) {

Isso vem a seguir....

        assertFalse(entry.hasChild("file2.txt")); // Should be removed to force refresh

        // Test DIRECTORY_RENAMED - should invalidate entire cache
        entry.updateChild("file3.txt", 3072L, 3000L, false, 0x20, 700L, 1000L);
        entry.markComplete();

        byte[] buffer = new byte[8192]; // Large buffer for long path
        int written = trans2QueryPathInfo.writeParametersWireFormat(buffer, 0);

        // Should write the entire path
        assertTrue(written > longPath.length());

        // Check information level is still correct
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0101, actualInfoLevel);

        // array.
        while (mid > -1 && this[mid] != '\n'.code.toByte()) {
          mid--
        }
        mid++

        // Now look for the ending '\n'.
        var end = 1
        while (this[mid + end] != '\n'.code.toByte()) {
          end++
        }
        val publicSuffixLength = mid + end - mid

{* ../../docs_src/background_tasks/tutorial002_an_py310.py hl[13,15,22,25] *}

En este ejemplo, los mensajes se escribirán en el archivo `log.txt` *después* de que se envíe el response.

Si hay un query en el request, se escribirá en el log en una tarea en segundo plano.

     *
     * @return the file name without the full path
     */
    public String getSimpleName() {
        return new File(path).getName();
    }

    /**
     * Updates the entire mapping file content from the provided input stream.
     *
     * @param in the input stream containing the new mapping file content
     * @throws IOException if an I/O error occurs during the update
     */

	// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest
	// of the servers to be online.
	if unformattedDisks && firstDisk {
		return nil, errFirstDiskWait
	}