func NewLRWMutex() *LRWMutex {
	return &LRWMutex{}
}

// Lock holds a write lock on lm.
//
// If the lock is already in use, the calling go routine
// blocks until the mutex is available.
func (lm *LRWMutex) Lock() {
	const isWriteLock = true
	lm.lockLoop(context.Background(), lm.id, lm.source, math.MaxInt64, isWriteLock)
}

// GetLock tries to get a write lock on lm before the timeout occurs.

        // Should return true when write caching is enabled
        assertTrue(DirectoryLeaseState.canCacheModifications(Smb2LeaseState.SMB2_LEASE_WRITE_CACHING));
        assertTrue(DirectoryLeaseState.canCacheModifications(Smb2LeaseState.SMB2_LEASE_READ_WRITE));
        assertTrue(DirectoryLeaseState.canCacheModifications(DirectoryLeaseState.DIRECTORY_FULL));

        // Should return false when write caching is not enabled

        SMBUtil.writeInt4(STRUCTURE_SIZE, dst, dstIndex); // DataLength
        dstIndex += 4;

        // Write context name
        System.arraycopy(CONTEXT_NAME_BYTES, 0, dst, dstIndex, 4);
        dstIndex += 4;

        // Padding to align data to 8-byte boundary
        dstIndex += 4;

        // Write file ID (16 bytes)
        System.arraycopy(fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

   * However, we can't usually write {@code throw t;} when {@code t} has a static type of {@link
   * Throwable}. But we <i>can</i> write {@code sneakyThrow(t);}.
   *
   * <p>We sometimes also use {@code sneakyThrow} for testing how our code responds to
   * sneaky checked exception.
   *
   * @return never; this method declares a return type of {@link Error} only so that callers can

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma;

/**
 * Constants for RDMA capabilities and default configuration values.

## Type annotation vs `Depends` { #type-annotation-vs-depends }

Notice how we write `CommonQueryParams` twice in the above code:

//// tab | Python 3.9+

```Python
commons: Annotated[CommonQueryParams, Depends(CommonQueryParams)]
```

////

//// tab | Python 3.9+ non-Annotated

        }

        @Override
        public void write(final byte[] b) throws IOException {
            this.stream.write(b);
            this.collector.write(b);
        }

        @Override
        public void write(final byte[] b, final int off, final int len) throws IOException {
            this.stream.write(b, off, len);
            this.collector.write(b, off, len);
        }

        @Override

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] buffer = new byte[256];
        int written = trans2SetFileInfo.writeSetupWireFormat(buffer, 0);

        // Should write 2 bytes: subcommand and 0x00
        assertEquals(2, written);
        assertEquals(SmbComTransaction.TRANS2_SET_FILE_INFORMATION, buffer[0]);
        assertEquals(0x00, buffer[1]);
    }

    @Test

	buf := bytes.Buffer{}
	buf.Write([]byte{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'})
	os.Stdout.Write(buf.Bytes())
	// Output: hello world
}

func ExampleBuffer_AvailableBuffer() {
	var buf bytes.Buffer
	for i := 0; i < 4; i++ {
		b := buf.AvailableBuffer()
		b = strconv.AppendInt(b, int64(i), 10)
		b = append(b, ' ')
		buf.Write(b)
	}
	os.Stdout.Write(buf.Bytes())
	// Output: 0 1 2 3
}

     */
    int FILE_NOTIFY_CHANGE_SIZE = 0x00000008;

    /**
     * Any change to the last write-time of files in the watched directory or subtree causes a change notification wait
     * operation to return. The operating system detects a change to the last write-time only when the file is written
     * to the disk. For operating systems that use extensive caching, detection occurs only when the cache is