pkg syscall, type Conn interface, SyscallConn() (RawConn, error)
pkg syscall, type RawConn interface { Control, Read, Write }
pkg syscall, type RawConn interface, Control(func(uintptr)) error
pkg syscall, type RawConn interface, Read(func(uintptr) bool) error
pkg syscall, type RawConn interface, Write(func(uintptr) bool) error
pkg testing, method (*B) Helper()
pkg testing, method (*T) Helper()
pkg testing, type TB interface, Helper()

But if you want to use `async` / `await` without FastAPI, you can do it as well.

### Write your own async code { #write-your-own-async-code }

 * 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.create;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

 * 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.smb1.smb1;

import java.io.IOException;

/**

 * 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.disni;

import java.io.IOException;
import java.net.InetSocketAddress;

///

## Writing templates { #writing-templates }

Then you can write a template at `templates/item.html` with, for example:

```jinja hl_lines="7"
{!../../docs_src/templates/templates/item.html!}
```

### Template Context Values { #template-context-values }

 * 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.smb1.smb1;

class Trans2GetDfsReferralResponse extends SmbComTransactionResponse {

    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    file.createNewFile();
    
    // Write some data
    try (OutputStream os = file.getOutputStream()) {
        os.write("test data".getBytes());
    }
    
    // Simulate network disconnection
    file.getTree().getSession().getTransport().disconnect();
    

 * 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;

import jcifs.Encodable;
import jcifs.internal.util.SMBUtil;

/**

        assertEquals(e1.getOptions(), e2.getOptions(), "Options content should be equivalent across calls");
    }

    @Test
    @DisplayName("Options map is not mutated by configuration (verify no writes)")
    void optionsMap_notMutated_verifyNoWrites() {
        // Arrange: create a regular map first, then spy on it
        Map<String, Object> originalMap = new HashMap<>();